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Search for flavor-changing neutral current and lepton-flavor violating decays of D-0 -> l(+)l(-)

Aubert, B; Barate, R; Boutigny, D; Couderc, F; Gaillard, JM; Hicheur, A; Karyotakis, Y; ... BABAR Collaboration; + view all (2004) Search for flavor-changing neutral current and lepton-flavor violating decays of D-0 -> l(+)l(-). PHYS REV LETT , 93 (19) , Article 191801. 10.1103/PhysRevLett.93.191801. Green open access

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Abstract

We report on a search for the flavor-changing neutral current decays D-0-->e(+)e(-) and D-0-->mu(+)mu(-), and the lepton-flavor violating decay D-0-->e(+/-)mu(-/+). The measurement is based on 122 fb(-1) of data collected by the BABAR detector at the SLAC PEP-II asymmetric e(+)e(-) collider. No evidence is found for any of the decays. The upper limits on the branching fractions, at the 90% confidence level, are 1.2x10(-6) for D-0-->e(+)e(-), 1.3x10(-6) for D-0-->mu(+)mu(-), and 8.1x10(-7) for D-0-->e(+/-)mu(-/+).

Type: Article
Title: Search for flavor-changing neutral current and lepton-flavor violating decays of D-0 -> l(+)l(-)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.93.191801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.93.191801
Language: English
Additional information: The American Physical Society
Keywords: DETECTOR
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1303689
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