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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

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

SND@LHC Upgrade for the High-Luminosity LHC: Physics Reach and Installation Scenarios

LHC Collaboration

The SND@LHC experiment is currently taking data at the Large Hadron Collider (LHC), exploring the unique forward region at pseudorapidities from 7.2 to 8.4. Its physics programme c…

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

Machine learning techniques for jet reconstruction at LHCb and application to the search for and in TeV collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1194

Two machine learning techniques for jet measurements at the LHCb experiment are presented: a regression-based method for jet-energy calibration and a deep neural network algorithm…

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

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

Measurement of the solar neutrino interaction rate below 3.49 MeV in Super-Kamiokande-IV

Kamiokande Collaboration, A. Yankelevich, K. Abe +250

Super-Kamiokande (SK) has observed solar neutrino elastic scattering at recoil electron kinetic energies () as low as 3.49 MeV to study neutrino flav…

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★ 3 cited

Searches for Light Dark Matter and Evidence of Coherent Elastic Neutrino-Nucleus Scattering of Solar Neutrinos with the LUX-ZEPLIN (LZ) Experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +216

We present searches for light dark matter (DM) with masses 3-9 GeV/ in the presence of coherent elastic neutrino-nucleus scattering (CENS) from B solar neutrinos with…

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★ 1 cited

First observation of the decay and evidence for the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A search is presented for the two-body charmed baryonic decays , using a data sample collected by the LHCb experiment during…

hep-ex2025

Observation and investigation of the structure in decays

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

The first four-dimensional amplitude analysis of the decay is performed with proton-proton collision data collected by the LHCb experiment…

hep-ex2025

Search for New Physics via Low-Energy Electron Recoils with a 4.2 Tonne\times Year Exposure from the LZ Experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +203

We report results from searches for new physics models through electron recoils using data collected by the LUX-ZEPLIN (LZ) experiment during its first two science runs, with a tot…

hep-ex2025

Differential decay rate of with the LHCb Upgrade I experiment

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

The normalised decay rate of is measured as a function of the lepton helicity angle using a data sample corresponding to an integrated luminosity of $…

hep-ex2025★ 1 cited

Branching fraction measurement of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A measurement of the branching fraction for the decay is presented using collision data collected by the LHCb experiment at a centre…