B ¯ 0 and B ¯ s0 decays into J /ψ and f0 (1370), f0 (1710), f2 (1270), f2′ (1525), K2∗ (1430)

Abstract

We make predictions for the ratios of branching fractions of B¯0 and B¯s0 decays into J/ψ and the scalar mesons f0(1370), f0(1710) or tensor mesons f2(1270), f2′(1525), K2∗(1430). The theoretical approach is based on results of chiral unitary theory where these resonances are shown to be generated from the vector meson-vector meson interaction. Eight independent ratios can be predicted, and comparison is made with the recent data on B¯s0 decay into J/ψf2′(1525) versus the B¯s0 decay into J/ψf2(1270).