Pion and kaon polarizabilities in the quark confinement model

M. A. Ivanov and T. Mizutani
Phys. Rev. D 45, 1580 – Published 1 March 1992
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Abstract

The Dubna quark confinement model is applied to the study of electromagnetic polarizabilities of the π and K mesons. Within this model it is found that the effect of quark confinement reduces the value of the pion polarizability from that obtained in such approaches as chiral quark loop and linear σ models. In the chiral limit our result coincides with the one found in chiral perturbation theory. For the charged kaon we find the electric polarizability considerably larger than the chiral prediction. This is due to the strong meson-mass dependence not expected from the pointlike interaction in effective meson Lagrangian approaches.

  • Received 9 May 1991

DOI:https://doi.org/10.1103/PhysRevD.45.1580

©1992 American Physical Society

Authors & Affiliations

M. A. Ivanov

  • Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
  • Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Head Post Office P.O. Box 79, 101000 Moscow, U.S.S.R.

T. Mizutani

  • Centro de Física Nuclear da Universidade de Lisboa, Avenida Gama Pinto 2, P-1699 Lisboa Codex, Portugal
  • Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061

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Issue

Vol. 45, Iss. 5 — 1 March 1992

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