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2025-04-13
14:09
Observation of coherent ϕ(1020) meson photoproduction in ultraperipheral PbPb collisions at √sNN= 5.36 TeV
The first observation of coherent ϕ(1020) meson photoproduction off heavy nuclei is presented using ultraperipheral lead-lead collisions at a center-of-mass energy per nucleon pair of 5.36 TeV. [...]
CERN-EP-2025-051 ; CMS-HIN-24-009-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext

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2025-04-13
13:52
Search for charged-lepton flavour violation in top quark interactions with an up-type quark, a muon, and a τ lepton in proton-proton collisions at √s= 13 TeV
A search for charged-lepton flavour violation (CLFV) in top quark (t) production and decay is presented. [...]
CERN-EP-2025-029 ; CMS-TOP-22-011-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext

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2025-04-12
04:52
Exploratory calculation of the rare hyperon decay Σ+→pℓ+ℓ− from lattice QCD / Erben, Felix (CERN) ; Gülpers, Vera (Edinburgh U.) ; Hansen, Maxwell T. (Edinburgh U.) ; Hodgson, Raoul (Edinburgh U. ; DESY, Zeuthen) ; Portelli, Antonin (Edinburgh U.)
The rare hyperon decay Σ+→pℓ+ℓ− is a flavour-changing neutral current process mediated by an s→d transition that occurs only at loop level within the Standard Model. [...]
CERN-TH-2025-055 ; DESY-25-057 ; arXiv:2504.07727. - 35.
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2025-04-11
15:49
Search for jet quenching with dijets from high-multiplicity pPb collisions at √sNN= 8.16 TeV
The first measurement of the dijet transverse momentum balance xj in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of √sNN= 8.16 TeV is presented. [...]
CERN-EP-2025-043 ; CMS-HIN-23-010-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext

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2025-04-11
08:09
Measurement of coincident photon-initiated processes in ultra-peripheral Pb+Pb collisions with the ATLAS detector / ATLAS Collaboration
The Lorentz-contracted electromagnetic fields of the ions in ultra-relativistic heavy-ion collisions generate intense quasi-real photon fluxes. [...]
arXiv:2504.07795 ; CERN-EP-2025-071. - 2025 - 34.
Fulltext - Previous draft version - Fulltext

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2025-04-11
07:31
Constraining off-shell Higgs boson production and the Higgs boson total width using WW→ℓνℓν final states with the ATLAS detector / ATLAS Collaboration
A measurement of off-shell Higgs boson production is performed in the H∗→WW channel. [...]
arXiv:2504.07710 ; CERN-EP-2025-059. - 2025 - 43.
Fulltext - Previous draft version - Fulltext

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2025-04-11
04:32
HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration. Backup Document / Adli, Erik (Oslo U.) ; Appleby, Joshua (Oxford U.) ; Barklow, Timothy L. (SLAC) ; Biagini, Marica (Frascati) ; Björklund Svensson, Jonas (Lund U.) ; Berggren, Mikael (DESY) ; Bettoni, Simone (PSI, Villigen) ; Boogert, Stewart (Daresbury) ; Burrows, Philip (Oxford U.) ; Caldwell, Allen (Garching, Max Planck Inst.) et al.
This document expands on the Comprehensive Summary submitted to the EPPSU 2026. [...]
arXiv:2503.23489. - 29.
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2025-04-11
04:28
New physics particles mixing with mesons: production in the fragmentation chain / Kyselov, Yehor (Taras Shevchenko U.) ; Mrenna, Stephen (Cincinnati U. ; Fermilab) ; Ovchynnikov, Maksym (CERN)
A class of extensions to the Standard Model adds hypothetical long-lived particles (LLPs) that have mass- or kinetic-mixing with neutral mesons, such as pions or rho mesons. [...]
CERN-TH-2025-073 ; FERMILAB-PUB-25-0200-CSAID ; arXiv:2504.06828. -
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2025-04-11
04:28
Impact of the circuit layout on the charge collection in a monolithic pixel sensor / Lemoine, Corentin (CERN ; Strasbourg, IPHC) ; Ballabriga, Rafael (CERN) ; Buschmann, Eric (Brookhaven Natl. Lab.) ; Campbell, Michael (CERN) ; Mohr, Raimon Casanova (Barcelona, IFAE) ; Dannheim, Dominik (CERN) ; Dilg, Jona (DESY) ; Dorda, Ana (CERN) ; King, Finn (DESY) ; Feyens, Ono (DESY) et al.
CERN's strategic R&D programme on technologies for future experiments recently started investigating the TPSCo 65nm ISC CMOS imaging process for monolithic active pixels sensors for application in high energy physics. [...]
arXiv:2503.21853. - 7.
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2025-04-11
04:26
Les Houches 2023 - Physics at TeV Colliders: Report on the Standard Model Precision Wishlist / Huss, Alexander (CERN) ; Huston, Joey (Michigan State U.) ; Jones, Stephen (Durham U., IPPP) ; Pellen, Mathieu (Freiburg U.) ; Röntsch, Raoul (INFN, Milan ; Milan U.)
Les Houches returned to an in-person format in 2023 and the bi-yearly tradition of updating the standard model precision wishlist has continued. [...]
CERN-TH-2025-071 ; FR-PHENO-2025-005 ; IPPP/25/19 ; TIF-UNIMI-2025-9 ; arXiv:2504.06689. - 99.
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