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CERN Document Server Sök i 8 journaler efter:  Sökningen tog 0.57 sekunder. 
1.
Study of the radiation-induced damage mechanism in proton irradiated low gain avalanche detectors and its thermal annealing dependence / Wiehe, Moritz (CERN ; Freiburg U.) ; Fernández García, Marcos (CERN ; Cantabria Inst. of Phys.) ; Hidalgo, Salvador (Barcelona, Inst. Microelectron.) ; Moll, Michael (CERN) ; Otero Ugobono, Sofia (CERN ; Santiago de Compostela U.) ; Parzefall, Ulrich (Freiburg U.) ; Pellegrini, Giulio (Barcelona, Inst. Microelectron.) ; Ventura Barroso, Ana (CERN ; Barcelona U.) ; Vila Alvarez, Ivan (Cantabria Inst. of Phys.)
In this study the effects of proton irradiation and annealing on Low Gain Avalanche Detectors (LGADs) are investigated. Two LGADs and one p-in-n diode, produced by CNM (Centre Nacional de Microelectrònica 2018), were irradiated with 24 GeV∕c -protons to a fluence of 1×10$^{14}$n$_{eq}$∕cm$^{2}$ and annealed at 60°C for up to 5000 min . [...]
2021 - 9 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 986 (2021) 164814 Fulltext: PDF;
2.
Design and simulation of a very high bandwidth data processor for the LHCb VELO Upgrade detector / Otero Ugobono, Sofia
After the LHCb experiment is upgraded, the detector will run at a luminosity of $2 \times 10^{33}\text{ cm}^{-2}\text{ s}^{-1}$ and a readout of 40 MHz [...]
CERN-THESIS-2015-479 - 44 p.

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3.
Search for the decay $B_s^0 \rightarrow \phi \overline{K}^{*0}$ / Otero Ugobono, Sofia
The purpose of this study is analysing the decay channel $B_s^0 \rightarrow \phi \overline{K}^{*0}$ using data samples collected by the LHCb at CERN during the 2011 and 2012 runs [...]
CERN-THESIS-2014-471 - 35 p.

Fulltext - Fulltext (Gailician)
4.
Characterization of irradiated APDs for picosecond time measurements / Centis Vignali, M (CERN) ; Dalal, R (Delhi U.) ; Gallinaro, M (CERN ; LIP, Lisbon) ; Harrop, B (Princeton U.) ; Jain, G (Delhi U.) ; Lu, C (Princeton U.) ; McClish, M (Radiat. Monitor. Devices, Watertown) ; McDonald, K T (Princeton U.) ; Moll, M (CERN) ; Newcomer, F M (Pennsylvania U.) et al.
For their operation at the CERN High Luminosity Large Hadron Collider (HL-LHC), the ATLAS and CMS experiments are planning to implement dedicated systems to measure the time of arrival of minimum ionizing particles with an accuracy of about 30 ps. The timing detectors will be subjected to radiation levels corresponding up to a 1-MeV neutrons fluence ($\Phi_{\mathrm{eq}}$) of $10^{15}$ cm$^{−2}$ for the goal integrated luminosity of HL-LHC of 3000 fb$^{−1}$. [...]
2018 - 10 p. - Published in : JINST 13 (2018) C01041
In : The 11th International conference in Position Sensitive Detectors, Milton Keynes, United Kingdom, 3 - 8 Sep 2017, pp.C01041
5.
Deep Diffused Avalanche Photodiodes for Charged Particles Timing / Centis Vignali, M. (CERN) ; Dias de Almeida, P. (CERN) ; Franconi, L. (Bern U.) ; Gallinaro, M. (CERN ; LIP, Lisbon) ; Gurimskaya, Y. (CERN) ; Harrop, B. (Princeton U.) ; Holmkvist, W. (Lancaster U.) ; Lu, C. (Princeton U.) ; Mateu, I. (CERN) ; McClish, M. (Radiat. Monitor. Devices, Watertown) et al.
The upgrades of ATLAS and CMS for the High Luminosity LHC (HL-LHC) highlighted physics objects timing as a tool to resolve primary interactions within a bunch crossing. Since the expected pile-up is around 200, with an r.m.s. [...]
arXiv:1903.07482.- 2020-04-01 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 958 (2020) 162405 Fulltext: PDF; Fulltext from Publisher: PDF; Published fulltext: PDF;
In : 15th Vienna Conference on Instrumentation, Vienna, Austria, 18 - 22 Feb 2019, pp.162405
6.
Deep Diffused APDs for Charged Particle Timing Applications: Performance after Neutron Irradiation / Centis Vignali, M. (CERN) ; Gallinaro, M. (CERN ; LIP, Lisbon) ; Harrop, B. (Princeton U.) ; Lu, C. (Princeton U.) ; McClish, M. (Radiat. Monitor. Devices, Watertown) ; Moll, M. (CERN) ; Newcomer, F.M. (Pennsylvania U.) ; Otero Ugobono, S. (CERN ; Santiago de Compostela U.) ; White, S. (CERN ; Virginia U.)
Recent interest in pile-up mitigation through fast timing at the HL-LHC has focused attention on technologies that now achieve minimum ionising particle (MIP) time resolution of 30 picoseconds or less. The constraints of technical maturity and radiation tolerance narrowed the options in this rapidly developing field for the ATLAS and CMS upgrades to low gain avalanche detectors and silicon photomultipliers. [...]
arXiv:1812.08433.- 2020-01-01 - 11 p. - Published in : Nucl. Instrum. Meth. A 949 (2020) 162930 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
7.
Characterisation and Optimisation of Radiation-Tolerant Silicon Sensors with Intrinsic Gain / Otero Ugobono, Sofia
The research work of this PhD thesis is performed in the framework of the RD50 Collaboration, working on the development and characterisation of radiation tolerant silicon detectors for high luminosity colliders [...]
CERN-THESIS-2018-264 - 203 p.

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8.
Study of gain homogeneity and radiation effects of Low Gain Avalanche Pad Detectors / Gallrapp, C. (CERN) ; Fernández García, M. (Cantabria Inst. of Phys.) ; Hidalgo, S. (Barcelona, Inst. Microelectron.) ; Mateu, I. (CERN ; Madrid, CIEMAT) ; Moll, M. (CERN) ; Otero Ugobono, S. (CERN) ; Pellegrini, G. (Barcelona, Inst. Microelectron.)
Silicon detectors with intrinsic charge amplification implementing a n ++ -p + -p structure are considered as a sensor technology for future tracking and timing applications in high energy physics experiments. The performance of the intrinsic gain in Low Gain Avalanche Detectors (LGAD) after irradiation is crucial for the characterization of radiation hardness and timing properties in this technology. [...]
2017 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 875 (2017) 27-34 Fulltext: PDF;

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