CERN Accelerating science

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1.
Characterizing the Stray Radiation Fields at a FLASH Therapy Facility Using Gas-filled Ionization Chamber with an ASIC Front-end / Kundumattathil Mohanan, S (CERN) ; Boukabache, H (CERN) ; Laforge, C (CERN) ; Reiner, G Walter ; Perrin, D (CERN)
Ultra-high dose rate radiation therapy is gaining momentum in the treatment of cancer. Many recent studies have shown promising results with great potential. [...]
2023 - 2 p. - Published in : 10.1109/NSSMICRTSD49126.2023.10338004
In : 2023 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector (RTSD) Conference (2023 IEEE NSS MIC RTSD), Vancouver, Canada, 4 - 11 Nov 2023
2.
A Nine Decade Femtoampere Current to Frequency Converter / Voulgari, Evgenia
Various applications require ultra-low current sensing [...]
CERN-THESIS-2017-183 - doi:10.5075/epfl-thesis-7853 : INFOSCIENCE, 2017-10-13. - 148 p.

Fulltext
3.
An Ultra Low Current Measurement Mixed-Signal ASIC for Radiation Monitoring Using Ionisation Chambers / Kundumattathil Mohanan, Sarath (CERN) ; Boukabache, Hamza (CERN) ; Cruchet, Vassili (CERN) ; Perrin, Daniel (CERN) ; Roesler, Stefan (CERN) ; Pfeiffer, Ullrich R (Wuppertal U.)
Measurement of total ionizing dose in a radiation field is efficiently carried out by ionisation chambers. The paper details the design of a mixed-signal ASIC for the front-end electronics of ionisation chambers. [...]
2022 - 9 p. - Published in : IEEE Sensors J. 22 (2022) 2142-2150 Fulltext: PDF;
4.
Towards the next generation of CERN radiation monitoring front end ASICs / Kundumattathil Mohanan, S (CERN ; Wuppertal U.) ; Boukabache, H (CERN) ; Perrin, D (CERN) ; Pfeiffer, U (Wuppertal U.)
Radiation monitoring using ionisation chambers spans a wide spectrum of radiation fields from environmental monitors to ambient dose monitors near particle accelerators. Hence the output generated by these sensors can vary from few femtoamperes to microamperes. [...]
2022 - 7 p. - Published in : JINST

In : TWEPP 2021 Topical Workshop on Electronics for Particle Physics, Online, Online, 20 - 24 Sep 2021, pp.C04029
5.
Towards the next generation of CERN radiation monitoring front end ASICs / Kundumattathil Mohanan, Sarath (speaker) (Bergische Universitaet Wuppertal (DE))
The front-end electronics of Ionization chamber for radiation protection demands challenging sensitivity requirements in the femtoampere range and a wide dynamic range. This work details the development trajectory that culminated in a single chip solution with current measurement capability spanning nine decades. [...]
2021 - 1263. Conferences; TWEPP 2021 Topical Workshop on Electronics for Particle Physics External links: Talk details; Event details In : TWEPP 2021 Topical Workshop on Electronics for Particle Physics
6.
Multiequipment Radiation Measurements in a Field Generated by Bombarding a 1-GeV/u Fe Beam on a Polyethylene Target at GSI and Comparison to FLUKA Simulations / Mohanan, Sarath Kundumattathil (CERN) ; Boukabache, Hamza (CERN) ; Froeschl, Robert (CERN) ; Horst, Felix (Darmstadt, GSI ; HZDR, Dresden) ; Kozlova, Ekaterina (Darmstadt, GSI) ; Lorenzon, Tommaso (CERN) ; Perrin, Daniel (CERN) ; Sokolov, Alexey (Darmstadt, GSI)
The complex nature of the radiation environment in various high-energy physics facilities necessitates the use of different kinds of radiation monitors. The detectors used could be either passive or active and need dedicated readout electronics. [...]
2024 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 71 (2024) 205-212 Fulltext: PDF;
7.
Utopia: A Nine Decade Femtoampere Sensitivity Current Digitizer and its Application in Ionizing Radiation Monitoring / Voulgari, Evgenia (CERN) ; Noy, Matthew (CERN) ; Anghinolfi, Francis (CERN) ; Krummenacher, Francois (Ecole Polytechnique, Lausanne) ; Kayal, Maher (Ecole Polytechnique, Lausanne)
Radiation measurements and monitoring are very important for particle physics accelerators, hadron therapy institutes, and nuclear facilities. An Application Specific Integrated Circuit (ASIC) able to digitize current generated from ionization chambers was designed and characterized in order to be used as the front-end of the new radiation monitoring system at CERN. [...]
2018 - 9 p. - Published in : IEEE Trans. Nucl. Sci. 65 (2018) 932-940 Fulltext: PDF;
8.
PACE3 : a large dynamic range analog memory front-end ASIC assembly for the charge readout of silicon sensors / Aspell, P (CERN) ; Barney, D (CERN) ; Bialas, W ; Bloch, P ; Dupanloup, M ; Go A ; Kloukinas, K ; Manthos, N ; Moraes, D ; Morrissey, Q et al.
This paper describes the architecture of PACE3 and the key design parameters for a large dynamic range front-end amplification and low noise analog memory. Measured results from PACE3 are presented characterizing the chip's performance in terms of gain, pulse shaping characteristics, noise, power consumption and radiation tolerance with respect to total ionizing dose and robustness to single event upsets (SEU)..
2006
In : 52nd IEEE Nuclear Science Symposium and Medical Imaging Conference, San Juan, Puerto Rico, 23 - 29 Oct 2005, pp.904-908
9.
Front-end electronics for ALICE dimuon trigger RPCs / Rosnet, Philippe (Clermont-Ferrand U.) ; Royer, Laurent (Clermont-Ferrand U.) /ALICE Collaboration
A dedicated front-end electronics has been developed for the trigger chambers of the ALICE muon spectrometer which will work at the future LHC at CERN. These trigger chambers are based on RPCs (Resistive Plate Chambers) working in streamer mode. [...]
hep-ph/0501045.- 2004 - 5 p. - Published in : 10.1109/NSSMIC.2004.1462636 Fulltext: 0501045 - PDF; arXiv:hep-ph_0501045 - PDF; External link: hep-ph/0501045 PDF
In : 51st Nuclear Science Symposium and Medical Imaging Conference, Rome, Italy, 16 - 22 Oct 2004, pp.1989-1993
10.
An Accurate Ultra-low Current Measurement ASIC for Ionization Chamber Readout / Kundumattathil Mohanan, Sarath
CERN houses one of the most sophisticated pieces of machinery ever built by humans to carry out cutting-edge research in the field of particle physics [...]
CERN-THESIS-2021-331 -


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