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1.
The LHCb upgrade I / LHCb Collaboration
The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. [...]
arXiv:2305.10515; LHCb-DP-2022-002.- 2024-05-23 - 232 p. - Published in : JINST 19 (2024) P05065 Fulltext: 2305.10515 - PDF; document - PDF;
In : The Large Hadron Collider and The Experiments for Run 3
2.
The SHiP experiment at the proposed CERN SPS Beam Dump Facility / SHiP Collaboration
The Search for Hidden Particles (SHiP) Collaboration has proposed a general-purpose experimental facility operating in beam-dump mode at the CERN SPS accelerator to search for light, feebly interacting particles. The SHiP experiment incorporates two complementary detectors. [...]
arXiv:2112.01487.- 2022-05-26 - 23 p. - Published in : Eur. Phys. J. C 82 (2022) 486 Fulltext: document - PDF; 2112.01487 - PDF;
3.
Track reconstruction and matching between emulsion and silicon pixel detectors for the SHiP-charm experiment / SHiP Collaboration
In July 2018 an optimization run for the proposed charm cross section measurement for SHiP was performed at the CERN SPS. A heavy, moving target instrumented with nuclear emulsion films followed by a silicon pixel tracker was installed in front of the Goliath magnet at the H4 proton beamline. [...]
arXiv:2112.11754.- 2022-03-16 - 14 p. - Published in : JINST Fulltext: 2112.11754 - PDF; document - PDF;
4.
Centrality determination in heavy-ion collisions with the LHCb detector / LHCb Collaboration
The centrality of heavy-ion collisions is directly related to the medium created therein. A procedure to determine the centrality of collisions with the LHCb detector is implemented for lead-lead collisions at $\sqrt{s_{\scriptscriptstyle\text{NN}}}=5\, \mathrm{TeV}$ and lead-neon fixed-target collisions at $\sqrt{s_{\scriptscriptstyle\text{NN}}}=69\, \mathrm{GeV}$. [...]
arXiv:2111.01607; CERN-LHCb-DP-2021-002.- 2022-05-05 - 31 p. - Published in : JINST 17 (2022) P05009 Fulltext: 2111.01607 - PDF; document - PDF;
5.
Search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ in the $\it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ final state / LHCb Collaboration
A search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ is performed in the $\it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ invariant-mass spectrum, where the $\it{\Xi}_{c}^{+}$ baryon is reconstructed in the $p K^{-} \pi^{+}$ final state. The study uses proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 13$\mathrm{\,Te\kern -0.1em V}$, corresponding to a total integrated luminosity of 5.4$\,\mathrm{fb}^{-1}$. [...]
arXiv:2109.07292; LHCb-PAPER-2021-019; CERN-EP-2021-155; LHCB-PAPER-2021-019.- Geneva : CERN, 2021-12-16 - 27 p. - Published in : JHEP 2112 (2021) 107 Fulltext: LHCb-PAPER-2021-019 - PDF; 2109.07292 - PDF; document - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
6.
Measurement of the lifetimes of promptly produced $\Omega^{0}_{c}$ and $\Xi^{0}_{c}$ baryons / LHCb Collaboration
A measurement of the lifetimes of the $\Omega^{0}_{c}$ and $\Xi^{0}_{c}$ baryons is reported using proton--proton collision data at a centre-of-mass energy of $13\ \text{TeV}$, corresponding to an integrated luminosity of $5.4\ \text{fb}^{-1}$ collected by the LHCb experiment. The $\Omega^{0}_{c}$ and $\Xi^{0}_{c}$ baryons are produced directly from proton interactions and reconstructed in the $pK^{-}K^{-}\pi^{+}$ final state. [...]
arXiv:2109.01334; LHCb-PAPER-2021-021; CERN-EP-2021-167; LHCB-PAPER-2021-021.- Geneva : CERN, 2022-03-15 - 9 p. - Published in : Sci. Bull. 67 (2022) 479-487 Fulltext: LHCb-PAPER-2021-021 - PDF; 2109.01334 - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Updated search for $B_c^+$ decays to two charm mesons / LHCb Collaboration
A data set corresponding to an integrated luminosity of $9 \text{\, fb}^{-1}$ of proton-proton collisions collected by the LHCb experiment has been analysed to search for $B_c^+ \to D^{(*)+}_{(s)} (\overline{D})^{(*)0}$ decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. [...]
arXiv:2109.00488; LHCb-PAPER-2021-023; CERN-EP-2021-154; LHCB-PAPER-2021-023.- Geneva : CERN, 2021 - 23 p. - Published in : JHEP 2112 (2021) 117 Fulltext: LHCb-PAPER-2021-023 - PDF; 2109.00488 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Measurement of $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=5$ TeV / LHCb Collaboration
The production cross-sections of $J/\psi$ mesons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=5$ TeV are measured using a data sample corresponding to an integrated luminosity of $9.13\pm0.18~\text{pb}^{-1}$, collected by the LHCb experiment. The cross-sections are measured differentially as a function of transverse momentum, $p_{\text{T}}$, and rapidity, $y$, and separately for $J/\psi$ mesons produced promptly and from beauty hadron decays (nonprompt). [...]
arXiv:2109.00220; LHCb-PAPER-2021-020; CERN-EP-2021-156; LHCB-PAPER-2021-020.- Geneva : CERN, 2021 - 34 p. - Published in : JHEP 2111 (2021) 181 Fulltext: LHCb-PAPER-2021-020 - PDF; 2109.00220 - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
9.
Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in $p-Pb$ and $pp$ Collisions at $\sqrt {s_{NN}}$=5  TeV / LHCb Collaboration
The production of prompt charged particles in proton-lead collisions and in proton-proton collisions at the nucleon-nucleon centre-of-mass energy ${\sqrt{s_{\scriptscriptstyle\mathrm{NN}}}=5\,\mathrm{TeV}}$ is studied at LHCb as a function of pseudorapidity ($\eta$) and transverse momentum ($p_{\mathrm{T}}$) with respect to the proton beam direction. The nuclear modification factor for charged particles is determined as a function of $\eta$ between ${-4.8<\eta<-2.5}$ (backward region) and ${2.0<\eta<4.8}$ (forward region), and $p_{\mathrm{T}}$ between ${0.2< p_{\mathrm{T}}<8.0 \mathrm{GeV}/c}$. [...]
arXiv:2108.13115; LHCb-PAPER-2021-015; CERN-EP-2021-130; LHCB-PAPER-2021-015.- Geneva : CERN, 2022-04-07 - 12 p. - Published in : Phys. Rev. Lett. 128 (2022) 142004 Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Measurement of the $B^0_s\to\mu^+\mu^-$ decay properties and search for the $B^0\to\mu^+\mu^-$ and $B^0_s\to\mu^+\mu^-\gamma$ decays / LHCb Collaboration
An improved measurement of the decay $B^0_s\to\mu^+\mu^-$ and searches for the decays $B^0\to\mu^+\mu^-$ and $B^0_s\to\mu^+\mu^-\gamma$ are performed at the LHCb experiment using data collected in proton-proton collisions at $\sqrt{s} = 7,~8$ and $13$ TeV, corresponding to integrated luminosities of 1, 2 and 6 fb$^{-1}$, respectively. The $B^0_s\to\mu^+\mu^-$ branching fraction and effective lifetime are measured to be ${\mathcal{B}}(B^0_s\to\mu^+\mu^-)=\left(3.09^{+0.46+0.15}_{-0.43-0.11}\right)\times 10^{-9}$ and $\tau(B^0_s\to\mu^+\mu^-)=(2.07\pm 0.29\pm 0.03)$ ps, respectively, where the uncertainties include both statistical and systematic contributions. [...]
arXiv:2108.09283; CERN-EP-2021-133; LHCb-PAPER-2021-008; LHCB-PAPER-2021-008.- 2022-01-01 - 52 p. - Published in : Phys. Rev. D 105 (2022) 012010 Fulltext: 2108.09283 - PDF; PhysRevD.105.012010 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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