Instantons and eta meson production near threshold in NN collisions

6533b86dfe1ef96bd12c970d

RESEARCH PRODUCT

Instantons and eta meson production near threshold in NN collisions

Vicente Vento Nikolai Kochelev Andrey V. Vinnikov

subject

Physics Nuclear and High Energy Physics Instanton Particle physics Scattering High Energy Physics::Lattice Eta meson QCD vacuum Nuclear Theory High Energy Physics::Phenomenology Física Cross section (physics)Near threshold High Energy Physics - Phenomenology Production (computer science)High Energy Physics::Experiment Nuclear Experiment

description

An enhancement for the $\eta$ production in proton-neutron collisions as compared with that in proton-proton scattering has been recently observed. We present a calculation for the production cross section, in proton-neutron collisions near threshold, within instanton model for the QCD vacuum and show that a specific flavor dependent nonperturbative quark-gluon interaction related to instantons is able to explain the observed enhancement.

year	journal	country	edition	language
1999-05-21

10.1016/s0370-2693(99)01440-9 http://hdl.handle.net/10550/43655

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