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	<id>https://wiki.cern.ch/index.php?action=history&amp;feed=atom&amp;title=2_m_Bubble_Chamber_%28CERN%29</id>
	<title>2 m Bubble Chamber (CERN) - Revision history</title>
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	<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;action=history"/>
	<updated>2026-04-03T22:48:43Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=9744&amp;oldid=prev</id>
		<title>Vigen at 10:27, 27 March 2026</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=9744&amp;oldid=prev"/>
		<updated>2026-03-27T10:27:59Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:27, 27 March 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Particle physics|&lt;/del&gt;high-energy physics&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/del&gt;. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors. The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study high-energy physics. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors. The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:CERN facilities]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:CERN facilities]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Bubble chambers operated at CERN]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Bubble chambers operated at CERN]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:FAPlist]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5941&amp;oldid=prev</id>
		<title>Vigen at 15:31, 14 January 2026</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5941&amp;oldid=prev"/>
		<updated>2026-01-14T15:31:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:31, 14 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Reflist}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Reflist}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Pages linking to Wikipedia]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:CERN facilities]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Bubble chambers operated at CERN]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5258&amp;oldid=prev</id>
		<title>Vigen at 21:48, 1 December 2025</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5258&amp;oldid=prev"/>
		<updated>2025-12-01T21:48:44Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:48, 1 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref name=Weiss88&amp;gt;{{cite report | author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; &lt;/del&gt;The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors. The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5257&amp;oldid=prev</id>
		<title>Vigen at 21:48, 1 December 2025</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5257&amp;oldid=prev"/>
		<updated>2025-12-01T21:48:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:48, 1 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&amp;lt;ref name=Weiss88&amp;gt;{{cite report |author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&amp;lt;ref name=Weiss88&amp;gt;{{cite report | author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5256&amp;oldid=prev</id>
		<title>Vigen at 21:45, 1 December 2025</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5256&amp;oldid=prev"/>
		<updated>2025-12-01T21:45:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:45, 1 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{ill|&lt;/del&gt;Charles Peyrou&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|de|Charles Peyrou}}&lt;/del&gt;.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&amp;lt;ref name=Weiss88&amp;gt;{{cite report |author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by Charles Peyrou.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=https://cds.cern.ch/record/232652?ln=en |location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&amp;lt;ref name=Weiss88&amp;gt;{{cite report |author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; The construction only began three years later and in 1964 the chamber was finally commissioned.&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern.ch/record/1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;   &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For more information, see [[wikipedia:2_m_Bubble_Chamber_(CERN)|Wikipedia]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5255&amp;oldid=prev</id>
		<title>Vigen at 21:44, 1 December 2025</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5255&amp;oldid=prev"/>
		<updated>2025-12-01T21:44:23Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:44, 1 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot;&gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Commons category}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Reflist}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Reflist}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
		<id>https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5254&amp;oldid=prev</id>
		<title>Vigen at 21:43, 1 December 2025</title>
		<link rel="alternate" type="text/html" href="https://wiki.cern.ch/index.php?title=2_m_Bubble_Chamber_(CERN)&amp;diff=5254&amp;oldid=prev"/>
		<updated>2025-12-01T21:43:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:43, 1 December 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;https://en.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wikipedia&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;org&lt;/del&gt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wiki&lt;/del&gt;/2_m_Bubble_Chamber_(CERN)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &#039;&#039;&#039;2m Bubble Chamber&#039;&#039;&#039; was a device used in conjunction with [[CERN]]&#039;s 25 GeV [[Proton Synchrotron]] (PS) machine to study [[Particle physics|high-energy physics]]. It was decided to build this chamber in 1958 with a large team of physicists, engineers, technicians and designers led by {{ill|Charles Peyrou|de|Charles Peyrou}}.&amp;lt;ref&amp;gt;{{cite book |last=Derrick |first=M. |date=1994 |title=Bubbles 40: Proceedings of the Conference on the Bubble Chamber and its Contributions to Particle Physics - Giant Chambers |url=&lt;/ins&gt;https://&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cds.cern.ch/record/232652?ln=&lt;/ins&gt;en &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|location=Geneva, Switzerland |publisher=North-Holland |page=197 }}&amp;lt;/ref&amp;gt; This project was of considerable magnitude, thus requiring a long-term plan so that all its characteristics could be carefully studied. Several models of this chamber were built and the problems encountered surpassed any of its predecessors.&amp;lt;ref name=Weiss88&amp;gt;{{cite report |author=Laura Weiss |date=November 1988 |title=Studies in CERN History: The construction of CERN&#039;s First Hydrogen Bubble Chambers |url=https://cds.cern.ch/record/194093/files/CERN-CH-26.pdf |publisher=CERN |pages=34–42 |quote=4 July 2016 }}&amp;lt;/ref&amp;gt; The construction only began three years later and in 1964 the chamber was finally commissioned&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref&amp;gt;{{cite journal |date=1965 |title=Track Chambers |url=https://cds.cern&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ch&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;record&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1479720?ln=en |journal=Annual Report |publisher=CERN |issue=1964 |pages=81 |access-date=4 July 2016}}&amp;lt;/ref&amp;gt; This chamber was devoted to the study of interaction mechanisms of high-energy particles and the investigation of the properties of their excited states.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;For more information, see [[wikipedia:&lt;/ins&gt;2_m_Bubble_Chamber_(CERN)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|Wikipedia]].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==References==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Commons category}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Reflist}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vigen</name></author>
	</entry>
	<entry>
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		<title>Vigen: Page created automatically by script</title>
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		<updated>2025-12-01T21:39:31Z</updated>

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&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt; https://en.wikipedia.org/wiki/2_m_Bubble_Chamber_(CERN)&lt;/div&gt;</summary>
		<author><name>Vigen</name></author>
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