Sum Rule for Heavy Meson Decay Widths

Details Sum Rule for Heavy Meson Decay Widths Sum Rule for Heavy Meson Decay Widths

1996-12-05

arxiv.org/abs/hep-ph/9612266v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages set using Revtex 3

Scientific paper

A sum rule relating the widths of the decays of mesons belonging to heavy quark multiplets, having the same parity and light quark spin j, into the low lying $0^-$ and $1^-$ multiplet is obtained. As this sum rule follows from properties of the axial charges, it is protected from heavy quark spin dependent $1/m_Q$ corrections. The sum rule works well for mesons containing a heavy charmed quark and, surprisingly, for resonances containing a strange quark.

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