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2025-05-21
13:57
Measurements of charmed meson and antimeson production asymmetries at $\sqrt{s} =13.6$ TeV
This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anticharm quark in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV using data recorded by the LHCb experiment. [...]
CERN-EP-2025-087 ; LHCB-PAPER-2024-052. - 2025
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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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2025-05-21
04:09
Measurement of $\eta\to\pi^{0}\gamma\gamma$ branching fraction with the KLOE detector / KLOE-2 Collaboration
We present a measurement of the radiative decay $\eta\to\pi^0\gamma\gamma$ using 82 million $\eta$ mesons produced in $e^+e^-\to\phi\to\eta\gamma$ process at the Frascati $\phi$-factory DA$\Phi$NE. [...]
arXiv:2505.09285. - 16.
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2025-05-20
10:17
First measurement of $\,b$-jet mass with and without grooming / LHCb Collaboration
The LHCb collaboration presents a novel suite of heavy-flavour jet substructure measurements at forward rapidity in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
arXiv:2505.11955 ; LHCb-PAPER-2025-009 ; CERN-EP-2025-097 ; LHCB-PAPER-2025-009. - 2025 - 28.
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2025-05-20
08:01
A continuous calibration of the ATLAS flavour-tagging classifiers via optimal transportation maps
A calibration of the ATLAS flavour-tagging algorithms using a new calibration procedure based on optimal transportation maps is presented. [...]
CERN-EP-2025-026. - 2025
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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
04:06
Status of the International Linear Collider / Abe, Y. (KEK, Tsukuba) ; Arai, S. (KEK, Tsukuba) ; Araki, S. (KEK, Tsukuba) ; Araki, H. (KEK, Tsukuba) ; Arimoto, Y. (KEK, Tsukuba) ; Aryshev, A. (KEK, Tsukuba) ; Asai, S. (KEK, Tsukuba) ; Bajpai, R. (KEK, Tsukuba) ; Behnke, T. (DESY) ; Belomestnykh, S. (Fermilab ; SUNY, Stony Brook) et al.
This paper is not a proposal for a CERN future project but provides information on the International Linear Collider (ILC) considered for Japan in order to facilitate the European Strategy discussion in a global context. [...]
FERMILAB-PUB-25-0345-TD ; arXiv:2505.11292. - 13.
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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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2025-05-20
04:02
Heavy-ion and fixed-target physics at LHCb / Marangotto, Daniele (Milan U.)
The latest results obtained by the LHCb collaboration from heavy-ion and fixed-target collisions recorded during the Run 2 LHC data-taking are presented. [...]
arXiv:2505.11074. -
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2025-05-19
17:32
Technical Galleries Consolidation Program : Safety aspects / Krautsztrung, Iga Maria (CERN) ; Evrard, Sebastien (CERN) ; Lemetayer, Mathieu (CERN) ; Prouteau, Olivier Bernard (CERN)
The Technical Galleries Consolidation Project (TG-CONS) at CERN is dedicated to refurbishing the galleries and their related infrastructure while giving utmost priority to safety enhancements. [...]
CERN-ACC-SLIDES-2024-0002. - 2024 - 22.
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