Journal Article

PreJuSER-61873

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Comment on "Mass and K Lambda coupling of the N-* (1535)

Sibirtsev, A. ; Haidenbauer, J.FZJ* ; Meissner, U. G.FZJ*

2007
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/7781  doi:10.1103/PhysRevLett.98.039101

Abstract: We comment on a recent paper by B.C. Liu and B.S. Zou [Phys. Rev. Lett. 96, 042002 (2006)] where it was argued that the coupling of the N*(1535) to K\Lambda is even larger than its coupling to the \eta N channel. Specifically, we point out that recently measured Dalitz plot distributions for pp -> pK^+\Lambda provide clear evidence for the importance of (p\Lambda) final-state interactions in this reaction and, at the same time, exclude a decisive role of the N*(1535) resonance, in contradiction to claims made by Liu and Zou.

Keyword(s): N(1535): mass ; N(1535): width ; J/psi(3100): hadronic decay ; isobar model ; N(1535): coupling ; Lambda ; K ; angular distribution: (Lambda p) ; helicity ; numerical calculations: interpretation of experiments ; J/psi(3100) --> Lambda anti-p K ; p p --> Lambda p K+

Note: Record converted from VDB: 12.11.2012

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Research Program(s):

1. Physik der Hadronen und Kerne (P53)

Appears in the scientific report 2007
Notes: Nachtrag

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