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LHCb Notes

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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

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2024-11-14
12:20
Physics opportunities for heavy-ion and fixed-target physics with LHCb Upgrade II /LHCb Collaboration
Owing to its forward acceptance, allowing a kinematic region unaccessible to the other LHC experiments to be probed, and to the unique ability to study fixed-target collisions by injecting gases in the LHC beam-pipe, the LHCb experiment has developed a complete heavy ion physics programme since the LHC Run 2 (2015-2018). With its foreseen Upgrade II, expected to begin operating in the Run 5 of LHC, increased precision, rarer probes and even more ideas are at reach. [...]
LHCb-PUB-2024-007; CERN-LHCb-PUB-2024-007.- Geneva : CERN, 2024

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2024-09-06
14:35
RUST Bindings for DIM System Used In LHCb / Dogrul, Betul (CERN)
The Distributed Information Management (DIM) system in CERN is a well-established framework written in C that handles event-based communication [1]. It is a client/server paradigm based inter-process communica- tion system [1]. [...]
LHCb-PUB-2024-006; CERN-LHCb-PUB-2024-006.- Geneva : CERN, 2024 - 6. Fulltext: PDF;

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2024-08-30
15:50
LHCb Computing Resources: preliminary 2026 requests / Bozzi, Concezio (Universita e INFN, Ferrara (IT))
This document presents a preliminary estimate of the offline computing resources needed by LHCb in 2026. The computing requests are based on the Computing Model Technical Design Report for the LHCb Upgrade [LHCb-TDR-018], adjusted to the currently known LHC running schedule and the expected activities to be performed by the LHCb experiment [...]
LHCb-PUB-2024-005; CERN-LHCb-PUB-2024-005.- Geneva : CERN, 2024 Fulltext: PDF;

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2024-02-12
09:17
LHCb Computing Resource usage in 2023 / 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, 2023. The data in the following sections have been compiled from the WLCG Accounting Utility (WAU) portal: https://monit-grafana.cern.ch/dashboards/f/Jux9_-1ik/accounting. [...]
LHCb-PUB-2024-003; CERN-LHCb-PUB-2024-003.- Geneva : CERN, 2024 - 36. Fulltext: PDF;

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2024-02-12
09:12
LHCb Computing Resources: 2025 requests / Bozzi, Concezio (Universita e INFN, Ferrara (IT))
This document presents an estimate of the offline computing resources needed by LHCb in 2025. The computing requests are based on the Computing Model Technical Design Report for the LHCb Upgrade [LHCb-TDR-018], adjusted to the currently known LHC running schedule and the expected activities to be performed by the LHCb experiment..
LHCb-PUB-2024-002; CERN-LHCb-PUB-2024-002.- Geneva : CERN, 2024 - 22. Fulltext: PDF;

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2024-02-07
10:20
Proposal for FPGA-based tracking in the LHCb downstream region / Morello, Michael (Universita & INFN Pisa (IT)) ; Lazzari, Federico (Universita & INFN Pisa (IT)) ; Baldini, Wander (Universita e INFN, Ferrara (IT)) ; Bassi, Giovanni (Universita & INFN Pisa (IT)) ; Contu, Andrea (Universita e INFN, Cagliari (IT)) ; Fantechi, Riccardo (Universita & INFN Pisa (IT)) ; He, Jibo (University of Chinese Academy of Sciences (CN)) ; Jashal, Brij (Tata Inst. of Fundamental Research (IN)) ; Kotriakhova, Sofia (Universita e INFN, Ferrara (IT)) ; Martinelli, Maurizio (Universita & INFN, Milano-Bicocca (IT)) et al.
This document describes the design principles and the implementation details of a FPGA-based reconstruction system, aimed at enhancing the Real-Time Analysis capabilities of LHCb beyond the level of Upgrade I..
LHCb-PUB-2024-001; CERN-LHCb-PUB-2024-001.- Geneva : CERN, 2024 - 65. Fulltext: PDF;

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2023-09-06
17:14
Studies of a neutron shielding for the upgraded LHCb detector / Corti, Gloria (CERN) ; Karacson, Matthias (CERN) ; Schindler, Heinrich (CERN)
Pending
LHCb-PUB-2023-004; CERN-LHCb-PUB-2023-004.- Geneva : CERN, 2023

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2023-08-29
11:56
LHCb Computing Resources: preliminary 2025 requests / Bozzi, Concezio (Universita e INFN, Ferrara (IT))
This document presents a preliminary estimate of the offline computing resources needed by LHCb in 2025. The computing requests are based on the Computing Model Technical Design Report for the LHCb Upgrade [LHCb-TDR-018], adjusted to the currently known LHC running schedule and the expected activities to be performed by the LHCb experiment..
LHCb-PUB-2023-003; CERN-LHCb-PUB-2023-003.- Geneva : CERN, 2023 - 23. Fulltext: PDF;

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