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CERN Preprints

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2026-06-17
15:21
Measurement of isolated photon plus two-jet correlations in Pb+Pb and $pp$ collisions at 5.02 TeV with ATLAS
This paper presents a measurement of photon plus two-jet events in $pp$ and Pb+Pb collisions, i.e. [...]
CERN-EP-2026-121. - 2026
Fulltext - Previous draft version

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2026-06-17
10:14
Test of lepton flavour universality with $B^0\to K^{*0}\ell^+\ell^-$ decays at large dilepton invariant mass
Muon-electron universality is tested in $B^0 \to K^{*0} \ \ell^+ \ell^-$ decays, in the dilepton-invariant-mass region above the $\psi(2S)$ resonance. [...]
CERN-EP-2026-064 ; arXiv:2604.08631 ; LHCB-PAPER-2025-066. - 2026
Fulltext - Related data file(s)

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2026-06-17
04:55
Event generation for future DIS experiments / Meinzinger, Peter ; Reichelt, Daniel ; Silvetti, Federico
In this contribution we discuss state-of-the-art hadron-level predictions for the deep-inelastic scattering process at next-to-leading-order precision for several multiplicities, consistently merged in one sample. [...]
CERN-TH-2026-140 ; arXiv:2606.14864. - 10.
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2026-06-16
04:55
Optimal binning of $D\rightarrow K_{\mathrm S}^0π^+π^-$ and $D\rightarrow K_{\mathrm S}^0K^+K^-$ phase space for experimental measurements / Bovill, Marcelo (Oxford U.) ; Jurik, Nathan (CERN) ; Malde, Sneha (Oxford U.)
New binning schemes for the Dalitz plots of $D \rightarrow K^0_{\mathrm S}π^+π^-$ and $D \rightarrow K^0_{\mathrm S} K^+ K^-$ decays are presented. [...]
arXiv:2606.13948. - 24.
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2026-06-16
04:40
Optimization of muon suppression using sweeper magnets for the Forward Physics Facility at the HL-LHC / Ariga, Akitaka (Bern U. ; Chiba U.) ; Ariga, Tomoko (Kyushu U., Fukuoka (main)) ; Atkinson, Jeremy (Bern U.) ; Boyd, Jamie (CERN) ; Chinone, Kohei (Chiba U.) ; Dobre, Radu (Bucharest, Inst. Space Science) ; Firu, Elena (Bucharest, Inst. Space Science) ; Fujimori, Haruhi (Chiba U.) ; Gibson, Stephen (Royal Holloway, U. of London) ; Hayakawa, Daiki (Chiba U.) et al.
The Forward Physics Facility (FPF) at the High-Luminosity LHC (HL-LHC) will enable high-statistics measurements of TeV-scale neutrinos, but the intense flux of forward muons poses a major challenge for neutrino detectors in the far-forward region. [...]
arXiv:2606.13062. - 15.
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2026-06-16
04:32
Leptonic flavour transfer : a new window on flavour gauge symmetries / Darmé, L. (IP2I, Lyon) ; Fardeau, N. (IP2I, Lyon) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; ENS, Lyon, Lab. Phys.) ; Palmiotto, M. (Oslo U.)
New flavour non-abelian gauge groups, which may arise as part of a fundamental theory of flavour, can lead to distinctive flavour-transfer processes. [...]
CERN-TH-2026-141 ; arXiv:2606.14689. - 47.
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2026-06-16
04:27
Nuclear parton distributions and nuclear shadowing / Paakkinen, Petja (CERN) ; Guzey, Vadim (Jyvaskyla U. ; Helsinki U.)
In this contribution, we review the physics and phenomenology of nuclear parton distribution functions (PDFs), with a particular focus on the small-x region of nuclear shadowing. [...]
arXiv:2606.08830. - 21.
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2026-06-15
10:55
Search for new physics using single-lepton events with high multiplicities of jets and b jets in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
This analysis investigates the existence of physics beyond the standard model in events characterized by high multiplicities of jets and bottom quark (b) jets in the single-lepton final state, without a requirement on missing transverse momentum [...]
arXiv:2606.09567 ; CMS-SUS-21-005 ; CERN-EP-2026-130 ; CMS-SUS-21-005-003. - 2026 - 41.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2026-06-15
10:43
Analysis of the $ C\!P $ structure of the Yukawa coupling between the Higgs boson and tau leptons in proton-proton collisions at $ \sqrt{s}= $ 13.6 TeV
This paper presents a measurement of the charge-parity ( $ C\!P $) structure of the Yukawa coupling between the Higgs boson (H) and tau leptons, using proton-proton collision data at $ \sqrt{s}= $ 13.6 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 62.4 fb$ ^{-1} $. [...]
arXiv:2606.03510 ; CMS-HIG-25-012 ; CERN-EP-2026-151 ; CMS-HIG-25-012-003. - 2026 - 55.
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-06-13
07:33
A generalised-$k_t$ jet algorithm for Deep Inelastic Scattering / van Beekveld, Melissa (NIKHEF, Amsterdam) ; Ferrario Ravasio, Silvia (Turin U.) ; Karlberg, Alexander (Oxford U., Theor. Phys. ; CERN) ; Peake, Darcy (Sussex U.)
We introduce an inclusive generalised-$k_t$ jet algorithm for Deep Inelastic Scattering, defined in the Breit frame and implemented in fjcontrib. [...]
arXiv:2606.13077 ; CERN-TH-2026-032 ; Nikhef 2026-005 ; OUTP-26-02P. - 22.
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