ANALYSIS OF MESON - BARYON SCATTERING PROCESSES RELATED BY SU(3) IN A UNITARIZED VENEZIANO MODEL - INSPIRE

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ANALYSIS OF MESON - BARYON SCATTERING PROCESSES RELATED BY SU(3) IN A UNITARIZED VENEZIANO MODEL

J.F. Gunion
(
- SLAC
)
,
R.G. Roberts
(
- Rutherford
)

Oct, 1970

15 pages

Published in:

Nucl.Phys.B 28 (1971) 210-224

Published: 1971

DOI:

10.1016/0550-3213(71)90374-9

Report number:

SLAC-PUB-0818

View in:

OSTI Information Bridge Server

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Abstract: (Elsevier)

We extend a previously developed eikonal-like model to analyze meson-baryon scattering. Unitarity is partly described by introducing all the coupled two-particle channels which are related to each other by the requirements of SU(3), duality, factorization and absence of exotics. The pomeron is interpreted as the manifestation of multiparticle unitarity rather than as a t -channel Regge exchange. With a small number of parameters we are able to obtain good agreement with data on twelve processes. One parameter, the F D ratio for t -channel spin-flip coupling, is shown to play a crucial role in understanding the differing behaviors of various cross sections and polarizations.

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Figures(0)

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