First Observation of the Decay Bc+→J/ψπ+π-π+

The LHCb Collaboration, Matthew Needham, Franz Muheim, Peter Clarke, Yuehong Xie, Stephan Eisenhardt

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The decay Bc+→J/ψπ+π-π+ is observed for the first time, using 0.8  fb-1 of pp collisions at √s=7  TeV collected by the LHCb experiment. The ratio of branching fractions B(Bc+→J/ψπ+π-π+)/B(Bc+→J/ψπ+) is measured to be 2.41±0.30±0.33, where the first uncertainty is statistical and the second is systematic. The result is in agreement with theoretical predictions.
Original languageEnglish
Pages (from-to)251802
Number of pages1
JournalPhysical Review Letters
Volume108
Early online date31 Mar 2012
DOIs
Publication statusPublished - 19 Jun 2012

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