The test of the LKr calorimeter prototype at the tagged photon beam

被引:9
作者
Aulchenko, VM
Bondar, AE
Cantoni, P
Frabetti, PL
Ganzhur, SF
Kezerashvili, GY
Klimenko, SG
Lanni, F
Leontiev, LA
Maggi, B
Malyshev, VM
Maslennikov, AL
Manfredi, PF
Milov, AM
Muchnoi, NY
Onuchin, AP
Palombo, F
Panin, VS
Peleganchuk, SV
Pogorelov, YA
Pospelov, GE
Protopopov, IY
Re, V
Sala, A
Shamov, AG
Shatilov, DN
Simonov, EA
Speziali, V
Stagni, L
Tikhonov, YA
机构
[1] BUDKER INST NUCL PHYS,NOVOSIBIRSK 630090,RUSSIA
[2] UNIV MILAN,DIPARTIMENTO FIS,MILAN,ITALY
[3] IST NAZL FIS NUCL,I-20133 MILAN,ITALY
[4] UNIV BOLOGNA,DIPARTMENTO FIS,BOLOGNA,ITALY
[5] IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY
[6] UNIV PAVIA,DIPARTIMENTO ELETTRON,MILAN,ITALY
关键词
LKr calorimeter; energy and space resolutions;
D O I
10.1016/S0168-9002(97)00518-4
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The experiment with the prototype of liquid krypton electromagnetic calorimeter for the KEDR detector is described. The experiment was carried out at the VEPP-4M collider at the tagged photon beam. The tagged photons were obtained in the energy region 50-625 MeV using the ROKK-1M facility. The edges of the bremsstrahlung spectra were used for the energy resolution measurement in the high-energy region up to 4500 MeV. The energy resolution comparable with the resolution of the best crystal calorimeters and the excellent spatial resolution (similar to 1 mm) have been obtained. The results are in good agreement with the Monte-Carlo simulation.
引用
收藏
页码:35 / 45
页数:11
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