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1.
The LHCb VELO Upgrade module construction / Akiba, K. (NIKHEF, Amsterdam) ; Alexander, M. (Glasgow U.) ; Bertella, C. (Manchester U.) ; Biolchini, A. (NIKHEF, Amsterdam) ; Bitadze, A. (Manchester U.) ; Bogdanova, G. (Higher Sch. of Economics, Moscow) ; Borghi, S. (Manchester U.) ; Bowcock, T.J.V. (Liverpool U.) ; Bridges, K. (Liverpool U.) ; Brock, M. (Oxford U.) et al.
The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex information. [...]
arXiv:2404.13615; LHCb-DP-2024-001; LHCb-PAPER-2024-001.- 2024-06-17 - 66 p. - Published in : JINST 19 (2024) P06023 Fulltext: 2404.13615 - PDF; Publication - PDF;
2.
ARIADNE -- A Novel Optical LArTPC: Technical Design Report and Initial Characterisation using a Secondary Beam from the CERN PS and Cosmic Muons / Hollywood, D. (Liverpool U.) ; Majumdar, K. (Liverpool U.) ; Mavrokoridis, K. (Liverpool U.) ; Mccormick, K.J. (Liverpool U.) ; Philippou, B. (Liverpool U.) ; Powell, S. (Liverpool U.) ; Roberts, A. (Liverpool U.) ; Smith, N.A. (Liverpool U.) ; Stavrakis, G. (Liverpool U.) ; Touramanis, C. (Liverpool U.) et al.
ARIADNE is a 1-ton (330 kg fiducial mass) dual-phase liquid argon (LAr) time projection chamber (TPC) featuring a novel optical readout. Four electron-multiplying charge-coupled device (EMCCD) cameras are mounted externally, and these capture the secondary scintillation light produced in the holes of a thick electron gas multiplier (THGEM). [...]
arXiv:1910.03406.- 2020-03-02 - 60 p. - Published in : JINST 15 (2020) P03003 Fulltext: fulltext1758022 - PDF; 1910.03406 - PDF;
3.
Mapping the material in the LHCb vertex locator using secondary hadronic interactions / Alexander, M. (Glasgow U.) ; Barter, W. (Manchester U.) ; Bay, A. (Ecole Polytechnique, Lausanne) ; Bel, L.J. (NIKHEF, Amsterdam) ; van Beuzekom, M. (NIKHEF, Amsterdam) ; Bogdanova, G. (SINP, Moscow) ; Borghi, S. (Manchester U.) ; Bowcock, T.J.V. (Liverpool U.) ; Buchanan, E. (Bristol U.) ; Buytaert, J. (CERN) et al.
Precise knowledge of the location of the material in the LHCb vertex locator (VELO) is essential to reducing background in searches for long-lived exotic particles, and in identifying jets that originate from beauty and charm quarks. Secondary interactions of hadrons produced in beam-gas collisions are used to map the location of material in the VELO. [...]
arXiv:1803.07466; CERN-LHCb-DP-2018-002; CERN-LHCB-DP-2018-002.- 2018-06-13 - 11 p. - Published in : JINST 13 (2018) P06008 Fulltext: PDF; Fulltext from Publisher: PDF; External link: Figures, tables and other information
4.
ARIADNE, a Photographic LAr TPC at the CERN Neutrino Platform / Mavrokoridis, K (University of Liverpool) ; McCormick, K J (University of Liverpool) ; Nessi, M (CERN) ; Roberts, A (University of Liverpool) ; Smith, N A (University of Liverpool) ; Touramanis, C (University of Liverpool)
This letter of intent describes a novel and innovative two-phase LAr TPC with photographic capabilities as an attractive alternative readout method to the currently accepted segmented THGEMs which will require many thousands of charge readout channels for kton-scale two-phase TPCs. [...]
CERN-SPSC-2016-008 ; SPSC-I-244.
- 2016.
Fulltext
5.
Observation of charmonium pairs produced exclusively in pp collisions / LHCb collaboration
A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of 3 fb1 collected at centre-of-mass energies of 7 and 8 TeV, J/ψJ/ψ and J/ψψ(2S) pairs are observed, which have been produced in the absence of any other activity inside the LHCb acceptance that is sensitive to charged particles in the pseudorapidity ranges (3.5,1.5) and (1.5,5.0). [...]
arXiv:1407.5973; CERN-PH-EP-2014-174; LHCB-PAPER-2014-027; LHCB-PAPER-2014-027; CERN-PH-EP-2014-174.- Geneva : CERN, 2014-09-19 - 20 p. - Published in : J. Phys. G 41 (2014) 115002 Fulltext: PDF; IOP Open Access article: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
6.
Effective lifetime measurements in the Bs0K+K, B0K+π and Bs0π+K decays / LHCb collaboration
Measurements of the effective lifetimes in the Bs0K+K, B0K+π and Bs0π+K decays are presented using 1.0 fb1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. [...]
arXiv:1406.7204; CERN-PH-EP-2014-127; LHCB-PAPER-2014-011; CERN-PH-EP-2014-127; LHCB-PAPER-2014-011.- Geneva : CERN, 2014-09-07 - 9 p. - Published in : Phys. Lett. B 736 (2014) 446-454 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
7.
Observation of Z production in proton-lead collisions at LHCb / LHCb collaboration
The first observation of Z boson production in proton-lead collisions at a centre-of-mass energy per proton-nucleon pair of sNN=5 TeV is presented. The data sample corresponds to an integrated luminosity of 1.6 nb1 collected with the LHCb detector. [...]
arXiv:1406.2885; CERN-PH-EP-2014-126; LHCB-PAPER-2014-022; CERN-PH-EP-2014-126; LHCB-PAPER-2014-022.- Geneva : CERN, 2014 - 18 p. - Published in : JHEP 09 (2014) 030 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
8.
Search for CP violation in D±KS0K± and Ds±KS0π± decays / LHCb collaboration
A search for CP violation in Cabibbo-suppressed D±KS0K± and Ds±KS0π± decays is performed using pp collision data, corresponding to an integrated luminosity of 3~fb1, recorded by the LHCb experiment. The individual CP-violating asymmetries are measured to be ACPD±KS0K±=(+0.03±0.17±0.14)%ACPDs±KS0π±=(+0.38±0.46±0.17)%, assuming that CP violation in the Cabibbo-favoured decays is negligible. [...]
arXiv:1406.2624; CERN-PH-EP-2014-125; LHCB-PAPER-2014-018; LHCB-PAPER-2014-018; CERN-PH-EP-2014-125.- Geneva : CERN, 2014-10-03 - 19 p. - Published in : JHEP 10 (2014) 025 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF;
9.
Performance of the LHCb Vertex Locator / Aaij, R. (Nikhef, Amsterdam) ; Affolder, A. (Liverpool U.) ; Akiba, K. (UFRJ, Rio de Janeiro) ; Alexander, M. (Glasgow U.) ; Ali, S. (Nikhef, Amsterdam) ; Appleby, R.B. (Manchester U.) ; Artuso, M. (Syracuse U. (main)) ; Bates, A. (Glasgow U.) ; Bay, A. (Ecole Polytechnique, Lausanne) ; Behrendt, O. (CERN) et al. /LHCb VELO Group
The Vertex Locator (VELO) is a silicon microstrip detector that surrounds the proton-proton interaction region in the LHCb experiment. The performance of the detector during the first years of its physics operation is reviewed. [...]
arXiv:1405.7808; CERN-LHCB-DP-2014-001.- 2014 - 61 p. - Published in : JINST 9 (2014) P09007 Fulltext: arXiv:1405.7808 - PDF; 10.1088_1748-0221_9_09_P09007 - PDF; IOP Open Access article: PDF; External link: Preprint
10.
Study of the kinematic dependences of Λb0 production in pp collisions and a measurement of the Λb0Λc+π branching fraction / LHCb collaboration
The kinematic dependences of the relative production rates, fΛb0/fd, of Λb0 baryons and B¯0 mesons are measured using Λb0Λc+π and B¯0D+π decays. The measurements use proton-proton collision data, corresponding to an integrated luminosity of 1 fb1 at a centre-of-mass energy of 7 TeV, recorded in the forward region with the LHCb experiment. [...]
arXiv:1405.6842; CERN-PH-EP-2014-106; LHCB-PAPER-2014-004; CERN-PH-EP-2014-106; LHCB-PAPER-2014-004.- Geneva : CERN, 2014 - 19 p. - Published in : JHEP 08 (2014) 143 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; Supplementary related data file(s): ZIP; External link: Preprint

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