A Measurement of ${\cal B}(D_s \to φl^+ ν)/{cal B}(D_s\to φ π^+)$

Details A Measurement of ${\cal B}(D_s \to φl^+ ν)/{cal B}(D_s\to φ π^+)$ A Measurement of ${\cal B}(D_s \to φl^+ ν)/{cal B}(D_s\to φ π^+)$

1994-03-22

arxiv.org/abs/hep-ph/9403328v1

Phys.Lett.B324:255-262,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages uuencoded compressed postscript (process with uudecode then gunzip). hardcopies with figures can be obtained by sendi

Scientific paper

10.1016/0370-2693(94)90416-2

Using the CLEO~II detector at CESR, we have measured the ratio of branching
fractions ${\cal B}(D_s^+ \to \phi e^+ \nu)/{\cal B}(D_s^+ \to \phi\pi^+) =
0.54\pm 0.05\pm 0.04$. We use this measurement to obtain a model dependent
estimate of ${\cal B}(D_s^+ \to \phi \pi^+)$.

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