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2025-03-26
14:49
Projections for Key Measurements in Heavy Flavour Physics /ATLAS Collaboration ; Belle II Collaboration ; CMS Collaboration ; LHCb Collaboration
Precision studies of flavour-changing processes involving quarks and leptons provide a number of ways to improve knowledge of the Standard Model and search for physics beyond it. There are excellent short- and mid-term prospects for significantly improved measurements in heavy flavour physics (involving b and c hadrons and τ leptons), with upgrades in progress or planned for the ATLAS, CMS and LHCb experiments exploiting proton-proton collisions at CERN's Large Hadron Collider, and for the Belle II experiment operating with electron-positron collisions from the SuperKEKB accelerator in KEK. [...]
LHCb-PUB-2025-008; CERN-LHCb-PUB-2025-008; CERN-ATL-PHYS-PUB-2025-020; CERN-CMS-BPH-25-001.- Geneva : CERN, 2025 - mult.p. Fulltext: PDF;

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2025-02-18
11:50
LHCb Computing Resource usage in 2024 / Bozzi, Concezio (Universita e INFN, Ferrara (IT))
This document reports the usage of computing resources by the LHCb collaboration during the period January 1st – December 31st, 2024. The data in the following sections have been compiled from the WLCG Accounting Utility (WAU) portal [...]
LHCb-PUB-2025-007; CERN-LHCb-PUB-2025-007.- Geneva : CERN, 2025

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2025-02-18
11:47
LHCb Computing Resources: 2026 requests / Bozzi, Concezio (Universita e INFN, Ferrara (IT)) ; Anderlini, Lucio (Universita e INFN, Firenze (IT)) ; Blanc, Fred (EPFL - Ecole Polytechnique Federale Lausanne (CH)) ; Couturier, Ben (CERN) ; van Eldik, Jan (CERN) ; Marin Benito, Carla (University of Barcelona (ES)) ; Perazzini, Stefano (Universita e INFN, Bologna (IT)) ; Robbe, Patrick (Université Paris-Saclay (FR)) ; Skidmore, Nicole (University of Warwick (GB)) ; Stahl, Sascha (CERN) et al.
This document presents an estimate of the offline computing resources needed by LHCb in the 2026 WLCG year. The computing requests are based on the Computing Model Technical Design Report for the LHCb Upgrade, adjusted to the current values of its main parameters, to the currently known LHC running schedule, to the current usage of computing resources, and to the expected activities to be performed by the LHCb experiment..
LHCb-PUB-2025-006; CERN-LHCb-PUB-2025-006.- Geneva : CERN, 2025

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2025-01-21
14:34
Measurement of SciFi hit resolution at LHCb / Zhao, Ya (Heidelberg University (DE)) ; Dufour, Laurent (CERN) ; Hulsbergen, Wouter (Nikhef National institute for subatomic physics (NL)) ; Gao, Zihan (Peking University (CN)) ; Leverington, Blake (Heidelberg University (DE)) ; Xu, Zehua (CERN)
The SciFi hit resolution is studied using 2024 data at LHCb. The algorithm to determine the hit resolution is presented. [...]
LHCb-PUB-2025-005; CERN-LHCb-PUB-2025-005.- Geneva : CERN, 2025

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2025-01-06
10:05
Computing and software for LHCb Upgrade II
A second major upgrade of the LHCb experiment is necessary to allow full exploitation of the High Luminosity LHC for flavour physics. The new experiment will operate in Run 5 of the LHC at a luminosity up to 1.5×1034cm−2s−1. [...]
LHCb-PUB-2025-004; CERN-LHCb-PUB-2025-004.- Geneva : CERN, 2025 Fulltext: PDF;

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2025-01-06
10:02
Heavy ion physics at LHCb Upgrade II / LHCb, Collaboration (CERN)
A second major LHCb detector upgrade will be installed during long shutdown 4 (LS4) of the CERN Large Hadron Collider. The new detector will provide excellent performance for studies of Quantum Chromodynamics at high temperature and density, as achieved in collisions of heavy nuclei. [...]
arXiv:2503.23093; LHCb-PUB-2025-003; CERN-LHCb-PUB-2025-003; LHCb-PUB-2025-003; CERN-LHCb-PUB-2025-003.- Geneva : CERN, 2025 Fulltext: LHCb-PUB-2025-003 - PDF; 2503.23093 - PDF;

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2025-01-06
10:00
Technology developments for LHCb Upgrade II / LHCb Collaboration, CERN
A major LHCb detector upgrade will be installed during long shutdown~4 (LS4) of the CERN Large Hadron Collider. The experiment will operate at a maximum luminosity of up to 1.5×1034cm−2sec−1, with acceptance covering a pseudorapidity range close to the beamline. [...]
LHCb-PUB-2025-002; CERN-LHCb-PUB-2025-002.- Geneva : CERN, 2025 Fulltext: PDF;

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2025-01-06
09:58
Discovery potential of LHCb Upgrade II / LHCb Collaboration, CERN
A second major upgrade of the LHCb detector is necessary to allow full exploitation of the HL-LHC for flavour physics. The new detector will be installed during long shutdown 4 (LS4), and will operate at instantaneous luminosity up to 1.5×1034cm−2s−1. [...]
LHCb-PUB-2025-001; CERN-LHCb-PUB-2025-001.- Geneva : CERN, 2025 Fulltext: PDF;

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2024-12-16
16:27
Track momentum resolution measurement for Run 3 at LHCb / Zhao, Ya (Heidelberg University (DE)) ; Dufour, Laurent (CERN) ; Gao, Zihan (Peking University (CN)) ; Hulsbergen, Wouter (Nikhef National institute for subatomic physics (NL)) ; Wang, Mengzhen (CERN) ; Xu, Zehua (CERN)
The long track momentum resolution is a key metric for evaluating the performance of the tracking system at LHCb . This document presents the methodology to measure the long track momentum resolution. [...]
LHCb-PUB-2024-009; CERN-LHCb-PUB-2024-009.- Geneva : CERN, 2024

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2024-11-18
09:53
Time alignment of the front end electronics of the LHCb SciFi / Xu, Zehua (CERN) ; Wang, Chishuai (Heidelberg University (DE))
LHCb is the experiment at the Large Hadron Collider at CERN designed for performing studies of CP-symmetry violation and rare decays of B-hadrons. During the Upgrade I of LHCb, a new tracking detector based on the scintillating fibres (SciFi) has been installed downstream of the magnet. [...]
LHCb-PUB-2024-008; CERN-LHCb-PUB-2024-008.- Geneva : CERN, 2024 Fulltext: PDF;

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