Differential branching fraction and angular analysis of the decay $B_s^0\to\phi\mu^{+}\mu^{-}$ - INSPIRE

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Differential branching fraction and angular analysis of the decay $B_s^0\to\phi\mu^{+}\mu^{-}$

LHCb

Collaboration

May 9, 2013

18 pages

Published in:

JHEP 07 (2013) 084

Published: Jul 11, 2013

e-Print:

1305.2168 [hep-ex]

DOI:

10.1007/JHEP07(2013)084

PDG:

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

\rightarrow

{{\mathit \phi}{(1020)}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}

Report number:

CERN-PH-EP-2013-078,
LHCB-PAPER-2013-017

Experiments:

CERN-LHC-LHCb

View in:

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Abstract: (Springer)

The determination of the differential branching fraction and the first angular analysis of the decay → ϕμ (+) μ (−) are presented using data, corresponding to an integrated luminosity of 1.0 fb(−1), collected by the LHCb experiment at TeV. The differential branching fraction is determined in bins of q (2), the invariant dimuon mass squared. Integration over the full q (2) range yields a total branching fraction of × 10(−7), where the first uncertainty is statistical, the second systematic, and the third originates from the branching fraction of the normalisation channel. An angular analysis is performed to determine the angular observables F (L), S (3), A (6), and A (9). The observables are consistent with Standard Model expectations.

Note:

Updated to correspond to proof from JHEP. Results unchanged

p p: scattering
p p: colliding beams
B/s0: semileptonic decay
B/s0: rare decay
muon: pair production
dimuon: mass spectrum
B/s0: branching ratio
angular distribution: asymmetry
decay: angular distribution
decay: amplitude analysis

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