SINGLE DIRECT PHOTON PRODUCTION IN PP COLLISIONS AT SQUARE-ROOT-S = 53.2 GEV IN THE PT INTERVAL 2.3 TO 5.7 GEV-C

被引:28
作者
AMALDI, E
BENEVENTANO, M
BORGIA, B
CAPONE, A
DENOTARISTEFANI, F
DORE, U
FERRONI, F
LONGO, E
LUMINARI, L
PISTILLI, P
SESTILLI, I
DELL, GF
YUAN, LCL
KANTARDJIAN, G
DOOHER, J
机构
[1] NATL INST NUCL PHYS,ROME,ITALY
[2] BROOKHAVEN NATL LAB,UPTON,NY 11973
[3] CERN,CH-1211 GENEVA 23,SWITZERLAND
[4] ADELPHI UNIV,GARDEN CITY,NY 11530
关键词
D O I
10.1016/0550-3213(79)90305-5
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We report the results of an experiment made at the CERN ISR to investigate the possible diret production of single photons in pp collisions at √s = 53.2 GeV at 90° and in the pt interval 2.3 to 5.7 GeV/c. The value of the ratio R = nγ/nπ0 is compatible with zero for low pt {less-than or approximate} 3 GeV/c but, in spite of the large error, shows a trend to increase for larger pt. © 1979.
引用
收藏
页码:326 / 344
页数:19
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