LHCb Papers

უკანასკნელი დამატებები:
2020-11-30
12:03
 Observation of the $\varLambda^{0}_{b}\to\varLambda^{+}_{c}K^{+}K^{-}\pi^{-}$ decay / LHCb Collaboration The $\varLambda^{0}_{b}\to\varLambda^{+}_{c}K^{+}K^{-}\pi^{-}$ decay is observed for the first time using a data sample of proton-proton collisions at centre-of-mass energies of $\sqrt{s}=7$ and 8 $\rm{TeV}$ collected by the $\mbox{LHCb}$ detector, corresponding to an integrated luminosity of $3{\rm{fb}^{-1}}$. [...] arXiv:2011.13738 ; LHCb-PAPER-2020-028 ; CERN-EP-2020-209 ; CERN-EP-2020-209 ; LHCB-PAPER-2020-028 ; LHCB-PAPER-2020-028. - 2020. Fulltext - Related data file(s) - Fulltext

2020-11-25
14:42
 Measurement of the CKM angle $\gamma$ and $B_s^0-\overline{B_s^0}$ mixing frequency with $B_s^0 \to D_s^{\mp} h^{\pm} \pi^{\pm}\pi^{\mp}$ decays / LHCb Collaboration The CKM angle $\gamma$ is measured for the first time from mixing-induced $CP$ violation between $B^0_s \rightarrow D_s^\mp K^\pm \pi^\pm \pi^\mp$ and $\bar{B}^0_s \rightarrow D_s^\pm K^\mp \pi^\mp \pi^\pm$ decays reconstructed in proton-proton collision data corresponding to an integrated luminosity of 9 ${\rm fb}^{-1}$ recorded with the LHCb detector. [...] arXiv:2011.12041 ; LHCb-PAPER-2020-030 ; CERN-EP-2020-214 ; LHCB-PAPER-2020-030. - 2020. Fulltext - Related data file(s) - Supplementary information - Fulltext

2020-11-19
11:30
 Observation of a new excited $D_s^+$ meson in $B^0\to D^+D^-K^+\pi^-$ decays / LHCb Collaboration Using $pp$ collision data corresponding to an integrated luminosity of $5.4\,{\rm fb}^{-1}$ collected with the LHCb detector at a centre-of-mass energy of $13\,{\rm TeV}$, the $B^0\to D^+D^-K^+\pi^-$ decay is studied. [...] arXiv:2011.09112 ; CERN-EP-2020-203 ; LHCb-PAPER-2020-034 ; LHCB-PAPER-2020-034. - 2020. Fulltext - Related data file(s) - Supplementary information

2020-11-16
14:11
 Search for the rare decay $B^0 \to J/\psi\phi$ / LHCb Collaboration A search for the rare decay $B^{0} \rightarrow J/\psi \phi$ is performed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 ${\rm fb}^{-1}$. [...] arXiv:2011.06847 ; LHCb-PAPER-2020-033 ; CERN-EP-2020-204 ; LHCB-PAPER-2020-033. - 2020. - 23 p. Fulltext - Related data file(s) - Supplementary information

2020-11-11
11:00
 Search for heavy neutral leptons in $W^+ \to \mu^+ \mu^{\pm} jet$ decays / LHCb Collaboration A search is performed for heavy neutrinos in the decay of a $W$ boson into two muons and a jet. [...] arXiv:2011.05263 ; LHCb-PAPER-2020-022 ; CERN-EP-2020-194 ; LHCB-PAPER-2020-022. - 2020. - 24 p, 24 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2020-11-05
15:52
 Study of $B_s^0 \to J/\psi \pi^+ \pi^- K^+ K^-$ decays / LHCb Collaboration The decays $B^0_s \rightarrow J/\psi \pi^+\pi^- K^+ K^-$ are studied using a data set corresponding to an integrated luminosity of 9 fb$^{-1}$, collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV [...] arXiv:2011.01867 ; LHCb-PAPER-2020-35 ; CERN-EP-2020-192 ; LHCB-PAPER-2020-035. - 2020. - 34 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2020-11-03
12:13
 Observation of new excited $B_s^0$ states / LHCb Collaboration A structure is observed in the $B^+K^-$ mass spectrum in a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb${}^-1$. [...] arXiv:2010.15931 ; LHCb-PAPER-2020-026 ; CERN-EP-2020-185 ; LHCB-PAPER-2020-026. - 2020. - 17 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2020-10-28
10:53
 Observation of a new $\Xi_b^0$ state / LHCb Collaboration Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5~fb$^{-1}$, the observation of a new excited $\Xi_b^0$ resonance decaying to the $\Xi_b^-\pi^+$ final state is presented. [...] arXiv:2010.14485 ; LHCb-PAPER-2020-032 ; CERN-EP-2020-190 ; LHCB-PAPER-2020-032. - 2020. - 27 p. Fulltext - Related data file(s) - Fulltext - Supplementary information

2020-10-23
15:39
 Measurement of the relative branching fractions of $B^+ \to h^+h^{\prime +}h^{\prime -}$ decays / LHCb Collaboration The relative branching fractions of $B^+ \to h^+h^{\prime +}h^{\prime -}$ decays, where $h^{(\prime)}$ is a pion or kaon, are measured. [...] arXiv:2010.11802 ; CERN-EP-2020-189 ; LHCb-PAPER-2020-031 ; LHCB-PAPER-2020-031. - 2020. - 29 p. Fulltext - Related data file(s)

2020-10-23
10:52
 Measurement of the branching fraction of the $B^{0}\rightarrow D_{s}^{+}\pi^{-}$ decay / LHCb Collaboration A branching fraction measurement of the $B^{0}\rightarrow D_{s}^{+}\pi^{-}$ decay is presented using proton-proton collision data collected with the LHCb experiment, corresponding to an integrated luminosity of $5.0\,$fb$^{-1}$. [...] arXiv:2010.11986 ; CERN-EP-2020-183 ; LHCB-PAPER-2020-021. - 2020. - 24 p. Fulltext - Related data file(s) - Supplementary information - Fulltext