A Model of Mesons based on $χ$SB in the Light-Front Frame

Details A Model of Mesons based on $χ$SB in the Light-Front Frame A Model of Mesons based on $χ$SB in the Light-Front Frame

1994-10-18

arxiv.org/abs/hep-ph/9410313v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LATEX

Scientific paper

Spontaneous breaking of chiral symmetry is discussed in the light-cone framework. The essential ingredient is an infinite number of constituents near zero light-cone momentum. These high (light-cone) energy degrees of freedom freeze out and leave behind some explicit symmetry breaking in the low (light-cone) energy effective Hamiltonian. Connections with Regge theory and soft pion theorems are discussed. Taking the order parameter to be the 4-th component of a chiral 4-vector, the effect of the spontaneous symmetry breaking on meson masses and decay width is calculated and compared with experimental data.

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