Observation of Charmonium Mass Modification in Proton Induced Reactions

Wolf, György and Balassa, Gábor and Kovács, Péter and Zétényi, Miklós and Lee, Su Houng (2019) Observation of Charmonium Mass Modification in Proton Induced Reactions. JPS CONFERENCE PROCEEDINGS, 26. pp. 1-4. ISSN 2435-3892

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Abstract

We study the excitation function of the low-lying charmonium state: (3686) in p Au collisions taking into account their in-medium propagation. The time evolution of the spectral functions of the charmonium state is studied with a BUU type transport model. We calculated the charmonium contribution to the dilepton spectrum and show that for (3686) production there is a good chance to observe its in-medium modification with good resolution detectors. The energy regime will be available in JPARC.

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