Study of possible ωbound states in nuclei with the (γ,p) reaction

Details Study of possible ωbound states in nuclei with the (γ,p) reaction Study of possible ωbound states in nuclei with the (γ,p) reaction

2006-10-21

arxiv.org/abs/nucl-th/0610085v1

Phys.Rev.C75:064616,2007

Physics

Nuclear Physics

Nuclear Theory

19 pages, 10 figures

Scientific paper

10.1103/PhysRevC.75.064616

We perform calculations for \omega production in nuclei by means of the (\gamma,p) reaction for photon energies and proton angles suited to running and future experiments in present Laboratories. For some cases of possible \omega optical potentials we find clear peaks which could be observable provided a good resolution in the \omega energy is available. We also study the inclusive production of \pi^0 \gamma in nuclei around the \omega energy and find a double hump structure for the energy spectra, with a peak around a \pi^0 \gamma energy of m_{\omega}-100 MeV, which could easily be misidentified by a signal of a bound \omega state in nuclei, while it is due to a different scaling of the uncorrelated \pi^0 \gamma production and \omega production with subsequent \pi^0 \gamma decay.

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