# LHCb Papers

2015-03-27
07:41
 Observation of the ${B^0 \to \rho^0 \rho^0}$ decay from an amplitude analysis of ${B^0 \to (\pi^+\pi^-)(\pi^+\pi^-)}$ decays / LHCb collaboration Proton-proton collision data recorded in 2011 and 2012 by the LHCb experiment, corresponding to an integrated luminosity of 3.0 fb$^{-1}$i, are analysed to search for the charmless ${B^0 \to \rho^0 \rho^0}$ decay. [...] arXiv:1503.07770 ; LHCB-PAPER-2015-006 ; CERN-PH-EP-2015-077. - 2015. - 21 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-03-25
18:10
 Differential branching fraction and angular analysis of $\Lambda^{0}_{b} \rightarrow \Lambda^0 \mu^+\mu^-$ decays / LHCb collaboration The differential branching fraction of the rare decay $\Lambda^{0}_{b} \rightarrow \Lambda^0 \mu^+\mu^-$ is measured as a function of $q^{2}$, the square of the dimuon invariant mass. [...] arXiv:1503.07138 ; LHCB-PAPER-2015-009 ; CERN-PH-EP-2015-078. - 2015. - 27 p. Preprint - Full text

2015-03-25
18:10
 Observation of the decay $\overline{B}_s^0 \rightarrow \psi(2S) K^+ \pi^-$ / LHCb collaboration The decay $\overline{B}_s^0 \rightarrow \psi(2S) K^+ \pi^-$ is observed using a data set corresponding to an integrated luminosity of $3.0fb^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV [...] arXiv:1503.07112 ; CERN-PH-EP-2015-072 ; LHCB-PAPER-2015-010. - 2015. - 15 p. Preprint - Full text - Related supplementary data file(s) - Related data file(s)

2015-03-25
18:10
 Measurement of $CP$ violation in $B^0 \rightarrow J/\psi K^0_S$ decays / LHCb collaboration Measurements are presented of the $CP$ violation observables $S$ and $C$ in the decays of $B^0$ and $\overline{B}{}^0$ mesons to the $J/\psi K^0_S$ final state. [...] arXiv:1503.07089 ; LHCB-PAPER-2015-004 ; CERN-PH-EP-2015-076. - 2015. - 19 p. Preprint - Full text - Related data file(s)

2015-03-25
15:46
 Measurement of the time-dependent CP asymmetries in $B_s^0\rightarrow J/\psi K_{\rm S}^0$ / LHCb Collaboration The first measurement of decay-time-dependent CP asymmetries in the decay $B_s^0\rightarrow J/\psi K_{\rm S}^0$ and an updated measurement of the ratio of branching fractions $\mathcal{B}(B_s^0\rightarrow J/\psi K_{\rm S}^0)/\mathcal{B}(B_d^0\rightarrow J/\psi K_{\rm S}^0)$ are presented. [...] arXiv:1503.07055 ; LHCB-PAPER-2015-005 ; CERN-PH-EP-2015-064. - 2015. - 18+5 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s)

2015-03-19
11:46
 Measurement of $CP$ asymmetries and polarisation fractions in $B_s^0 \rightarrow K^{*0}\overline{K}{}^{*0}$ decays / LHCb Collaboration An angular analysis of the decay $B_s^0 \rightarrow K^{*0}\overline{K}{}^{*0}$ is performed using $pp$ collisions corresponding to an integrated luminosity of $1.0$ ${fb}^{-1}$ collected by the LHCb experiment at a centre-of-mass energy $\sqrt{s} = 7$ TeV. [...] arXiv:1503.05362 ; LHCB-PAPER-2014-068 ; CERN-PH-EP-2015-058. - 2015. - 29 p. Related data file(s) - Preprint - Full text

2015-03-11
07:46
 First observation and amplitude analysis of the $B^{-}\to D^{+}K^{-}\pi^{-}$ decay / LHCb collaboration The $B^{-}\to D^{+}K^{-}\pi^{-}$ decay is observed in a data sample corresponding to $3.0~\rm{fb}^{-1}$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. [...] arXiv:1503.02995 ; CERN-PH-EP-2015-051 ; LHCB-PAPER-2015-007. - 2015. - 39 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-03-04
07:40
 Measurement of forward $\rm Z\rightarrow e^+e^-$ production at $\sqrt{s}=8$ TeV / LHCb collaboration A measurement of the cross-section for Z-boson production in the forward region of pp collisions at 8TeV centre-of-mass energy is presented. [...] arXiv:1503.00963 ; LHCB-PAPER-2015-003 ; CERN-PH-EP-2015-045. - 2015. - 25 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2015-02-10
08:06
 Precise measurements of the properties of the $B_1(5721)^{0,+}$ and $B^\ast_2(5747)^{0,+}$ states and observation of $B^{+,0}\pi^{-,+}$ mass structures / LHCb collaboration Invariant mass distributions of $B^+\pi^-$ and $B^0\pi^+$ combinations are investigated in order to study excited B mesons. [...] arXiv:1502.02638 ; LHCB-PAPER-2014-067 ; CERN-PH-EP-2015-021. - 2015. - 29 p. Preprint - Full text - Related supplementary data file(s) - Related data file(s)

2015-01-27
17:11
 Measurement of indirect CP asymmetries in $D^0 \to K^-K^+$ and $D^0 \to \pi^-\pi^+$ decays / LHCb Collaboration Time-dependent $CP$ asymmetries in the decay rates of the singly Cabibbo-suppressed decays $D^0\rightarrow K^-K^+$ and $D^0\rightarrow \pi^-\pi^+$ are measured in $pp$ collision data corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb experiment. [...] arXiv:1501.06777 ; LHCB-PAPER-2014-069 ; CERN-PH-EP-2015-008. - 2015. - 20 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s)