On the Mass and Decay Constant of K2∗(1430)K_2^*(1430) Tensor Meson

preprint2009arXivOpen access

Abstract

The mass and decay constant of the ground state strange tensor meson K2∗(1430)K_2^*(1430) with I(JP)=1/2(2+)I(J^P)=1/2(2^+) is calculated using the QCD sum rules method. The results are consistent with the experimental data. It is found that SU(3) symmetry breaking effect constitutes about 200/020^0/_0 of the decay constant.

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