Semileptonic Decay of $B$-Meson into $D^{**}$ and the Bjorken Sum Rule

Aichi University of Education; Astronomy; Japan); Japan (2) Department of Physics; Kariya Aichi; Masahisa Matsuda(1); Nagoya; Nagoya University; Tsuyoshi B. Suzuki(2) ((1) Department of Physics

arxiv: hep-ph/9603355 · v2 · submitted 1996-03-20 · ✦ hep-ph

Semileptonic Decay of B-Meson into D^(**) and the Bjorken Sum Rule

Masahisa Matsuda(1) , Tsuyoshi B. Suzuki(2) ((1) Department of Physics , Astronomy , Aichi University of Education , Kariya Aichi , Japan (2) Department of Physics , Nagoya University , Nagoya

show 1 more author

Japan)

This is my paper

classification ✦ hep-ph

keywords mesonrulesemileptonicbjorkenbranchingdecayhqetvalue

0 comments

read the original abstract

We study the semileptonic branching fraction of $B$-meson into higher resonance of charmed meson $D^{**}$ by using the Bjorken sum rule and the heavy quark effective theory(HQET). This sum rule and the current experiment of $B$-meson semileptonic decay into $D$ and $D^*$ predict that the branching ratio into $D^{**}l\nu_l$ is about 1.7\%. This predicted value is larger than the value obtained by the various theoretical hadron models based on the HQET.

This paper has not been read by Pith yet.

Semileptonic Decay of B-Meson into D^(**) and the Bjorken Sum Rule

discussion (0)