$\bar K^*$ meson in nuclear matter

Details $\bar K^*$ meson in nuclear matter $\bar K^*$ meson in nuclear matter

2010-07-28

arxiv.org/abs/1007.4979v1

J.Phys.Conf.Ser.312:022022,2011

Physics

Nuclear Physics

Nuclear Theory

6 pages, 5 figures, talk at International Nuclear Physics Conference 2010 (INPC2010), July 4-9, 2010, Vancouver (Canada)

Scientific paper

10.1088/1742-6596/312/2/022022

The properties of the $\bar K^*$ meson in dense matter are studied using a unitary approach in coupled channels within the framework of the local hidden gauge formalism. We obtain the $\bar K^*$ spectral function in the nuclear medium and we found that the $\bar K^*$ develops an in-medium width up to five times bigger than in free space. We also estimate the transparency ratio of the $\gamma A \to K^+ K^{*-} A^\prime$ reaction, which we propose as a feasible experimental scenario to detect in-medium modifications of the $\bar K^*$ meson.

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