Results 111 to 120 of about 2,767,400 (208)

Form factors and branching fraction calculations for $B_s \to D_s^{(*)} \ell^+ ν_\ell$ in view of LHCb observation [PDF]

open access: green, 2021
N. Soni   +5 more
openalex   +1 more source

Observation of χ cJ J = 0 1 2 → p p ¯ ηη $$ {\chi}_{cJ}\left(J=0,1,2\right)\to p\overline{p}\eta \eta $$

open access: yesJournal of High Energy Physics
Using (2712.4 ± 14.3) × 106 ψ(3686) candidates collected by the BESIII detector operating at the BEPCII storage ring, the decays χ cJ J = 0 1 2 → p p ¯ ηη $$ {\chi}_{cJ}\left(J=0,1,2\right)\to p\overline{p}\eta \eta $$ are observed for the first time ...
The BESIII collaboration   +702 more
doaj   +1 more source

Measurement of the branching fraction of D + → τ + ν τ

open access: yesJournal of High Energy Physics
By analyzing e + e − collision data with an integrated luminosity of 7.9 fb −1 collected with the BESIII detector at the center-of-mass energy of 3.773 GeV, the branching fraction of D + → τ + ν τ is determined as B $$ \mathcal{B} $$ = (9.9 ± 1.1stat ± 0.
The BESIII collaboration   +671 more
doaj   +1 more source

SCET sum rules for Λ b → Λℓ + ℓ − , Λγ decays

open access: yesJournal of High Energy Physics
We construct light-cone sum rules for various types of effective form factors in the Λ b → Λℓ + ℓ − and Λ b → Λγ decays by analyzing vacuum-to-Λ b (or γ *-to-Λ b ) correlation functions with the light Λ-baryon interpolating current.
Long-Shun Lu   +3 more
doaj   +1 more source

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