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The LHCb Online system in 2020: trigger-free read-out with (almost exclusively) off-the-shelf hardware
/ Colombo, T (CERN) ; Amihalachioaei, A (CERN ; Gh. Asachi Tech. U., Iasi) ; Arnaud, K (Marseille, CPPM) ; Alessio, F (CERN) ; Brarda, L (CERN) ; Cachemiche, J P (Marseille, CPPM) ; Cámpora, D (CERN ; Seville U.) ; Cap, S (Annecy, LAPP) ; Cardoso, L (CERN) ; Cindolo, F (INFN, Bologna ; U. Bologna, DIFA) et al.
The LHCb experiment at CERN has decided to optimise its physics reach by removing the first level hardware trigger for 2020 and beyond. In addition to requiring fully redesigned front-end electronics this design creates interesting challenges for the data-acquisition and the rest of the online computing system. [...]
2018 - 7 p.
- Published in : J. Phys.: Conf. Ser. 1085 (2018) 032041
Fulltext: PDF;
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017, pp.032041
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The PCIe-based readout system for the LHCb experiment
/ Cachemiche, J P (Marseille, CPPM) ; Duval, P Y (Marseille, CPPM) ; Hachon, F (Marseille, CPPM) ; Le Gac, R (Marseille, CPPM) ; Réthoré, F (Marseille, CPPM)
The LHCb experiment is designed to study differences between particles and anti-particles as well as very rare decays in the beauty and charm sector at the LHC. The detector will be upgraded in 2019 in order to significantly increase its efficiency, by removing the first-level hardware trigger. [...]
2016 - 12 p.
- Published in : JINST 11 (2016) P02013
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A Framework for Hardware Integration in the LHCb Experiment Control System
/ Cardoso, Luis (CERN) ; Alessio, Federico (CERN) ; Barbosa, Joao (CERN) ; Duval, Pierre-Yves (Marseille, CPPM) ; Gaspar, Clara (CERN) ; Schwemmer, Rainer (CERN)
LHCb is one of the four experiments at the LHC accelerator at CERN. For the LHCb upgrade, hundreds of new electronics boards for the central data acquisition and for the front-end readout of the different sub-detectors are being developed. [...]
2015 - 4 p.
- Published in : 10.18429/JACoW-ICALEPCS2015-MOPGF052
Fulltext: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.MOPGF052
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Implications of LHCb measurements and future prospects
/ LHCb Collaboration
During 2011 the LHCb experiment at CERN collected $1.0 {\mbox{fb}^{-1}}$ of $\sqrt{s} = 7 {\mathrm{\,Te\kern -0.1em V}}$ $pp$ collisions. Due to the large heavy quark production cross-sections, these data provide unprecedented samples of heavy flavoured hadrons. [...]
arXiv:1208.3355; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334.-
Geneva : CERN, 2013-04-26 - 178 p.
- Published in : Eur. Phys. J. C 73 (2013) 2373
Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External links: PDF on ECONF; Proceedings write-up on ECONF
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Recent developments for the Upgrade of the LHCb readout system
/ Cachemiche, J P (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Duval, P Y (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Hachon, F (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Le Gac, R (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Réthoré, F (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France)
The LHCb collaboration has chosen to evaluate the ATCA architecture as form-factor for the LHCb readout system. A same board can satisfy all the requirements for data transmission, timing and fast control as well as slow control. [...]
LHCb-TALK-2012-257.-
Geneva : CERN, 2012 - 27 p.
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Oxford, UK, 17 - 21 Sep 2012
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xTCA developments for the LHCb Readout
/ Cachemiche, J P (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Duval, P Y (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Hachon, F (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Le Gac, R (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France) ; Réthoré, F (CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France)
LHCb-TALK-2012-256.-
Geneva : CERN, 2012 - 20 p.
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Oxford, UK, 17 - 21 Sep 2012
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The Level-0 Muon Trigger for the LHCb experiment
/ Aslanides, E (Marseille, CPPM) ; Cachemiche, J P (Marseille, CPPM) ; Cogan, J (Marseille, CPPM) ; Duval, P Y (Marseille, CPPM) ; Le Gac, R (Marseille, CPPM) ; Leroy, O (Marseille, CPPM) ; Liotard, PL (Marseille, CPPM) ; Marin, F (Marseille, CPPM) ; Favard, S (Marseille, CPPM) ; Tsaregorodtsev, A (Marseille, CPPM)
The Level-0 Muon Trigger looks for straight tracks crossing the five muon stations of the LHCb muon detector and measures their transverse momentum. The tracking uses a road algorithm relying on the projectivity of the muon detector. [...]
LHCb-PROC-2006-031; CERN-LHCb-PROC-2006-031.-
Geneva : CERN, 2006 - 5 p.
Fulltext: PDF;
In : 12th Workshop on Electronics For LHC and Future Experiments, Valencia, Spain, 25 - 29 Sep 2006 (CERN-2007-001)
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Study for the LHCb upgrade read-out board
/ Cachemiche, J P (Marseille, CPPM) ; Duval, P Y (Marseille, CPPM) ; Hachon, F (Marseille, CPPM) ; Le Gac, R (Marseille, CPPM) ; Marin, F (Marseille, CPPM)
The LHCb experiment envisages to upgrade its readout electronics in order to increase the readout rate from 1 MHz to 40 MHz. This electronics upgrade is very challenging, since readout boards will have to handle a higher number of serial links with an increased bandwidth [...]
2010
- Published in : JINST 5 (2010) C12036
IOP Open Access Article: PDF;
In : Topical Workshop on Electronics for Particle Physics 2010, Aachen, Germany, 20 - 24 Sep 2010, pp.C12036
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