Improved model-independent determination of the strong-phase difference between $D^{0}$ and $\bar{D}^{0}\to K^{0}_{\mathrm{S,L}}K^{+}K^{-}$ decays - INSPIRE

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Improved model-independent determination of the strong-phase difference between $D^{0}$ and $\bar{D}^{0}\to K^{0}_{\mathrm{S,L}}K^{+}K^{-}$ decays

BESIII

Collaboration

Jul 15, 2020

27 pages

Published in:

Phys.Rev.D 102 (2020) 5, 052008

Published: Oct 1, 2020

e-Print:

2007.07959 [hep-ex]

DOI:

10.1103/PhysRevD.102.052008

Experiments:

BEPC-BES-III

View in:

ADS Abstract Service

reference search48 citations

Citations per year

Abstract: (APS)

We present a measurement of the strong-phase difference between D0 and D¯0→KS,L0K+K- decays, performed through a study of quantum-entangled pairs of charm mesons. The measurement exploits a data sample equivalent to an integrated luminosity of 2.93 fb-1, collected by the BESIII detector in e+e- collisions corresponding to the mass of the ψ(3770) resonance. The strong-phase difference is an essential input to the determination of the Cabibbo-Kobayashi-Maskawa (CKM) angle γ/ϕ3 through the decay B-→DK-, where D can be either a D0 or a D¯0 decaying to KS,L0K+K-. This is the most precise measurement to date of the strong-phase difference in these decays.

Note:

25 pages, 9 figures

Particle Physics Experiments
electron positron: annihilation
electron positron: colliding beams
D0: hadronic decay
psi(3770)
charmed meson: pair production
CKM matrix
BES
Beijing Stor
experimental results

References(54)

Figures(9)

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