1.
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Getting prepared for the LHC Run2: the PIC Tier-1 case
/ Flix, J (PIC, Bellaterra ; Madrid, CIEMAT) ; Acción, E (PIC, Bellaterra ; Barcelona, IFAE) ; Acín, V (PIC, Bellaterra ; Barcelona, IFAE) ; Acosta, C (PIC, Bellaterra ; Barcelona, IFAE) ; Casals, J (PIC, Bellaterra ; Madrid, CIEMAT) ; Caubet, M (PIC, Bellaterra ; Madrid, CIEMAT) ; Cruz, R (PIC, Bellaterra ; Barcelona, IFAE) ; Delfino, M (PIC, Bellaterra ; Barcelona, Autonoma U.) ; López, F (PIC, Bellaterra ; Madrid, CIEMAT) ; Pacheco, A (PIC, Bellaterra ; Barcelona, IFAE) et al.
The Large Hadron Collider (LHC) experiments will collect unprecedented data volumes in the next Physics run, with high pile-up collisions resulting in events that require a complex processing. Hence, the collaborations have been required to update their Computing Models to optimize the use of the available resources and control the growth of resources, in the midst of widespread funding restrictions, without penalizing any of the Physics objectives. [...]
2015 - 8 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 052014
IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.052014
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2.
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Multicore job scheduling in the Worldwide LHC Computing Grid
/ Forti, A (Manchester U.) ; Yzquierdo, A P (PIC, Bellaterra ; Madrid, CIEMAT) ; Hartmann, T (KIT, Karlsruhe, SCC) ; Alef, M (KIT, Karlsruhe, SCC) ; Lahiff, A (Rutherford) ; Templon, J (NIKHEF, Amsterdam) ; Pra, S Dal (INFN, CNAF) ; Gila, M (Zurich, ETH-CSCS/SCSC) ; Skipsey, S (Glasgow U.) ; Acosta-Silva, C (PIC, Bellaterra ; Barcelona, IFAE) et al.
After the successful first run of the LHC, data taking is scheduled to restart in Summer 2015 with experimental conditions leading to increased data volumes and event complexity. In order to process the data generated in such scenario and exploit the multicore architectures of current CPUs, the LHC experiments have developed parallelized software for data reconstruction and simulation. [...]
2015 - 8 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 062016
IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.062016
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3.
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New hard-TeV extreme blazars detected with the MAGIC telescopes
/ MAGIC Collaboration
Extreme high-frequency peaked BL Lac objects (EHBLs) are blazars which exhibit extremely energetic synchrotron emission. They also feature non-thermal gamma-ray emission whose peak lies in the very high-energy (VHE, E > 100 GeV) range, and in some sources exceeds 1TeV: this is the case of hard-TeV EHBLs such as 1ES 0229+200. [...]
arXiv:1911.06680.-
2020-02-20 - 24 p.
- Published in : Astrophys. J. Suppl. Ser. 247 (2020) 16
Fulltext: PDF;
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4.
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The LHC Tier1 at PIC: experience from first LHC run
/ Flix, J (Madrid, CIEMAT ; PIC, Bellaterra) ; Perez-Calero Yzquierdo, A (Madrid, CIEMAT ; PIC, Bellaterra) ; Acción, E (Barcelona, IFAE ; PIC, Bellaterra) ; Acin, V (Barcelona, IFAE ; PIC, Bellaterra) ; Acosta, C (Barcelona, IFAE ; PIC, Bellaterra) ; Bernabeu, G (Madrid, CIEMAT ; PIC, Bellaterra) ; Bria, A (Barcelona, IFAE ; PIC, Bellaterra) ; Casals, J (Madrid, CIEMAT ; PIC, Bellaterra) ; Caubet, M (Madrid, CIEMAT ; PIC, Bellaterra) ; Cruz, R (Barcelona, IFAE ; PIC, Bellaterra) et al.
This paper summarizes the operational experience of the Tier1 computer center at Port d’Informació Científica (PIC) supporting the commissioning and first run (Run1) of the Large Hadron Collider (LHC). The evolution of the experiment computing models resulting from the higher amounts of data expected after the restart of the LHC are also described..
2013
- Published in : EPJ Web Conf. 60 (2013) 20054
Published version, Open Access article: PDF;
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20054
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5.
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A search for dark matter in Triangulum II with the MAGIC telescopes
/ MAGIC Collaboration
We present the first results from very-high-energy observations of the dwarf spheroidal satellite candidate Triangulum II with the MAGIC telescopes from 62.4 hours of good-quality data taken between August 2016 and August 2017. We find no gamma-ray excess in the direction of Triangulum II, and upper limits on both the differential and integral gamma-ray flux are presented. [...]
arXiv:2003.05260.-
2020-05 - 14 p.
- Published in : Phys. Dark Univ.: 28 (2020) , pp. 100529
Fulltext: PDF;
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6.
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7.
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3D sensors for the HL-LHC
/ Vázquez Furelos, D. (Barcelona, IFAE) ; Carulla, M. (Barcelona, Inst. Microelectron.) ; Cavallaro, E. (Barcelona, IFAE) ; Förster, F. (Barcelona, IFAE) ; Grinstein, S. (Barcelona, IFAE ; ICREA, Barcelona) ; Lange, J. (Barcelona, IFAE) ; López Paz, I. (Barcelona, IFAE) ; Manna, M. (Barcelona, IFAE) ; Pellegrini, G. (Barcelona, Inst. Microelectron.) ; Quirion, D. (Barcelona, Inst. Microelectron.) et al.
In order to increase its discovery potential, the Large Hadron Collider (LHC) accelerator will be upgraded in the next decade. The high luminosity LHC (HL-LHC) period demands new sensor technologies to cope with increasing radiation fluences and particle rates. [...]
arXiv:1610.08889.-
2017-01-10 - 8 p.
- Published in : JINST 12 (2017) C01026
Fulltext: PDF; External link: Preprint
In : 18th International Workshop on Radiation Imaging Detectors, Barcelona, Spain, 03 - 07 Jul 2016, pp.C01026
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8.
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Lightweight site federation for CMS support
/ Acosta-Silva, C (PIC, Bellaterra ; Barcelona, IFAE) ; Peris, A Delgado (Madrid, CIEMAT) ; Flix, J (PIC, Bellaterra ; Madrid, CIEMAT) ; Guerrero, J M (Madrid, CIEMAT) ; Hernández, J M (Madrid, CIEMAT) ; Yzquierdo, A Pérez-Calero (PIC, Bellaterra ; Madrid, CIEMAT) ; Calonge, F J Rodriguez (Madrid, CIEMAT) ; Gómez-Pulgar, J (Madrid, CIEMAT)
/CMS Collaboration
There is a general trend in WLCG towards the federation of resources, aiming for increased simplicity, efficiency, flexibility, and availability. Although general VO-agnostic federation of resources between two independent and autonomous resource centres may prove arduous, a considerable amount of flexibility in resource sharing can be achieved in the context of a single WLCG VO, with a relatively simple approach. [...]
CMS-CR-2020-020.-
Geneva : CERN, 2020 - 7 p.
- Published in : EPJ Web Conf. 245 (2020) 03013
Fulltext: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.03013
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10.
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Module production of the one-arm AFP 3D pixel tracker
/ Grinstein, S. (Barcelona, IFAE ; ICREA, Barcelona) ; Cavallaro, E. (Barcelona, IFAE) ; Chmeissani, M. (Barcelona, IFAE) ; Dorholt, O. (Oslo U.) ; Förster, F. (Barcelona, IFAE) ; Lange, J. (Barcelona, IFAE) ; Lopez Paz, I. (Barcelona, IFAE) ; Manna, M. (Barcelona, IFAE) ; Pellegrini, G. (Barcelona, Inst. Microelectron.) ; Quirion, D. (Barcelona, Inst. Microelectron.) et al.
The ATLAS Forward Proton (AFP) detector is designed to identify events in which one or two protons emerge intact from the LHC collisions. AFP will consist of a tracking detector, to measure the momentum of the protons, and a time of flight system to reduce the background from multiple proton-proton interactions. [...]
arXiv:1611.01005.-
2017-01-30 - 9 p.
- Published in : JINST 12 (2017) C01086
Fulltext: PDF; External link: Preprint
In : International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (PIXEL2016), Sestri Levante, Italy, 5 - 9 Sep 2016
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