HCAL: Difference between revisions
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'''Hadronic calorimeter'''. | '''Hadronic calorimeter (HCAL)''', is a calorimeter designed to measure particles that interact via the strong nuclear force. | ||
The HCAL measures the energy of “hadrons”, particles made of quarks and gluons (for example protons, neutrons, pions and kaons). Additionally it provides indirect measurement of the presence of non-interacting, uncharged particles such as neutrinos. | |||
The HCAL is a sampling calorimeter meaning it finds a particle’s position, energy and arrival time using alternating layers of “absorber” and fluorescent “scintillator” materials that produce a rapid light pulse when the particle passes through. Special optic fibres collect up this light and feed it into readout boxes where photodetectors amplify the signal. When the amount of light in a given region is summed up over many layers of tiles in depth, called a “tower”, this total amount of light is a measure of a particle’s energy.<ref>[https://cms.cern/detector/measuring-energy/energy-hadrons-hcal Energy of hadrons (HCAL), The CMS Experiment at CERN.]</ref> | |||
For more information, see [[wikipedia:Calorimeter_(particle_physics)#Hadronic_calorimeter|Wikipedia]]. | For more information, see [[wikipedia:Calorimeter_(particle_physics)#Hadronic_calorimeter|Wikipedia]]. | ||
==References== | |||
{{reflist}} | |||
[[Category:Abbreviations]] | [[Category:Abbreviations]] | ||
[[Category:Pages linking to Wikipedia]] | [[Category:Pages linking to Wikipedia]] | ||
Latest revision as of 03:29, 30 January 2026
Hadronic calorimeter (HCAL), is a calorimeter designed to measure particles that interact via the strong nuclear force.
The HCAL measures the energy of “hadrons”, particles made of quarks and gluons (for example protons, neutrons, pions and kaons). Additionally it provides indirect measurement of the presence of non-interacting, uncharged particles such as neutrinos.
The HCAL is a sampling calorimeter meaning it finds a particle’s position, energy and arrival time using alternating layers of “absorber” and fluorescent “scintillator” materials that produce a rapid light pulse when the particle passes through. Special optic fibres collect up this light and feed it into readout boxes where photodetectors amplify the signal. When the amount of light in a given region is summed up over many layers of tiles in depth, called a “tower”, this total amount of light is a measure of a particle’s energy.[1]
For more information, see Wikipedia.