PERFORMANCE OF THE ALEPH TIME PROJECTION CHAMBER

被引：54

作者：

ATWOOD, WB

BARCZEWSKI, T

BAUERDICK, LAT

BELLANTONI, L

BLUCHER, E

BLUM, W

BOUDREAU, J

BOYLE, O

CINABRO, D

CONWAY, J

COWAN, G

COWEN, DF

EFTHYMIOPOULOS, I

FAURE, P

FENG, Z

FIDECARO, F

GOBBO, B

HALLEY, AW

HAYWOOD, S

JAHN, A

JARED, RC

JOHNSON, RP

KASEMANN, M

KLEINKNECHT, K

LECLAIRE, B

LEHRAUS, I

LOFSTEDT, B

LOHSE, T

LUEKE, D

LUSIANI, A

MARROCCHESI, PS

MAY, J

MEYER, TC

MORSANI, F

MINTEN, A

PATER, J

POLLMANN, D

PRICE, M

RICHTER, R

RICHTER, W

ROEHN, S

ROLANDI, L

ROTH, A

ROTSCHEIDT, H

SCHLATTER, D

SCHMELLING, M

SCHMIDT, H

SCHROEDER, J

SETTLES, R

STEEG, F

机构：

[1] DEMOCRITOS NUCL RES CTR,ATHENS,GREECE

[2] UNIV GLASGOW,GLASGOW G12 8QQ,SCOTLAND

[3] UNIV MAINZ,INST PHYS,W-6500 MAINZ,GERMANY

[4] MAX PLANCK INST PHYS & ASTROPHYS,W-8000 MUNICH 40,GERMANY

[5] IST NAZL FIS NUCL,DIPARTMENTO FIS,PISA,ITALY

[6] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY

[7] IST FIS,TRIESTE,ITALY

[8] IST NAZL FIS NUCL,TRIESTE,ITALY

[9] UNIV WISCONSIN,MADISON,WI 53706

[10] UNIV DORTMUND,INST PHYS,W-4600 DORTMUND 50,GERMANY

[11] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[12] STANFORD LINEAR ACCELORATOR LAB,STANFORD,CA 94309

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1991年 / 306卷 / 03期

关键词：

D O I：

10.1016/0168-9002(91)90038-R

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The performance of the ALEPH Time Projection Chamber (TPC) has been studied using data taken during the LEP running periods in 1989 and 1990. After correction of residual distortions and optimisation of coordinate reconstruction algorithms, single coordinate resolutions of 173-mu-m in the azimuthal and 740-mu-m in the longitudinal direction are achieved. This results in a momentum resolution for the TPC of DELTA-p/p2 = 1.2 x 10(-3) (GeV/c)-1. In combination with the ALEPH Inner Tracking Chamber (ITC), a total momentum resolution of DELTA-p/p2 = 0.8 x 10(-3) (GeV/c)-1 is obtained. With respect to particle identification, the detector achieves a resolution of 4.4% for the measurement of the ionisation energy loss.

引用

页码：446 / 458

页数：13

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