Combined description of anti-N N scattering and annihilation with a hadronic model

Mull, V.; Holinde, K.

doi:10.1103/PhysRevC.51.2360

Combined description of anti-N N scattering and annihilation with a hadronic model

Nov, 1994

27 pages

Published in:

Phys.Rev.C 51 (1995) 2360-2371

e-Print:

nucl-th/9411014 [nucl-th]

DOI:

10.1103/PhysRevC.51.2360

Report number:

KFA-IKP-TH-1994-39

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Abstract:

A model for the nucleon-antinucleon interaction is presented which is based on meson-baryon dynamics. The elastic part is the

G

-parity transform of the Bonn

NN

potential. Annihilation into two mesons is described in terms of microscopic baryon-exchange processes including all possible combinations of

\pi,\eta,\rho,\omega,a_0,f_0,a_1,f_1,a_2,f_2,K,K~*

. The remaining annihilation part is taken into account by a phenomenological energy- and state independent optical potential of Gaussian form. The model provides a simultaneous description of nucleon-antinucleon scattering and annihilation phenomena.

anti-p p: annihilation
annihilation: anti-p p
anti-p p: elastic scattering
elastic scattering: anti-p p
p: polarization
polarization: p
charge exchange
model: potential
G parity
hyperon: pair production

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