CERN Accelerating science

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1.
Investigation of new technologies to improve light collection from scintillating crystals for fast timing / Pots, Rosalinde Hendrika
Inorganic scintillating crystals have been very successful in a variety of applications, such as high energy physics, medical physics, home land security and others [...]
CERN-THESIS-2022-174 - 218 p.


10.18154/RWTH-2022-04865
2.
Enhancing Light Extraction of Inorganic Scintillators Using Photonic Crystals / Salomoni, Matteo (Milan Bicocca U. ; CERN) ; Pots, Rosalinde (CERN ; RWTH Aachen U.) ; Auffray, Etiennette (CERN) ; Lecoq, Paul (CERN)
Inorganic scintillators are commonly used as sensors for ionizing radiation detectors in a variety of applications, ranging from particle and nuclear physics detectors, medical imaging, nuclear installations radiation control, homeland security, well oil logging and a number of industrial non-destructive investigations. For all these applications, the scintillation light produced by the energy deposited in the scintillator allows the determination of the position, the energy and the time of the event. [...]
2018 - 35 p. - Published in : Crystals 8 (2018) 78 Fulltext: PDF; External link: Fulltext
3.
Exploiting Cross-Luminescence in BaF$_2$ for Ultrafast Timing Applications Using Deep-Ultraviolet Sensitive HPK Silicon Photomultipliers / Pots, Rosalinde Hendrika (CERN ; RWTH Aachen U.) ; Auffray, Etiennette (CERN) ; Gundacker, Stefan (CERN ; Milan Bicocca U.)
Time resolution of scintillation-based detectors is becoming continuously more important. In medical applications, especially in positron emission tomography (PET), better time of flight (TOF) information of the emitted gammas leads to a higher signal-to-noise ratio in the reconstructed image. [...]
2020 - 11 p. - Published in : Front. Phys. 8 (2020) 482 Fulltext: PDF;
4.
Experimental time resolution limits of modern SiPMs and TOF-PET detectors exploring different scintillators and Cherenkov emission / Gundacker, Stefan (Milan Bicocca U. ; CERN) ; Martinez Turtos, Rosana (CERN) ; Kratochwil, Nicolaus (CERN ; Vienna U.) ; Pots, Rosalinde Hendrika (CERN ; RWTH Aachen U.) ; Paganoni, Marco (Milan Bicocca U. ; CERN) ; Lecoq, Paul (CERN) ; Auffray, Etiennette (CERN)
Solid state photodetectors like silicon photomultipliers (SiPMs) are playing an important role in several fields of medical imaging, life sciences and high energy physics. They are able to sense optical photons with a single photon detection time precision below 100 ps, making them ideal candidates to read the photons generated by fast scintillators in time of flight positron emission tomography (TOF-PET). [...]
2020 - 20 p. - Published in : Phys. Med. Biol. 65 (2020) 025001 Fulltext: PDF;
5.
Improving light output and coincidence time resolution of scintillating crystals using nanoimprinted photonic crystal slabs / Pots, Rosalinde Hendrika (CERN ; RWTH Aachen U.) ; Salomoni, Matteo (CERN ; Milan Bicocca U.) ; Gundacker, Stefan (CERN ; Milan Bicocca U.) ; Zanettini, Silvia (Silsef, Archamps) ; Gâté, Valentin (Silsef, Archamps ; Napa Technologies, Archamps) ; Usureau, Elise (Napa Technologies, Archamps) ; Turover, Daniel (Silsef, Archamps ; Napa Technologies, Archamps) ; Lecoq, Paul (CERN) ; Auffray, Etiennette (CERN)
Scintillating crystals are used in numerous applications of ionizing radiation detectors. In time of flight positron emission tomography (TOF-PET) for example, both energy and coincidence time resolution (CTR) are important characteristics that could significantly benefit if more light from scintillators, otherwise trapped, could be collected by the photodetector. [...]
2019 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 940 (2019) 254-261 Fulltext from Publisher: PDF;
6.
Enhanced Scintillation Light Extraction Using Nanoimprinted Photonic Crystals / Singh, Bipin (Radiat. Monitor. Devices, Watertown) ; Marshall, Matthew S J (Radiat. Monitor. Devices, Watertown) ; Waterman, Shane (Radiat. Monitor. Devices, Watertown) ; Pina-Hernandez, Carlos (aBeam Technologies, Hayward) ; Koshelev, Alexander (aBeam Technologies, Hayward) ; Munechika, Keiko (aBeam Technologies, Hayward) ; Knapitsch, Arno (CERN) ; Salomoni, Matteo (CERN) ; Pots, Rosalinde (CERN) ; Lecoq, Paul (CERN) et al.
The extraction of scintillation light from a crystal with high efficiency and low time jitter is vital for realizing much-needed gains in the performance of numerous radiation detection and imaging instruments that are vital components in medical imaging, industrial, and homeland security applications for the detection, localization, and energy classification of X-rays, $\gamma$-rays, or neutrons. Nanostructures such as photonic crystals (PhCs) maximize extraction of usable scintillation light that is otherwise lost when a high refractive index (RI) scintillator is coupled to a photodetector with low RI window. [...]
2018 - 7 p. - Published in : IEEE Trans. Nucl. Sci. 65 (2018) 1059-1065
7.
Design of a 56-GJ Twin Solenoid and Dipoles Detector Magnet System for the Future Circular Collider / Mentink, Matthias (CERN) ; Dudarev, Alexey (CERN) ; Pais Da Silva, Helder Filipe (CERN) ; Berriaud, Christophe Paul (Saclay ; CERN) ; Rolando, Gabriella (CERN) ; Pots, Rosalinde (CERN) ; Cure, Benoit (CERN) ; Gaddi, Andrea (CERN) ; Klyukhin, Vyacheslav (CERN) ; Gerwig, Hubert (CERN) et al.
An aggressive low-mass and high-stress design of a very large detector magnet assembly for the Future Circular Collider (FCC-hh), consisting of a “twin solenoid” and two dipoles, is presented. The twin solenoid features two concentric solenoids. [...]
2016 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4003506
In : 12th European Conference on Applied Superconductivity, Lyon, France, 06 - 10 Sep 2015, pp.4003506
8.
Validation of Quench Simulation and Simulation of the TWIN Solenoid / Pots, Rosalinde Hendrika (Nikhef National institute for subatomic physics (NL))
For the Future Circular Collider at CERN a multi-purpose detector is proposed. [...]
CERN-STUDENTS-Note-2015-250.
- 2015
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