LHCb Papers

Senast inlagda poster:
2021-07-29
17:06
 Angular analysis of the rare decay $B^0_s \to \phi \mu^+\mu^-$ The abstract for the paper is An angular analysis of the rare decay $B^0_s\rightarrow\phi\mu^+\mu^-$ is presented, using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of $7$, $8$ and $13~\rm{TeV}$, corresponding to an integrated luminosity of 8.4~$\rm{fb}^{-1}$. [...] CERN-EP-2021-138 ; LHCB-PAPER-2021-022. - 2021. Fulltext - Previous draft version - Related data file(s)

2021-07-29
16:30
 Measurement of prompt charged-particle production in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$ The differential cross-section of prompt inclusive production of long-lived charged particles in proton-proton collisions is measured using a data sample recorded by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s} = 13\,\mathrm{TeV}}$. [...] CERN-EP-2021-110 ; LHCB-PAPER-2021-010. - 2021. Fulltext - Previous draft version - Related data file(s)

2021-07-23
14:23
 Observation of a $\Lambda_b^0-\overline{\Lambda}_b^0$ production asymmetry in proton-proton collisions at $\sqrt{s} = 7 \textrm{ and } 8\,\textrm{TeV}$ / LHCb Collaboration This article presents differential measurements of the asymmetry between $\Lambda_b^0$ and $\overline{\Lambda}_b^0$ baryon production rates in proton-proton collisions at centre-of-mass energies of $\sqrt{s}=7$ and $8\,\textrm{TeV}$ collected with the LHCb experiment, corresponding to an integrated luminosity of $3\,\textrm{fb}^{-1}$. [...] arXiv:2107.09593 ; LHCb-PAPER-2021-016 ; CERN-EP-2021-121 ; LHCB-PAPER-2021-016. - 2021. Fulltext - Previous draft version - Related data file(s) - Supplementary information

2021-07-09
12:19
 Observation of excited $\Omega_c^0$ baryons in $\Omega_b^- \to \Xi_c^+ K^-\pi^-$ decays / LHCb Collaboration The first observation of the $\Omega_b^-\to\Xi_c^+ K^- \pi^-$ decay is reported using proton-proton collision data at centre-of-mass energies of $7$, $8$ and $13\,\mathrm{TeV}$ collected by the LHCb experiment, corresponding to an integrated luminosity of $9\,\mathrm{fb}^{-1}$. [...] arXiv:2107.03419 ; CERN-EP-2021-109 ; LHCb-PAPER-2021-012 ; LHCB-PAPER-2021-012. - 2021. - 28 p. Related data file(s)

2021-07-09
11:39
 Study of coherent $J/\psi$ production in lead-lead collisions at $\sqrt{s_{NN}}=5$ TeV / LHCb Collaboration Coherent production of $J/\psi$ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LHCb experiment corresponding to an integrated luminosity of about $10\ \mu b^{-1}$. [...] arXiv:2107.03223 ; CERN-CERN-EP-2021-108 ; LHCb-PAPER-2021-013 ; LHCB-PAPER-2021-013. - 2021. - 19 p. Fulltext - Related data file(s) - Supplementary information

2021-06-09
08:52
 Observation of the mass difference between neutral charm-meson eigenstates / LHCb Collaboration A measurement of mixing and $C\!P$ violation in neutral charm mesons is performed using data reconstructed in proton-proton collisions collected by the LHCb experiment from 2016 to 2018, corresponding to an integrated luminosity of 5.4$\textrm{fb}^{-1}$. [...] arXiv:2106.03744 ; LHCb-PAPER-2021-009 ; CERN-EP-2021-099 ; LHCB-PAPER-2021-009. - 2021. - 20 p. Fulltext - Related data file(s) - Supplementary information

2021-05-31
09:00
 First measurement of the $CP$-violating phase in $B_s^0\to J/\psi(e^+e^-)\phi$ decays / LHCb Collaboration A flavour-tagged time-dependent angular analysis of $B^0_s\to J/\psi\phi$ decays is presented where the $J/\psi$ meson is reconstructed through its decay to an $e^+e^-$ pair. [...] arXiv:2105.14738 ; LHCb-PAPER-2020-042 ; CERN-EP-2021-064 ; LHCB-PAPER-2020-042. - 2021. - 28 p. Fulltext - Related data file(s) - Supplementary information

2021-05-31
08:49
 Branching fraction measurements of the rare $B^0_s\rightarrow\phi\mu^+\mu^-$ and $B^0_s\rightarrow f_2^\prime(1525)\mu^+\mu^-$ decays / LHCb Collaboration The branching fraction of the rare $B^0_s\rightarrow\phi\mu^+\mu^-$ decay is measured using data collected by the LHCb experiment at center-of-mass energies of $7$, $8$ and $13\,\rm{TeV}$, corresponding to an integrated luminosity of $9\,{\rm fb}^{-1}$. [...] arXiv:2105.14007 ; LHCb-PAPER-2021-014 ; CERN-EP-2021-092 ; LHCB-PAPER-2021-014. - 2021. - 22 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2021-05-21
11:32
 Search for time-dependent $C\!P$ violation in $D^0 \to K^+ K^-$ and $D^0 \to \pi^+ \pi^-$ decays / LHCb Collaboration A search for time-dependent violation of the charge-parity symmetry in $D^0 \to K^+ K^-$ and $D^0 \to \pi^+ \pi^-$ decays is performed at the LHCb experiment using proton-proton collision data recorded from 2015 to 2018 at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb$^{-1}$. [...] arXiv:2105.09889 ; LHCb-PAPER-2020-045 ; CERN-EP-2021-060 ; LHCB-PAPER-2020-045. - 2021. - 39 p. Fulltext - Related data file(s) - Fulltext - Supplementary information

2021-05-18
11:32
 Search for the doubly charmed baryon ${\it{\Omega}_{cc}^{+}}$ / LHCb Collaboration A search for the doubly charmed baryon $\it{\Omega}_{cc}^{+}$ with the decay mode $\it{\Omega}_{cc}^{+}\to\it{\Xi}_c^{+}K^{-}\pi^{+}$ is performed using proton-proton collision data at a centre-of-mass energy of 13$\mathrm{\,Te\kern -0.1em V}$ collected by the LHCb experiment from 2016 to 2018, corresponding to an integrated luminosity of $5.4\,\mathrm{fb}^{-1}$. [...] arXiv:2105.06841 ; LHCb-PAPER-2021-011 ; CERN-EP-2021-068 ; LHCB-PAPER-2021-011. - 2021. - 22 p, 22 p. Fulltext - Related data file(s) - Supplementary information - Fulltext