2024-07-23
04:13 |
High-density gas target at the LHCb experiment
/ Boente Garcia, O. (LLR, Palaiseau) ; Bregliozzi, G. (CERN) ; Calegari, D. (CERN) ; Carassiti, V. (INFN, Ferrara) ; Ciullo, G. (INFN, Ferrara ; Ferrara U.) ; Coco, V. (CERN) ; Collins, P. (CERN) ; Pinto, P. Costa (CERN) ; De Angelis, C. (Cagliari U. ; INFN, Cagliari) ; Di Nezza, P. (Frascati) et al.
The recently installed internal gas target at LHCb presents exceptional opportunities for an extensive physics program for heavy-ion, hadron, spin, and astroparticle physics. A storage cell placed in the LHC primary vacuum, an advanced Gas Feed System, the availability of multi-TeV proton and ion beams and the recent upgrade of the LHCb detector make this project unique worldwide. [...]
arXiv:2407.14200; LHCb-DP-2024-002.-
2024-11-01 - 22 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 111001
Fulltext: Publication - PDF; 2407.14200 - PDF;
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2024-07-05
05:40 |
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;
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2024-03-16
04:06 |
Tracking of charged particles with nanosecond lifetimes at LHCb
/ LHCb Collaboration
A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns, which considers a combination of their decay products and the partial tracks created by the initial charged particle. Using the $\Xi^-$ baryon as a benchmark, the method is demonstrated with simulated events and proton-proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 2.0 fb${}^{-1}$ collected with the LHCb detector in 2018. [...]
arXiv:2403.09483; CERN-EP-2024-077; LHCb-DP-2023-004.-
2024-07-30 - 23 p.
- Published in : Eur. Phys. J. C 84 (2024) 761
Figures: ZIP; Fulltext: 2403.09483 - PDF; document - PDF;
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2023-11-10
05:00 |
Curvature-bias corrections using a pseudomass method
/ LHCb Collaboration
Momentum measurements for very high momentum charged particles, such as muons from electroweak vector boson decays, are particularly susceptible to charge-dependent curvature biases that arise from misalignments of tracking detectors. Low momentum charged particles used in alignment procedures have limited sensitivity to coherent displacements of such detectors, and therefore are unable to fully constrain these misalignments to the precision necessary for studies of electroweak physics. [...]
arXiv:2311.04670; LHCb-DP-2023-001; CERN-EP-2023-246.-
2024-03-12 - 22 p.
- Published in : JINST 19 (2024) P03010
Fulltext: document - PDF; 2311.04670 - PDF;
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2023-10-14
04:02 |
Helium identification with LHCb
/ LHCb Collaboration
The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracker drift tubes. The background from photon conversions is reduced using the RICH detectors and an isolation requirement. [...]
arXiv:2310.05864; CERN-EP-2023-227; LHCb-DP-2023-002.-
2024-02-05 - 23 p.
- Published in : JINST 19 (2024) P02010
Fulltext: document - PDF; 2310.05864 - PDF;
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2023-05-21
09:16 |
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2023-01-12
06:05 |
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2022-11-23
04:27 |
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2022-06-01
04:19 |
Performance of the LHCb RICH detectors during LHC Run 2
/ Calabrese, R. (INFN, Ferrara ; U. Ferrara (main)) ; Fiorini, M. (INFN, Ferrara ; U. Ferrara (main)) ; Luppi, E. (INFN, Ferrara ; U. Ferrara (main)) ; Minzoni, L. (INFN, Ferrara ; U. Ferrara (main)) ; Slazyk, I. (INFN, Ferrara ; U. Ferrara (main)) ; Tomassetti, L. (INFN, Ferrara ; U. Ferrara (main)) ; Bartolini, M. (INFN, Genoa ; U. Genoa) ; Cardinale, R. (INFN, Genoa ; U. Genoa) ; Fontanelli, F. (INFN, Genoa ; U. Genoa) ; Petrolini, A. (INFN, Genoa ; U. Genoa) et al.
The performance of the ring-imaging Cherenkov detectors at the LHCb experiment is determined during the LHC Run 2 period between 2015 and 2018. The stability of the Cherenkov angle resolution and number of detected photons with time and running conditions is measured. [...]
arXiv:2205.13400; LHCb-DP-2021-004.-
2022-07-06 - 23 p.
- Published in : JINST 17 (2022) P07013
Fulltext: document - PDF; 2205.13400 - PDF;
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2021-12-18
04:06 |
Identification of charm jets at LHCb
/ LHCb Collaboration
The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. [...]
arXiv:2112.08435; LHCb-DP-2021-006.-
2022-02-22 - 22 p.
- Published in : JINST 17 (2022) P02028
Fulltext: document - PDF; Aaij_2022_J._Inst._17_P02028 - PDF; 2112.08435 - PDF;
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