Angular analysis of B decaying into J/psi Tensor, J/psi Vector and J/psi Scalar

Details Angular analysis of B decaying into J/psi Tensor, J/psi Vector and J/psi Scalar Angular analysis of B decaying into J/psi Tensor, J/psi Vector and J/psi Scalar

2005-04-20

arxiv.org/abs/hep-ph/0504178v1

Phys.Rev. D73 (2006) 014016

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 0 figures

Scientific paper

10.1103/PhysRevD.73.014016

The analysis of $B \to \jpsi K^{\star}_{2}(1430)$ decay mode is complicated by the fact that close to the $J^{PC}=2^{++}$ meson $\Kstart(1430)$, there lie other $J^{PC}=1^{--}$ and $J^{PC}=0^{++}$ resonances, $K^{\star}(1410)$ and $K^{\star}_{0}(1430)$ respectively. We show how an angular analysis can be used to isolate the contributions from the different resonances and partial waves contributing to the final state $B\to \jpsi K_X$, where $K_X$ could be any of the resonance $K^{\star}_{2}(1430)$, $K^{\star}(1410)$ or $K^{\star}_{0}(1430)$. For this purpose we study the time integrated differential decay rate. We also construct a time dependent angular asymmetry that enables a clean measurement of the mixing phase $\beta$ in the mode $B\to \jpsi \Kstart(1430)$ alone, without contributions from the decay modes $B\to\jpsi\Kstarsz(1430)$ or $B\to\jpsi\Kstar(1410)$.

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