NEUTRAL STRANGE PARTICLE-PRODUCTION IN NEUTRINO AND ANTINEUTRINO CHARGED CURRENT INTERACTIONS ON PROTONS

被引:59
作者
JONES, GT
JONES, RWL
KENNEDY, BW
ONEALE, SW
VILLALOBOSBAILLIE, O
KLEIN, H
MORRISON, DRO
SCHMID, P
WACHSMUTH, H
MILLER, DB
MOBAYYEN, MM
WAINSTEIN, S
ADERHOLZ, M
HANTKE, D
KATZ, UF
KERN, J
SCHMITZ, N
WITTEK, W
BORNER, HP
MYATT, G
RADOJICIC, D
BULLOCK, FW
BURKE, S
机构
[1] CERN,EUROPEAN LAB PARTICLE PHYS,CH-1211 GENEVA 23,SWITZERLAND
[2] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT PHYS,LONDON SW7 2AZ,ENGLAND
[3] MAX PLANCK INST PHYS & ASTROPHYS,W-8000 MUNICH 40,GERMANY
[4] UNIV OXFORD,DEPT NUCL PHYS,OXFORD OX1 3RH,ENGLAND
[5] UNIV LONDON UNIV COLL,DEPT PHYS & ASTRON,LONDON WC1E 6BT,ENGLAND
来源
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1993年 / 57卷 / 02期
关键词
D O I
10.1007/BF01565049
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
The production of the neutral strange particles K0, LAMBDA and LAMBDABAR in nup and nupBAR charged current interactions is studied in an experiment with the Big European Bubble Chamber. Mean multiplicities are measured as a function of the event variables E(nu) W2 and Q2 and of the hadron variables x(F), z and p(T)2. K*+/- (892) and SIGMA*+/- (1385) signals are observed, whereas there is no evidence for SIGMA*- (1385) production in nup scattering. Forward, backward and total mean multiplicities are found to compare well with the predictions of an empirical model for deep-inelastic reactions in the case of the strange mesons K0 and K*+/- (892) but less so for the strange baryons LAMBDA,LAMBDABAR and SIGMA*+/- (1385). The strange baryon multiplicities are used to obtain the decuplet to octet baryon production ratio and to assess the probabilities of a uu or ud system to break up.
引用
收藏
页码:197 / 209
页数:13
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