Measurement of relative branching fractions of decays to (2) and / mesons.

Eur Phys J C Part Fields

European Organization for Nuclear Research (CERN), Geneva, Switzerland.

Published: August 2012

The relative rates of -meson decays into / and (2) mesons are measured for the three decay modes in collisions recorded with the LHCb detector. The ratios of branching fractions ([Formula: see text]) are measured to be [Formula: see text] where the third uncertainty is from the ratio of the (2) and / branching fractions to .

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4370872PMC
http://dx.doi.org/10.1140/epjc/s10052-012-2118-7DOI Listing

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