S. B. Liu

First Observation of CP Violation and Measurement of Polarization in B+ →p(770)0K*(892)+ Decays

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

An amplitude analysis of the B⁺ → (π⁺π⁻)(KS⁰ π⁺) decay is performed in the mass regions 0.30 < mπ⁺π⁻ < 1.10 GeV/c² and 0.75 < mKS⁰ π⁺ < 1.20 GeV/c², using pp collision data recorded with the LHCb detector corresponding to an …

Measurement of the B0 → ρ(770)0γ branching fraction

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The ratio between the branching fractions of the B0 → ρ(770)0γ and B0 → K*(892)0γ decays is measured with proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to an integrated luminosity of …

Measurement of the Ωc0 and Ξc0 baryon lifetimes using hadronic b-baryon decays

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The lifetimes of the Ωc0 and Ξc0 baryons are measured using a pp collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The charm baryons are produced in the fully reconstructed decay chains Ωb− → Ωc0 …

Observation of the Very Rare Σ+ → pμ+μ− Decay

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The first observation of the Σ+ →p⁢μ+⁢μ− decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of 5.4 fb−1, collected with the LHCb detector at a center-of-mass energy of 13 TeV. A yield of 237±16 Σ+→p⁢μ+⁢μ− …

Observation of the Λb0 → J/ψΞ−K+ and Ξb0 → J/ψΞ−π+ decays

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The first observation of the Ξb0 → J/ψΞ−π+ decay and the most precise measurement of the branching fraction of the Λb0 → J/ψΞ−K+ decay are reported, using proton-proton collision data from the LHCb experiment collected in 2016–2018 at a centre-of-mass energy of …

Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at √sNN = 5.02 TeV

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The ratio of prompt production cross-sections of ψ(2S) and J/ψ mesons in their dimuon final state is measured as a function of centrality, using data collected by the LHCb detector in PbPb collisions at √sNN = 5.02 TeV, for the first time …

Picocavity-Enhanced Raman Spectroscopy of Physisorbed H2 and D2 Molecules

A. Shiotari, S. B. Liu, G. Trenins, T. Sugimoto et autres

We report on tip-enhanced Raman spectroscopy of H2 and D2 molecules physisorbed within a plasmonic picocavity at 10 K. The intense Raman peaks resulting from the rotational and vibrational transitions are observed at subnanometer gap distances of the junction formed by an …

Analysis of Λb0 → pK−μ+μ− decays

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén et autres

The differential branching fraction and angular coefficients of Λb0 → pK−μ+μ− decays are measured in bins of the dimuon mass squared and dihadron mass. The analysis is performed using a data set corresponding to 9 fb−1 of integrated luminosity collected with the …

The Hi-GAL compact source catalogue - I. The physical properties of the clumps in the inner Galaxy (-71.0° < ℓ < 67.0°)

D. Elia, S. Molinari, E. Schisano, M. Pestalozzi et autres