Some decay modes of the $1^{-+}$ hybrid meson in QCD sum rules revisited

Details Some decay modes of the $1^{-+}$ hybrid meson in QCD sum rules revisited Some decay modes of the $1^{-+}$ hybrid meson in QCD sum rules revisited

1999-03-31

arxiv.org/abs/hep-ph/9903537v1

Phys.Rev. D60 (1999) 097502

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevD.60.097502

The pionic coupling constants in the decays of the $1^{-+}$ hybrid meson are
calculated. The double Borel transformation is invoked and continuum
contribution is subtracted. The decay widths of the processes $1^{-+}\to
\rho\pi, f_1 \pi, \pi \gamma$ are around $40, 100, 0.3$ MeV respectively.

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