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Search for flavor-changing-neutral-current D meson decays

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Article number101801
<mark>Journal publication date</mark>14/03/2008
<mark>Journal</mark>Physical review letters
Issue number10
Number of pages7
Publication StatusPublished
<mark>Original language</mark>English


We study the flavor-changing-neutral-current process c to u mu+ mu- using 1.3 fb^-1 of p p bar collisions at sqrt(s) = 1.96 TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We see clear indications of the Ds+ and D+ to phi pi+ to mu+ mu- pi+ final states with significance greater than four standard deviations above background for the D+ state. We search for the continuum decay of D+ to pi+mu+mu- in the dimuon invariant mass spectrum away from the phi resonance. We see no evidence of signal above background and set a limit of B(D+ to pi+mu+mu-)

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© 2008 The American Physical Society