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CERN Accelerating science

CERN Document Server 2,049 registres trobats  1 - 10següentfinal  anar al registre: La cerca s'ha fet en 2.28 segons. 
1.
The Large Hadron-Electron Collider at the HL-LHC / FCC-he Study Group Collaboration
The Large Hadron electron Collider, LHeC, is the means to move deep inelastic physics following HERA to the energy frontier of particle physics as it is being exploited by the HL-LHC. The paper presents a thorough update of the initial LHeC Conceptual Design Report (CDR) published in 2012. [...]
arXiv:2007.14491; CERN-ACC-Note-2020-0002; JLAB-ACP-20-3180.- Geneva : CERN, 2021-12-20 - 364 p. - Published in : J. Phys. G 48 (2021) 110501 Fulltext: arXiv:2007.14491 - PDF; 2007.14491 - PDF; Fulltext from Publisher: PDF; Preprint: PDF; External link: JLab Document Server
2.
Search for rare decays of $D^0$ mesons into two muons / LHCb Collaboration
A search for the very rare $D^0 \to \mu^+\mu^-$ decay is performed using data collected by the LHCb experiment in proton-proton collisions at $\sqrt{s} = 7$, 8 and $13~\rm{TeV}$, corresponding to an integrated luminosity of $9~\rm{fb^{-1}}$. The search is optimised for $D^0$ mesons from $D^{\ast+}\to D^0\pi^+$ decays but is also sensitive to $D^0$ mesons from other sources. [...]
arXiv:2212.11203; LHCb-PAPER-2022-029; CERN-EP-2022-273.- 2023-07-26 - 13 p. - Published in : Phys. Rev. Lett. 131 (2023) 041804 Fulltext: PDF;
3.
The HEV Ventilator / Buytaert, J (European Organization for Nuclear Research (CERN), CH-1211 Genève 23, Switzerland) ; Collins, P (European Organization for Nuclear Research (CERN), CH-1211 Genève 23, Switzerland) ; Abed Abud, A (European Organization for Nuclear Research (CERN), CH-1211 Genève 23, Switzerland) ; Allport, P (Particle Physics Group, School of Physics and Astronomy, University of Birmingham, B15 2TT, United Kingdom) ; Pazos Alvarez, A (Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, 15782 Galicia, Spain) ; Akiba, K (Nikhef National Institute for Subatomic Physics, Amsterdam, 1098 XG, Netherlands) ; Augusto de Aguiar Francisco, O (European Organization for Nuclear Research (CERN), CH-1211 Genève 23, Switzerland) ; Bay, A (Institute of Physics, Ecole Polytechnique Federale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland) ; Bernard, F (Institute of Physics, Ecole Polytechnique Federale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland) ; Baron, S (European Organization for Nuclear Research (CERN), CH-1211 Genève 23, Switzerland) et al.
HEV is a low-cost, versatile, high-quality ventilator, which has been designed in response to the COVID-19 pandemic. The ventilator is intended to be used both in and out of hospital intensive care units, and for both invasive and non-invasive ventilation. [...]
EP-Tech-Note-2020-002.- Geneva : CERN, 2020 - 8 p. Fulltext: PDF;
4.
Amplitude analysis of $B^0 \rightarrow \overline{D}^0 D_s^+ \pi^-$ and $B^+ \rightarrow D^- D_s^+ \pi^+$ decays / LHCb Collaboration
Resonant contributions in $B^0 \rightarrow \overline{D}{}^0 D^+_s\pi^-$ and $B^+\rightarrow D^- D^+_s\pi^+$ decays are determined with an amplitude analysis, which is performed both separately and simultaneously, where in the latter case isospin symmetry between the decays is assumed. The analysis is based on data collected by the LHCb detector in proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV. [...]
arXiv:2212.02717; LHCb-PAPER-2022-027; CERN-EP-2022-246.- Geneva : CERN, 2023-07-01 - 30 p. - Published in : Phys. Rev. D 108 (2023) 012017 Fulltext: 2212.02717 - PDF; LHCb-PAPER-2022-027 - PDF; Publication - PDF; Related data file(s): ZIP;
5.
Test of lepton universality in $b \rightarrow s \ell^+ \ell^-$ decays / LHCb Collaboration
The first simultaneous test of muon-electron universality using $B^{+}\rightarrow K^+\ell^+ \ell^−$ and $B^{0} \rightarrow K^{*0} \ell^{+} \ell^{−}$ decays is performed, in two ranges of the dilepton invariant-mass squared, $q^{2}$. The analysis uses beauty mesons produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of 9 $\mathrm{fb}^{-1}$. [...]
arXiv:2212.09152; LHCb-PAPER-2022-046; CERN-EP-2022-277.- Geneva : CERN, 2023-08-02 - 13 p. - Published in : Phys. Rev. Lett. 131 (2023) 051803 Fulltext: 2212.09152 - PDF; Publication - PDF; LHCb-PAPER-2022-046 - PDF; Related data file(s): ZIP;
6.
First observation of a doubly charged tetraquark and its neutral partner / LHCb Collaboration
A combined amplitude analysis is performed for the decays $B^0 \rightarrow \overline{D}{}^0 D^+_s\pi^-$ and $B^+\rightarrow D^- D^+_s\pi^+$, which are related by isospin symmetry. The analysis is based on data collected by the LHCb detector in proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV. [...]
arXiv:2212.02716; LHCb-PAPER-2022-026; CERN-EP-2022-239.- Geneva : CERN, 2023-07-27 - 12 p. - Published in : Phys. Rev. Lett. 131 (2023) 041902 Fulltext: Publication - PDF; LHCb-PAPER-2022-026 - PDF; 2212.02716 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Measurement of lepton universality parameters in $B^+\to K^+\ell^+\ell^-$ and $B^0\to K^{*0}\ell^+\ell^-$ decays / LHCb Collaboration
A simultaneous analysis of the $B^+\to K^+\ell^+\ell^-$ and $B^0\to K^{*0}\ell^+\ell^-$ decays is performed to test muon-electron universality in two ranges of the square of the dilepton invariant mass, $q^2$. The measurement uses a sample of beauty meson decays produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of $9$ $\text{fb}^{-1}$. [...]
arXiv:2212.09153; LHCb-PAPER-2022-045; CERN-EP-2022-278.- Geneva : CERN, 2023-08-01 - 46 p. - Published in : Phys. Rev. D 108 (2023) 032002 Fulltext: 2212.09153 - PDF; LHCb-PAPER-2022-045 - PDF; Publication - PDF; Related data file(s): ZIP;
8.
Observation of a $J/\psi\Lambda$ resonance consistent with a strange pentaquark candidate in $B^-\to J/\psi\Lambda\bar{p}$ decays / LHCb Collaboration
An amplitude analysis of $J/\psi\Lambda$ decays is performed using about 4400 signal candidates selected on a data sample of $pp$ collisions recorded at center-of-mass energies of 7, 8 and 13 TeV with the LHCb detector, corresponding to an integrated luminosity of 9 fb$^{-1}$. A narrow resonance in the $J/\psi\Lambda$ system, consistent with a pentaquark candidate with strangeness, is observed with high significance. [...]
arXiv:2210.10346; CERN-EP-2022-198; LHCb-PAPER-2022-031.- Geneva : CERN, 2023-07-17 - 11 p. - Published in : Phys. Rev. Lett. 131 (2023) 031901 Cover note: ZIP; Fulltext: 2210.10346 - PDF; Publication - PDF; Supplementary information: ZIP;
9.
Search for $K^0_{\mathrm{S(L)}}\to\mu^+\mu^-\mu^+\mu^-$ decays at LHCb / LHCb Collaboration
A search for $K_{\textrm{S(L)}}^0\rightarrow\mu^{+}\mu^{-}\mu^{+}\mu^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1 $\text{fb}^{-1}$. No evidence for signal is found. [...]
arXiv:2212.04977; CERN-EP-2022-255; LHCb-PAPER-2022-035; LHCB-PAPER-2022-035.- Geneva : CERN, 2023-08-01 - 12 p. - Published in : Phys. Rev. D 108 (2023) L031102 Fulltext: 2212.04977 - PDF; Publication - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Unleashing the full power of LHCb to probe Stealth New Physics / Borsato, M. (Heidelberg U.) ; Cid Vidal, X. (Santiago de Compostela U., IGFAE) ; Tsai, Y. (Maryland U. ; Notre Dame U.) ; Vázquez Sierra, C. (CERN) ; Zurita, J. (Valencia U., IFIC) ; Alonso-Álvarez, G. (McGill U.) ; Boyarsky, A. (Cosine, Leiden) ; Brea Rodríguez, A.  (Santiago de Compostela U., IGFAE) ; Buarque Franzosi, D. (Goteborg, ITP) ; Cacciapaglia, G. (Lyon U. ; IP2I, Lyon) et al.
In this paper, we describe the potential of the LHCb experiment to detect Stealth physics. This refers to dynamics beyond the Standard Model that would elude searches that focus on energetic objects or precision measurements of known processes. [...]
arXiv:2105.12668; FERMILAB-PUB-21-343-T .- 2022-02-16 - 45 p. - Published in : Rep. Prog. Phys. 85 (2022) 024201 Fulltext: 2105.12668 - PDF; fermilab-pub-21-343-t - PDF; External link: Fermilab Accepted Manuscript

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