Electromagnetic Calorimeter
E24804
The Electromagnetic Calorimeter is a high-precision detector subsystem used in particle physics experiments to measure the energy and position of electrons and photons produced in high-energy collisions.
Aliases (1)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
calorimeter
→
electromagnetic shower detector → particle detector subsystem → |
| calibratedWith |
electron test beams
→
physics processes with known energies → |
| commonMaterial |
lead glass
→
lead tungstate (PbWO4) → liquid argon → plastic scintillator with high-Z absorber → scintillating crystals → |
| designedFor |
detection of electromagnetic showers
→
|
| detects |
electrons
→
photons → |
| locatedIn |
fixed-target particle physics experiments
→
large collider detectors → |
| measures |
energy of electrons
→
energy of photons → position of electrons → position of photons → |
| oftenPrecedes |
hadronic calorimeter
→
|
| partOf |
ALICE detector
→
ATLAS detector → BaBar detector → Belle II detector → Belle detector → CDF detector → CMS detector → COMPASS experiment → D0 detector → LHCb detector → NA62 experiment → |
| performanceMetric |
energy resolution parameterized as a stochastic term plus constant term
→
|
| placed |
outside inner tracking detectors
→
|
| provides |
energy resolution for electromagnetic particles
→
position resolution for electromagnetic particles → |
| readoutTechnology |
avalanche photodiodes
→
ionization readout in liquid argon → photomultiplier tubes → silicon photomultipliers → |
| roleInExperiment |
contribution to missing transverse energy measurement
→
precision measurement of electromagnetic final states → |
| technology |
homogeneous calorimeter
→
sampling calorimeter → |
| usedFor |
electron identification
→
measurement of neutral pions via two-photon decays → photon identification → triggering on high-energy electromagnetic objects → |
| usedIn |
particle physics experiments
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
A Large Ion Collider Experiment
→
ALICE → ALICE experiment → |
hasSubsystem |
|
Photon Spectrometer
("ALICE Electromagnetic Calorimeter")
→
|
relatedTo |