Search for the flavour-changing neutral current decay D0 to mu+mu- in pp collisions at sqrt(s) = 7 TeV with CMS
classification
✦ hep-ex
keywords
decaycollisionscurrentflavour-changingneutralsearchsqrtbranching
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A search for the flavour-changing neutral current decay D0 to mu+mu- is performed in pp collisions at sqrt(s) = 7 TeV using 90 pb-1 of data collected by the CMS experiment at the LHC. No evidence is found for this decay mode. The upper limit on the branching fraction B(D0 to mu+mu-) is 5.4x10-7 at the 90% confidence level.
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