The large Nc baryon-meson It = Jt rule holds for three flavors

Richard Lebed

doi:10.1016/j.physletb.2006.06.014

The large N_c baryon-meson I_t = J_t rule holds for three flavors

Richard Lebed

CLAS-NS: Physics

Research output: Contribution to journal › Article

8 Scopus citations

Abstract

It has long been known that nonstrange baryon-meson scattering in the 1 / N_c expansion of QCD greatly simplifies when expressed in terms of t-channel exchanges: The leading-order amplitudes satisfy the selection rule I_t = J_t. We show that I_t = J_t, as well as Y_t = 0, also hold for the leading amplitudes when the baryon and/or meson contain strange quarks, and also characterize their 1 / N_c corrections, thus opening a new front in the phenomenological study of baryon-meson scattering and baryon resonances.

Original language	English (US)
Pages (from-to)	68-73
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	639
Issue number	2
DOIs	https://doi.org/10.1016/j.physletb.2006.06.014
State	Published - Aug 3 2006

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Lebed, R. (2006). The large N_c baryon-meson I_t = J_t rule holds for three flavors. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 639(2), 68-73. https://doi.org/10.1016/j.physletb.2006.06.014

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