CERN Accelerating science

CERN Published Articles

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2022-01-25
08:42
Benchmarking of FLUKA production cross sections of positron emission tomography isotopes for in-vivo range verification in hadron therapy / Aricò, Giulia (CERN) ; Battistoni, Giuseppe (INFN, Milan ; TIFPA-INFN, Trento) ; Cerutti, Francesco (CERN) ; Horst, Felix (Darmstadt, GSI ; Mittelhessen U., Giessen) ; Mairani, Andrea (HITS, Heidelberg ; pavia cnao) ; Schuy, Christoph (Darmstadt, GSI) ; Weber, Uli (Darmstadt, GSI) ; Ferrari, Alfredo (CERN)
Protons and carbon ions have been extensively used for radiotherapy treatments, and in comparison to conventional radiotherapy, they allow a more conformal dose to the target tumor, especially in case of deep-seated tumors. However, the accuracy of hadron therapy treatments is affected by uncertainties in the particle range calculations. [...]
2020 - 4 p. - Published in : EPJ Web Conf. 239 (2020) 24001
In : International Conference on Nuclear Data for Science and Technology (ND 2019), Beijing, China, 19 - 24 May 2019, pp.24001

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2022-01-25
08:42
Measurement of the $^{16}$O(n, α)$^{13}$C cross-section using a Double Frisch Grid Ionization Chamber / n_TOF Collaboration
The $^{16}$O(n, α)$^{13}$C reaction was proposed to be measured at the neutron time-of-flight (n_TOF) facility of CERN. To this purpose, a Double Frisch Grid Ionization Chamber (DFGIC) containing the oxygen atoms as a component in the counting gas coupled with a switch device in order to prevent the charge collection from the so-called γ-flash has been developed at Helmholtz-Zentrum Dresden-Rossendorf (HZDR), in Germany. The first $^{16}$O(n, α)$^{13}$C measurement without seeing the charge of the γ-flash at n_TOF has been performed in November 2018. [...]
2020 - 5 p. - Published in : EPJ Web Conf. 239 (2020) 01030
In : International Conference on Nuclear Data for Science and Technology (ND 2019), Beijing, China, 19 - 24 May 2019, pp.01030

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2022-01-25
08:42
Ontology-Based and Architecture-Based Method for the Development of Interoperable Care Systems for Type 2 Diabetes Mellitus / Uribe, Gustavo Andres (CERN ; Antonio Narino U.) ; Blobel, Bernd (Regensburg U. ; Charles U., Prague (main)) ; Lopez, Diego M (Unlisted, CO) ; Schultz, Stefan (U. Graz (main)) ; Ruiz, Alonso A (Unlisted, CO)
Processes like the care of type 2 diabetes mellitus patients require support by information systems considering the heterogeneity of the actors from different domains involved, enabling harmonization and integration of their specific methodologies and knowledge representation approaches towards interdisciplinary cooperation. Currently, the development of systems starts from the simplified information world, ignoring the aforementioned heterogeneity and specificity of real-world processes. [...]
2020 - 5 p. - Published in : Digital Personalized Health and Medicine 270 (2020) 352-356

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2022-01-25
08:42
SEU characterization of commercial and custom-designed SRAMs based on 90 nm technology and below / Coronetti, Andrea (CERN ; Jyvaskyla U.) ; Cecchetto, Matteo (CERN) ; Wang, Jialei (Leuven U.) ; Tali, Maris (CERN) ; Martinez, Pablo Fernandez (CERN) ; Kastriotou, Maria (CERN) ; Papadopoulou, Athina (CERN) ; Bilko, Kacper (CERN) ; Castellani, Florent (ENSAE, Toulouse) ; Sacristan, Mario (CERN) et al.
The R2E project at CERN has tested a few commercial SRAMs and a custom-designed SRAM, whose data are complementary to various scientific publications. The experimental data include low- and high-energy protons, heavy ions, thermal, intermediate- and high-energy neutrons, high-energy electrons and high-energy pions..
2020 - 8 p. - Published in : 10.1109/redw51883.2020.9325822
In : 2020 IEEE Radiation Effects Data Workshop, Online, US, 7 Dec 2020, pp.1-8

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2022-01-25
08:42
Charge state tailoring of relativistic heavy ion beams for the Gamma Factory project at CERN / Kröger, F M (U. Jena (main) ; Helmholtz Inst., Jena) ; Weber, G (Helmholtz Inst., Jena ; Darmstadt, GSI) ; Shevelko, V P (LPI, Moscow (main)) ; Hirlaender, S (CERN) ; Krasny, M W (CERN ; Paris U., VI-VII) ; Stöhlker, Th (U. Jena (main) ; Helmholtz Inst., Jena ; Darmstadt, GSI)
We present charge‐state evolution studies for Pb$^{54+}$ ion beams passing through stripper foils at relativistic energies of 5.9 GeV/u. The purpose of this investigation is to determine the optimum target material and non‐equilibrium thickness for the efficient production of few‐electron lead ions, that is, Pb$^{80+}$ and Pb$^{81+}$, at the present European Organization for Nuclear Research, CERN, accelerator facility at energies as high as 5.9 GeV/u. [...]
2019 - 4 p. - Published in : X-ray Spectrom. 49 (2019) 25-28
In : 19th International Conference on Physics of Highly Charged Ions (HCI 2018), Lisbon, Portugal, 3 - 7 Sep 2018, pp.25-28

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2022-01-25
08:42
Design and commissioning of an ion guide system for In-Gas Laser Ionization and Spectroscopy experiments / Sels, S (CERN ; Leuven U.) ; Ferrer, R (Leuven U.) ; Dockx, K (Leuven U.) ; Granados Buitrago, C (Leuven U. ; CERN) ; Huyse, M (Leuven U.) ; Kudryavtsev, Yu (Leuven U.) ; Kraemer, S (Leuven U.) ; Raeder, S (Leuven U.) ; Van Den Bergh, P (Leuven U.) ; Van Duppen, P (Leuven U.) et al.
Radio-frequency (RF) ion guides, also known as Linear Paul Traps, are powerful devices to efficiently transport ion beams from high to low pressure regions while keeping good ion optical properties. A set of ion guides comprising three different RF quadrupole (RFQ) structures has been designed using ion-trajectory simulations to improve the performance of the In-Gas Laser Ionizations and Spectroscopy (IGLIS) technique currently under development at KU Leuven. [...]
2020 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 463 (2020) 148-153

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2022-01-25
08:42
Experimental evaluation of the convection heat transfer coefficient of large particles moving freely in a fluidized bed reactor / Garcia-Gutierrez, L M (Carlos III U., Madrid) ; Hernández-Jiménez, F (Carlos III U., Madrid) ; Cano-Pleite, E (Carlos III U., Madrid ; CERN) ; Soria-Verdugo, A (Carlos III U., Madrid)
Heat transfer is a key aspect in the performance of fluidized bed reactors. In particular, the dense phase heat transfer coefficient, which determines the heat exchanged between the bed and fuel particles, is of special relevance. [...]
2020 - Published in : Int. J. Heat Mass Transf. 135 (2020) 119612

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2022-01-25
08:41
The Most Accurate Determination of the $^{8}$B Half-life / Viñals, S (Madrid, Inst. Estructura Materia) ; Nácher, E (Madrid, Inst. Estructura Materia ; Valencia U., IFIC) ; Tengblad, O (Madrid, Inst. Estructura Materia) ; Benito, J (UCM, Madrid, Dept. Phys.) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Figuera, P (INFN, Catania) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Fynbo, H O U (Aarhus U.) ; Gad, A (Aarhus U.) ; Jensen, J (Aarhus U.) et al.
2020 - 7 p. - Published in : Acta Phys. Pol. B 51 (2020) 717 Fulltext: PDF;
In : 36th Mazurian Lakes Conference on Physics : Probing fundamental laws of nature with exotic nuclei and atoms, Piaski, Poland, 1 - 7 Sep 2019, pp.717

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2022-01-25
08:41
Isomeric 13/2$^+$ state in $^{201}$Fr / Auranen, K (Jyvaskyla U.) ; Jakobsson, U (Jyvaskyla U.) ; Badran, H (Jyvaskyla U.) ; Grahn, T (Jyvaskyla U.) ; Greenlees, P T (Jyvaskyla U.) ; Herzáň, A (Jyvaskyla U. ; Bratislava, Inst. Phys.) ; Julin, R (Jyvaskyla U.) ; Juutinen, S (Jyvaskyla U.) ; Konki, J (Jyvaskyla U. ; CERN) ; Leino, M (Jyvaskyla U.) et al.
We have identified an isomeric state in $^{201}$Fr for which we propose a spin and parity of $13/2^+$, and interpret it as arising from the $\pi(i_{13/2})$ configuration. A half-life of 720(40) ns was measured, corresponding to $B(M2)=0.17(2)$ W.u., in good agreement with those of other $13/2^+ \to 9/2^- [\pi (i_{13/2}) \to \pi(h_{9/2})]$ transitions observed in other nuclei in the region. [...]
2020 - 5 p. - Published in : Phys. Rev. C 101 (2020) 024306

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2022-01-25
08:41
Signatures of enhanced octupole correlations at high spin in $^{136}\mathrm{Nd}$ / Petrache, C M (CSNSM, Orsay) ; Minkov, N (Sofiya, Inst. Nucl. Res.) ; Nakatsukasa, T (Tsukuba U. ; Nishina Ctr., RIKEN) ; Lv, B F (CSNSM, Orsay ; Lanzhou, Inst. Modern Phys. ; Lanzhou U.) ; Astier, A (CSNSM, Orsay) ; Dupont, E (CSNSM, Orsay) ; Zheng, K K (CSNSM, Orsay) ; Greenlees, P (Jyvaskyla U.) ; Badran, H (Jyvaskyla U.) ; Calverley, T (Jyvaskyla U. ; Liverpool U.) et al.
Experimental signatures of moderately enhanced octupole correlations at high spin in $^{136}\mathrm{Nd}$ are indicated for the first time. The extracted dipole moments of two negative-parity bands are only two times smaller than those of the lanthanide nuclei with $N≈90$ which present well-established octupole correlations. [...]
2020 - 8 p. - Published in : Phys. Rev. C 102 (2020) 014311

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