20:[["$","meta","0",{"name":"viewport","content":"width=device-width, initial-scale=1"}],["$","meta","1",{"charSet":"utf-8"}],["$","title","2",{"children":"Search for rare and forbidden decays of charm and charmed-strange mesons to final states h^+- e^-+ e^+"}],["$","meta","3",{"name":"description","content":"We have searched for flavor-changing neutral current decays and lepton-number-violating decays of D^+ and D^+_s mesons to final states of the form h^+- e^-+ e^+, where h is either \\pi or K. We use the complete samples of CLEO-c open-charm data, corresponding to integrated luminosities of 818 pb^-1 at the center-of-mass energy E_CM = 3.774 GeV containing 2.4 x 10^6 D^+D^- pairs and 602 pb^-1 at E_CM = 4.170 GeV containing 0.6 x 10^6 D^*+-_s D^-+_s pairs. 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Yelton,Jeff Yelton"}],["$","meta","510",{"property":"article:author:avatar","content":"default_1"}],["$","meta","511",{"property":"article:author:articles_count","content":"227"}],["$","meta","512",{"name":"twitter:card","content":"summary_large_image"}],["$","meta","513",{"name":"twitter:title","content":"Search for rare and forbidden decays of charm and charmed-strange mesons to final states h^+- e^-+ e^+"}],["$","meta","514",{"name":"twitter:description","content":"We have searched for flavor-changing neutral current decays and lepton-number-violating decays of D^+ and D^+_s mesons to final states of the form h^+- e^-+ e^+, where h is either \\pi or K. We use the complete samples of CLEO-c open-charm data, corresponding to integrated luminosities of 818 pb^-1 at the center-of-mass energy E_CM = 3.774 GeV containing 2.4 x 10^6 D^+D^- pairs and 602 pb^-1 at E_CM = 4.170 GeV containing 0.6 x 10^6 D^*+-_s D^-+_s pairs. No signal is observed in any channel and we obtain 90% confidence level upper limits on branching fractions B(D^+ --> \\pi^+ e^+ e^-) < 5.9 x 10^-6, B(D^+ --> \\pi^- e^+ e^+) < 1.1 x 10^-6, B(D^+ --> K^+ e^+ e^-) < 3.0 x 10^-6, B(D^+ --> K^- e^+ e^+) < 3.5 x 10^-6, B(D^+_s --> \\pi^+ e^+ e^-) < 2.2 x 10^-5, B(D^+_s --> \\pi^- e^+ e^+) < 1.8 x 10^-5, B(D^+_s --> K^+ e^+ e^-) < 5.2 x 10^-5, and B(D^+_s --> K^- e^+ e^+) < 1.7 x 10^-5."}],["$","meta","515",{"name":"twitter:image","content":"https://synthical.com/preview/article/bd88eb78-ffcf-11ed-90ce-72eb57fa10b3"}],["$","meta","516",{"name":"twitter:image:alt","content":"Search for rare and forbidden decays of charm and charmed-strange mesons to final states h^+- e^-+ e^+"}],["$","meta","517",{"name":"twitter:image:width","content":"1200"}],["$","meta","518",{"name":"twitter:image:height","content":"630"}],["$","link","519",{"rel":"icon","href":"/favicon-32x32.png"}],["$","link","520",{"rel":"apple-touch-icon","href":"/apple-touch-icon.png"}],["$","meta","521",{"name":"next-size-adjust"}]]