High Energy Particle Physics

    

A Preliminary Explanation for the Pentaquark found by LHCb

Authors: Mario Everaldo de Souza

We propose that the two resonant states of the recently found pentaquark by LHCb with masses of 4380 MeV and 4450 MeV are two states of the hadronic molecule ccbar + proton with similar properties to those of the Karliner-Lipkin pentaquark. Applying the Morse molecular potential to the molecule its minimum size is estimated. If S states exist, the first two possible S states are suggested and their energies are estimated. It is shown that the coupling constant is close to that of charmonium, and this may mean Physics Beyond the Standard Model.

Comments: 7 Pages. Just a small improvement

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Submission history

[v1] 2015-08-12 15:53:17
[v2] 2015-08-18 08:47:57
[v3] 2015-08-22 22:23:31
[v4] 2015-08-26 10:58:07
[v5] 2015-09-03 16:17:42

Unique-IP document downloads: 566 times

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