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2025-12-09
08:46
Axion couplings in Orbifold GUTs / Agrawal, Prateek (UC, Santa Barbara ; Oxford U., Theor. Phys.) ; Nee, Michael (Harvard U.) ; Reig, Mario (U. Oxford (main) ; CERN)
We consider the coupling of axions to gauge bosons in higher-dimensional Grand Unified Theories (GUT) inspired by string theory constructions with D-branes on orbifold singularities, the so-called orbifold GUTs. [...]
arXiv:2511.21830. - 2025 - 16.
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2025-12-09
08:45
MUSIC: A Multi-Purpose Detector Concept for Physics at the 10 TeV Muon Collider / Andreetto, Paolo (INFN, Padua) ; Bartosik, Nazar (INFN, Turin ; Piemonte Orientale U., Novara) ; Bersani, Andrea (INFN, Genoa) ; Calzolari, Daniele (Padua U. ; CERN) ; Casarsa, Massimo (INFN, Trieste) ; Ciccarella, Vittoria Ludovica (Frascati ; U. Rome La Sapienza (main)) ; Di Meco, Elisa (Frascati) ; Gargiulo, Ruben (INFN, Rome) ; Gianelle, Alessio (INFN, Padua) ; Giraldin, Carlo (INFN, Trieste ; Trieste U.) et al.
This work presents a proof of concept for MUSIC, a multi-purpose detector conceived for high-precision and ultra-high-energy physics studies in the challenging environment of $\sqrt{s}=10$ TeV muon-antimuon collisions. [...]
arXiv:2511.23273. - 2025 - 20.
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2025-12-09
08:45
EFT meets CFT: Multiloop renormalization of higher-dimensional operators in general $\boldsymbol{ϕ^4}$ theories / Henriksson, Johan (IPhT, Saclay ; CERN) ; Kousvos, Stefanos R (INFN, Pisa ; INFN, Turin ; U. Turin (main) ; U. Pisa (main)) ; Roosmale Nepveu, Jasper (Taiwan, Natl. Taiwan U. ; Unlisted, TW)
The renormalization of composite operators is a fundamental aspect of quantum field theory, relevant for the description of phase transitions and high energy phenomenology. [...]
arXiv:2511.16740. - 2025 - 76.
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2025-12-09
05:22
Precision Measurements of Higgs Hadronic Decay Modes at the FCC-ee / Del Vecchio, Andrea (U. Rome La Sapienza (main)) ; Eysermans, Jan (MIT) ; Gouskos, Loukas (Brown U.) ; Iakovidis, George (Brookhaven Natl. Lab.) ; Maloizel, Alexis (APC, Paris) ; Marchiori, Giovanni (APC, Paris) ; Selvaggi, Michele (CERN)
The expected precision at the FCC-ee on the product $σ\times\mathcal{B}(H\rightarrow b\bar{b}, c\bar{c},s\bar{s},gg)$ of Higgs boson production cross sections times branching ratios of hadronic decays is presented. [...]
arXiv:2511.23149. - 30.
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2025-12-09
05:20
A Survey of the Latin American High Energy Physics community on the future flagship project at CERN for the ESPP Update / Camacho, Reina (LPNHE, Paris) ; Cruz, Melissa (Honduras U.) ; Mele, Salvatore (CERN) ; Monticelli, Fernando (La Plata U.) ; Mulders, Martijn (CERN) ; Rosenfeld, Rogerio (Sao Paulo, IFT) ; Sandoval, Carlos (Colombia, U. Natl.) ; Tejeda-Yeomans, Maria Elena (Colima U.)
This document collects input from Latin America as a contribution to the Update of the European Strategy for Particle Physics. [...]
arXiv:2512.00826. -
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2025-12-08
18:30
Searches for new phenomena in hadronic final states using the ATLAS detector / Barakat, Marawan (Deutsches Elektronen-Synchrotron (DE))
Many theories beyond the Standard Model predict new phenomena giving rise to multijet final states. [...]
ATL-PHYS-PROC-2025-126. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-12-08
13:38
CMS outreach overview / Passaseo, Marina (INFN, Padua) /CMS Collaboration
Effective scientific communication and public outreach are essential components of modern high-energy physics research, serving to educate the public, engage stakeholders, and ensure continued support for fundamental science. This article presents a comprehensive analysis of the communication and outreach strategies implemented by the Compact Muon Solenoid (CMS) experiment at CERN, one of the flagship experiments at the Large Hadron Collider (LHC). [...]
CMS-CR-2025-286.- Geneva : CERN, 2025 - 8 p. Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, France, 7 - 11 Jul 2025

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2025-12-08
13:37
HGCAL detector performance and system validation with particle beams / Amendola, Chiara (CERN) /CMS Collaboration
The High-Granularity Calorimeter (HGCAL) is the new endcap calorimeter of CMS for operation in the High-Luminosity LHC (HL-LHC) era. Featuring 6 million silicon pads and 280'000 scintillating tiles, for an overall area of 620\,m$^{2}$ and 370\,m$^{2}$ respectively, HGCAL will deliver precise spatial, energy, and timing measurements of particles in its active volume. [...]
CMS-CR-2025-278.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, France, 7 - 11 Jul 2025

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2025-12-08
13:37
The Present and Future of the CMS Muon System / Sharma, Archie (Aachen, Tech. Hochsch.) /CMS Collaboration
The CMS muon system is indispensable for identifying and studying key particles and processes at the LHC. A high-performance muon system not only underpins the discovery potential of CMS but also ensures the precision and reliability required for advancing our understanding of the fundamental laws of nature. [...]
CMS-CR-2025-276.- Geneva : CERN, 2025 - 12 p. Fulltext: PDF;
In : 17th Topical Seminar on Innovative Particle and Radiation Detectors , Siena, It, 15 - 19 Sep 2025

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2025-12-08
13:37
Upgrade of the CMS Drift Tube system for the High Luminosity LHC / Lunerti, Leonardo (INFN, Bologna) /CMS Collaboration
The Large Hadron Collider (LHC) will undergo a major upgrade during its third Long Shutdown (LS3) period, after which the High-Luminosity LHC (HL-LHC) era will begin. During the HL-LHC phase, proton-proton collisions are expected to be delivered at 5 to 7 times the nominal LHC instantaneous luminosity. [...]
CMS-CR-2025-273.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 17th Topical Seminar on Innovative Particle and Radiation Detectors , Siena, It, 15 - 19 Sep 2025

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