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hep-ex2026

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb of data collected at = 13.6 TeV with the ATLAS detector

ATLAS Collaboration

Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the decay channel. The analysis uses proton-prot…

hep-ex2026

Observation of the doubly charmed baryon with the LHCb Run 3 detector

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

The first observation of the doubly charmed baryon is reported through its decay to the final state, with a statistical significance exceeding seven…

hep-ex2026

-jet fragmentation with decays in TeV collisions at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1166

The collinear and transverse-momentum-dependent jet fragmentation function and the radial profile for mesons in jets are measured. The mesons are reconstructed…

hep-ex2026

Missing-mass search in forward-proton-tagged dilepton events with the ATLAS detector

ATLAS Collaboration

A search is conducted in proton-proton collisions at the Large Hadron Collider for photon-induced production of a visible particle de…

hep-ex2026

Combination of measurements of CP properties of Higgs boson interactions with vector bosons using proton-proton collisions at TeV with the ATLAS detector

The ATLAS Collaboration

A combination of measurements of the CP properties of Higgs boson interactions with electroweak gauge bosons is presented, using 140 fb of proton-proton collisions at $\sqrt…

hep-ex2026

Measurements of the electron neutrino-argon differential cross section without pions in the final state in MicroBooNE

MicroBooNE collaboration, P. Abratenko, D. Andrade Aldana +190

We present a new measurement of the electron neutrino charged current cross section on argon without pions in the final state. This measurement uses the full MicroBooNE booster neu…

hep-ex2026★ 1 cited

First measurement of time-dependent violation in the flavor-changing neutral-current decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1165

A flavor-tagged time-dependent analysis of decays is performed across the full dimuon mass range excluding the and resonance re…

hep-ex2026

Search for Higgs boson pair production in association with top-quark pairs using 196 fb of proton-proton collision data at 13 and 13.6 TeV with the ATLAS detector

ATLAS Collaboration

This paper presents the first search for non-resonant Higgs boson pair production in association with a top-quark pair () using proton-proton collision data collected w…

hep-ex2026★ 1 cited

Search for long-lived charginos and -sleptons using final states with a disappearing track in collisions at TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a search for decays of long-lived charginos or -sleptons to final states containing a short disappearing track, a single high-energy jet, and missing transver…

hep-ex2026★ 1 cited

Evidence of Production with the ATLAS Detector

ATLAS Collaboration

This Letter presents the first evidence of the simultaneous production of two bosons and one photon with the ATLAS detector at the Large Hadron Collider. The measurement is per…

hep-ex2026

Breaking barriers: the impact of ATLAS Virtual Visits in science communication

ATLAS Collaboration

The ATLAS Collaboration at CERN's Large Hadron Collider is at the forefront of particle physics research and is equally committed to bridging the gap between cutting-edge science a…

hep-ex2026

Observation of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first observation of the decay is reported using proton-proton collision data recorded with the LHCb detector correspo…

hep-ex2026

Observation of violation in decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1172

The time-dependent asymmetry in decays is measured using proton-proton collision data corresponding to an integrated luminosity o…

hep-ex2026

Search for lepton-number-violating decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

A search is performed for lepton-number-violating decays, using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy…

hep-ex2026

Measurement of differential -channel single top (anti)quark production cross-sections at 13 TeV with the ATLAS detector

ATLAS Collaboration

The production of single top quarks and top antiquarks via the -channel exchange of a virtual boson is measured in proton-proton collisions at a centre-of-mass energy of 13…

hep-ex2026

First evidence of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first search for the decay in the range is performed using data from proton-proton collisions collected by the L…

hep-ex2025★ 10 cited

Search for Light Sterile Neutrinos With Two Neutrino Beams at MicroBooNE

MicroBooNE collaboration, P. Abratenko, D. Andrade Aldana +176

The existence of three distinct neutrino flavours, , , and , is a central tenet of the Standard Model of particle physics. Quantum-mechanical interference can allo…

hep-ex2025★ 2 cited

Search for heavy neutral leptons in B-meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a final state is performed with data collected by the LHCb experiment in pro…

hep-ex2025

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…

hep-ex2025

Precision measurement of CP violation and branching fractions in decays and search for the rare decay

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1177

The decay , with a asymmetry expected to be close to zero in the Standard Model, is theoretically clean and sensitive to potential new ph…

hep-ex2025★ 1 cited

Measurement of the branching fractions and longitudinal polarisations of decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of and decays to the final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

hep-ex2025

Observation of the rare baryonic decay and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…

hep-ex2025★ 8 cited

Physics Briefing Book: Input for the 2026 update of the European Strategy for Particle Physics

Jorge de Blas, Monica Dunford, Emanuele Bagnaschi +127

The European Strategy for Particle Physics (ESPP) reflects the vision and presents concrete plans of the European particle physics community for advancing human knowledge in fundam…

hep-ex2025

Measurement of the top-quark mass using decays with a meson at 13 TeV with the ATLAS detector

ATLAS Collaboration

The top-quark mass is measured using top-quark decays producing an isolated lepton and meson reconstructed in its decay mode. The data sample was recorded with the A…