$K_{S}^{0}-K_{L}^{0}$ asymmetries in $D$-meson decays - INSPIRE

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$K_{S}^{0}-K_{L}^{0}$ asymmetries in $D$ -meson decays

Di Wang
(
- Lanzhou U.
)
,
Fu-Sheng Yu
(
- Lanzhou U. and
- Lanzhou, Inst. Modern Phys.
)
,
Peng-Fei Guo
(
- Lanzhou U.
)
,
Hua-Yu Jiang
(
- Lanzhou U.
)

Jan 25, 2017

10 pages

Published in:

Phys.Rev.D 95 (2017) 7, 073007

Published: Apr 25, 2017

e-Print:

1701.07173 [hep-ph]

DOI:

10.1103/PhysRevD.95.073007

View in:

ADS Abstract Service

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Abstract: (APS)

The KS0-KL0 asymmetries in the D-meson decays, induced by the interference between the Cabibbo-favored and the doubly Cabibbo-suppressed amplitudes, can help to understand the dynamics of charm decays. All possible processes of two-body nonleptonic D decays into one neutral kaon and another pseudoscalar or vector meson are considered. We study the KS0-KL0 asymmetries and the branching fractions of corresponding processes in the factorization-assisted topological-amplitude approach in which significant flavor SU(3) symmetry breaking effects are included. The branching fractions of the KL0 modes are predicted. It is first found that the KS0-KL0 asymmetries in the D0-meson decays are shifted by the D0-D¯0 mixing parameter yD≃0.006, to be 0.113±0.001 for all the relevant D0 decay modes. Our results on KS0-KL0 asymmetries are consistent with the current data and could be tested by experiments in the future.

Note:

19 pages, 1 figure. Published version in Physics Review D

meson: decay
D: decay
charm: decay
symmetry breaking: effect
symmetry breaking: SU(3)
flavor: SU(3)
asymmetry
branching ratio
pseudoscalar meson
interference

References(47)

Figures(1)

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