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2025-05-20
10:17
First measurement of $\,b$-jet mass with and without grooming
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. [...]
CERN-EP-2025-097 ; arXiv:2505.11955 ; LHCB-PAPER-2025-009. - 2025
Fulltext - Related data file(s) - Supplementary information

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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
Fulltext - Previous draft version

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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.
Fulltext

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2025-05-20
04:06
Status of the International Linear Collider / Dowd, R. (ASP, Melbourne) ; Taylor, G. (Melbourne U.) ; Urquijo, P. (Melbourne U.) ; Hensel, C. (Rio de Janeiro, CBPF) ; Laxdal, R. (TRIUMF) ; Gao, Y. (Peking U.) ; Cenni, E. (IRFU, Saclay) ; Madec, C. (IRFU, Saclay) ; Napoly, O. (IRFU, Saclay) ; Titov, M. (IRFU, Saclay) 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.
Fulltext

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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.
Fulltext

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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. -
Fulltext

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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.
Full text

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2025-05-19
16:44
Safety Aspects of the Technical Galleries Consolidation Program / Krautsztrung, Iga Maria (CERN) ; Evrard, Sebastien (CERN) ; Prouteau, Olivier Bernard (CERN)
The distribution of services throughout a large scientific facility like CERN relies on a 14-km network of technical galleries. [...]
CERN-ACC-POSTER-2025-0001. - 2025 - 3.
Full text

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2025-05-19
09:37
Search for vector-like quarks and vector-like leptons / Wang, Christina Wenlu (Fermilab) /ATLAS and CMS Collaborations
Many extensions of the Standard Model (SM) predict the existence of vector-like fermions--quarks (VLQs) and leptons (VLLs). This proceeding presents recent results from the ATLAS and CMS collaborations on searches for VLQs and VLLs using data collected at the LHC from 2016--2018 with proton-proton collisions of 13 TeV. [...]
CMS-CR-2025-113.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 59th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 23 - 30 Mar 2025

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2025-05-19
09:37
Study of energy-energy correlator of jets in PbPb collisions at CMS / Viinikainen, Jussi (Vanderbilt U.) /CMS Collaboration
Energy-energy correlator has the advantage of isolating physics of different angular scales, which has attracted a lot of interest recently to study it in heavy-ion environments. Any modification from proton-proton reference can reveal hints about the inner workings of the quark-gluon plasma. [...]
CMS-CR-2025-105.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 12th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Nagasaki, Nagasaki, Jp, 22 - 27 Sep 2024

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