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LHCb Papers

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2024-05-22
12:15
Study of $b-$hadron decays to $\Lambda_c^+h^-h^{\prime -}$ final states
Decays of $\Xi_{b}^{-}$ and $\Omega_{b}^{-}$ baryons to $\Lambda_{c}^{+} h^- h^{\prime -}$ final states, with $h^- h^{\prime -}$ being $\pi^{-}\pi^{-}$, $K^{-}\pi^{-}$ and $K^{-}K^{-}$ meson pairs, are searched for using data collected with the LHCb detector. [...]
CERN-EP-2024-116 ; LHCB-PAPER-2024-013.
- 2024.
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2024-05-22
10:23
Search for the lepton-flavor violating decay $B_s^0\to \phi \mu^\pm \tau^\mp$
A search for the lepton-flavor violating decays $B^0_s\to\phi\mu^\pm\tau^\mp$ is presented, using a sample of proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of $9\,\text{fb}^{-1}$. [...]
CERN-EP-2024-114 ; LHCB-PAPER-2024-006.
- 2024.
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2024-05-21
17:12
Transverse polarisation measurement of $\Lambda$ hyperons in $p$Ne collisions at $\sqrt{s_{NN}}$=68.4 GeV with the LHCb detector
A measurement of the transverse polarization of the $\Lambda$ and $\bar{\Lambda}$hyperons in $p$Ne fixed-target collisions at $\sqrt{s_{NN}}$=68.4 GeV is presented using data collected by the LHCb detector. [...]
CERN-EP-2024-121 ; LHCB-PAPER-2024-009.
- 2024.
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2024-05-13
11:52
Search for time-dependent $CP$ violation in $D^0\to \pi^+\pi^-\pi^0$ decays / LHCb Collaboration
A measurement of time-dependent $CP$ violation in $D^0 \rightarrow \pi^+ \pi^- \pi^0$ decays using a $pp$ collision data sample collected by the LHCb experiment in 2012 and from 2015 to 2018, corresponding to an integrated luminosity of 7.7$\,\mathrm{fb}^{-1}$, is presented. [...]
arXiv:2405.06556 ; LHCb-PAPER-2024-003 ; CERN-EP-2024-111 ; LHCB-PAPER-2024-003.
- 2024. - 19 p.
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2024-05-02
15:37
First observation of $Λ_{b}^{0} \rightarrow Σ_c^{(*)++} D^{(*)-} K^{-}$ decays / LHCb Collaboration
The four decays, $\Lambda_{b}^{0} \rightarrow \Sigma_c^{(*)++} D^{(*)-} K^{-}$, are observed for the first time using proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of $13\,\rm{TeV}$, corresponding to an integrated luminosity of $6\,\rm{fb}^{-1}$. [...]
arXiv:2404.19510 ; LHCb-PAPER-2023-044 ; CERN-EP-2024-098.
- 2024. - 21 p.
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2024-05-02
11:55
Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-}D_{s}^{+}\pi^{+}$ decays / LHCb Collaboration
The decays of the $B^{+}$ meson to the final state $D^{*-}D^{+}_{s}\pi^{+}$ are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2405.00098 ; LHCb-PAPER-2024-001 ; CERN-EP-2024-110.
- 2024. - 41 p.
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2024-04-11
09:27
Search for prompt production of pentaquarks in open charm hadron final states / LHCb Collaboration
A search for hidden-charm pentaquark states decaying to a range of $\Sigma_{c}\bar{D}$ and $\Lambda_{c}^{+}\bar{D}$ final states, as well as doubly-charmed pentaquark states to $\Sigma_{c}D$ and $\Lambda_{c}^{+}D$, is made using samples of proton-proton collision data corresponding to an integrated luminosity of $5.7fb^{-1}$ recorded by the LHCb detector at $\sqrt{s} = 13 Te\kern -0.1em V$. [...]
arXiv:2404.07131 ; LHCb-PAPER-2023-018 ; CERN-EP-2024-071 ; LHCB-PAPER-2023-018.
- 2024. - 29 p.
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2024-04-05
15:16
Observation and branching fraction measurement of the decay $\Xi_b^- \to \Lambda_b^0 \pi^-$ / LHCb Collaboration
The decay $\Xi_b^-\to\Lambda_b^0\pi^-$ is observed using a proton-proton collision data sample collected at center-of-mass energy $\sqrt{s}=13$ TeV with the LHCb detector, corresponding to an integrated luminosity of 5.5 fb$^{-1}$. This process is mediated by the $s\to u\bar{u}d$ quark-level transition, where the $b$ quark in the $\Xi_b^-$ baryon is a spectator in the decay. [...]
arXiv:2307.09427; LHCb-PAPER-2023-015; CERN-EP-2023-116; LHCB-PAPER-2023-015.- Geneva : CERN, 2023-10-01 - 16 p. - Published in : Phys. Rev. D 108 (2023) 072002 Fulltext: 2307.09427 - PDF; Publication - PDF; Xib2LbPi_2023_14Aug2023 - PDF; External link: Previous draft version

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2024-03-07
13:59
Amplitude analysis of the $\Lambda_b^0\to pK^-\gamma$ decay / LHCb Collaboration
The resonant structure of the radiative decay $\Lambda_b^0\to pK^-\gamma$ in the region of proton-kaon invariant-mass up to 2.5 GeV$/c^2$ is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2403.03710 ; LHCb-PAPER-2023-036 ; CERN-EP-2023-253 ; LHCB-PAPER-2023-036.
- 2024. - 39 p.
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2024-03-06
14:45
First observation of the $\Lambda^0_b \to D^+ D^- \Lambda$ decay / LHCb Collaboration
The $\Lambda^0_b \to D^+ D^- \Lambda$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of $13 \mathrm{TeV}$, corresponding to an integrated luminosity of $5.3 \mathrm{fb}^{-1}$. [...]
arXiv:2403.03586 ; LHCb-PAPER-2023-042 ; CERN-EP-2024-041 ; LHCB-PAPER-2023-042.
- 2024. - 23 p.
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