TEST-RESULTS OF AN ELECTROMAGNETIC CALORIMETER WITH 0.5 MM SCINTILLATING FIBERS READOUT

被引：8

作者：

BADIER, J

BOUHEMAID, N

BUONTEMPO, S

BUSSON, P

CALOBA, L

CATTANEO, P

CHARLOT, C

CHEKHTMAN, A

COUSINOU, MC

DAGORET, S

DELLACQUA, A

EREDITATO, A

FERRARI, R

FOUCHEZ, D

FREDJ, L

FUMAGALLI, G

GAILLARD, JM

GOGGI, G

GOMES, A

HANSLKOZANECKA, T

HENRIQUES, A

KOVACS, F

LINSSEN, L

LIVAN, M

LORY, J

MAIO, A

MICHEL, B

MONTAROU, G

NACASCH, R

NAGY, E

PAAR, HP

PALLIN, D

PENNACCHIO, E

PERALTA, L

POGGIOLI, L

POLESELLO, G

RICCARDI, F

RIMOLDI, A

SEIXAS, JM

SIVERTZ, M

SOUZA, MN

THOME, ZD

TISSERANT, S

TOME, B

VAZEILLE, F

VERCESI, V

WIGMANS, R

ZITOUN, R

机构：

[1] UNIV CLERMONT FERRAND,LPPCF,CLERMONT FERRAND,FRANCE

[2] UNIV NAPOLI,NAPLES,ITALY

[3] INFN,SEZ NAPOLI,NAPLES,ITALY

[4] UFRJ,EE,COPPE,RIO JANEIRO,BRAZIL

[5] UNIV PAVIA,PAVIA,ITALY

[6] INFN,SEZ PAVIA,PAVIA,ITALY

[7] CPPM,MARSEILLE,FRANCE

[8] UNIV PARIS 06,LPNHE,PARIS,FRANCE

[9] UNIV PARIS 07,PARIS,FRANCE

[10] CERN,GENEVA,SWITZERLAND

[11] LIP,LISBON,PORTUGAL

[12] UNIV CALIF SAN DIEGO,SAN DIEGO,CA

[13] LAL,ORSAY,FRANCE

[14] CFNUL,LISBON,PORTUGAL

[15] TEXAS TECH UNIV,LUBBOCK,TX

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 337卷 / 2-3期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0168-9002(94)91099-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report on an experimental study of the performance of an electromagnetic calorimeter consisting of thin (0.5 mm diameter) scintillating plastic fibers embedded in lead. Because of the small sampling fraction (3.5% for minimum ionizing particles), this detector is quite compact, with an effective radiation length of 7.2 mm and a Moliere radius of 20 mm. Because of the very frequent shower sampling provided by the fibers, the energy resolution is nevertheless good: 9.2%/root E(GeV) for electromagnetic (e.m.) showers, with a small, angle dependent constant term. A non-uniformity in the response is observed at the 2% level across the calorimeter. In spite of the small sampling fraction the light yield is not a limiting factor in this calorimeter: we measured similar to 500 photoelectrons per GeV shower energy. The position resolution for electrons and two e.m. showers separation have been studied. The fibers sticking out of the back of the detector do not appear to affect the measurements of hadronic showers.

引用

页码：314 / 325

页数：12

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