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Extended NJL model with eight-quark interactions
A. A. Osipov, B. Hiller, A. H. Blin +1
We present the results obtained in the three-flavour () Nambu--Jona-Lasinio model which is extended by the breaking six-quark 't Hooft interaction and eight-quark i…
Pion quadrupole polarizabilities in the Nambu--Jona-Lasinio model
Brigitte Hiller, Wojciech Broniowski, Alexander A. Osipov +1
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…
Quadrupole polarizabilities of the pion in the Nambu--Jona-Lasinio model
Brigitte Hiller, Wojciech Broniowski, Alexander A. Osipov +1
The electromagnetic dipole and quadrupole polarizabilities of the neutral and charged pions are calculated in the Nambu--Jona-Lasinio model. Our results agree with the recent exper…