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2025-04-11
15:49

Search for jet quenching with dijets from high-multiplicity pPb collisions at $\sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} =$ 8.16 TeV
The first measurement of the dijet transverse momentum balance

x_{j}

$x_{j}$ in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of

\sqrt{s_{_{N N}}} =

$\sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} =$ 8.16 TeV is presented. [...]
CERN-EP-2025-043 ; CMS-HIN-23-010-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext

Detaljerad journal

2025-04-11
08:09

Measurement of coincident photon-initiated processes in ultra-peripheral Pb+Pb collisions with the ATLAS detector
The Lorentz-contracted electromagnetic fields of the ions in ultra-relativistic heavy-ion collisions generate intense quasi-real photon fluxes. [...]
CERN-EP-2025-071. - 2025
Fulltext - Previous draft version

Detaljerad journal

2025-04-11
07:31

Constraining off-shell Higgs boson production and the Higgs boson total width using $WW\to \ell\nu\ell\nu$ final states with the ATLAS detector
A measurement of off-shell Higgs boson production is performed in the

H^{*} \to W W

$H^{*} \rightarrow WW$ channel. [...]
CERN-EP-2025-059. - 2025
Fulltext - Previous draft version

Detaljerad journal

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

Detaljerad journal

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. -
Fulltext

Detaljerad journal

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

Detaljerad journal

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.
Fulltext

Detaljerad journal

2025-04-10
16:31

SHiP experiment at the SPS Beam Dump Facility / SHiP Collaboration, HI-ECN3 Project Team (CERN) /SHiP Collaboration
Abstract In 2024, the SHiP experiment, together with the associated Beam Dump Facility (BDF) un- der the auspices of the High Intensity ECN3 (HI-ECN3) project, was selected for the future physics exploitation of the ECN3 experimental facility at the SPS. The SHiP experiment is a general-purpose intensity-frontier setup designed to search for physics beyond the Standard Model in the domain of Feebly Interacting Particles at the GeV-scale [...]
CERN-SHiP-PROC-2025-001.- Geneva : CERN, 2025 Fulltext: PDF;

Detaljerad journal

2025-04-10
15:16

Angular analysis of the decay $B_s^0 \to \phi e^+e^-$ / LHCb Collaboration
An angular analysis of the decay

B_{s}^{0} \to ϕ e^{+} e^{-}

$B^0_s\to\phi e^+e^-$ is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8 and 13

T e V

$\,\mathrm{Te\kern -0.1em V}$ . [...]
arXiv:2504.06346 ; LHCb-PAPER-2025-006 ; CERN-EP-2025-064 ; LHCB-PAPER-2025-006. - 2025 - 29 p, 29.
Fulltext - Related data file(s) - Fulltext

Detaljerad journal

2025-04-10
14:18

Measurements of Higgs boson production via gluon-gluon fusion and vector-boson fusion using $H\rightarrow WW^\ast \rightarrow \ell\nu\ell\nu$ decays in $pp$ collisions with the ATLAS detector and their effective field theory interpretations
Higgs boson production cross-sections via gluon-gluon fusion and vector-boson fusion in proton-proton collisions are measured in the

H \to W W^{*} \to ℓ ν ℓ ν

$H\rightarrow WW^\ast \rightarrow \ell\nu\ell\nu$ decay channel. [...]
CERN-EP-2025-054. - 2025
Fulltext - Previous draft version

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