Exclusive $K^+$ production in proton-nucleus collisions

Details Exclusive $K^+$ production in proton-nucleus collisions Exclusive $K^+$ production in proton-nucleus collisions

2003-08-29

arxiv.org/abs/nucl-th/0308085v2

Phys.Rev. C69 (2004) 065205

Physics

Nuclear Physics

Nuclear Theory

Two new figures, version accepted for publication by Phys. Rev. C

Scientific paper

10.1103/PhysRevC.69.065205

The exclusive $K^+$ meson production in a proton-nucleus collision, leading to two body final states, is investigated in a fully covariant two-nucleon model based on the effective Lagrangian picture. The explicit kaon production vertex is described via creation, propagation and decay into relevant channel of $N^*$(1650), $N^*$(1710) and $N^*$(1720) intermediate baryonic states in the initial collision of the projectile nucleon with one of its target counterparts which is modeled by the one-pion exchange process. The calculated cross sections show strong sensitivity to the medium effects on pion propagator and to the final hypernuclear state excited in the reaction.

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