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1.
(100)
Searches for Majorana neutrinos in $B^-$ decays / LHCb Collaboration
Searches for heavy Majorana neutrinos in B- decays in final states containing hadrons plus a \mu- \mu- pair have been performed using 0.41/fb of data collected with the LHCb detector in proton-proton collisions at a center-of-mass energy of 7 TeV. The D+ \mu- \mu- and D*+ \mu- \mu- final states can arise from the presence of virtual Majorana neutrinos of any mass. [...]
arXiv:1201.5600; CERN-PH-EP-2012-006; LHCB-PAPER-2011-038; CERN-PH-EP-2012-006; LHCB-PAPER-2011-038.- 2012 - 18 p. - Published in : Phys. Rev. D 85 (2012) 112004 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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2.
(91)
Strong constraints on the rare decays $B^0_s \to \mu^+ \mu^-$ and $B^0 \to \mu^+ \mu^-$ / LHCb Collaboration
A search for $B^0_s \to \mu+ \mu^-$ and $B^0 \to \mu^+ \mu^-$ decays is performed using $1.0$ fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=7$\,TeV with the LHCb experiment at the Large Hadron Collider. For both decays the number of observed events is consistent with expectation from background and Standard Model signal predictions. [...]
arXiv:1203.4493; CERN-PH-EP-2012-072; LHCB-PAPER-2012-007; CERN-PH-EP-2012-072; LHCB-PAPER-2012-007.- Geneva : CERN, 2012 - 6 p. - Published in : Phys. Rev. Lett. 108 (2012) 231801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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3.
(91)
Measurements of the branching fractions and $C\!P$ asymmetries of $B^{\pm} \to J\!/\!\psi\, \pi^{\pm}$ and $B^{\pm} \to \psi(2S) \pi^{\pm}$ decays / LHCb Collaboration
A study of $B^{\pm} \to J\!/\!\psi\, \pi^{\pm}$ and $B^{\pm} \to \psi(2S) \pi^{\pm}$ decays is performed with data corresponding to $0.37\,{\rm fb}^{-1}$ of proton-proton collisions at $\sqrt{s}=7\,\mathrm{Te\kern -0.1em V}$. Their branching fractions are found to be \begin{eqnarray*} \mathcal{B}(B^{\pm} \to J\!/\!\psi\, \pi^{\pm}) &=& (3.88 \pm 0.11 \pm 0.15) \times 10^{-5}\ {\rm and}\\ \mathcal{B}(B^{\pm} \to \psi(2S) \pi^{\pm}) &=& (2.52 \pm 0.26 \pm 0.15) \times 10^{-5}, \end{eqnarray*} where the first uncertainty is related to the statistical size of the sample and the second quantifies systematic effects. [...]
arXiv:1203.3592; LHCB-PAPER-2011-024; CERN-PH-EP-2012-070; LHCB-PAPER-2011-024; CERN-PH-EP-2012-070.- Geneva : CERN, 2012 - 10 p. - Published in : Phys. Rev. D 85 (2012) 091105(R) APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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4.
(90)
Observation of $\overline{B}^0_s \to J/\psi f'_2(1525)$ in $J/\psi K^+K^-$ final states / LHCb Collaboration
In this Letter the decay $\overline{B}^0_s \to J/\psi K^+ K^-$ is investigated. Although the $J/\psi \phi$ channel is well known, final states at higher $K^+K^-$ masses have not previously been studied. [...]
arXiv:1112.4695; CERN-PH-EP-2011-212; LHCB-PAPER-2011-026; CERN-PH-EP-2011-212; LHCB-PAPER-2011-026.- Geneva : CERN, 2012 - 8 p. - Published in : Phys. Rev. Lett. 108 (2012) 151801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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5.
(90)
Measurement of the CP violating phase $\phi_s$ in $\overline{B}^0_s \to J/\psi f_0(980)$ / LHCb Collaboration
Measurement of mixing-induced $CP$ violation in $\overline{B}^0_s$ decays is of prime importance in probing new physics. So far only the channel $\overline{B}^0_s\to J/\psi\phi$ has been used. [...]
arXiv:1112.3056; CERN-PH-EP-2011-205; LHCB-PAPER-2011-031; CERN-PH-EP-2011-205; LHCB-PAPER-2011-031.- Geneva : CERN, 2013-07-16 - 9 p. - Published in : Phys. Lett. B 707 (2012) 497-505 Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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6.
(89)
Search for CP violation in $D^{+} \to K^{-}K^{+}\pi^{+}$ decays / LHCb Collaboration
A model-independent search for direct CP violation in the Cabibbo suppressed decay $D^+ \to K^- K^+\pi^+$ in a sample of approximately 370,000 decays is carried out. The data were collected by the LHCb experiment in 2010 and correspond to an integrated luminosity of 35 pb$^{-1}$. [...]
arXiv:1110.3970; LHCB-PAPER-2011-017; CERN-PH-EP-2011-163; LHCB-PAPER-2011-017; CERN-PH-EP-2011-163.- Geneva : CERN, 2011 - 13 p. - Published in : Phys. Rev. D 84 (2011) 112008 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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7.
(89)
Measurements of the Branching fractions for $B_{(s)} \to D_{(s)}\pi\pi\pi$ and $\Lambda_b^0 \to \Lambda_c^+\pi\pi\pi$ / LHCb Collaboration
Branching fractions of the decays $H_b\to H_c\pi^-\pi^+\pi^-$ relative to $H_b\to H_c\pi^-$ are presented, where $H_b$ ($H_c$) represents $\overline{B^0}$ ($D^+$), $B^-$ ($D^0$), $\overline{B_s^0}$ ($D_s^+$) and $\Lambda_b^0$ ($\Lambda_c^+$). The measurements are performed with the LHCb detector using 35~${\rm pb^{-1}}$ of data collected at $\sqrt{s}=7$~TeV. [...]
arXiv:1109.6831; LHCB-PAPER-2011-016; CERN-PH-EP-2011-151; LHCB-PAPER-2011-016; CERN-PH-EP-2011-151.- Geneva : CERN, 2011 - 26 p.
APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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8.
(88)
Measurement of $V^0$ production ratios in $pp$ collisions at $\sqrt{s}$ = 0.9 and 7 TeV / LHCb Collaboration
The $\bar{\Lambda} / \Lambda$ and $\bar{\Lambda} / K^0_\mathrm{S}$ production ratios are measured by the LHCb detector from $0.3\,\mathrm{nb}^{-1}$ of $pp$ collisions delivered by the LHC at $\sqrt{s} = 0.9$\,TeV and $1.8\,\mathrm{nb}^{-1}$ at $\sqrt{s} = 7$\,TeV. Both ratios are presented as a function of transverse momentum, $p_\mathrm{T}$, and rapidity, $y$, in the ranges {$0.15 < p_\mathrm{T} < 2.50\,\mathrm{GeV}/c$} and {$2.0<y<4.5$}. [...]
arXiv:1107.0882; CERN-PH-EP-2011-082; LHCB-PAPER-2011-005; CERN-PH-EP-2011-082; LHCB-PAPER-2011-005.- Geneva : CERN, 2011 - 22 p. - Published in : JHEP 08 (2011) 034 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
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9.
(88)
First observation of $B^{0}_{s} \to J/\psi f_{0}$(980) decays / LHCb Collaboration
Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay $B^{0}_{s} \to J/\psi f_{0}$(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the $B^0_s$ system. [...]
arXiv:1102.0206; CERN-PH-EP-2011-011; LHCb-PAPER-2011-002; LHCB-PAPER-2011-002; CERN-PH-EP-2011-011; LHCb-PAPER-2011-002.- 2013-07-16 - 8 p. - Published in : Phys. Lett. B 698 (2011) 115-122 Elsevier Open Access article: PDF; Fulltext: PDF; External link: Preprint
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10.
(87)
Determination of $f_s/f_d$ for 7 TeV $pp$ collisions and a measurement of the branching fraction of the decay $B^0 \to D^{-}K^{+}$ / LHCb Collaboration
The relative abundance of the three decay modes $B^0 \to D^- K^+$, $B^0 \to D^- \pi^+$ and $B^0_s \to D_s^- \pi^+$ produced in 7 TeV $pp$ collisions at the LHC is determined from data corresponding to an integrated luminosity of 35 pb$^{-1}$. The branching fraction of $B^0 \to D^- K^+$ is found to be $\cal B (B^0 \to D^- K^+) = (2.01 \pm 0.18^{\textrm{stat}} \pm 0.14^{\textrm{syst}})\times 10^{-4}$. [...]
arXiv:1106.4435; CERN-PH-EP-2011-075; LHCB-PAPER-2011-006; CERN-PH-EP-2011-075; LHCB-PAPER-2011-006.- Geneva : CERN, 2011 - 7 p. - Published in : Phys. Rev. Lett. 107 (2011) 211801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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