PERIPHERAL PRODUCTION IN SINGLE-MESON-EXCHANGE FORBIDDEN REACTION PI-P -] Y'-K+ AT 2 TO 4 GEV/C

被引:22
作者
ABOLINS, MA
DAHL, OI
DANBURG, J
DAVIES, D
HOCH, P
MILLER, DH
RADER, R
KIRZ, J
机构
[1] Lawrence Radiation Laboratory, University of California, Berkeley
[2] State University of New York, Stony Brook
[3] Michigan State University, East Lansing
关键词
D O I
10.1103/PhysRevLett.22.427
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Data are presented showing that the Y1*(1385) production angular distribution in the reaction π-p→Y*-K+ and in its charge-symmetric counterpart π+n(psp)→Y*+K0(psp) is characterized by peripheral (N•Y*+1) and antiperipheral peaking. Explanation for the latter is sought in terms of baryon exchange; so comparisons with other πN→Y*K reactions are made. The peripheral peak cannot arise through the exchange of any known meson. Alternative explanations are considered. © 1969 The American Physical Society.
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页码:427 / &
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