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1.
Slow control of the Belle II Aerogel Ring Imaging detector
Rok Pestotnik, Karol Adamczyk, Rok Dolenec, Samo Korpar, Peter Križan, Andrej Lozar, Luka Šantelj, Andrej Seljak, Luka Senekovič, 2023, izvirni znanstveni članek

Objavljeno v DKUM: 09.05.2024; Ogledov: 46; Prenosov: 7
.pdf Celotno besedilo (1,96 MB)
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2.
Exploring the potential of a Cherenkov TOF PET scanner : a simulation study
Gašper Razdevšek, Rok Pestotnik, Peter Križan, Samo Korpar, Dania Consuegra Rodríguez, Andrej Seljak, Andrej Studen, Rok Dolenec, 2023, izvirni znanstveni članek

Opis: The detection of annihilation photons in positron emission tomography (PET) is based on scintillation light detection, but an interesting alternative is detection based on Cherenkov photons. Dense Cherenkov radiators provide an opportunity for high gamma detection efficiency—due to their high stopping power and photofraction—and excellent coincidence time resolution (CTR). However, because only a few tens of Cherenkov photons follow a gamma interaction in the radiator, the detection efficiency, and the energy resolution of a pure Cherenkov detector are an issue. This work explores gamma detection efficiency and CTR of PbF2-based detectors with different surface treatments and photodetectors covering one, two, or all crystal faces. Following the detector simulation analysis, we investigate the potential performance of a full-size Cherenkov PET scanner and quantitatively compare image quality with a commercial clinical PET scanner. We demonstrate that even though pure Cherenkov scanners have basically no energy resolution, the scatter fraction of around 50% is not prohibitively large, and images comparable to the state-of-the-art clinical PET scanner can be achieved due to improved efficiency and CTR attainable with PbF2.
Ključne besede: Cherenkov TOF PET Scanner
Objavljeno v DKUM: 02.04.2024; Ogledov: 91; Prenosov: 2
.pdf Celotno besedilo (2,54 MB)
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3.
LAPPD operation using ToFPETv2 PETSYS ASIC
Andrej Seljak, Marko Bračko, Rok Dolenec, Peter Križan, Andrej Lozar, Rok Pestotnik, Samo Korpar, 2023, objavljeni znanstveni prispevek na konferenci

Opis: Single photon sensitive detectors used in high energy physics are, in some applica-tions, required to cover areas the size of several m2, and more specifically in very strong demand with an ever finer imaging and timing capability for Cherenkov Ring Imaging Detector (RICH) configurations. We are evaluating the Large Area Picosecond Photo-detector (LAPPD) produced by INCOM company, as a possible candidate for future RICH detector upgrades. In this work we perform tests on the second generation device, which is capacitively coupled to a custom designed anode back plane, consisting of various pixels and strips varying in size, that allows for connecting various readout systems such as standard laboratory equipment, as well as the TOFPET2 ASIC from PETsys company. Our aim is to evaluate what can be achieved by merging currently available technology, in order to find directions for future developments adapted for specific uses.
Ključne besede: data acquisition circuits, data acquisition concept, front-end electronics for detector readou, digital electronic circuits
Objavljeno v DKUM: 06.02.2024; Ogledov: 162; Prenosov: 8
.pdf Celotno besedilo (1,36 MB)
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Postavitev razširjenega LAN-a : diplomsko delo visokošolskega strokovnega študija
Luka Dolenec, 2007, diplomsko delo

Ključne besede: LAN, TCP/IP, WLAN
Objavljeno v DKUM: 31.03.2008; Ogledov: 4474; Prenosov: 161

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