Test beam results for an endcap electromagnetic calorimeter for the SSC

被引:0
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作者
Abrams, GS
Ashmanskas, W
Bintinger, D
Ciocio, S
Hoff, M
Kadel, RW
Kadyk, J
Minamihara, Y
Lim, A
Long, M
Pope, W
Pripstein, M
Przybylski, G
Thur, W
Weber, T
Yarba, J
Hearty, C
Amadon, A
Bonamy, P
Bystricky, J
Ernwein, J
Glicenstein, JF
Hubbard, JR
LeDu, P
Reymond, JM
Rondeaux, F
Villet, G
Singh, V
Bhatti, A
Melese, P
Hauser, J
Lindgren, M
Muller, T
Cushman, P
Rusack, R
机构
[1] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,DIV PHYS,BERKELEY,CA 94720
[2] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510
[3] UNIV BRITISH COLUMBIA,VANCOUVER,BC V6T 1Z1,CANADA
[4] CEA SACLAY,DAPNIA,SPP,F-91191 GIF SUR YVETTE,FRANCE
[5] AT&T BELL LABS,HOLMDEL,NJ 07733
[6] ROCKEFELLER UNIV,NEW YORK,NY 10021
[7] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024
[8] UNIV MINNESOTA,DEPT PHYS,MINNEAPOLIS,MN 55455
关键词
D O I
10.1016/S0168-9002(97)00381-1
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We have tested a calorimeter test beam module intended to simulate the endcap electromagnetic calorimeter of the Solenoidal Detector Collaboration (SDC) experiment at the SSC. The test module is manufactured from scintillating tiles and is read out via 1 mm diameter wavelength shifting fibers with shower sampling at similar to 1 radiation length intervals. The results of test beam calibration show that the calorimeter is linear to within 1% and has a resolution of (19.5 +/- 0.1)%/root E + (0.47% +/- 0.05)% for energies up to 200 GeV. Test beam data show that non-uniform, longitudinal radiation damage to the calorimeter (up to similar to 50% light loss at shower maximum) can be corrected, and the original linearity of the calorimeter can be recovered with only a small degradation of resolution. A ''pre-shower detector'' improves the charged pi rejection by a factor of 2-3 at an electron detection efficiency greater than 97.5 +/- 0.3%.
引用
收藏
页码:41 / 62
页数:22
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