Search for rare and forbidden 3-body di-muon decays of the charmed mesons D+ and Ds+

Document Type

Article

Publication Date

2003

Abstract

Using a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, we report results of a search for eight rare and Standard-Model-forbidden decays: D+, Ds+→h±μ∓μ+ (with h=π,K). Improvement over previous results by a factor of 1.7–14 is realized. Our branching ratio upper limit D+→π+μ−μ+ of 8.8×10−6 at the 90% C.L. is below the current MSSM R-parity violating constraint.

Comments

Published as: Link, J. M., Yager, P. M., Anjos, J. C., Bediaga, I., Göbel, C., Magnin, J., … Sheaff, M. (2003). Search for rare and forbidden 3-body di-muon decays of the charmed mesons D+ and Ds+. Physics Letters B, 572(1–2), 21–31. https://doi.org/10.1016/j.physletb.2003.07.079

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