THE ASTERIX SPECTROMETER AT LEAR

被引：20

作者：

AHMAD, S

AMSLER, C

ARMENTEROS, R

AULD, EG

AXEN, DA

BAILEY, D

BARLAG, S

BEER, GA

BIZOT, JC

BOTLO, M

BUTLER, J

CARIA, M

COMYN, M

DAHME, W

DELCOURT, B

DOSER, M

DUCH, KD

ERDMAN, KL

FELDDAHME, F

GASTALDI, U

HEEL, M

HOWARD, B

HOWARD, R

JEANJEAN, J

KALINOWSKY, H

KAYSER, F

KLEMPT, E

LAA, C

LANDUA, R

MARSHALL, GM

MAY, B

NGUYEN, H

PREVOT, N

RIEDLBERGER, J

ROBERTSON, LP

SABEV, C

SCHAEFER, U

SCHREIBER, O

STRAUMANN, U

TRUOL, P

VONACH, H

WEIDENAUER, P

WHITE, BL

WODRICH, RW

ZIEGLER, M

机构：

[1] LAB ACCELERAT LINEAIRE,ORSAY,FRANCE

[2] UNIV ZURICH,CH-8006 ZURICH,SWITZERLAND

[3] CERN,CH-1211 GENEVA 23,SWITZERLAND

[4] UNIV BRITISH COLUMBIA,VANCOUVER V6T 1W5,BC,CANADA

[5] UNIV VICTORIA,VICTORIA V8W 2Y2,BC,CANADA

[6] UNIV VIENNA,A-1010 VIENNA,AUSTRIA

[7] UNIV MUNICH,W-8000 MUNICH 2,GERMANY

[8] UNIV MAINZ,W-6500 MAINZ,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1990年 / 286卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0168-9002(90)90210-W

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The ASTERIX spectrometer has been used to study the formation and the ground state of the pp atom and exclusive final states of pp annihilation at rest in a H2 gas target at NTP, using antiprotons from the Low Energy Antiproton Ring (LEAR) at CERN. The article describes the mechanical construction of the apparatus, the trigger logic, the chamber readout, and the data acquisition system. The detector calibration and the offline processing of the 55 million reconstructed events are illustrated. An overview is given about the new physics results obtained by the experiment. © 1990.

引用

页码：76 / 98

页数：23

共 34 条

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