CONFIRMATION OF EXCHANGE-DEGENERACY PREDICTIONS IN LINE-REVERSED REACTIONS - PI-+P-]K+YSTAR(1385) AND K-P-]PI-YSTAR(1385) AT 11.5-GEV-C

被引：9

作者：

BALLAM, J

BOUCHEZ, J

CARROLL, JT

CAUTIS, CV

CHADWICK, GB

CHALOUPKA, V

FIELD, RC

FREYTAG, DR

LEWIS, RA

MINARD, MN

MOFFEIT, KC

STEVENS, RA

机构：

[1] Stanford Linear Accelerator Center, Stanford University, Stanford

[2] Département de Physique de Particules Elémentaires, Centre d'Etudes Nucléaires-Saclay

[3] Physics Department, Michigan State University, East Lansing

来源：

PHYSICAL REVIEW LETTERS | 1978年 / 41卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.41.676

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured in a single experimental setup the differential cross sections and polarizations of the Y*(1385) produced in the two line-reversed reactions +pK+Y*(1385) (260 eV/b) and K-p-Y*(1385) (180 eV/b) at 11.5 GeV/c. We compare these results to + production in the same experiment. The data have been derived from a triggered bubble-chamber experiment using the SLAC Hybrid Facility. We find that both helicity-flip-dominated (Y*) and helicity-nonflip-dominated () processes are consistent with weak-exchange-degeneracy predictions. © 1978 The American Physical Society.

引用

页码：676 / 679

页数：4

共 20 条

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