2025-07-01
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New upper limits for β-delayed fission probabilities of Fr230,232 and Ac230,232,234
/ Bara, S (Leuven U.) ; Algora, A (Valencia U., IFIC) ; Andel, B (Comenius U.) ; Andreyev, A N (York U., England) ; Antalic, S (Comenius U.) ; Bark, R A (iThemba LABS) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Camaiani, A (Leuven U. ; INFN, Florence ; U. Florence (main)) ; Cocolios, T E (Leuven U.) ; Cubiss, J G (Edinburgh U. ; York U., England) et al.
The process of β-delayed fission (βDF) of Fr230,232 and Ac230,232,234 was studied in an experiment performed at the ISOLDE facility at CERN. As no fission fragments were observed for any of the nuclei investigated, upper limits for their βDF probability (PβDF) were determined. [...]
2025 - 11 p.
- Published in : Phys. Rev. C 111 (2025) 065803
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2025-07-01
06:19 |
A Real-Time Semi-Supervised Log Anomaly Detection Framework for ALICE O$^{2}$ Facilities
/ Techaviseschai, Arnatchai (KMUTT, Bangkok) ; Tarnpradab, Sansiri (KMUTT, Bangkok) ; Chibante Barroso, Vasco (CERN) ; Phunchongharn, Phond (KMUTT, Bangkok)
The ALICE (A Large Ion Collider Experiment) detector at the Large Hadron Collider (LHC), operated by the European Organization for Nuclear Research (CERN), is dedicated to heavy-ion collisions. Within ALICE, the application logs of the online computing systems are consolidated through a logging system known as Infologger, which integrates data from various sources. [...]
2025 - 28 p.
- Published in : Appl. Sciences 15 (2025) 5901
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2025-07-01
06:19 |
Neutron capture measurements for s-process nucleosynthesis
/ n_TOF Collaboration
This article presents a review about the main CERN n_TOF contributions to the field of neutron-capture experiments of interest for s-process nucleosynthesis studies over the last 25 years, with a special focus on the measurement of radioactive isotopes. A few recent capture experiments on stable isotopes of astrophysical interest are also discussed. [...]
2025 - 19 p.
- Published in : Eur. Phys. J. A 61 (2025) 105
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2025-07-01
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2025-07-01
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Beam test studies for a SiPM-based RICH detector prototype for the future ALICE 3 experiment
/ Altamura, A R (INFN, Bari ; INFN, Turin) ; Congedo, L (INFN, Bari) ; Robertis, G De (INFN, Bari) ; Bari, D Di (INFN, Bari ; Bari Polytechnic) ; Mauro, A Di (CERN) ; Giliberti, M (INFN, Bari ; Bari Polytechnic) ; Guerra-Pulido, J O (Mexico U., ICN) ; Licciulli, F (INFN, Bari) ; Lorusso, L (INFN, Bari) ; Martinengo, P (CERN) et al.
The ALICE Collaboration is proposing a completely new apparatus, ALICE 3, for the LHC Runs 5 and beyond. In this context, a key subsystem for high-energy charged particle identification will be a proximity-focusing ring-imaging Cherenkov detector using aerogel as radiator and silicon photomultipliers (SiPMs) as photon sensors. [...]
2025 - 13 p.
- Published in : Eur. Phys. J. C 85 (2025) 578
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2025-07-01
06:19 |
Characterization of glass multigap RPC detector with alternative gas to SF6
/ Verzeroli, Mattia (IP2I, Lyon) ; Guida, Roberto (CERN) ; Laktineh, Imad (IP2I, Lyon) ; Mandelli, Beatrice (CERN) ; Rigoletti, Gianluca (CERN)
Glass Multi-gap Resistive Plate Chamber detectors are primarily valued for their exceptional time resolution and are widely used in fields such as high-energy physics and tomography applications. Traditionally, these detectors are operated using Freon-based gas mixtures, primarily composed of C2H2F4 (R134a) and SF6, both classified as greenhouse gases. [...]
2025
- Published in : Nucl. Instrum. Methods Phys. Res., A 1078 (2025) 170591
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2025-07-01
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Development of the new large area Micromegas detector and its readout electronics for the AMBER experiment at CERN
/ Alice, C (INFN, Turin ; Turin U.) ; Alexeev, M (INFN, Turin ; Turin U.) ; Amoroso, A (INFN, Turin ; Turin U.) ; Chiosso, M (INFN, Turin ; Turin U.) ; Chubinidze, Z (Frascati) ; Denisov, O (INFN, Turin) ; Giordano, D (INFN, Turin) ; Gongadze, A (Ilia State U. ; Dubna, JINR) ; Kovyazina, N A (Dubna, JINR) ; Panzieri, D (Piemonte Orientale U., Novara ; INFN, Turin)
For the AMBER (NA66) experiment several upgrades of the COMPASS (NA58) spectrometer are foreseen for the medium and long-term AMBER program. Among this R&D; program the replacement of a part of the Multi-Wire Proportional Chambers (MWPCs) is planned, to face up the aging of some of the structural elements of the MWPC chambers. [...]
2025 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1079 (2025) 170611
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2025-07-01
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2025-07-01
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2025-07-01
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Crystal collimation of heavy-ion beams at the Large Hadron Collider
/ Redaelli, S (CERN) ; Aberle, O (CERN) ; Abramov, A (CERN) ; Bruce, R (CERN) ; Cai, R (CERN ; LPHE, Lausanne) ; Calviani, M (CERN) ; D'Andrea, M (CERN) ; Demassieux, Q (CERN) ; Dewhurst, K (CERN) ; Di Castro, M (CERN) et al.
An important upgrade has been deployed for the collimation system of the Large Hadron Collider (LHC) for lead-ion beams that are already planned to reach their high-luminosity target intensity upgrade in the ongoing LHC Run 3 (2022–2026). While certain effects like e-cloud, beam-beam, impedance, injection, and dump protection are relaxed with ion beams, halo collimation becomes an increasing challenge, as the conventional multistage collimation system is about two orders of magnitude less efficient than that for proton beams. [...]
2025 - 12 p.
- Published in : Phys. Rev. Accel. Beams 28 (2025) 051001
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