Relative rates of $B$ meson decays into $\psi_{2S}$ and $J/\psi$ mesons - INSPIRE

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Relative rates of $B$ meson decays into $\psi_{2S}$ and $J/\psi$ mesons

D0

Collaboration

May, 2008

7 pages

Published in:

Phys.Rev.D 79 (2009) 111102

e-Print:

0805.2576 [hep-ex]

DOI:

10.1103/PhysRevD.79.111102

PDG:

{{\mathit B}^{+}}

\rightarrow

{{\mathit \psi}{(2S)}}{{\mathit K}^{+}}

Report number:

FERMILAB-PUB-08-134-E

Experiments:

FNAL-E-0823

View in:

reference search15 citations

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Abstract: (arXiv)

We report on a study of the relative rates of B meson decays into psi(2S) and J/psi mesons using 1.3 fb^-1 of pbar p collisions at sqrt(s) = 1.96 TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We observe the channels B^0_s -> psi(2S)phi, B^0_s -> J/psi phi, B^+/- -> psi(2S) K^+/-, and B^+/- -> J/psi K^+/- and we measure the relative branching fractions for these channels to be B(B^0_s -> psi(2S)phi)/B(B^0_s -> J/psi phi) = 0.55 +/- 0.11 (stat) +/- 0.07 (syst) +/- 0.06 (B), B(B^+/- -> psi(2S) K^+/-)/B(B^+/- -> J/psi K^+/-) = 0.65 +/- 0.04 (stat) +/- 0.03 (syst) +/- 0.07 (B) where the final error corresponds to the uncertainty in the J/psi and psi(2S) branching ratio into two muons.

Note:

submitted to Phys. Rev. D - Rapid Communication

14.20.Mr
13.25.Hw
anti-p p: colliding beams
bottom meson: hadroproduction
bottom meson: hadronic decay
psi(3685): leptonic decay
J/psi(3100): leptonic decay
B+: branching ratio
B0: branching ratio
B/s0: branching ratio

References(15)

Figures(0)

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