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Search for Rare or Forbidden Decays of the D0 Meson

Lees J. P.
•
Poireau V.
•
Tisserand V.
altro
Wu S. L.
2020
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type D0→h′-h-′++ and D0→h′-h+′±, where h and h′ represent a K or π meson and and ′ an electron or muon. The analysis is based on 468 fb-1 of e+e- annihilation data collected at or close to the (4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. No significant signal is observed for any of the twelve modes, and we establish 90% confidence level upper limits on the branching fractions in the range (1.0-30.6)×10-7. The limits are between 1 and 3 orders of magnitude more stringent than previous measurements.
DOI
10.1103/PhysRevLett.124.071802
WOS
WOS:000515063000004
Archivio
http://hdl.handle.net/11368/2974911
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85080925163
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.071802
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/2974911/1/PhysRevLett.124.071802.pdf
Soggetti
  • BaBar

  • PEP-II

  • Charmed meson

  • Rare decay

Scopus© citazioni
5
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
5
Data di acquisizione
Mar 23, 2024
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