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hep-ex2025

Amplitude analysis of the decay and baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the decay together with a measurement of the polarization vector in semileptonic beauty-hadron decays is presented. The analysis…

hep-ex2025

Branching fraction measurement of the decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The branching fraction of the decay , relative to the topologically similar decay , is measured using proton-proton collision data co…

hep-ex2025

Evidence for decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first evidence for the decay is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an inte…

hep-ex2025

Measurement of the multiplicity dependence of $\mitΥ$ production ratios in collisions at TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The $\mitΥ(\mathrm{2}S)$ and $\mitΥ(\mathrm{3}S)$ production cross-sections are measured relative to that of the $\mitΥ(\mathrm{1}S)$ meson, as a function of charged-particle multi…

hep-ex2025

Study of light-meson resonances decaying to in the channels

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

A study is presented of and decays based on the analysis of proton-proton collision data collected with the LHCb…

hep-ex2024

Test of lepton flavour universality with decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first test of lepton flavor universality between muons and electrons using () decays is presented. The measurement is performed with d…