Cross sections for pentaquark baryon production from protons in reactions induced by hadrons and photons

Details Cross sections for pentaquark baryon production from protons in reactions induced by hadrons and photons Cross sections for pentaquark baryon production from protons in reactions induced by hadrons and photons

2003-08-11

arxiv.org/abs/nucl-th/0308034v1

Phys.Rev. C68 (2003) 045203

Physics

Nuclear Physics

Nuclear Theory

14 pages, 7 figures

Scientific paper

10.1103/PhysRevC.68.045203

Using hadronic Lagrangians that include the interaction of pentaquark $\Theta^+$ baryon with $K$ and $N$, we evaluate the cross sections for its production from meson-proton, proton-proton, and photon-proton reactions near threshold. With empirical coupling constants and form factors, the predicted cross sections are about 1.5 mb in kaon-proton reactions, 0.1 mb in rho-nucleon reactions, 0.05 mb in pion-nucleon reactions, 20 $\mu$b in proton-proton reactions, and 40 nb in photon-proton reactions.

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