Search
Search Results
-
Measurement of the multiplicity dependence of Υ production ratios in pp collisions at \( \sqrt{s} \) = 13 TeV
The Υ (2 S ) and Υ (3 S ) production cross-sections are measured relative to that of the Υ (1 S ) meson, as a function of charged-particle multiplicity in...
-
-
Search for charge-parity violation in semileptonically tagged D0 → K+π− decays
An analysis of the flavour oscillations of the charmed neutral meson is presented. The ratio of D 0 → K + π − and D 0 → K − π + decay rates is measured as a...
-
-
-
Measurement of the CKM angle γ in B± → DK*(892)± decays
Measurements of CP observables and the CKM angle γ are performed in B ± → DK * (892) ± decays, where D represents a superposition of D 0 and
... 
-
Soft X-ray prompt emission from the high-redshift gamma-ray burst EP240315a
Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and...
-
-
-
Amplitude analysis of B+ → ψ(2S)K+π+π− decays
The first full amplitude analysis of B + → ψ (2 S ) K + π + π − decays is performed using proton-proton collision data corresponding to an integrated...
-
Long-lived particle reconstruction downstream of the LHCb magnet
Charged-particle trajectories are usually reconstructed with the LHCb detector using combined information from the tracking devices placed upstream...
-
-
Study of the rare decay J/ψ → μ+μ−μ+μ−
The rare electromagnetic J/ψ → μ + μ − μ + μ − decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton...
-
-
-
Probing the nature of the χc1(3872) state using radiative decays
A bstract : The radiative decays χ c1 (3872) → ψ(2S) γ and χ c1 (3872) → J/ψγ are used to probe the nature of the χ c1 (3872) state using proton-proton...
-
Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states
The decays of the χ b1 (1P), χ b2 (1P), χ b1 (2P) and χ b2 (2P) mesons into the Υ(1S)μ + μ − final state are observed with a high significance using...
-
-
Comprehensive analysis of local and nonlocal amplitudes in the B0 → K*0μ+μ− decay
A comprehensive study of the local and nonlocal amplitudes contributing to the decay B 0 → K *0 (→ K + π − ) μ + μ − is performed by analysing the phase-space...
