The dissociation of the J/psi by light mesons and chiral symmetry

Details The dissociation of the J/psi by light mesons and chiral symmetry The dissociation of the J/psi by light mesons and chiral symmetry

2008-02-20

arxiv.org/abs/0802.2738v2

Phys.Rev.C78:035206,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, 6 figures. Minor revisions

Scientific paper

10.1103/PhysRevC.78.035206

The implication of chiral symmetry for the pion-induced dissociation of the J/psi is examined in detail. It is shown how the low-energy dynamics of pions, constrained by chiral symmetry, affect the dissociation cross-section. The derived soft-pion theorem is then integrated into a Lagrangian model which includes also abnormal parity content and chiral-symmetric form factors. Dissociation by the rho meson is also considered.

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