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1.
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Initial tests of large format sensors for the ATLAS ITk strip tracker
/ Klein, C T (Cambridge U. ; Carleton U.) ; Hommels, L B A (Cambridge U.) ; Fadeyev, V (UC, Santa Cruz, Inst. Part. Phys.) ; Gillberg, D (Carleton U.) ; Hara, K (Tsukuba U.) ; Keller, J S (Carleton U.) ; Koffas, T (Carleton U.) ; Kroll, J (Prague, Inst. Phys.) ; Lee, S J (Carleton U.) ; Mikestikova, M (Prague, Inst. Phys.) et al.
For the construction of the Inner Tracker (ITk) as part of the phase-II upgrade programme of the ATLAS detector for the High-Luminosity (HL) LHC, batches of Long Strip (LS) and Short Strip (SS) n$^+$ -in-p type micro-strip sensors have been produced by Hamamatsu Photonics and Infineon. The full size sensors measure approximately 98 × 98 mm$^2$ and are designed and engineered for tolerance against the $9.7 × 10^{14}$ 1 MeV n$_{eq}$/cm$^2$ fluence expected at the HL-LHC, including a safety factor of 1.5. [...]
2021 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 986 (2021) 164677
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164677
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2.
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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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3.
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HVMUX, high voltage multiplexing for the ATLAS strip tracker upgrade
/ Villani, E Giulio (Rutherford) ; Dopke, J (Rutherford) ; Phillips, P (Rutherford) ; Zhang, Z (Rutherford) ; Lynn, D (Brookhaven Natl. Lab.) ; Hommels, L B A (Cambridge U.) ; Newcomer, F M (Pennsylvania U.)
The currently adopted HV biasing solution in the ATLAS detector uses one HV conductor for each sensor. This approach allows disabling malfunctioning sensors without affecting the others, but, for the Upgraded detector, space constraints and material budget considerations renders this approach impractical. [...]
2020
- Published in : JINST 15 (2020) C05003
In : 15th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD 2019), Siena, Italy, 14 - 17 Oct 2019, pp.C05003
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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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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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6.
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Detailed studies of full-size ATLAS12 sensors
/ Hommels, L B A (Cambridge U.) ; Allport, P P (Birmingham U.) ; Baca, M (Birmingham U.) ; Broughton, J (Birmingham U.) ; Chisholm, A (Birmingham U.) ; Nikolopoulos, K (Birmingham U.) ; Pyatt, S (Birmingham U.) ; Thomas, J P (Birmingham U.) ; Wilson, J A (Birmingham U.) ; Kierstead, J (Brookhaven) et al.
The “ATLAS ITk Strip Sensor Collaboration” R&D; group has developed a second iteration of single-sided n + -in-p type micro-strip sensors for use in the tracker upgrade of the ATLAS experiment at the High-Luminosity (HL) LHC. The full size sensors measure approximately 97×97mm2 and are designed for tolerance against the 1.1×1015neq/cm2 fluence expected at the HL-LHC. [...]
Elsevier, 2016 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 167-173
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.167-173
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7.
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Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade
/ Hara, K (Tsukuba U., GSPAS ; KEK, Tsukuba) ; Allport, P P (Birmingham U.) ; Baca, M (Birmingham U.) ; Broughton, J (Birmingham U.) ; Chisholm, A (Birmingham U.) ; Nikolopoulos, K (Birmingham U.) ; Pyatt, S (Birmingham U.) ; Thomas, J P (Birmingham U.) ; Wilson, J A (Birmingham U.) ; Kierstead, J (Brookhaven) et al.
The ATLAS group has evaluated the charge collection in silicon microstrip sensors irradiated up to a fluence of 1×1016 n eq /cm 2 , exceeding the maximum of 1.6×1015 n eq /cm 2 expected for the strip tracker during the high luminosity LHC (HL-LHC) period including a safety factor of 2. The ATLAS12, n + -on-p type sensor, which is fabricated by Hamamatsu Photonics (HPK) on float zone (FZ) substrates, is the latest barrel sensor prototype. [...]
2016 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 181-188
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.181-188
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8.
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Study of surface properties of ATLAS12 strip sensors and their radiation resistance
/ Mikestikova, M (Prague, Inst. Phys.) ; Allport, P P (Birmingham U.) ; Baca, M (Birmingham U.) ; Broughton, J (Birmingham U.) ; Chisholm, A (Birmingham U.) ; Nikolopoulos, K (Birmingham U.) ; Pyatt, S (Birmingham U.) ; Thomas, J P (Birmingham U.) ; Wilson, J A (Birmingham U.) ; Kierstead, J (Brookhaven) et al.
A radiation hard n + -in- p micro-strip sensor for the use in the Upgrade of the strip tracker of the ATLAS experiment at the High Luminosity Large Hadron Collider (HL-LHC) has been developed by the “ATLAS ITk Strip Sensor collaboration” and produced by Hamamatsu Photonics..
2016 - 10 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 197-206
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.197-206
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9.
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Embedded pitch adapters: A high-yield interconnection solution for strip sensors
/ Ullán, M (Barcelona, Inst. Microelectron.) ; Allport, P P (Birmingham U.) ; Baca, M (Birmingham U.) ; Broughton, J (Birmingham U.) ; Chisholm, A (Birmingham U.) ; Nikolopoulos, K (Birmingham U.) ; Pyatt, S (Birmingham U.) ; Thomas, J P (Birmingham U.) ; Wilson, J A (Birmingham U.) ; Kierstead, J (Brookhaven) et al.
A proposal to fabricate large area strip sensors with integrated, or embedded, pitch adapters is presented for the End-cap part of the Inner Tracker in the ATLAS experiment. To implement the embedded pitch adapters, a second metal layer is used in the sensor fabrication, for signal routing to the ASICs. [...]
2016 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 221-228
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.221-228
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10.
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Investigation of HV/HR-CMOS technology for the ATLAS Phase-II Strip Tracker Upgrade
/ Fadeyev, V (UC, Santa Cruz) ; Galloway, Z (UC, Santa Cruz) ; Grabas, H (UC, Santa Cruz) ; Grillo, A A (UC, Santa Cruz) ; Liang, Z (UC, Santa Cruz) ; Martinez-Mckinney, F (UC, Santa Cruz) ; Seiden, A (UC, Santa Cruz) ; Volk, J (UC, Santa Cruz) ; Affolder, A (Liverpool U.) ; Buckland, M (Liverpool U.) et al.
ATLAS has formed strip CMOS project to study the use of CMOS MAPS devices as silicon strip sensors for the Phase-II Strip Tracker Upgrade. This choice of sensors promises several advantages over the conventional baseline design, such as better resolution, less material in the tracking volume, and faster construction speed. [...]
2016 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 831 (2016) 189-196
In : 10th International "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Xi'an, China, 25 - 29 Sep 2015, pp.189-196
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