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2025-06-12
16:50

Coherent photoproduction of $\rho^0, \omega$ and excited vector mesons in ultraperipheral PbPb collisions
The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of

224.6 \pm 9.6 μ

$224.6 \pm 9.6\ \mu$ b

^{- 1}

$^{-1}$ , collected by the LHCb experiment in 2018 at a nucleon-nucleon centre-of-mass energy

\sqrt{s_{N N}} = 5.02

$\sqrt{s_{\rm NN}}=5.02$ TeV. [...]
CERN-EP-2025-106 ; LHCB-PAPER-2024-042. - 2025
Fulltext - Previous draft version - Related data file(s)

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2025-06-12
05:50

Time-Dependent Precision Measurement of $B_s^0\rightarrow \phi \mu^+\mu^-$ Decay at FCC- $ee$ / Kwok, Tsz Hong (Zurich U.) ; Polonsky, Zachary (Zurich U.) ; Lukashenko, Valeriia (Zurich U.) ; Aebischer, Jason (CERN) ; Kilminster, Ben (Zurich U.)
We study the feasibility of measuring time-dependent

C P

$C\!P$ violation in the rare flavor-changing neutral current (FCNC) decay

B_{s}^{0} \to ϕ (\to K^{+} K^{-}) μ^{+} μ^{-}

$B_s^0 \rightarrow \phi(\rightarrow K^+K^-) \mu^+ \mu^-$ at the FCC-

e e

$ee$ . [...]
CERN-EP-DRAFT-MISC-2025-007 ; CERN-TH-2025-095 ; arXiv:2506.08089. - 38.
Fulltext

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2025-06-12
05:47

Numerical stability of force-gradient integrators and their Hessian-free variants in lattice QCD simulations / Schäfers, Kevin (Wuppertal U.) ; Finkenrath, Jacob (CERN) ; Günther, Michael (Wuppertal U.) ; Knechtli, Francesco (Wuppertal U.)
We investigate the numerical stability of force-gradient integrators and their Hessian-free variants within the molecular dynamics step of the Hamiltonian Monte Carlo algorithm in lattice QCD simulations. [...]
CERN-TH-2025-093 ; arXiv:2506.08813. - 18.
Fulltext

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2025-06-12
05:40

X-ray Irradiation Studies on the Monopix DMAPS in 150 $\,$ nm and 180 $\,$ nm / Bespin, Christian (Bonn U.) ; Barbero, Marlon (Marseille, CPPM) ; Barrillon, Pierre (Marseille, CPPM) ; Breugnon, Patrick (Marseille, CPPM) ; Caicedo, Ivan (Bonn U.) ; Degerli, Yavuz (IRFU, Saclay) ; Dingfelder, Jochen (Bonn U.) ; Hemperek, Tomasz (Bonn U. ; Unlisted, CH) ; Hirono, Toko (Bonn U. ; Unlisted, CH) ; Krüger, Hans (Bonn U.) et al.
Monolithic active pixel sensors with depleted substrates present a promising option for pixel detectors in high-radiation environments. [...]
arXiv:2506.04776. - 10.
Fulltext

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2025-06-12
05:38

Measurement of $\psi(2S)$ to $J/\psi$ cross-section ratio as function of multiplicity in $p$ Pb collisions at $\sqrt{s_{NN}} = 8.16$ TeV / LHCb Collaboration
The production ratio of

ψ (2 S)

$\psi(2S)$ to

J / ψ

$J/\psi$ charmonium states is presented as a function of multiplicity in proton-lead collisions at a centre-of-mass energy of

\sqrt{s_{N N}} = 8.16

$\sqrt{s_{NN}}=8.16$ TeV, for both prompt and nonprompt sources. [...]
LHCb-PAPER-2025-011 ; CERN-EP-2025-114 ; arXiv:2506.08624. -
Fulltext

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2025-06-12
05:37

Tensor Network for Anomaly Detection in the Latent Space of Proton Collision Events at the LHC / Puljak, Ema (Barcelona, Autonoma U. ; Barcelona Supercomputing Ctr.) ; Pierini, Maurizio (CERN) ; Garcia-Saez, Artur (Barcelona Supercomputing Ctr. ; Unlisted, ES)
The pursuit of discovering new phenomena at the Large Hadron Collider (LHC) demands constant innovation in algorithms and technologies. [...]
arXiv:2506.00102. - 10.
Fulltext

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2025-06-12
05:37

Event generation at MEPS@NLO accuracy in neutral and charged current DIS at the EIC / Meinzinger, Peter (Zurich U.) ; Reichelt, Daniel (CERN) ; Silvetti, Federico (Durham U., IPPP)
We present the first hadron-level predictions at MEPS@NLO precision for both neutral and charged current DIS at the EIC and the first application of the MEPS@NLO technique to charged current DIS in general. [...]
ZU-TH 43/25 ; CERN-TH-2025-110 ; IPPP/25/31 ; MCNET-25-13 ; arXiv:2506.08994. - 30.
Fulltext

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2025-06-12
04:47

Cross-Section Bootstrap: Unveiling the Froissart Amplitude / Correia, Miguel (McGill U.) ; Georgoudis, Alessandro (Queen Mary, U. of London) ; Guerrieri, Andrea L. (CERN ; London, City U.)
We derive a universal bound on the integrated total scattering cross-section at \emph{finite} energies, expressed in terms of a single low-energy coefficient constrained by the non-perturbative S-matrix Bootstrap. [...]
arXiv:2506.04313. - 15.
Fulltext

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2025-06-11
10:17

Search for top squarks in final states with many light-flavor jets and 0, 1, or 2 charged leptons in proton-proton collisions at $\sqrt{s}=$ 13 TeV / CMS Collaboration
Several new physics models including versions of supersymmetry (SUSY) characterized by

R

$R$ -parity violation (RPV) or with additional hidden sectors predict the production of events with top quarks, low missing transverse momentum, and many additional quarks or gluons. [...]
CMS-SUS-23-001 ; CERN-EP-2025-017 ; arXiv:2506.08825 ; CMS-SUS-23-001-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2025-06-10
21:09

Machine learning method for enforcing variable independence in background estimation with LHC data: ABCDisCoTEC / CMS Collaboration
A novel solution is presented for the problem of estimating the backgrounds of a signal search using observed data while simultaneously maximizing the sensitivity of the search to the signal. [...]
CMS-MLG-23-003 ; CERN-EP-2025-092 ; arXiv:2506.08826 ; CMS-MLG-23-003-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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