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2025-12-04
06:02
Preliminary results from the CLEAR nonlinear plasma lens experiment / Drobniak, P (U. Oslo (main)) ; Adli, E (U. Oslo (main)) ; Anderson, H B (U. Oslo (main)) ; Sjobak, K N (U. Oslo (main)) ; Lindstrøm, C A (U. Oslo (main)) ; Dyson, A (U. Oxford (main)) ; Mewes, S M (DESY) ; Thévenet, M (DESY)
Plasma lensing provides compact focusing of electron beams, since they offer strong focusing fields (kT/m) in both planes simultaneously. [...]
arXiv:2505.21313. - 2025 - 4.
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2025-12-04
04:29
High-Resolution Laser Spectroscopy on the Hyperfine Structure of $^{255}$Fm (Z=100) / Urquiza-González, M. (U. Gothenburg (main)) ; Stemmler, M. (Mainz U. ; Leibniz U., Hannover) ; Albrecht, T.E. (Florida State U., Tallahassee (main)) ; Bally, B. (Darmstadt, Tech. U.) ; Bender, M. (IP2I, Lyon) ; Berndt, S. (Mainz U.) ; Block, M. (Mainz U. ; Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Brizard, A. (Darmstadt, GSI ; GANIL) ; Andrews, J.S. (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Bieron, J. (Jagiellonian U.) et al.
We report on high-resolution laser spectroscopy of $^{255}$Fm ($T_{1/2} = 20$h), one of the heaviest nuclides available from reactor breeding. [...]
arXiv:2511.20921. - 6.
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2025-12-04
04:26
High Density Hybridisation Using ENIG Bumping and Anisotropic Conductive Films / Bangaru, Haripriya (CERN) ; Calderini, Giovanni (LPNHE, Paris) ; Dannheim, Dominik (CERN) ; De Oliveira, Rui (CERN) ; Lale, Ahmet (CERN) ; Lauser, Moritz (KIT, Karlsruhe) ; Pinto, Mateus Vicente Barreto (Geneva U.) ; Svihra, Peter (CERN ; LPNHE, Paris)
Fine-pitch hybridisation processes are essential for next-generation pixel detectors and high-density microelectronic assemblies. [...]
arXiv:2511.15562. - 7.
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2025-12-04
04:25
hls4ml: A Flexible, Open-Source Platform for Deep Learning Acceleration on Reconfigurable Hardware / Schulte, Jan-Frederik (Purdue U.) ; Ramhorst, Benjamin (Zurich, ETH) ; Sun, Chang (Caltech) ; Mitrevski, Jovan (Fermilab) ; Ghielmetti, Nicolò (CERN) ; Lupi, Enrico (CERN) ; Danopoulos, Dimitrios (CERN) ; Lončar, Vladimir (Belgrade, Inst. Phys. ; CERN) ; Duarte, Javier (UC, San Diego (main)) ; Burnette, David (KETEK, Munich) et al.
We present hls4ml, a free and open-source platform that translates machine learning (ML) models from modern deep learning frameworks into high-level synthesis (HLS) code that can be integrated into full designs for field-programmable gate arrays (FPGAs) or application-specific integrated circuits (ASICs). [...]
arXiv:2512.01463. -
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2025-12-03
20:22
Performance and efficiency of a transformer-based quark/gluon jet tagger in the ATLAS experiment
A deep-learning approach based on the transformer architecture is developed to distinguish between jets originating from quarks and gluons. [...]
CERN-EP-2025-252. - 2025
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2025-12-03
04:49
Three-loop corrections to $gg\to ZH$ in the large top quark mass limit / Davies, Joshua (U. Liverpool (main)) ; Grau, Dominik (KIT, Karlsruhe) ; Schönwald, Kay (Zurich U.) ; Steinhauser, Matthias (KIT, Karlsruhe) ; Stremmer, Daniel (KIT, Karlsruhe)
We compute three-loop virtual corrections to the associated production of a Higgs boson with a $Z$ boson in the large-$m_t$ limit. [...]
CERN-TH-2025-245 ; P3H-25-101 ; TTP25-047 ; arXiv:2512.00156. - 15.
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2025-12-02
07:34
The Heavy Dark Photon Handbook: Cosmological and Astrophysical Bounds / Caputo, Andrea (CERN ; U. Rome La Sapienza (main) ; Weizmann Inst. ; INFN, Rome) ; Park, Jaeyoung (CERN ; Seoul Natl. U., Dept. Phys. Astron.) ; Yun, Seokhoon (IBS, Daejeon, CTPU)
We investigate cosmological and astrophysical constraints on dark photons with masses $\sim 10^{-1}$-$10^3$ MeV. [...]
arXiv:2511.15785 ; CTPU-PTC-25-42. - 2025 - 31.
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2025-12-02
05:45
Analytical Soft Functions for Heavy-Quark Final States at Hadron Colliders / Liu, Ze Long (CAS, Beijing) ; Monni, Pier Francesco (CERN)
We present the first computation of the complete two-loop, fully-differential soft function describing the production of a heavy-quark pair in association with a color-singlet system at hadron colliders. [...]
CERN-TH-2025-244 ; arXiv:2511.23280. - 5.
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2025-12-02
05:14
Scalar field effective potentials in de Sitter spacetime / García-Consuegra, Lucas Vicente (King's Coll. London (main)) ; Rajantie, Arttu (CERN ; Imperial Coll., London)
We investigate two different definitions of a scalar field effective potential in quantum field theory in de Sitter spacetime: the standard textbook definition, and the constraint effective potential proposed by O'Raifeartaigh et al. [...]
CERN-TH-2025-217 ; KCL-PH-TH/2025-1 ; Imperial-TP-2025-AR-1 ; arXiv:2511.23076. - 27.
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2025-12-01
20:13
The CMS Barrel Calorimeter Processor near production (BCP V2) board evaluation / Goadhouse, Stephen David (Virginia U.) ; Nikitas Loukass
The Barrel Calorimeter Processor (BCP), based on ATCA blade architecture, has been developed for the readout of the electromagnetic calorimeter (ECAL) and hadron calorimeter (HCAL) subdetectors of the CMS experiment. The BCP supports 120 optical receive channels of up to 25 Gbps, 72 optical transmit channels of up to 25 Gbps, an AMD XCVU13P UltraScale+ FPGA, and an embedded AMD Zynq UltraScale+ SoC. [...]
CMS-CR-2025-239.- Geneva : CERN, 2025 - 8 p. Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2025, Rethymno, Crete, Gr, 6 - 10 Oct 2025

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