Angular distributions in $D_s^*$ decays

Details Angular distributions in $D_s^*$ decays Angular distributions in $D_s^*$ decays

2011-01-06

arxiv.org/abs/1101.1317v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

2 pages, no figures. To be submitted to Phys. Rev. D (brief reports)

Scientific paper

The reaction $e^+ e^- \to (D_s^{*+} D_s^- + {\rm c.c.})$ has been used with great success at the CLEO-c detector, and will be a source of valuable future data from the BES-III detector, to obtain information about the properties and decays of the $D_s$ and $D_s^*$. The angular distributions of the $D_s^*$ and the final-state particles in $D_s^* \to D_s \gamma$ are needed to model the decays properly, to confirm the spin-parity assignment $J^P(D_s^*) = 1^-$, and to model the acceptance for the rare process $D_s^* \to D_s e^+ e^-$. This note presents some of the necessary expressions.

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