2025-05-10
06:26 |
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2025-05-08
06:04 |
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2025-05-08
06:04 |
Direct radiative capture calculations on $^{56}$Fe
/ Gkatis, Georgios (CEA Cadarache ; Natl. Tech. U., Athens) ; Diakaki, Maria (Natl. Tech. U., Athens) ; Mengoni, Alberto (CERN ; INFN, Bologna ; ENEA, Rome) ; Noguere, Gilles (CEA Cadarache)
The theoretical description of the $^{56}$Fe neutron induced reaction cross sections is the subject of many studies within the nuclear data community. Based on these studies, issues were discovered in the evaluated cross sections of the $^{56}$Fe(n,γ) reaction. [...]
2024 - 7 p.
- Published in : EPJ Web Conf. 294 (2024) 04002
Fulltext: PDF;
In : 6th International Workshop On Nuclear Data Evaluation for Reactor applications (WONDER 2023), Aix-en-Provence, 5 Jun - 9 Jun 2023, pp.04002
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2025-05-08
06:04 |
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2025-05-08
06:04 |
Impact of high-intensity LHC beam operation on warm vacuum modules
/ Antuono, C (CERN) ; Krkotić, P (CERN) ; de la Fuente Garcia, E (CERN) ; Zannini, C (CERN) ; Calatroni, S (CERN) ; Baglin, V (CERN) ; Bregliozzi, G (CERN) ; Chiggiato, P (CERN) ; Galloro, A (CERN) ; Giacomel, L (CERN) et al.
During the third run of the Large Hadron Collider in 2023, which had the highest intensity bunch population compared to previous runs, a beam dump incident with operational delays occurred due to increased losses attributed to pressure spikes within a warm vacuum sector. Subsequent inspections revealed localized annealing and plasticization of the tension spring in the sliding contact radio frequency finger of a 212 mm diameter vacuum module, alongside traces of vapor deposition on the various module components with the stainless steel spring material. [...]
2025 - 12 p.
- Published in : Phys. Rev. Accel. Beams 28 (2025) 041001
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2025-05-08
06:04 |
Phase stability compliancy testing of a White Rabbit based solution for the LHC RF and Timing Distribution Backbone upgrade
/ Hazell, P (CERN) ; Baron, S (CERN) ; Gousiou, E (CERN) ; Hagmann, G (CERN) ; Gill, J (Unlisted) ; Lipinski, M (CERN) ; Genoud, Q (CERN) ; Gingold, T (CERN) ; Wlostowski, T (CERN)
The LHC RF and Timing Distribution Backbone is being upgraded for the HL-LHC. A White Rabbit technology solution for the generation and the distribution of the RF, similar to the system currently employed in SPS, is being considered. [...]
2024 - 7 p.
- Published in : JINST 19 (2024) C12019
Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2024, Glasgow, United Kingdom, 30 Sep - 4 Oct 2024, pp.C12019
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2025-05-08
04:34 |
Real-time antiproton annihilation vertexing with submicrometer resolution
/ AEḡIS Collaboration
The primary goal of the AEgIS experiment is to precisely measure the free fall of antihydrogen within Earth's gravitational field. To this end, a cold ~50K antihydrogen beam has to pass through two grids forming a moiré deflectometer before annihilating onto a position-sensitive detector, which shall determine the vertical position of the annihilation vertex relative to the grids with micrometric accuracy. [...]
arXiv:2406.16044.-
2025-04-04 - 10 p.
- Published in : Sci. Adv. 11 (2025) ads1176
Fulltext: 2406.16044 - PDF; document - PDF;
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2025-05-07
04:07 |
Charge radii of neutron-rich scandium isotopes and the seniority symmetry in the $0f_{7/2}$ shell
/ Bai, S.W. (Peking U., SKLNPT) ; Yang, X.F. (Peking U., SKLNPT) ; Koszorús, Á. (Leuven U.) ; Berengut, J.C. (New South Wales U.) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Borschevsky, A. (Groningen U.) ; Campbell, P. (Manchester U.) ; Cheal, B. (Liverpool U.) et al.
Nuclear charge radii of neutron-rich $^{47-49}$Sc isotopes were measured using collinear laser spectroscopy at CERN-ISOLDE. The new data reveal that the charge radii of scandium isotopes exhibit a distinct trend between $N=20$ and $N=28$, with $^{41}$Sc and $^{49}$Sc isotopes having similar values, mirroring the closeness of the charge radii of $^{40}$Ca and $^{48}$Ca. [...]
arXiv:2504.12001.-
2025 - 7 p.
- Published in : Phys. Rev. Lett. 134 (2025) 182501
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2025-05-01
04:05 |
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2025-04-30
05:09 |
Daily modulations and broadband strategy in axion searches: An application with the CAST-CAPP detector
/ Caspers, F. (ESI, Archamps ; CERN) ; Adair, C.M. (British Columbia U.) ; Altenmüller, K. (Zaragoza U.) ; Anastassopoulos, V. (Patras U.) ; Cuendis, S. Arguedas (CERN) ; Baier, J. (Freiburg U.) ; Barth, K. (CERN) ; Belov, A. (Unlisted) ; Bozicevic, D. (Rijeka U.) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) et al.
It has been previously advocated that the presence of the daily and annual modulations of the axion flux on the Earth's surface may dramatically change the strategy of the axion searches. The arguments were based on the so-called Axion Quark Nugget (AQN) dark matter model which was originally put forward to explain the similarity of the dark and visible cosmological matter densities $\Omega_{\rm dark}\sim \Omega_{\rm visible}$. [...]
arXiv:2405.10972.-
2025-04-15 - 18 p.
- Published in : Phys. Rev. D 111 (2025) 082009
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