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Considerations for the VELO detector at the LHCb Upgrade II
/ Akiba, Kazu (Nikhef National institute for subatomic physics (NL)) ; Alexander, Michael Thomas (University of Glasgow (GB)) ; Back, John James (University of Warwick (GB)) ; Bates, Richard (University of Glasgow (GB)) ; Bertella, Claudia (University of Manchester (GB)) ; Van Beuzekom, Martin (Nikhef National institute for subatomic physics (NL)) ; Seman Bobulska, Dana (University of Glasgow (GB)) ; Boente Garcia, Oscar (Universidade de Santiago de Compostela (ES)) ; Bogdanova, Galina (M.V. Lomonosov Moscow State University (RU)) ; Borghi, Silvia (University of Manchester (GB)) et al.
The LHCb experiment is planning to operate with a 7.5-fold increase in instantaneous luminosity for LHC Runs 5 and 6. The performance of the Vertex Locator detector is crucial in the event reconstruction at the increased pile-up, providing real-time information to be used in the trigger. [...]
LHCb-PUB-2022-001; CERN-LHCb-PUB-2022-001.-
Geneva : CERN, 2022 - 98.
Fulltext: PDF;
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Study of CMOS strip sensor for future silicon tracker
/ Han, Y (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Zhu, H (Beijing, Inst. High Energy Phys. ; Beijing U. of Tech.) ; Affolder, A (UC, Santa Cruz) ; Arndt, K (Oxford U.) ; Bates, R (Glasgow U.) ; Benoit, M (Geneva U.) ; Di Bello, F (Geneva U.) ; Blue, A (Glasgow U.) ; Bortoletto, D (Oxford U.) ; Buckland, M (U. Liverpool (main) ; CERN) et al.
Monolithic silicon sensors developed with High-Voltage CMOS (HV-CMOS) processes have become highly attractive for charged particle tracking. Compared with the standard CMOS sensors, HV-CMOS sensors can provide larger and deeper depletion regions that lead to larger signals and faster charge collection. [...]
2020 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 981 (2020) 164520
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164520
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4.
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Charge collection in irradiated HV-CMOS detectors
/ Hiti, B (Stefan Inst., Ljubljana) ; Affolder, A (UC, Santa Cruz) ; Arndt, K (Oxford U.) ; Bates, R (Glasgow U.) ; Benoit, M (Geneva U.) ; Di Bello, F (Geneva U.) ; Blue, A (Glasgow U.) ; Bortoletto, D (Oxford U.) ; Buckland, M (U. Liverpool (main) ; CERN) ; Buttar, C (Glasgow U.) et al.
Active silicon detectors built on p-type substrate are a promising technological solution for large area silicon trackers such as those at the High Luminosity LHC, but the radiation hardness of this novel approach has to be evaluated. Active n-in-p strip detector prototypes CHESS2 for ATLAS with different substrate resistivities in the range of 20–1000 Ωcm were irradiated with neutrons and protons up to a fluence of 2×10$^{15} $n$_{eq}$ cm$^{-2}$ and 3.6×10$^{15} $n$_{eq}$ cm$^{-2}$ . [...]
Elsevier, 2019 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 924 (2019) 214-218
In : 11th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD11) in conjunction with 2nd Workshop on SOI Pixel Detectors (SOIPIX2017) at OIST, Okinawa, Japan, Okinawa, Japan, 10 - 15 Dec 2017, pp.214-218
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5.
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Sub-100 nanosecond temporally resolved imaging with the Medipix3 direct electron detector
/ Paterson, Gary W. (SUPA, UK) ; Lamb, Raymond J. (SUPA, UK) ; Ballabriga, Rafael (CERN) ; Maneuski, Dima (SUPA, UK) ; O'Shea, Val (SUPA, UK) ; McGrouther, Damien (SUPA, UK)
Detector developments are currently enabling new capabilities in the field of transmission electron microscopy (TEM). We have investigated the limits of a hybrid pixel detector, Medipix3, to record dynamic, time varying, electron signals. [...]
arXiv:1905.11884.-
2020-03 - 8 p.
- Published in : Ultramicroscopy 210 (2020) 112917
Fulltext: PDF; Fulltext from publisher: PDF;
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6.
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Charge collection studies in irradiated HV-CMOS particle detectors
/ Affolder, A (Liverpool U.) ; Andelković, M (Nis U.) ; Arndt, K (Oxford U.) ; Bates, R (Glasgow U.) ; Blue, A (Glasgow U.) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Caragiulo, P (SLAC) ; Cindro, V (Stefan Inst., Ljubljana) ; Das, D (Rutherford) et al.
Charge collection properties of particle detectors made in HV-CMOS technology were investigated before and after irradiation with reactor neutrons. Two different sensor types were designed and processed in 180 and 350 nm technology by AMS. [...]
IOP, 2016 - 18 p.
- Published in : JINST 11 (2016) P04007
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Mini-MALTA: Radiation hard pixel designs for small-electrode monolithic CMOS sensors for the High Luminosity LHC
/ Dyndal, M. (CERN) ; Dao, V. (CERN) ; Allport, P. (Birmingham U.) ; Asensi Tortajada, I. (CERN ; Valencia U.) ; Barbero, M. (Marseille, CPPM) ; Bhat, S. (Marseille, CPPM) ; Bortoletto, D. (Oxford U.) ; Berdalovic, I. (CERN ; Zagreb U.) ; Bespin, C. (Bonn U.) ; Buttar, C. (Glasgow U.) et al.
Depleted Monolithic Active Pixel Sensor (DMAPS) prototypes developed in the TowerJazz 180 nm CMOS imaging process have been designed in the context of the ATLAS upgrade Phase-II at the HL-LHC. The pixel sensors are characterized by a small collection electrode (3 $\mu$m) to minimize capacitance, a small pixel size ($36.4\times 36.4$ $\mu$m), and are produced on high resistivity epitaxial p-type silicon. [...]
arXiv:1909.11987.-
2020-02-10 - 17 p.
- Published in : JINST 15 (2020) P02005
Fulltext: 1909.11987 - PDF; fulltext1756274 - PDF; Fulltext from publisher: PDF;
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8.
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Monolithic pixel development in TowerJazz 180 nm CMOS for the outer pixel layers in the ATLAS experiment
/ Berdalovic, I (CERN) ; Bates, R (Glasgow U.) ; Buttar, C (Glasgow U.) ; Cardella, R (CERN) ; Egidos Plaja, N (CERN) ; Hemperek, T (Bonn U.) ; Hiti, B (Stefan Inst., Ljubljana) ; Van Hoorne, J W (CERN) ; Kugathasan, T (CERN) ; Mandic, I (Stefan Inst., Ljubljana) et al.
The upgrade of the ATLAS tracking detector (ITk) for the High-Luminosity Large Hadron Collider at CERN requires the development of novel radiation hard silicon sensor technologies. Latest developments in CMOS sensor processing offer the possibility of combining high-resistivity substrates with on-chip high-voltage biasing to achieve a large depleted active sensor volume. [...]
2018 - 13 p.
- Published in : JINST 13 (2018) C01023
Fulltext: pdf - PDF; 10.1088_1748-0221_13_01_C01023 - PDF;
In : The 11th International conference in Position Sensitive Detectors, Milton Keynes, United Kingdom, 3 - 8 Sep 2017, pp.C01023
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9.
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Development in a Novel CMOS Process for Depleted Monolithic Active Pixel Sensors
/ Moustakas, K (Bonn U.) ; Bates, R (Glasgow U.) ; Buttar, C (Glasgow U.) ; Dalla, M (INFN, Bologna ; U. Bologna, DIFA) ; Hemperek, T (Bonn U.) ; Van Hoorne, J W (CERN) ; Kugathasan, T (CERN) ; Maneuski, D (Glasgow U.) ; Marin Tobon, C A (CERN) ; Musa, L (CERN) et al.
Recent advancements in CMOS technologies enable Depleted Monolithic Active Pixel Sensor (DMAPS) realizations by exploiting high resistivity and/or high voltage biasing to deplete a large active sensing volume. DMAPS have emerged as a promising alternative for particle detection in high energy physics due to their low cost, reduced manufacturing complexity and high granularity. [...]
2018 - 7 p.
- Published in : 10.1109/NSSMIC.2017.8533114
In : 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2017), Atlanta, Georgia, USA, 21 - 28 Oct 2017, pp.8533114
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10.
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Characterisation of the Medipix3 detector for 60 and 80 keV electrons
/ Mir, J A (U. Oxford (main)) ; Clough, R (U. Oxford (main)) ; MacInnes, R (Glasgow U.) ; Gough, C (Glasgow U.) ; Plackett, R (Oxford U.) ; Shipsey, I (Oxford U.) ; Sawada, H (U. Oxford (main) ; Diamond Light Source ; JEOL UK Ltd., Welwyn Garden City) ; MacLaren, I (Glasgow U.) ; Ballabriga, R (CERN) ; Maneuski, D (Glasgow U.) et al.
In this paper we report quantitative measurements of the imaging performance for the current generation of hybrid pixel detector, Medipix3, used as a direct electron detector. We have measured the modulation transfer function and detective quantum efficiency at beam energies of 60 and 80 keV. [...]
2017 - 10 p.
- Published in : Ultramicroscopy 182 (2017) 44-53
Fulltext: PDF;
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