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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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2025-07-08
15:43
Search for heavy pseudoscalar and scalar bosons decaying to a top quark pair in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
A search for pseudoscalar or scalar bosons decaying to a top quark pair ($ \mathrm{t} \overline{\mathrm{t}} $) in final states with one or two charged leptons is presented. [...]
CERN-EP-2025-124 ; CMS-HIG-22-013-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext

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2025-07-08
11:49
VHE gamma-ray intranight variability from BL Lacertae during the extreme flaring state of 2022 /RE23/CTA-LST Collaboration
Context: BL Lacertae (BL Lac), the archetypal blazar of its subclass and one of the most studied blazars in the last decades, has gone through a series of major multi-wavelength outbursts since 2020, resulting in its highest gamma-ray flare up to date between September and November 2022 together with those from August 2021 and October 2024. Aims: We characterise the gamma-ray and multi-wavelength emission and spectral energy distribution (SED) of BL Lac as well as their evolution during the major and extended gamma-ray and multi-wavelength flare occurring between September and November 2022. [...]
CERN-RE23-2025-006.- Geneva : CERN, 2025 BLLac_2022_flare_7July2025: PDF;

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2025-07-08
10:02
Advances in transverse beam halo characterization and implications for HL-LHC / Rakic, M (CERN ; Ecole Polytechnique, Lausanne) ; Hermes, P (CERN) ; Redaelli, S (CERN) ; Seidel, M (PSI, Villigen)
Measurements of the transverse beam halo in the LHC showed that it contains a non-negligible portion of the total stored beam energy, with implications for both collimation system performance and overall machine protection. [...]
6.
JACoW - Full text

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2025-07-05
06:16
Higgs and Flavour: BSM Overview / Davighi, Joe (CERN)
We discuss scenarios for BSM physics near the TeV, motivated by the hierarchy problem and the flavour puzzle, and review their experimental tests at present and future colliders. [...]
arXiv:2501.16064. - 2025 - 8.
Fulltext

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2025-07-05
04:02
Particle production and identification for the T10 secondary beamline of the CERN East Area / van Dijk, Maarten (CERN) ; Hayat, Ahsan (CERN) ; Banerjee, Dipanwita (CERN) ; Bernhard, Johannes (CERN) ; Gokturk, Berare (CERN ; Bogazici U.) ; Nevay, Laurie (CERN) ; Petersen, Jorgen (CERN) ; Schwinzerl, Martin (CERN)
The particle composition of the T10 beam line in the renovated East Hall at CERN has been measured using several experimental techniques and detectors: pressure scans on a threshold Cherenkov counter, a lead-glass calorimeter, time-of-flight, and finally using two separate threshold Cherenkov counters. [...]
arXiv:2507.02567. - 18.
Fulltext

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2025-07-05
04:01
Observation of orbitally excited $B_{c}^{+}$ states / LHCb Collaboration
The observation of a wide peaking structure in the $B_{c}^{+} γ$ mass spectrum is reported using proton-proton collision data collected by the LHCb detector at center-of-mass energies of $7$, $8$ and $13~\text{TeV}$, corresponding to a total integrated luminosity of $9~\text{fb}^{-1}$. [...]
arXiv:2507.02149 ; LHCb-PAPER-2025-014 ; CERN-EP-2025-123. - 18 p, 18.
Fulltext

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2025-07-05
04:01
Study of $B_{c}(1P)^{+}$ states in the $B_{c}^{+} \gamma$ mass spectrum / LHCb Collaboration
The study of a wide peaking structure in the $B_{c}^{+} γ$ mass spectrum is reported using a data sample of proton-proton collisions collected by the LHCb detector at center-of-mass energies of $7$, $8$ and $13~\text{TeV}$, corresponding to an integrated luminosity of $9~\text{fb}^{-1}$. [...]
arXiv:2507.02142 ; CERN-EP-2025-122 ; LHCb-PAPER-2025-015. - 28.
Fulltext

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2025-07-04
17:22
Search for resonant leptoquark production via lepton–jet signatures in $pp$ collisions at $\sqrt{s} = 13$ TeV and $\sqrt{s} = 13.6$ TeV with the ATLAS detector
This paper presents a search for physics beyond the Standard Model targeting a heavy resonance visible in the invariant mass of the lepton–jet system. [...]
CERN-EP-2025-142. - 2025
Fulltext - Previous draft version

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2025-07-04
17:14
Evidence for the dimuon decay of the Higgs boson in $p\!p$ collisions with the ATLAS detector
A search for the dimuon decay of the Higgs boson is presented based on $pp$ collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated luminosity of $165~\mathrm{fb}^{-1}$ at $\sqrt{s} = 13.6~\,\text{TeV}$ [...]
CERN-EP-2025-149. - 2025
Fulltext - Previous draft version

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2025-07-04
15:30
Measurements and interpretations of $W^{\pm}Z$ production cross-sections in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector
Measurements of integrated and differential cross-sections for $W^{\pm}Z$ production in proton-proton collisions are presented. [...]
CERN-EP-2025-145. - 2025
Fulltext - Previous draft version

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