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arXiv · 1912.06375

Gravitational transition form factors of $N(1535) \rightarrow N$

U. Özdem·K. Azizi
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Abstract

We employ the quark part of the symmetric energy-momentum tensor current to calculate the transition gravitational form factors of the $N(1535) \rightarrow N$ by means of the light cone QCD sum rule formalism. In numerical analysis, we use two different sets of the shape parameters in the distribution amplitudes of the $ N(1535) $ baryon and the general form of the nucleon's interpolating current. It is seen that the momentum squared dependence of the gravitational form factors can be well described by the p-pole fit function. The results obtained by using two sets of parameters are found to be quite different from each other and the $N(1535) \rightarrow N$ transition gravitational form factors depend highly on the shape parameters of the distribution amplitudes of the $N(1535)$ state that parametrize relative orbital angular momentum of the constituent quarks.

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U. Özdem, K. Azizi. 2019-12-13. Gravitational transition form factors of $N(1535) \rightarrow N$. https://doi.org/10.1103/physrevd.101.054031

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