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hep-ex2026

Observation of a new excited charm-strange meson in decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A new excited charm-strange meson is observed through an amplitude analysis of the full phase space of decays. The analysis is based on a proton-proton col…

hep-ex2026

Measurement of the -boson production cross-sections in collisions at = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the -boson production cross-section is performed using the decay channel, based on a sample of proton-proton collision data collected by th…

hep-ex2026

Precision measurement of the muon charge asymmetry from -boson decays in collisions at = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the muon charge asymmetry from -boson decays in proton-proton collisions at = 13 TeV is presented. The analysis utilizes data corresponding…

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

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

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…