Scintillating LXe/LKr electromagnetic calorimeter

Scintillating LXe/LKr electromagnetic calorimeter

A scintillating LXe/LKr electromagnetic calorimeter has been built at the ITEP and tested at the BATES (MIT) accelerator. The detector consists of a PMT matrix and 45 light collecting cells made of aluminized Mylar partially covered with p-terphenyl as a wavelength-shifter (WLS). Each pyramidal cell...

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Veröffentlicht in:IEEE Transactions on Nuclear Science 1995-12, Vol.42 (6), p.2244-2249
Hauptverfasser: Akimov, D.Yu, Bolozdynya, A.J., Churakov, D.L., Afonasyev, V.N., Belogurov, S.G., Brastilov, A.D., Burenkov, A.A., Gusev, L.N., Kuzichev, V.F., Lebedenko, V.N., Osipova, T.A., Rogovsky, I.A., Safronov, A., Simonychev, A., Solovov, V.N., Sopov, V.S., Smirnov, G.N., Tchernyshev, V.P., Chen, M., Smolin, M.M., Turchinetz, W., Minakova, R.A., Shershukov, V.M., Dodohov, V.H.
Format: Artikel
Sprache:eng
Schlagworte:
DESIGN
Electromagnetic radiation
Electron beams
ENERGY RESOLUTION
INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS
KRYPTON
LIQUID SCINTILLATION DETECTORS
MIT BATES LINAC
Nitrogen
Optical attenuators
PARTICLE ACCELERATORS
PERFORMANCE TESTING
PHOTOMULTIPLIERS
PLASTICS
Radiation detectors
SHOWER COUNTERS
Strips
Temperature measurement
Testing
XENON
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Zusammenfassung:A scintillating LXe/LKr electromagnetic calorimeter has been built at the ITEP and tested at the BATES (MIT) accelerator. The detector consists of a PMT matrix and 45 light collecting cells made of aluminized Mylar partially covered with p-terphenyl as a wavelength-shifter (WLS). Each pyramidal cell has (2.1/spl times/2.1)/spl times/40/spl times/(4.15/spl times/4.15) cm dimensions and is viewed by an FEU-85 glass-window photomultiplier. The detector has been exposed to the 106-348 MeV electron beam. The energy resolution is /spl sigma//sub E//E/spl sime/5%//spl radic/E at the 100-350 MeV range in LXe; the coordinate resolution is /spl sigma/X/spl sime/0.7 cm; the time resolution is /spl sigma//sub /spl tau///spl sime/0.6 ns for a single cell. Possible ways to improve energy resolution are discussed.
ISSN:0018-9499
1558-1578
DOI:10.1109/23.489421