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1.
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A two-layer Timepix3 stack for improved charged particle tracking and radiation field decomposition
/ Smolyanskiy, P (Prague, Tech. U.) ; Bacak, M (CERN) ; Bergmann, B (Prague, Tech. U.) ; Broulím, P (Pilsen U.) ; Burian, P (Prague, Tech. U. ; Pilsen U.) ; Čelko, T (Prague, Tech. U.) ; Garvey, D (Prague, Tech. U.) ; Gunthoti, K (Los Alamos) ; Infantes, F G (Granada U., Theor. Phys. Astrophys. ; CERN) ; Mánek, P (Prague, Tech. U. ; University Coll. London) et al.
We characterize a novel instrument designed for radiation field decomposition and particletrajectory reconstruction for application in harsh radiation environments. The device consists oftwo Timepix3 assemblies with 500 µm thick silicon sensors in a face-to-face geometry. [...]
2024 - 13 p.
- Published in : JINST
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C02016
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2.
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Comparison of measurement and simulation of ATLAS cavern radiation background
/ Heijne, E (CERN ; IEAP CTU, Prague) ; Koi, T (SLAC) ; Leroy, C (Montreal U.) ; Oberlack, H (Munich, Max Planck Inst.) ; Pospisil, S (IEAP CTU, Prague) ; Sherwood, P (Imperial Coll., London) ; Shupe, M (Arizona U.) ; Solc, J (IEAP CTU, Prague) ; Suk, M (IEAP CTU, Prague) ; Takai, H (Brookhaven) et al.
Sixteen Medipix2 pixel detector based (MPX) devices were
operated at various positions within the ATLAS detector and cavern
continuously from early 2008 up to 2013. In addition to photons,
each MPX detector is capable to detect charged particles, and
neutrons as it is covered with a mask of converter materials
dividing its area into regions sensitive to thermal or fast
neutrons. [...]
2022 - 35 p.
- Published in : JINST 17 (2022) P01027
Fulltext: PDF;
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3.
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Thermal neutron measurements by Timepix detector in H4IRRAD at CERN
/ Biskup, B (ECFA ; Prague, Tech. U.) ; Brugger, M (CERN) ; Calviani, M (CERN) ; Efthymiopoulos, I (CERN) ; Pospisil, S (Prague, Tech. U.) ; Solc, J (Prague, Inst. Metrology) ; Stekl, I (Prague, Tech. U.) ; Vykydal, Z (Prague, Inst. Metrology)
Timepix, a pixel detector, was installed in the H4IRRAD irradiation area at CERN to study its response to a mixed radiation field. The measured data were compared to Monte Carlo simulations performed by the FLUKA code. [...]
2019
- Published in : Nucl. Instrum. Methods Phys. Res., A 944 (2019) 162530
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4.
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Induced radioactivity in ATLAS cavern measured by MPX detector network
/ Campbell, M (CERN) ; Heijne, E (IEAP CTU, Prague ; CERN) ; Leroy, C (Montreal U.) ; Nessi, M (CERN) ; Pospisil, S (IEAP CTU, Prague) ; Solc, J (IEAP CTU, Prague ; Czech Metrology Inst., Brno) ; Suk, M (IEAP CTU, Prague) ; Turecek, D (IEAP CTU, Prague ; CESNET, Praha) ; Vykydal, Z (IEAP CTU, Prague ; Czech Metrology Inst., Brno)
An application of the use of MPX detectors for the measurement of induced radioactivity in the Large Hadron Collider (LHC) experiment environment is presented. The sixteen ATLAS-MPX detectors measured the associated photon ambient dose equivalent rate (H$^*$(10) rate) in ATLAS due to the LHC operation. [...]
2019 - 13 p.
- Published in : JINST 14 (2019) P03010
Fulltext from Publisher: PDF;
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5.
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Penetration of ionizing radiation from ATLAS cavern into USA15 measured by MPX detectors
/ Campbell, M (CERN) ; Heijne, E (IEAP CTU, Prague ; CERN) ; Leroy, C (Montreal U.) ; Nessi, M (CERN) ; Pospisil, S (IEAP CTU, Prague) ; Solc, J (IEAP CTU, Prague ; Czech Metrology Inst., Brno) ; Suk, M (IEAP CTU, Prague) ; Turecek, D (IEAP CTU, Prague ; CESNET, Praha) ; Vykydal, Z (IEAP CTU, Prague ; Czech Metrology Inst., Brno)
The attenuation of the ionizing radiation through a concrete wall between the ATLAS Cavern UX15 and Service Cavern USA15 was measured during LHC collisions in 2012 with two ATLAS-MPX detectors. The detectors were mounted on either side of the wall separating UX15 and USA15. [...]
2019 - 8 p.
- Published in : JINST 14 (2019) P02020
Fulltext: PDF; Fulltext from Publisher: PDF;
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6.
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7.
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8.
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9.
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Luminosity from thermal neutron counting with MPX detectors and relation to ATLAS reference luminosity at $\sqrt s =$ 8 TeV proton-proton collisions
/ Sopczak, A (IEAP CTU, Prague) ; Ali, B (IEAP CTU, Prague) ; Asbah, N (Montreal U.) ; Bergmann, B (IEAP CTU, Prague) ; Bekhouche, K (Biskra U.) ; Caforio, D (IEAP CTU, Prague) ; Campbell, M (CERN) ; Heijne, E (IEAP CTU, Prague) ; Leroy, C (Montreal U.) ; Lipniacka, A (Bergen U.) et al.
A luminosity determination based on thermal neutron counting with six MPX silicon pixel devices installed in the ATLAS cavern is presented. Recently, the ATLAS Collaboration published final √s=8 TeV luminosity results. [...]
2017 - 8 p.
- Published in : JINST 12 (2017) P09010
Fulltext: PDF;
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10.
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ATLAS-TPX: a two-layer pixel detector setup for neutron detection and radiation field characterization
/ Bergmann, B (IEAP CTU, Prague) ; Caicedo, I (IEAP CTU, Prague) ; Leroy, C (Montreal U.) ; Pospisil, S (IEAP CTU, Prague) ; Vykydal, Z (IEAP CTU, Prague ; Prague, Inst. Metrology)
A two-layer pixel detector setup (ATLAS-TPX), designed for thermal and fast neutron detection and radiation field characterization is presented. It consists of two segmented silicon detectors (256 × 256 pixels, pixel pitch 55 μm, thicknesses 300 μm and 500 μm) facing each other. [...]
2016 - 25 p.
- Published in : JINST 11 (2016) P10002
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