THE E760 LEAD-GLASS CENTRAL CALORIMETER - DESIGN AND INITIAL TEST-RESULTS

被引：42

作者：

BARTOSZEK, L

BHARADWAJ, V

CHURCH, MD

HAHN, AA

PEOPLES, J

PORDES, SH

RAPIDIS, PA

WERKEMA, SJ

AGAHI, D

BROEMMELSIEK, DR

FAST, JE

GEE, M

GOLLWITZER, KE

MANDELKERN, MA

MARQUES, JL

SCHULTZ, J

WEBER, MF

GINSBURG, CM

MASUZAWA, M

RAY, RE

ROSEN, JL

TROKENHEIM, S

ZHAO, JL

ARMSTRONG, TA

HUFFORD, GE

LEWIS, RA

MAJEWSKA, AM

REID, JD

SMITH, GA

HASAN, MA

BIINO, C

PALESTINI, S

机构：

[1] UNIV CALIF IRVINE,DEPT PHYS,IRVINE,CA 92717

[2] NORTHWESTERN UNIV,DEPT PHYS,EVANSTON,IL 60201

[3] PENN STATE UNIV,DEPT PHYS,ELEMENTARY PARTICLE SCI LAB,UNIVERSITY PK,PA 16802

[4] PENN STATE UNIV,DEPT PHYS,YORK,PA 17403

[5] IST NAZL FIS NUCL,I-10125 TURIN,ITALY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 301卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0168-9002(91)90737-B

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The central calorimeter in Fermilab experiment E760++ has been designed to measure the topology and energies of electrons and photons in the decay of charmonium formed in ppBAR annihilation. The calorimeter is composed of 1280 lead-glass Cherenkov counters read out with photomultiplier tubes. This paper discusses design criteria for the calorimeter and describes how these criteria were met. Data from tests in low energy (10-84 MeV) and medium energy (1-4 GeV) beams are presented showing a spatial resolution of 9 mm, an energy resolution of (3.0 +/- 0.3)%/square-root E[GeV] + (1.5 +/- 0.5)%, and an effective energy threshold below 10 MeV.

引用

页码：47 / 60

页数：14

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