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Title: Search for lepton-flavor-violating decays D-0 -> X(0)e(+/-)mu(-/+)
Author: Graugés Pous, Eugeni
BABAR Collaboration
Keywords: Leptons (Física nuclear)
Mètode de Montecarlo
Leptons (Nuclear physics)
Monte Carlo method
Issue Date: 15-Jun-2020
Publisher: American Physical Society
Abstract: We present a search for seven lepton-flavor-violating neutral charm meson decays of the type D0→X0e±μ∓, where X0 represents a π0, K0S, ¯K*0, ρ0, ϕ, ω, or η meson. The analysis is based on 468  fb−1 of e+e− annihilation data collected at or close to the Υ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. No significant signals are observed, and we establish 90% confidence level upper limits on the branching fractions in the range (5.0−22.5)×10−7. The limits are between 1 and 2 orders of magnitude more stringent than previous measurements.
Note: Reproducció del document publicat a:
It is part of: Physical Review D, 2020, vol. 101, num. 11, p. 112003
Related resource:
ISSN: 1550-7998
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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