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CERN Accelerating science

CERN-TH

Последние добавления:
2025-05-21
04:14
ADM, BMS, and some puzzling interconnections / Veneziano, Gabriele (CERN ; College de France)
The precise connection between the ADM and BMS formalisms is still far from being fully understood. It leads superficially to some puzzles whose resolution can provide new interesting physical insights. [...]
arXiv:2505.11937; CERN-TH-2025-042.- 2025-05-15 - 14 p. - Published in : J. Phys. A Fulltext: 2505.11937 - PDF; document - PDF;

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2025-05-21
04:09
Extended scalar sectors from all angles -- Mostly at lepton colliders / Robens, Tania (Boskovic Inst., Zagreb ; CERN)
I briefly discuss the current state of the art for models with extended scalar sectors and give examples for corresponding investigations, with a focus on processes at lepton colliders..
RBI-ThPhys-2025-20 ; CERN-TH-2025-082 ; arXiv:2504.11969.
- 11.
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2025-05-20
04:06
The LHC has ruled out Supersymmetry -- really? / Constantin, L. (LPSC, Grenoble) ; Kraml, S. (LPSC, Grenoble) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; ENS, Lyon, Lab. Phys.)
Despite early hopes that the Large Hadron Collider (LHC) would quickly unveil supersymmetric particles, none have been detected to date. [...]
CERN-TH-2025-100 ; arXiv:2505.11251.
- 8.
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2025-05-20
04:04
Spontaneous Magnetogenesis at the Electroweak Phase Transition / Domcke, Valerie (CERN) ; Ema, Yohei (CERN) ; Patel, Teerthal (Vanderbilt U.)
Spontaneous CP violation during the electroweak phase transition can induce a twisting of the magnetic field configuration of Standard Model dumbbells, resulting in sizable intergalactic magnetic fields and a small baryon asymmetry, in agreement with observations. [...]
CERN-TH-2025-089 ; arXiv:2505.10637.
- 26.
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2025-05-18
05:11
QCD splitting functions beyond kinematical limits / Campbell, John M. (Fermilab) ; Höche, Stefan (Fermilab) ; Knobbe, Max (Fermilab) ; Preuss, Christian T. (Gottingen U.) ; Reichelt, Daniel (CERN)
We present a systematic decomposition of QCD splitting functions into scalar dipole radiators and pure splitting remainders up to second order in the strong coupling. [...]
FERMILAB-PUB-25-0276-T ; CERN-TH-2025-091 ; MCNET-25-09 ; arXiv:2505.10408.
- 37.
Fermilab Library Server - Fulltext

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2025-05-13
04:08
pNGB Higgs Naturalness at a Tipping Point / McCullough, Matthew (CERN) ; Menkara, Adriana (DESY) ; Salvioni, Ennio (Sussex U.)
In scenarios where the Higgs is viewed as a pseudo Nambu-Goldstone boson (pNGB) the question of naturalness finds itself, from a phenomenological perspective, at a tipping point between direct searches and precision. [...]
CERN-TH-2025-067 ; DESY-25-052 ; arXiv:2505.06052.
- 21.
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2025-05-07
04:03
The Simplest Dark Matter Model at the Edge of Perturbativity / Escudero, Miguel ; Hambye, Thomas
Increasingly sensitive direct detection dark matter experiments are testing important regions of parameter space for WIMP dark matter and pushing many models to the multi-TeV regime. [...]
CERN-TH-2025-087 ; ULB-TH/25-04 ; arXiv:2505.02408.
- 5.
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2025-05-06
04:31
Gravitational Wave Memory of Primordial Black Hole Mergers / Gasparotto, Silvia (Barcelona, IFAE) ; Franciolini, Gabriele (CERN) ; Domcke, Valerie (CERN)
The gravitational wave signal of binary compact objects has two main contributions at frequencies below the characteristic merger frequency: the gravitational wave signal associated with the early inspiral stage of the binary and the non-linear gravitational wave memory. [...]
CERN-TH-2025-051 ; arXiv:2505.01356.
- 17.
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2025-05-02
04:23
A Universal Equilibration Condition for Heavy Quarks / Rajagopal, Krishna (MIT) ; Scheihing-Hitschfeld, Bruno (Santa Barbara, KITP) ; Wiedemann, Urs Achim (CERN)
Kinetic equilibration at late times is physically required for heavy particles in a finite temperature medium. [...]
CERN-TH-2025-088 ; MIT-CTP/5858 ; arXiv:2504.21139.
- 6.
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2025-04-30
05:07
Starlight from JWST: Implications for star formation and dark matter models / Ellis, John ; Fairbairn, Malcolm ; Urrutia, Juan ; Vaskonen, Ville
We confront the star formation rate in different dark matter (DM) models with UV luminosity data from JWST up to $z\simeq25$ and legacy data from HST. [...]
KCL-PH-TH/2025-12 ; CERN-TH-2025-085 ; AION-REPORT/2025-03 ; arXiv:2504.20043.
- 15.
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