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Measurement of the branching fractions of Ds+→η'X and Ds+→η'ρ+ in e+e-→Ds+Ds-.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractionsB(D+s →η X
Observation of the doubly radiative decay η' → γγπ0/ψ→γη′ decay. The branching fraction of η′→γγπ0 inclusive decay is measured to be B(η′→γγπ0)Incl=(3
Observation of B0 s mesons and measurement of the B0 s /B+ yield ratio in PbPb collisions at √sNN = 5.02 TeVThe B-s(0) and B+ production yields are measured in PbPb collisions at a center-of-mass energy per
Observation of the Dalitz decay η' → γe+e-−2. This corresponds to a branching fraction B(η′→γe+e−)=(4.69±0.20(stat)±0.23(sys))×10−4. The transition form factor
Observation of the B+c meson in Pb-Pb and pp collisions at √sNN=5.02 TeV and measurement of its nuclear modification factorThe B-c(+) meson is observed for the first time in heavy ion collisions. Data from the CMS detector
Measurement of the beam asymmetry Σ for π0 and η photoproduction on the proton at Eγ = 9GeVнейтральные мезоны
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