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CERN Document Server 2,028 Datensätze gefunden  1 - 10nächsteEnde  gehen zum Datensatz: Die Suche hat 0.25 Sekunden gedauert. 
1.
(100)
Production of $^{{129} \textrm{m}}$Xe and $^{{131} \textrm{m}}$Xe via neutron activation of $^{128}$Xe and $^{130}$Xe at ILL-RHF and NCBJ-MARIA high-flux reactors / Chojnacki, M (CERN ; Geneva U.) ; Kulesz, K (CERN ; Geneva U.) ; Michelon, I (CERN ; INFN, Padua) ; Azaryan, N (CERN ; Mickiewicz U., Poznan) ; Barbero, E (CERN) ; Crepieux, B (CERN) ; Lica, R (CERN ; Bucharest, IFIN-HH) ; Murawski, Ł (NCBJ, Swierk) ; Ziemba, M (NCBJ, Swierk) ; Piersa-Siłkowska, M (CERN) et al.
The long-lived xenon isomers $^{{129} \textrm{m}}$Xe and $^{{131} \textrm{m}}$Xe are of interest for the GAMMA-MRI project, which aims at developing a novel imaging modality based on magnetic resonance of polarized unstable tracers. Here, we present the steps leading to and following the production of these two isomers via neutron irradiation of highly-enriched  $^{128}$Xe and $^{130}$Xe gas samples at two high-flux reactors, the High-Flux Reactor (Réacteur à haut flux, RHF) at the Institut Laue-Langevin (ILL) and the MARIA reactor at the National Centre for Nuclear Research (NCBJ). [...]
2024 - 8 p. - Published in : Appl. Radiat. Isot. 205 (2024) 111174 Fulltext: PDF;
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2.
(91)
A Thermal Sublimation Generator of $^{131 \textrm{m}}$Xe / Kulesz, Karolina (CERN ; Geneva U.) ; Azaryan, Nikolay (CERN) ; Baranowski, Mikołaj (Mickiewicz U., Poznan) ; Chojnacki, Mateusz Jerzy (CERN ; Geneva U.) ; Köster, Ulli (Laue-Langevin Inst.) ; Lica, Razvan (CERN ; Bucharest, IFIN-HH) ; Pascu, Sorin Gabriel (CERN ; Bucharest, IFIN-HH) ; Jolivet, Renaud Blaise (Maastricht U.) ; Kowalska, Magdalena (CERN)
Stable and unstable isotopes of the heavy noble gas xenon find use in various medical applications. However, apart from  $^{133}$Xe, used for Single Photon Emission Computed Tomography, radioactive isotopes of xenon are currently complicated to obtain in small quantities. [...]
2022 - 14 p. - Published in : Instruments 6 (2022) 76 Publication: PDF;
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3.
(43)
A numerical study of the anisotropic distribution of γ-ray emission from oriented $^{129m,131m,133m}$Xe / Kulesz, Karolina (CERN ; Geneva U.) ; Engel, Robin Yoël (CERN ; Oldenburg U.) ; Jolivet, Renaud Blaise (Maastricht U.) ; Kowalska, Magdalena (CERN ; Geneva U.)
Spin-polarized radioactive nuclei emit radioactive decay products in an anisotropic manner that is characteristic of their degree of nuclear orientation. This property can be utilized for nuclear magnetic resonance spectroscopy and imaging. [...]
2023 - 12 p. - Published in : Meas. Sci. Technol. 35 (2024) 025027 Fulltext: PDF;
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4.
(30)
Analysis of gamma decay asymmetries of $^{129m,131m}$Xe in the gamma-MRI experiment / Dupont, Laura
CERN-THESIS-2020-271. - 87 p.

Fulltext
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5.
(27)
Collection of $^{129m,131m,133m}$Xe for the gamma-MRI project / Kulesz, K (CERN, UNIGE) ; Kowalska, M (CERN)
CERN-INTC-2021-019 ; INTC-P-598. - 2021.
Fulltext
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6.
(24)
Collection of $^{129m,131m,133m}$Xe for the gamma-MRI project: IS691 / Chojnacki, M (CERN,UNIGE) ; Kowalska, M (CERN)
CERN-INTC-2023-024 ; INTC-P-598-ADD-1. - 2023.
Fulltext - Original Document (INTC-P-598)
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7.
(21)
Time resolution and power consumption of a monolithic silicon pixel prototype in SiGe BiCMOS technology / Paolozzi, L. (Geneva U.) ; Cardarelli, R. (INFN, Rome2) ; Débieux, S. (Geneva U.) ; Favre, Y. (Geneva U.) ; Ferrère, D. (Geneva U.) ; Gonzalez-Sevilla, S. (Geneva U.) ; Iacobucci, G. (Geneva U.) ; Kaynak, M. (IHP, Frankfurt) ; Martinelli, F. (CERN ; Ecole Polytechnique, Lausanne) ; Nessi, M. (CERN) et al.
SiGe BiCMOS technology can be used to produce ultra-fast, low-power silicon pixel sensors that provide state-of-the-art time resolution even without an internal gain mechanism. The development of such sensors requires the identification of the main factors that may degrade the timing performance and the characterisation of the dependance of the sensor time resolution on the amplifier power consumption. [...]
arXiv:2005.14161.- 2020-11-13 - 12 p. - Published in : JINST 15 (2020) P11025 Fulltext: PDF; Fulltext from publisher: PDF;
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8.
(17)
GAMMA-MRI: Towards a Novel Clinical Imaging Modality Using Long-lived Aligned Gamma Emitters / Kulesz, Karolina
This thesis presents a study of the production and hyperpolarization (HP) of metastable xenon radioisotopes (Xe-129m, Xe-131m, and Xe-133m referred to as mXe) and the investigation of the angular distribution of their γ radiation [...]
CERN-THESIS-2023-197 -

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9.
(16)
Measurements and analysis of different front-end configurations for monolithic SiGe BiCMOS pixel detectors for HEP applications / Martinelli, Fulvio (CERN ; Ecole Polytechnique, Lausanne) ; Magliocca, Chiara (Geneva U.) ; Cardella, Roberto (Geneva U.) ; Charbon, Edoardo (Ecole Polytechnique, Lausanne) ; Iacobucci, Giuseppe (Geneva U.) ; Nessi, Marzio (Geneva U. ; CERN) ; Paolozzi, Lorenzo (Geneva U. ; CERN) ; Rücker, Holger (IHP, Frankfurt) ; Valerio, Pierpaolo (Geneva U.)
This paper presents a small-area monolithic pixel detector ASIC designed in 130 nm SiGe BiCMOS technology for the upgrade of the pre-shower detector of the FASER experiment at CERN. The purpose of this prototype is to study the integration of fast front-end electronics inside the sensitive area of the pixels and to identify the configuration that could satisfy at best the specifications of the experiment. [...]
arXiv:2111.11184.- 2021-12-22 - 20 p. - Published in : JINST 16 (2021) P12038 Fulltext: 2111.11184 - PDF; document - PDF;
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10.
(12)
Testbeam Results of the Picosecond Avalanche Detector Proof-Of-Concept Prototype / Iacobucci, G. (Geneva U.) ; Zambito, S. (Geneva U.) ; Milanesio, M. (Geneva U.) ; Moretti, T. (Geneva U.) ; Saidi, J. (Geneva U.) ; Paolozzi, L. (Geneva U. ; CERN) ; Munker, M. (Geneva U.) ; Cardella, R. (Geneva U.) ; Martinelli, F. (Geneva U.) ; Picardi, A. (Geneva U. ; CERN) et al.
The proof-of-concept prototype of the Picosecond Avalanche Detector, a multi-PN junction monolithic silicon detector with continuous gain layer deep in the sensor depleted region, was tested with a beam of 180 GeV pions at the CERN SPS. The prototype features low noise and fast SiGe BiCMOS frontend electronics and hexagonal pixels with 100 μm pitch. [...]
arXiv:2208.11019.- 2022-10-25 - 22 p. - Published in : JINST 17 (2022) P10040 Fulltext: document - PDF; 2208.11019 - PDF;
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