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The ATLAS Alarm Helper
/ Haslbeck, Florian (CERN ; Oxford U.) ; Solans Sánchez, Carlos (CERN) ; Asensi Tortajada, Ignacio (CERN) ; Bortoletto, Daniela (Oxford U.) ; Rummler, André (CERN) ; Uribe, Gustavo A (Antonio Narino U.)
The Detector Safety System is the last line of defence to protect the ATLAS detector against abnormal and potentially even unforeseen situations. It is designed to return the detector to a safe state based on predefined actions triggered by alarms which are triggered on their part by specific sets of conditions. [...]
2024 - 7 p.
- Published in : EPJ Web Conf. 295 (2024) 02014
Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.02014
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Measuring the ATLAS ITk Pixel Detector Material via Multiple Scattering of Positrons at the CERN PS
/ Koch, Simon Florian (Oxford U.) ; Moser, Brian (Oxford U. ; CERN) ; Lindner, Antonín (CERN) ; Dao, Valerio (CERN ; SUNY, Stony Brook) ; Asensi, Ignacio (CERN) ; Bortoletto, Daniela (Oxford U.) ; Brekkum, Marianne (CERN) ; Dachs, Florian (CERN) ; Joos, Hans Ludwig (CERN ; Gottingen U., II. Phys. Inst.) ; van Rijnbach, Milou (CERN ; Oslo U.) et al.
The ITk is a new silicon tracker for the ATLAS experiment designed to increase detector resolution, readout capacity, and radiation hardness, in preparation for the larger number of simultaneous proton-proton interactions at the High Luminosity LHC. [...]
arXiv:2412.04686.
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12.
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Development of the BCM system and readout for ATLAS
/ Asensi Tortajada, Ignacio (CERN) ; Campredon, Adrien Baptiste (CERN) ; Hiti, Bojan (Stefan Inst., Ljubljana) ; Kagan, Harris (Ohio State U.) ; Frais-Kölbl, Helmut (Fachhochsch., Wiener Neustadt) ; Macek, Boštjan (Stefan Inst., Ljubljana) ; Mali, Miha (Stefan Inst., Ljubljana) ; Mikuž, Marko (Stefan Inst., Ljubljana) ; Oh, Alexander (Manchester U.) ; Porter, Alice Laura (Manchester U.) et al.
The High Luminosity upgrade of the Large Hadron Collider will increase the LHC luminosity and with it the density of particles on the detector by an order of magnitude. For protecting the inner silicon detectors of the ATLAS experiment and for monitoring the delivered luminosity, a radiation hard beam monitor has been developed. [...]
2024 - 7 p.
- Published in : PoS VERTEX2023 (2024) 023
Fulltext: PDF;
In : 32nd International Workshop on Vertex Detectors (VERTEX 2023), Sestri Levante, Italy, 16 - 20 Oct 2023, pp.023
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Development of the BCM' System for Beam Abort and Luminosity Monitoring at the HL-LHC
/ Gorišek, Andrej (Stefan Inst., Ljubljana) ; Abusareya, Mo'men (Ohio State U., Columbus (main)) ; Asensi, Ignacio (CERN) ; Hiti, Bojan (Stefan Inst., Ljubljana) ; Kagan, Harris (Ohio State U., Columbus (main)) ; Frais-Kölbl, Helmut (Fachhochsch., Wiener Neustadt) ; Macek, Boštjan (Stefan Inst., Ljubljana) ; Mali, Miha (Stefan Inst., Ljubljana) ; Mikuž, Marko (Stefan Inst., Ljubljana) ; Oh, Alexander (U. Manchester (main)) et al.
The High Luminosity upgrade of Large Hadron Collider (HL-LHC) will increase the LHC Luminosity and with it the density of particles on the detector by an order of magnitude. For protecting the inner silicon detectors of the ATLAS and other experiments and for monitoring the delivered luminosity, a radiation hard beam monitor is being developed. [...]
2023 - 11 p.
- Published in : PoS Pixel2022 (2023) 040
Fulltext: PDF;
In : International Workshop on Semiconductor Pixel Detectors for Tracking and Imaging (PIXEL 2022), Santa Fe, USA, 11 - 16 Dec 2022, pp.040
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Graph-based algorithm for the understanding of failures in the ATLAS infrastructure
/ Uribe, Gustavo A (Antonio Narino U.) ; Asensi Tortajada, Ignacio (CERN) ; Solans Sánchez, Carlos (CERN) ; Rummler, André (CERN) ; Oyulmaz, Kaan Yüksel (Abant Izzet Baysal U.) ; Denizli, Haluk (Abant Izzet Baysal U.)
The ATLAS Technical Coordination Expert System is a knowledge-based application which describes and simulates the ATLAS experiment based on its components and their relationships with differing levels of granularity but with an emphasis on general infrastructure. It facilitates the sharing of knowledge and improves the communication among experts with different backgrounds and domains of expertise. [...]
2023 - 5 p.
- Published in : J. Phys. : Conf. Ser. 2438 (2023) 012045
Fulltext: PDF;
In : 20th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2021), Daejeon, Korea, 29 Nov - 3 Dec 2021, pp.012045
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Radiation hardness of MALTA2 monolithic CMOS imaging sensors on Czochralski substrates
/ van Rijnbach, Milou (CERN ; Oslo U.) ; Berlea, Dumitru Vlad (DESY, Zeuthen) ; Dao, Valerio (CERN) ; Gaži, Martin (Oxford U.) ; Allport, Phil (Birmingham U.) ; Asensi Tortajada, Ignacio (CERN) ; Behera, Prafulla (Indian Inst. Tech., Madras) ; Bortoletto, Daniela (Oxford U.) ; Buttar, Craig (Glasgow U.) ; Dachs, Florian (CERN) et al.
MALTA2 is the latest full-scale prototype of the MALTA family of Depleted Monolithic Active Pixel Sensors (DMAPS) produced in Tower Semiconductor 180 nm CMOS technology. In order to comply with the requirements of High Energy Physics (HEP) experiments, various process modifications and front-end changes have been implemented to achieve low power consumption, reduce Random Telegraph Signal (RTS) noise, and optimise the charge collection geometry. [...]
arXiv:2308.13231.-
2024-03-10 - 16 p.
- Published in : Eur. Phys. J. C 84 (2024) 251
Fulltext: document - PDF; 2308.13231 - PDF;
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MALTA3: Concepts for a new radiation tolerant sensor in the TowerJazz 180 nm technology
/ Dobrijević, Dominik (CERN ; U. Zagreb (main)) ; Allport, Phil (Birmingham U.) ; Asensi, Ignacio (CERN) ; Berlea, Dumitru-Vlad (DESY, Zeuthen) ; Bortoletto, Daniela (U. Oxford (main)) ; Buttar, Craig (Glasgow U.) ; Dachs, Florian (CERN) ; Dao, Valerio (CERN) ; Denizli, Haluk (Abant Izzet Baysal U.) ; Flores, Leyre (CERN) et al.
The upgrade of the MALTA DMAPS designed in Tower 180 nm CMOS Imaging process will implement the numerous modifications, as well as front-end changes in order to boost the charge collection efficiency after the targeted fluence of 1x10$^{15}$ 1 MeV$n_{eq}$/cm$^{2}$. The effectiveness of these changes have been demonstrated in recent measurements with a small-scale Mini-MALTA demonstrator chip. [...]
2022 - 3 p.
In : Vienna Conference on Instrumentation, Online, Online, 21 - 25 Feb 2022, pp.167226
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Latest developments and characterisation results of the MALTA sensors in TowerJazz 180nm for High Luminosity LHC
/ Sharma, Abhishek (CERN) ; Allport, Phil (Birmingham U.) ; Asensi, Ignacio (Valencia U. ; Valencia U., IFIC) ; Berdalovic, Ivan (Zagreb U.) ; Bortoletto, Daniela (Oxford U.) ; Buttar, Craig (Glasgow U.) ; Cardella, Roberto (Geneva U.) ; Dachs, Florian (CERN) ; Dao, Valerio (CERN) ; Dobrijevic, Dominik (Zagreb U.) et al.
The MALTA sensors are Depleted Monolithic Active Pixel Sensors (DMAPS) made using 180nm TowerJazz CMOS technology. These have been iteratively designed towards achieving a high radiation tolerance for applications such as in the outer layers of the HL-LHC’s ATLAS Inner Tracker. [...]
2022 - 7 p.
- Published in : PoS EPS-HEP2021 (2022) 818
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.818
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Understanding ATLAS infrastructure behaviour with an Expert System
/ Asensi, Ignacio (Valencia U.) ; Rummler, André (CERN) ; Solans, Carlos (CERN) ; Uribe, Gustavo Andres (Antonio Narino U.) ; Torres, Jose (Valencia U.)
The ATLAS detector requires a huge infrastructure consisting of numerous interconnected systems forming a complex mesh which undergoes constant maintenance and upgrades. The ATLAS Technical Coordination Expert System provides, by the means of a user interface, a quick and deep understanding of the infrastructure, which helps to plan interventions by foreseeing unexpected consequences, and to understand complex events when time is crucial in the ATLAS control room. [...]
2021 - 8 p.
- Published in : EPJ Web Conf. 251 (2021) 04003
Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.04003
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