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.
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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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