LOCALIZING PARTICLES SHOWERING IN A SPAGHETTI CALORIMETER

被引：37

作者：

ACOSTA, D

BUONTEMPO, S

CALOBA, L

CARIA, M

DESALVO, R

EREDITATO, A

FERRARI, R

FUMAGALLI, G

GOGGI, G

HAO, W

HARTJES, FG

HENRIQUES, A

LINSSEN, L

LIVAN, M

MAIO, A

MAPELLI, L

MONDARDINI, MR

ONG, B

PAAR, HP

PASTORE, F

PEREIRA, M

POGGIOLI, L

RICCARDI, F

SCHEEL, CV

SCHMITZ, J

SEIXAS, JM

SIMON, A

SIVERTZ, M

SONDEREGGER, P

SOUZA, MN

THOME, ZD

VERCESI, V

WANG, Y

WIGMANS, R

XU, C

机构：

[1] NAPLES UNIV,I-80138 NAPLES,ITALY

[2] IST NAZL FIS NUCL,NAPLES,ITALY

[3] UNIV FED RIO DE JANEIRO,COPPE,EE,RIO DE JANEIRO,BRAZIL

[4] UNIV CAGLIARI,I-09100 CAGLIARI,ITALY

[5] IST NAZL FIS NUCL,CAGLIARI,ITALY

[6] CERN,LAA PROJECT,CH-1211 GENEVA 23,SWITZERLAND

[7] CERN,WORLDLAB FELLOWSHIP,CH-1211 GENEVA 23,SWITZERLAND

[8] UNIV PAVIA,I-27100 PAVIA,ITALY

[9] IST NAZL FIS NUCL,PAVIA,ITALY

[10] NIKHEF H,AMSTERDAM,NETHERLANDS

[11] UNIV PARIS 06,LPNHE,F-75230 PARIS 05,FRANCE

[12] UNIV PARIS 07,F-75221 PARIS 05,FRANCE

[13] UNIV HEIDELBERG,W-6900 HEIDELBERG,GERMANY

[14] LAB INSTRUMENTAL & FIS EXPTL PARTICULAS,LISBON,PORTUGAL

[15] CORNELL UNIV,ITHACA,NY 14853

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 305卷 / 01期

关键词：

D O I：

10.1016/0168-9002(91)90519-V

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report on the performance of a fine-grained 13-ton compensating lead/scintillating-fiber calorimeter, and in particular on its capability of localizing the particles that produce showers in it. The RMS position resolution was found to be 1.7 mm for electromagnetic showers and 5.1 nun for hadronic showers at 80 GeV, averaged over a tower with an effective radius of 39 mm. Pion-pion separation through analysis of the energy deposit pattern was achieved in more than 95% of the cases for distances down to 8 cm at 80 GeV. Because of the good lateral position resolution, detailed information on the longitudinal shower development could be obtained, with the help of tracking information, when single particles entered the (longitudinally unsegmented) detector at a small angle with respect to the fiber axis. This information made it possible to eliminate the effects of light attenuation in the fibers on the hadronic energy resolution and allowed e/pi-separation at the 10(-4) level.

引用

页码：55 / 70

页数：16

共 10 条

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ACOSTA, D
BUONTEMPO, S
CALOBA, L
CARIA, M
DESALVO, R
EREDITATO, A
FERRARI, R
FRATERNALI, M
FUMAGALLI, G
GOGGI, VG
HARTJES, FG
HAO, W
HENKES, TH
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LINSSEN, L
LIVAN, M
MAIO, A
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MONDARDINI, RM
ONG, B
PAAR, HP
PASTORE, F
PEREIRA, M
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SCHEEL, CV
SEIXAS, JM
SIMON, A
SIVERTZ, M
SONDEREGGER, P
SOUZA, MN
THOME, ZD
VERCESI, V
WANG, Y
WIGMANS, R
XU, C
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