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arXiv · 0909.4867

Pion quadrupole polarizabilities in the Nambu--Jona-Lasinio model

Brigitte Hiller·Wojciech Broniowski·Alexander A. Osipov·Alex H. Blin
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Abstract

We present the results for the pion electromagnetic quadrupole polarizabilities, calculated within the Nambu--Jona-Lasinio model. We obtain the sign and magnitude in agreement with the respective experimental analysis based on the Dispersion Sum Rules. At the same time the dipole polarizabilities are well reproduced. Comparison is also made with the results from the Chiral Perturbation Theory.

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Brigitte Hiller, Wojciech Broniowski, Alexander A. Osipov, Alex H. Blin. 2009-09-26. Pion quadrupole polarizabilities in the Nambu--Jona-Lasinio model. https://arxiv.org/abs/0909.4867

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