CERN Accelerating science


LHCb Public Notes

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LHCb RICH : Improvements in LS3 / Easo, Sajan (Science and Technology Facilities Council STFC (GB))
LHCb-PUB-2021-014; CERN-LHCb-PUB-2021-014.- Geneva : CERN, 2021

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LHCb RICH : Plans and options for future upgrades / Easo, Sajan (Science and Technology Facilities Council STFC (GB))
LHCb-PUB-2021-013; CERN-LHCb-PUB-2021-013.- Geneva : CERN, 2021

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The VELO optical and power board / Eklund, Lars (Uppsala University (SE)) ; Van Beuzekom, Martin (Nikhef National institute for subatomic physics (NL)) ; Buytaert, Jan (CERN) ; Dean, Cameron Thomas (Los Alamos National Laboratory (US)) ; De Bruyn, Kristof Antoon M (University of Groningen (NL)) ; Dumps, Raphael (CERN) ; Fernandez Prieto, Antonio (Universidade de Santiago de Compostela (ES)) ; Hennessy, Karol (University of Liverpool (GB)) ; Leflat, Alexander (M.V. Lomonosov Moscow State University (RU)) ; Lemos Cid, Edgar (Universidade de Santiago de Compostela (ES)) et al.
The optical and power boards (OPB) are part of the on-detector electronics system for the LHCb Vertex Detector (VELO) and they are used in LHCb upgrade 1 which is installed in the second long LHC shutdown period. The OPBs are assembled printed circuit boards (PCBs) that are located immediately outside of the VELO detector vacuum tank, in custom made mechanical crates. [...]
LHCb-PUB-2021-012; CERN-LHCb-PUB-2021-012.- Geneva : CERN, 2021 - 42. Fulltext: PDF;

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Microchannel Cooling for the LHCb VELO Upgrade / Collins, Paula (CERN)
arXiv:2112.12763; LHCb-PUB-2021-010; CERN-LHCb-PUB-2021-010.- Geneva : CERN, 2021 - 31 p. Fulltext: PDF;

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LHCb RICH: Potential physics performance / Calvi, Marta (Universita & INFN, Milano-Bicocca (IT)) ; Cardinale, Roberta (INFN e Universita Genova (IT)) ; Cavallero, Giovanni (CERN) ; Fazzini, Davide (Universita & INFN, Milano-Bicocca (IT)) ; Martinelli, Maurizio (CERN)
In Upgrade phases the PID performance are expected to be reduced by the high detector occupancy and large event multiplicity. The use of fast timing information can be one of the key element to restore and improve the performance of the current RICH detectors in these conditions. [...]
LHCb-PUB-2021-009; CERN-LHCb-PUB-2021-009.- Geneva : CERN, 2021 - 15. Fulltext: PDF;

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LHCb Computing Resources: preliminary 2023 requests / Bozzi, Concezio (Universita e INFN, Ferrara (IT))
This document presents a preliminary assessment of the offline computing resources needed by LHCb in 2023. The computing requests are based on the Computing Model Technical Design Report for the LHCb Upgrade, adjusted to the currently known LHC running schedule and the expected activities to be performed by the LHCb experiment..
LHCb-PUB-2021-008; CERN-LHCb-PUB-2021-008.- Geneva : CERN, 2021

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Calibration software platform for LHCb upgrade silicon detectors: STORCK and TITANIA / Szumlak, Tomasz (AGH University of Science and Technology (PL))
LHCb-PUB-2021-007; CERN-LHCb-PUB-2021-007.- Geneva : CERN, 2021

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PACIFICr5 ASIC Data Sheet / Comerma Montells, Albert ; Mazorra De Cos, Jose (Univ. of Valencia and CSIC (ES))
The PACIFICr5 ASIC is a 64 channel Silicon Photo Multiplier readout circuit with current mode input and digital output developed for the LHCb Scintillating Fibre Tracker..
LHCb-PUB-2021-006; CERN-LHCb-PUB-2021-006.- Geneva : CERN, 2021 - 31. Fulltext: PDF;

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Tracking Definitions and Conventions for Run 3 and Beyond / Li, Peilian (Ruprecht Karls Universitaet Heidelberg (DE)) ; Rodrigues, Eduardo (University of Liverpool (GB)) ; Stahl, Sascha (CERN)
This note describes definitions, conventions and rules to measure the performance of detecting charged particles in the LHCb tracking detectors and, subsequently, reconstructing them with the track reconstruction software. In addition, the distributions of particles which can be reconstructed by the tracking detectors are studied using Monte Carlo simulation for Run 3..
LHCb-PUB-2021-005; CERN-LHCb-PUB-2021-005.- Geneva : CERN, 2021 - mult.p. Fulltext: PDF;

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Results of the survey on the effects of the Covid-19 pandemic on LHCb scientists / Dordei, Francesca (Universita e INFN, Cagliari (IT)) ; Ben Haim, Eli (Centre National de la Recherche Scientifique (FR)) ; Cicala, Flavia (University of Warwick (GB)) ; Klaver, Suzanne (Nikhef National institute for subatomic physics (NL)) ; Kopecna, Renata (Ruprecht Karls Universitaet Heidelberg (DE)) ; Lukashenko, Valeriia (Nikhef National institute for subatomic physics (NL)) ; Skidmore, Nicole (University of Bonn (DE))
In this note, we report the outcomes of a survey of LHCb scientists carried out during December 2020 regarding the social response to the Covid-19 pandemic. The survey was completed by 199 people, corresponding to about 14% of the collaboration. [...]
LHCb-PUB-2021-004; CERN-LHCb-PUB-2021-004.- Geneva : CERN, 2021 - 33. Fulltext: LHCb-PUB-2021-004 - PDF; figs_survey_mental_health - ZIP;

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