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1.
Chips for calibration of the ATLAS Liquid Argon calorimeter / Raux, L (Ec. Polytech., OMEGA) /ATLAS Liquid Argon calorimeter calibration Group Collaboration
The LHC upgrade requires redoing the liquid Argon (LAr) calibration system which should provide a 16-bit range signal with 1‰ accuracy while being radiation tolerant. The fundamental operating principle remains unchanged: a precise current is stored in an inductor, and upon switching off the current, a pulse is generated for injection into the readout electronics. [...]
2024 - 8 p. - Published in : JINST 19 (2024) C05002
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C05002
2.
Timing Performance of the CMS High Granularity Calorimeter Prototype / CMS HGCAL Collaboration
This paper describes the experience with the calibration, reconstruction and evaluation of the timing capabilities of the CMS HGCAL prototype in the beam tests in 2018. The calibration procedure includes multiple steps and corrections ranging from tens of nanoseconds to a few hundred picoseconds. [...]
arXiv:2312.14622.- 2024-04-11 - 22 p. - Published in : JINST 19 (2024) P04015 Fulltext: PDF; Fulltext from Publisher: PDF;
3.
HKROC: an integrated front-end ASIC to readout photomultiplier tubes for the Hyper-Kamiokande experiment / Conforti Di Lorenzo, S (Ec. Polytech., OMEGA) ; Afiri, A (Ecole Polytechnique) ; Bolognesi, S (IRFU, Saclay) ; Bombardi, G (CERN) ; Bouyjou, F (IRFU, Saclay) ; Callier, S (Ec. Polytech., OMEGA) ; De La Taille, C (Ec. Polytech., OMEGA) ; Dinaucourt, P (Ec. Polytech., OMEGA) ; Drapier, O (Ecole Polytechnique) ; Dulucq, F (Ec. Polytech., OMEGA) et al.
The HKROC ASIC was originally designed to readout the photomultiplier tubes (PMTs) for the Hyper-Kamiokande (HK) experiment. HKROC is a very innovative ASIC capable of readout a large number of channels satisfying stringent requirements in terms of noise, speed and dynamic range. [...]
2023 - 7 p. - Published in : JINST 18 (2023) C01035
In : Topical Workshop on Electronics for Particle Physics 2022 (TWEPP 2022), Bergen, Norway, 19 - 23 Sep 2022, pp.C01035
4.
HGCROC2: the front-end readout ASICs for the CMS High Granularity Calorimeter / Bouyjou, F (IRFU, Saclay) ; Bombardi, G (CERN) ; Callier, S (Ec. Polytech., OMEGA) ; Dinaucourt, P (Ec. Polytech., OMEGA) ; Dulucq, F (Ec. Polytech., OMEGA) ; El Berni, M (Ec. Polytech., OMEGA) ; Guilloux, F (IRFU, Saclay) ; Idzik, M (AGH-UST, Cracow) ; de La Taille, C (Ec. Polytech., OMEGA) ; Marchioro, A (CERN) et al.
The CMS High-Granularity Calorimeter (HGCAL) imposes extremely challenging specifications for the front-end electronics: high dynamic range, low noise, high-precision time information and low power consumption, as well as the need to select and transmit trigger information with a high transverse and longitudinal granularity. HGCROC2 is the second prototype of the readout chip embedding almost all the final functionalities. [...]
2022 - 8 p. - Published in : J. Phys. : Conf. Ser. 2374 (2022) 012070 Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012070
5.
Neutron irradiation and electrical characterisation of the first 8” silicon pad sensor prototypes for the CMS calorimeter endcap upgrade / CMS HGCAL Collaboration
As part of its HL-LHC upgrade program, the CMS collaboration is replacing its existing endcap calorimeters with a high-granularity calorimeter (CE). The new calorimeter is a sampling calorimeter with unprecedented transverse and longitudinal readout for both electromagnetic and hadronic compartments. [...]
arXiv:2209.10159.- 2023-08-24 - 19 p.
- Published in : JINST Fulltext: 33df321261c1de65891ca8b290f4b7a2 - PDF; 2209.10159 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
6.
Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c / CALICE Collaboration
The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimeter (HGCAL). The electromagnetic section of the HGCAL is based on silicon sensors interspersed between lead and copper (or copper tungsten) absorbers. [...]
arXiv:2211.04740.- 2023-08-14 - 31 p. - Published in : JINST 18 (2023) P08014 Fulltext: 2211.04740 - PDF; FERMILAB-PUB-23-299-ETD-PPD - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
7.
Design, Construction and Commissioning of a Technological Prototype of a Highly Granular SiPM-on-tile Scintillator-Steel Hadronic Calorimeter / CALICE Collaboration
The CALICE collaboration is developing highly granular electromagnetic and hadronic calorimeters for detectors at future energy frontier electron-positron colliders. After successful tests of a physics prototype, a technological prototype of the Analog Hadron Calorimeter has been built, based on a design and construction techniques scalable to a collider detector. [...]
arXiv:2209.15327; CALICE-PUB-2022-003.- 2023-11-22 - 37 p. - Published in : JINST 18 (2023) P11018 Fulltext: 2209.15327 - PDF; document - PDF;
8.
Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20–300 GeV positrons / CMS HGCAL Collaboration
The Compact Muon Solenoid Collaboration is designing a new high-granularity endcap calorimeter, HGCAL, to be installed later this decade. As part of this development work, a prototype system was built, with an electromagnetic section consisting of 14 double-sided structures, providing 28 sampling layers. [...]
arXiv:2111.06855; FERMILAB-PUB-22-427-PPD.- 2022-05-12 - 29 p. - Published in : JINST 17 (2022) P05022 Fulltext: 2111.06855 - PDF; document - PDF; cbd097f03712745131ad048fd9099ac7 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
9.
HGCROC-Si and HGCROC-SiPM: the front-end readout ASICs for the CMS HGCAL / Bombardi, G (CERN) ; Marchioro, A (CERN) ; Vergine, T (CERN) ; Bouyjou, F (IRFU, Saclay) ; Guilloux, F (IRFU, Saclay) ; Callier, S (Ec. Polytech., OMEGA) ; Dulucq, F (Ec. Polytech., OMEGA) ; El Berni, M (Ec. Polytech., OMEGA) ; de La Taille, C (Ec. Polytech., OMEGA) ; Raux, L (Ec. Polytech., OMEGA) et al.
The two variants of HGCROC are the ASICs designed to readout the more than 6 million channels of the future HGCAL of CMS, which will consist of hexagonal silicon sensors for a large part but also SiPM-on-scintillators tiles. The SiPM version of the chip was made from the silicon version by adapting only the first amplifier stage. [...]
2020 - 4 p. - Published in : 10.1109/NSS/MIC42677.2020.9508012
In : 2020 IEEE Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC), Boston, United States, 31 Oct - 7 Nov 2020
10.
The DAQ system of the 12,000 Channel CMS High Granularity Calorimeter Prototype / CMS HGCAL Collaboration
The CMS experiment at the CERN LHC will be upgraded to accommodate the 5-fold increase in the instantaneous luminosity expected at the High-Luminosity LHC (HL-LHC). Concomitant with this increase will be an increase in the number of interactions in each bunch crossing and a significant increase in the total ionising dose and fluence. [...]
arXiv:2012.03876.- 2021-04-15 - 20 p. - Published in : JINST 16 (2021) T04001 Fulltext: fermilab-pub-21-599-cms - PDF; 2012.03876 - PDF; Fulltext from publisher: PDF; External link: Preprint

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