Study on the mechanism of open-flavor strong decays

Details Study on the mechanism of open-flavor strong decays Study on the mechanism of open-flavor strong decays

2011-05-09

arxiv.org/abs/1105.1620v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

The open-flavor strong decays are studied based on the interaction of potential quark model. The decay process is related to the s-channel contribution of the same scalar confinment and one-gluon-exchange(OGE) interaction in the quark model. After we adopt the prescription of massive gluons in time-like region from the lattice calculation, the approximation of four-fermion interaction is applied. The numerical calculation is performed to the meson decays in $u$, $d$, $s$ light flavor sector. The analysis of the $D/S$ ratios of $b_1\rightarrow \omega \pi$ and $a_1\rightarrow \rho \pi$ show that the scalar interaction should be dominant in the open-flavor decays.

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