Observations of $B^0_s \rightarrow\psi(2S)\eta$ and $B^0_{(s)}\rightarrow\psi(2S)\pi^+\pi^-$ decays - INSPIRE

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Observations of $B^0_s \rightarrow\psi(2S)\eta$ and $B^0_{(s)}\rightarrow\psi(2S)\pi^+\pi^-$ decays

LHCb

Collaboration

•

R Aaij
(
- NIKHEF, Amsterdam
)

Feb 26, 2013

16 pages

Published in:

Nucl.Phys.B 871 (2013) 403-419

Published: Jun 21, 2013

e-Print:

1302.6354 [hep-ex]

DOI:

10.1016/j.nuclphysb.2013.03.004

PDG:

{{\mathit B}^{0}}

\rightarrow

{{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}

Report number:

CERN-PH-EP-2013-024,
LHCB-PAPER-2012-053

Experiments:

CERN-LHC-LHCb

View in:

reference search32 citations

Citations per year

Abstract: (Elsevier)

First observations of the Bs0→ψ(2S)η , B0→ψ(2S)π+π− and Bs0→ψ(2S)π+π− decays are made using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in proton–proton collisions at a centre-of-mass energy of s=7 TeV . The ratios of the branching fractions of each of the ψ(2S) modes with respect to the corresponding J/ψ decays are B(Bs0→ψ(2S)η)B(Bs0→J/ψη)=0.83±0.14(stat)±0.12(syst)±0.02(B), B(B0→ψ(2S)π+π−)B(B0→J/ψπ+π−)=0.56±0.07(stat)±0.05(syst)±0.01(B), B(Bs0→ψ(2S)π+π−)B(Bs0→J/ψπ+π−)=0.34±0.04(stat)±0.03(syst)±0.01(B), where the third uncertainty corresponds to the uncertainties of the dilepton branching fractions of the J/ψ and ψ(2S) meson decays.

Note:

16 pages, 4 figures

B/s0: branching ratio: ratio
B0: branching ratio: ratio
p p: scattering
psi(3685): leptonic decay
J/psi(3100): leptonic decay
LHC-B
B0: hadronic decay
B/s0: hadronic decay
eta: radiative decay
lepton: universality

References(28)

Figures(9)

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