CERN Accelerating science

CERN Document Server 2,039 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 26.28 sekúnd. 
1.
Advancements in experimental techniques for measuring dipole moments of short-lived particles at the LHC / Neri, N (INFN, Milan ; Milan U. ; CERN) ; Akiba, K (NIKHEF, Amsterdam) ; Alessio, F (CERN) ; Bandiera, L (INFN, Ferrara) ; Benettoni, M (INFN, Padua ; Padua U.) ; Cai, R (CERN) ; Cardinale, R (Genoa U.) ; Cesare, S (INFN, Milan ; Milan U.) ; Citterio, M (INFN, Milan ; Milan U.) ; Coco, V (CERN) et al.
ALADDIN is a proposed fixed-target experiment at the LHC for the direct measurement of charm baryon dipole moments. The detector features a spectrometer and a Cherenkov detector, while the experimental technique is based on the phenomena of particle channelling and spin precession in bent crystals. [...]
2024 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1069 (2024) 169875 Fulltext: PDF;
In : 16th Pisa Meeting on Advanced Detectors (Pisameet 2024), La Biodola, Isola D'elba, Italy, 26 May - 1 Jun 2024, pp.169875
2.
Study of B0sJ/ψπ+πK+K decays / LHCb Collaboration
The decays B0sJ/ψπ+πK+K are studied using a data set corresponding to an integrated luminosity of 9 fb1, collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. The decays B0sJ/ψK0¯K0 and B0sχc1(3872)K+K, where the K+K pair does not originate from a ϕ meson, are observed for the first time [...]
arXiv:2011.01867; LHCb-PAPER-2020-35; CERN-EP-2020-192; LHCB-PAPER-2020-035.- Geneva : CERN, 2021-02-02 - 34 p. Article from SCOAP3: PDF; Fulltext: 2011.01867 - PDF; LHCb-PAPER-2020-035 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
3.
Measurement of the CKM angle γ in B±DK± and B±Dπ± decays with DK0Sh+h / LHCb Collaboration
A measurement of CP-violating observables is performed using the decays B±DK± and B±Dπ±, where the D meson is reconstructed in one of the self-conjugate three-body final states K0Sπ+π and K0SK+K (commonly denoted K0Sh+h). The decays are analysed in bins of the D-decay phase space, leading to a measurement that is independent of the modelling of the D-decay amplitude. [...]
arXiv:2010.08483; LHCb-PAPER-2020-019; CERN-EP-2020-175; LHCB-PAPER-2020-019.- Geneva : CERN, 2021-02-19 - 36 p. - Published in : JHEP 2102 (2021) 169 Article from SCOAP3: PDF; Fulltext: 2010.08483 - PDF; LHCb-PAPER-2020-019_arxiv_submission - PDF; Related data files: ZIP; Supplementary information: ZIP;
4.
Search for heavy neutral leptons in W+μ+μ±jet decays / LHCb Collaboration
A search is performed for heavy neutrinos in the decay of a W boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately 3.0 fb1 of proton-proton collision data at centre-of-mass energies of 7 and 8 TeV collected with the LHCb experiment. [...]
arXiv:2011.05263; LHCb-PAPER-2020-022; CERN-EP-2020-194; LHCB-PAPER-2020-022.- Geneva : CERN, 2021-03-22 - 15 p. - Published in : Eur. Phys. J. C 81 (2021) 248 Article from SCOAP3: PDF; Fulltext: 2011.05263 - PDF; LHCb-PAPER-2020-022 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
5.
Measurement of differential b¯b- and c¯c-dijet cross-sections in the forward region of pp collisions at s=13 TeV / LHCb Collaboration
The inclusive b¯b- and c¯c-dijet production cross-sections in the forward region of pp collisions are measured using a data sample collected with the LHCb detector at a centre-of-mass energy of 13 TeV in 2016. The data sample corresponds to an integrated luminosity of 1.6 fb1. [...]
arXiv:2010.09437; LHCb-PAPER-2020-018; CERN-EP-2020-174; LHCB-PAPER-2020-018.- Geneva : CERN, 2021-02-02 - 37 p. - Published in : JHEP 2102 (2021) 023 Article from SCOAP3: PDF; Fulltext: 2010.09437 - PDF; bb_cc_Run2_paper_v11 - PDF; Related data file(s): ZIP;
6.
Observation of multiplicity-dependent prompt χc1(3872) and ψ(2S) production in pp collisions / LHCb Collaboration
The production of χc1(3872) and ψ(2S) hadrons is studied as a function of charged particle multiplicity in pp collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 2 fb1. For both states, the fraction that is produced promptly at the collision vertex is found to decrease as charged particle multiplicity increases. [...]
arXiv:2009.06619; LHCb-PAPER-2020-023; CERN-EP-2020-161; LHCB-PAPER-2020-023.- Geneva : CERN, 2021-03-06 - 11 p. - Published in : Phys. Rev. Lett. 126 (2021) 092001 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP;
7.
Search for long-lived particles decaying to e±μν / LHCb Collaboration
Long-lived particles decaying to e±μν, with masses between 7 and 50 GeV/c2 and lifetimes between 2 and 50 ps, are searched for by looking at displaced vertices containing electrons and muons of opposite charges. The search is performed using 5.4 fb1 of pp collisions collected with the LHCb detector at a centre-of-mass energy of s=13 TeV. [...]
arXiv:2012.02696; LHCb-PAPER-2020-027; CERN-EP-2020-212.- Geneva : CERN, 2021-03-26 - 16 p. - Published in : Eur. Phys. J. C 81 (2021) 261 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Observation of the Λ0bΛ+cK+Kπ decay / LHCb Collaboration
The Λ0bΛ+cK+Kπ decay is observed for the first time using a data sample of proton-proton collisions at centre-of-mass energies of s=7 and 8 TeV collected by the LHCb detector, corresponding to an integrated luminosity of 3fb1. The ratio of branching fractions between the Λ0bΛ+cK+Kπ and the Λ0bΛ+cDs decays is measured to be B(Λ0bΛ+cK+Kπ)B(Λ0bΛ+cDs)=(9.26±0.29±0.46±0.26)×102, where the first uncertainty is statistical, the second systematic and the third is due to the knowledge of the DsK+Kπ branching fraction. [...]
arXiv:2011.13738; LHCb-PAPER-2020-028; CERN-EP-2020-209; LHCB-PAPER-2020-028; LHCB-PAPER-2020-028.- Geneva : CERN, 2021-04-10 - 20 p. - Published in : Phys. Lett. B 815 (2021) 136172 Article from SCOAP3: PDF; Fulltext: PAPER-LHCb-2020-028-arXiv - PDF; 2011.13738 - PDF; Related data file(s): ZIP;
9.
Observation of the B0sD±D decay / LHCb Collaboration
A search for the B0sD±D decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13TeV collected by the LHCb experiment, corresponding to an integrated luminosity of 9fb1. The decay is observed with a high significance and its branching fraction relative to the B0D±D decay is measured to be B(B0sD±D)B(B0D±D)=0.137±0.017±0.002±0.006, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the B0s and B0 hadronisation fractions..
arXiv:2012.11341; LHCb-PAPER-2020-037; CERN-EP-2020-230.- 2021-03-09 - 19 p. - Published in : JHEP 2103 (2021) 099 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Search for the rare decay B0J/ψϕ / LHCb Collaboration
A search for the rare decay B0J/ψϕ 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 fb1. No significant signal of the decay is observed and an upper limit of 1.1×107 at 90% confidence level is set on the branching fraction..
arXiv:2011.06847; LHCb-PAPER-2020-033; CERN-EP-2020-204; LHCB-PAPER-2020-033.- 2021-03-18 - 14 p. - Published in : Chin. Phys. C 45 (2021) 043001 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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