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The Preprints collection aims to cover as far as possible all the grey literature in particle physics and its related technologies. The collection contains something like 400,000 documents, out of which about 50% can be accessed electronically. The documents originate from a variety of institutes all over the world. The collection, currently available, starts in 1979 and it has a full coverage of the arXiv.org e-Print archive since its beginning in 1991.
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Preprints

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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.
Fulltext

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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.
Fulltext

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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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