Abstract

We report the results of a search for the flavor-changing neutral-current decays D+→ π+μ+ μ and D+→ π+e+ e in data from Fermilab charm hadroproduction experiment E791. No signal above background is found, and we obtain upper limits on branching fractions, B(D+→ π+μ+ μ) < 1.8 ×10−5 and B(D+→ π+e+ e) < 6.6 × 10−5, at the 90% confidence level.

Original languageEnglish
Pages (from-to)364-367
Number of pages4
JournalPhysical Review Letters
Volume76
Issue number3
DOIs
StatePublished - 1996

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