Observation of the decay $B_s^0\to\bar{D}^0\phi$ - INSPIRE

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Observation of the decay $B_s^0\to\bar{D}^0\phi$

LHCb

Collaboration

Aug 21, 2013

9 pages

Published in:

Phys.Lett.B 727 (2013) 403-411

Published: 2013

e-Print:

1308.4583 [hep-ex]

DOI:

10.1016/j.physletb.2013.10.057

PDG:

{{\mathit B}_{{{s}}}^{0}}

\rightarrow

{{\overline{\mathit D}}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}

Report number:

LHCB-PAPER-2013-035,
CERN-PH-EP-2013-150

Experiments:

CERN-LHC-LHCb

View in:

reference search27 citations

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Abstract: (Elsevier)

First observation of the decay Bs0→D¯0ϕ is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb −1 , collected by the LHCb experiment at a centre-of-mass energy of 7 TeV . The significance of the signal is 6.5 standard deviations. The branching fraction is measured relative to that of the decay Bs0→D¯0K¯⁎0 to be B(Bs0→D¯0ϕ)B(Bs0→D¯0K¯⁎0)=0.069±0.013 (stat)±0.007 (syst). The first measurement of the ratio of branching fractions for the decays Bs0→D¯0K¯⁎0 and B0→D¯0K⁎0 is found to be B(Bs0→D¯0K¯⁎0)B(B0→D¯0K⁎0)=7.8±0.7 (stat)±0.3 (syst)±0.6 (fs/fd), where the last uncertainty is due to the ratio of the Bs0 and B0 fragmentation fractions.

Note:

Journal reference added

B/s0: hadronic decay
B0: hadronic decay
branching ratio: ratio: measured
B/s0: branching ratio: measured
p p: scattering
LHC-B
experimental results
CERN LHC Coll
B/s0 --> anti-D0 Phi(1020)
B/s0 --> anti-D0 K*(892)0

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