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2021-06-12
06:33
Multichannel gas electron multiplier based soft x-ray field-programmable gate array measurement system for W-Environment in Steady-state Tokamak (WEST): Hardware, installation, and first plasma acquisition / Wojenski, A (Warsaw U. of Tech.) ; Linczuk, P (Warsaw U. of Tech.) ; Kasprowicz, G (Warsaw U. of Tech.) ; Poźniak, K T (Warsaw U. of Tech.) ; Chernyshova, M (Inst. Plasma Phys., Warsaw) ; Mazon, D (BIAM, St Paul lez Durance) ; Czarski, T (Inst. Plasma Phys., Warsaw) ; Krawczyk, R D (Warsaw U. of Tech. ; CERN) ; Malard, P (BIAM, St Paul lez Durance) ; Malinowski, K (Inst. Plasma Phys., Warsaw) et al.
The work describes a novel approach to the design of a fast, multichannel measurement system for plasma diagnostics [A. Wojenski et al., Fusion Eng. [...]
2021 - Published in : Rev. Sci. Instrum. 92 (2021) 054704

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2021-06-12
06:33
Study of the radioactive contamination of the ion source complex in the Selective Production of Exotic Species (SPES) facility / Centofante, L (Brescia U. ; INFN, Legnaro) ; Donzella, A (Brescia U. ; INFN, Pavia) ; Zenoni, A (Brescia U. ; INFN, Brescia) ; Ferrari, M (CERN) ; Ballan, M (INFN, Legnaro) ; Corradetti, S (INFN, Legnaro) ; D'Agostini, F (INFN, Legnaro) ; Lilli, G (INFN, Legnaro ; Padua U.) ; Manzolaro, M (INFN, Legnaro) ; Monetti, A (INFN, Legnaro) et al.
The Isotope Separation On-Line (ISOL) technique is today established as one of the primary methods to produce high-intensity and high-quality radioactive beams. This technique produces, for a given amount of the desired isotope, many orders of magnitude of other radioactive species. [...]
2021 - Published in : Rev. Sci. Instrum. 92 (2021) 053304

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2021-06-12
06:33
Eurados Strategic Research Agenda 2020: Vision for the Dosimetry of Ionising Radiation / Harrison, R M (Newcastle U., United Kingdom) ; Ainsbury, E (Unlisted, UK) ; Alves, J (Lisbon, IST) ; Bottollier-Depois, J-F (IRSN, France) ; Breustedt, B (KIT, Karlsruhe) ; Caresana, M (Milan Polytechnic) ; Clairand, I (IRSN, France) ; Fantuzzi, E (ENEA, Bologna) ; Fattibene, P (Rome, ISS) ; Gilvin, P et al.
Since 2012, the European Radiation Dosimetry Group (EURADOS) has developed its Strategic Research Agenda (SRA), which contributes to the identification of future research needs in radiation dosimetry in Europe. Continued scientific developments in this field necessitate regular updates and, consequently, this paper summarises the latest revision of the SRA, with input regarding the state of the art and vision for the future contributed by EURADOS Working Groups and through a stakeholder workshop. [...]
2021 - 15 p. - Published in : Radiat. Prot. Dosim. 194 (2021) 42-56 Fulltext: PDF;

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2021-06-12
06:33
Development of an effective hybrid system for generation and distribution of electric power for autonomous unmanned underwater vehicles / Kiselev, N (Unlisted, RU) ; Martynova, L (Unlisted, RU)
The problem of coordinated operation of a hybrid system for generation and distribution of electric power to provide motion for an underwater vehicle is addressed. The architecture of a multi-agent vehicle system is chosen, the optimum distribution of consumers to electric lines is defined, effective switching of consumers between electric lines, with due regard to the functional and non-functional requirements for the system, is developed..
2021 - 4 p. - Published in : J. Phys. : Conf. Ser. 1864 (2021) 012143 Fulltext: PDF;

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2021-06-11
04:17
Heavy-ion physics: freedom to do hot, dense, exciting QCD / Tejeda-Yeomans, Maria Elena (Colima U.)
In these two lectures I review the basics of heavy-ion collisions at relativistic energies and the physics we can do with them. I aim to cover the basics on the kinematics and observables in heavy-ion collider experiments, the basics on the phenomenology of the nuclear matter phase diagram, some of the model building and simulations currently used in the heavy-ion physics community and a selected list of amazing phenomenological discoveries and predictions..
arXiv:2004.13812.- 2021-05-31 - 24 p. - Published in : CERN Yellow Rep. School Proc. 2 (2021) 137 Fulltext: PDF;
In : 2019 CERN-Latin-American School of High-Energy Physics, Villa General Belgrano, Argentina, 13 - 26 March, 2019, pp.137 (CERN-2021-002)

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2021-06-10
06:08
Photon Counting Detectors for X-ray Imaging with Emphasis on CT / Ballabriga, R (CERN) ; Alozy, J (CERN) ; Bandi, F N (CNA, Seville) ; Campbell, M (CERN) ; Egidos, N (CERN) ; Fernandez-Tenllado, J M (CERN) ; Heijne, E H M (CERN ; IEAP CTU, Prague) ; Kremastiotis, I (CERN) ; Llopart, X (CERN) ; Madsen, B J (CERN) et al.
X-ray imaging is a widely used imaging modality in the medical diagnostic field due to its availability, low cost, high spatial resolution and fast image acquisition. X-ray photons in standard X-ray sources are polychromatic [...]
2020 - 22 p. - Published in : 10.1109/trpms.2020.3002949

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2021-06-10
06:08
Exploring Cherenkov emission of BGO for TOF-PET / Kratochwil, Nicolaus (CERN ; Vienna U.) ; Auffray, Etiennette (CERN) ; Gundacker, Stefan (CERN)
Bismuth germanate (BGO) was the preferred crystal for PET scanners, but was substituted with the emergence of faster crystals. Improvements in Silicon Photomultipliers (SiPMs) and the use of fast high frequency readout make it possible to use the prompt Cherenkov emission in BGO in order to boost the achievable coincidence time resolution significantly. The large fluctuations in the detected Cherenkov photon yield are causing time or amplitude walk effects in the leading edge time discrimination, which are corrected by measuring the initial signal rise time via a double threshold system. [...]
2020 - 12 p. - Published in : 10.1109/trpms.2020.3030483 Fulltext from publisher: PDF;

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2021-06-10
06:08
Interactive image segmentation of MARS datasets using bag of features / Kanithi, Praveenkumar (Canterbury U.) ; de Ruiter, Niels J A (Canterbury U. ; Otago U. ; MARS Bioimaging) ; Amma, Maya R (Otago U.) ; Lindeman, Robert W (Canterbury U.) ; Butler, Anthony P H (Canterbury U. ; MARS ; Otago U. ; CERN) ; Butler, Philip H (Canterbury U. ; MARS Bioimaging ; Otago U. ; CERN) ; Chernoglazov, Alexander I (Canterbury U. ; MARS Bioimaging) ; Mandalika, V B H (Canterbury U. ; MARS Bioimaging) ; Adebileje, Sikiru A (Canterbury U. ; Otago U.) ; Alexander, Steven D (MARS Bioimaging) et al.
In this paper, we propose a slice-based interactive segmentation of spectral CT datasets using a bag of features method. The data is acquired from a MARS scanner which divides up the x-ray spectrum into multiple energy bins for imaging. [...]
2020 - 9 p. - Published in : 10.1109/trpms.2020.3030045

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2021-06-10
06:08
Assessment of material identification errors, image quality and radiation doses using small animal spectral photon-counting CT / MARS Collaboration
Photon-counting CT offers the potential to provide new diagnostic information. In this study, we sought to determine the interplay between material identification errors, image quality indicators, and radiation doses using photon-counting spectral CT, and to determine whether this relationship is replicated in spectral CT scans of mice. [...]
2020 - 22 p. - Published in : 10.1109/trpms.2020.3003260

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2021-06-10
04:00
Prospects for New Physics searches with ${{\Lambda } ^0_{\mathrm {b}}} \!\rightarrow {\Lambda } (1520) {{\ell ^+} {\ell ^-}} $ decays / Amhis, Yasmine (IJCLab, Orsay) ; Descotes-Genon, Sébastien (IJCLab, Orsay) ; Marin Benito, Carla (IJCLab, Orsay) ; Novoa-Brunet, Martín (IJCLab, Orsay) ; Schune, Marie-Hélène (IJCLab, Orsay)
We present the prospects of an angular analysis of the $\Lambda_b \to \Lambda(1520)\ell^+\ell^-$ decay. Using the expected yield in the current dataset collected at the LHCb experiment, as well as the foreseen ones after the LHCb upgrades, sensitivity studies are presented to determine the experimental precision on angular observables related to the lepton distribution and their potential to identify New Physics. [...]
arXiv:2005.09602.- 2021-06-02 - 15 p. - Published in : Eur. Phys. J. Plus 136 (2021) 614 Fulltext: PDF;

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