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CERN Document Server 518,758 records found  beginprevious346 - 355nextend  jump to record: Search took 0.94 seconds. 
346.
New simulation of the CERN Gamma Irradiation Facility (GIF++) / Ferrara, N (Bari U. ; INFN, Bari) ; Iaselli, G (Bari U. ; INFN, Bari) ; Pugliese, G (Bari U. ; INFN, Bari) ; Ramos, D (Bari U. ; INFN, Bari) ; Lakshmaiah, U (Bari U. ; INFN, Bari)
The simulation of the GIF++ facility at CERN has been updated to consider the experimental area that was upgraded in 2015. A new geometry was implemented in the Geant4 simulation code to calculate dose and flux distributions in the bunker. [...]
2025 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170724 Fulltext: PDF;
In : 17th International Conference on Resistive Plate Chambers and Related Detectors, Santiago de Compostela, 09 - 13 Sep 2024, pp.170724
Detailed record
347.
Threshold for loss of Landau damping in double-harmonic rf systems / Intelisano, Leandro (CERN) ; Damerau, Heiko (CERN) ; Karpov, Ivan (CERN)
The loss of Landau damping (LLD) can lead to beam quality degradation in single- and multi-bunch beams in synchrotrons. In the longitudinal plane, the LLD threshold is increased by reducing the beam-coupling impedance, applying controlled emittance blowup, or employing higher-harmonic rf systems. [...]
2025 - 17 p. - Published in : Phys. Rev. Accel. Beams 28 (2025) 104402 Fulltext: PDF;
Detailed record
348.
ELDRS in a Commercial 28-nm CMOS Technology / Borghello, Giulio (CERN) ; Termo, Gennaro (CERN ; Ecole Polytechnique, Lausanne) ; Faccio, Federico (CERN) ; Ceresa, Davide (CERN) ; Pejašinović, Risto (CERN) ; Bergamin, Gianmario (CERN) ; Diaz, Francisco Piernas (CERN) ; Kloukinas, Kostas (CERN)
Evidence of enhanced low-dose-rate sensitivity (ELDRS) in total ionizing dose (TID)-induced leakage current increase was observed in ring oscillators (ROs) and static random access memories (SRAMs) in 28-nm CMOS technology exposed to ultrahigh doses. Elevated temperature irradiation on isolated devices is used to evaluate the dependence of ELDRS on bias conditions, device size, and threshold voltage. [...]
2025 - 10 p. - Published in : IEEE Trans. Nucl. Sci. 72 (2025) 2276-2285
Detailed record
349.
Recent progress in classical string cosmology / Veneziano, Gabriele (CERN ; College de France)
I will summarise recent work on constructing regular bouncing string cosmologies in the framework of Hohm and Zwiebach’s classification of all order $\alpha '$ corrections compatible with $O(d, d)$ symmetry..
2025 - 15 p. - Published in : Gen. Relativ. Gravit. 57 (2025) 151 Fulltext: PDF;
Detailed record
350.
Salt: Multimodal Multitask Machine Learning for High Energy Physics / Barr, Jackson (Imperial Coll., London) ; Biswas, Diptaparna (Siegen U.) ; Draguet, Maxence (Oxford U.) ; Gadow, Philipp (CERN) ; Haines, Emil (Imperial Coll., London) ; Karkout, Osama (NIKHEF, Amsterdam) ; Kobylianskii, Dmitrii (Weizmann Inst.) ; Lai, Wei Sheng (Imperial Coll., London) ; Leigh, Matthew (U. Geneva (main)) ; Luongo, Nicholas (Argonne (main)) et al.
2025 - 4 p. - Published in : J. Open Source Softw. 10 (2025) 7217 Fulltext: PDF;
Detailed record
351.
Charting the luminosity capabilities of the CERN Large Hadron Collider with various nuclear species / Waagaard, E. (EPFL-ISIC, Lausanne ; CERN) ; Bruce, R. (CERN) ; Fernandez, R. Alemany (CERN) ; Bartosik, H. (CERN) ; Jowett, J.M. (CERN ; Darmstadt, GSI) ; Triantafyllou, N. (CERN)
The Large Hadron Collider (LHC) at CERN has been instrumental in recent advances in experimental high energy physics by colliding beams of protons and heavier nuclei at unprecedented energies. The present heavy-ion programme is based mainly on colliding lead nuclei. [...]
arXiv:2508.19653.- 2025-10-24 - 17 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1083 (2026) 171118 Fulltext: 2508.19653 - PDF; document - PDF;
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352.
Turbulence and Magnetic Reconnection in Relativistic Multispecies Plasmas / Imbrogno, Mario (Calabria U.) ; Meringolo, Claudio (Goethe U., Frankfurt (main)) ; Cruz-Osorio, Alejandro (UNAM, Mexico) ; Rezzolla, Luciano (Goethe U., Frankfurt (main) ; CERN ; Trinity Coll., Dublin) ; Cerutti, Benoît (U. Grenoble Alpes) ; Servidio, Sergio (Calabria U.)
Simulations of relativistic plasmas traditionally focus on the dynamics of two-species mixtures of charged particles under the influence of external magnetic fields and those generated by particle currents. However, the extreme conditions of astrophysical plasmas near compact objects such as black holes and neutron stars are often characterized by mixtures of electrons, protons, and positrons, whose dynamics can differ significantly because of the considerable mass contrast. [...]
arXiv:2505.09700.- 2025-09-01 - 10 p. - Published in : Astrophys. J. Lett. 990 (2025) L33 Fulltext: 2505.09700 - PDF; document - PDF;
Detailed record
353.
The dark dimension, proton decay, and the length of the M-theory interval / Reig, Mario (CERN) ; Ruiz, Ignacio (CERN)
The existence of a large extra dimension in which only gravity propagates would have spectacular consequences for cosmology and laboratory experiments. [...]
CERN-TH-2025-207 ; arXiv:2510.25832. - 9.
Fulltext
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354.
Five-dimensional gravitational Raman scattering: Scalar wave perturbations in Schwarzschild-Tangherlini spacetime / Akhtar, Samim (IMSc, Chennai ; HBNI, Mumbai) ; Bautista, Yilber Fabian (IPhT, Saclay) ; Iossa, Cristoforo (U. Geneva (main) ; CERN) ; Zhou, Zihan (Princeton U.)
In this Letter, we study scalar wave perturbations of arbitrary frequency to the 5D Schwarzschild-Tangherlini black hole (STBH) within general relativity. For the first time, we derive a closed formula for the 5D partial wave gravitational Raman scattering amplitude applicable to a broad class of boundary conditions, expressed in terms of the Nekrasov-Shatashvili (NS) function for the reduced confluent Heun problem. [...]
arXiv:2505.21489.- 2025-10-15 - 15 p. - Published in : Phys. Rev. D 112 (2025) 085018 Fulltext: document - PDF; 2505.21489 - PDF;
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355.
Finalization of the Sector Logic ATCA blade design for the ATLAS Level-0 muon trigger at HL-LHC / Izumiyama, Shota (Nagoya University (JP)) ; ATLAS TDAQ Collaboration
The Trigger and Data Acquisition system of the ATLAS experiment will be upgraded in alignment with the High-Luminosity LHC project so that the trigger rate increases from 100~kHz to 1~MHz. [...]
ATL-DAQ-PROC-2025-021. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text
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