STUDY OF EXCHANGE MECHANISM IN K+P -] K+PI-N'++ AT 5-GEV/C INCOMING K+ MOMENTUM

被引:5
作者
BASSOMPIERRE, G
ESKREYS, A
GOLDSCHM.Y
GRANT, A
HENRI, VP
JONGEJANS, B
LINGLIN, D
MULLER, F
PERREAU, JM
PIOTROWSKA, H
TUOMINIEMI, JK
WOLF, G
DEBAERE, W
DEBAISIEUX, J
DUFOUR, P
GRARD, F
HERQUET, P
HEUGHEBAERT, J
PAPE, L
PEETERS, P
VERBEURE, F
DEWOLF, E
机构
[1] CERN, Geneva
[2] Laboratoire des Hautes Energies, Bruxelles
关键词
D O I
10.1016/0550-3213(69)90350-2
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 present results on the analysis of the quasi three-body reaction K+p → K+π-N*++ obtained from bubble chamber exposures at 5 GeV/c incident K+ momentum. We have applied a method of analysis based on the study of the longitudinal phase space plot recently proposed by Van Hove. Evidence for the existence of π- mesons with a four-momentum transfer peaked at small values is shown. (Events contributing to this peak correspond to the cross section of about 80 μb.) The difficulties in explaining this result in terms of the double-particle exchange model are discussed. © 1969.
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页码:143 / +
页数:1
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