Angular distributions and lifetime differences in $B_s \to J/ψφ$ decays

Details Angular distributions and lifetime differences in $B_s \to J/ψφ$ decays Angular distributions and lifetime differences in $B_s \to J/ψφ$ decays

1995-11-17

arxiv.org/abs/hep-ph/9511363v1

Phys.Lett. B369 (1996) 144-150

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, latex, no figures

Scientific paper

10.1016/0370-2693(95)01523-X

The strange $B$ meson $B_s \equiv \bar b s$ and its charge-conjugate $\bar B_s \equiv b \bar s$ are expected to mix with one another in such a way that the mass eigenstates $B_s^H$ (``heavy'') and $B_s^L$ (``light'') may have a perceptible lifetime difference of up to 40\%, with the CP-even eigenstate being shorter-lived. A simple transversity analysis permits one to separate the CP-even and CP-odd components of $B_s \to J/\psi \phi$, and thus to determine the lifetime difference. The utility of a similar analysis for $B^0 \to J/\psi K^{*0}$ is noted.

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