Abstract
A measurement of the lifetime and mass in the decay channel is presented. The analysis uses a signal sample of about 2200 and decays that are reconstructed in of ATLAS collision data collected in 2011 at the LHC center-of-mass energy of 7 TeV. A simultaneous mass and decay time maximum likelihood fit is used to extract the lifetime and mass. They are measured to be and .
- Received 10 July 2012
DOI:https://doi.org/10.1103/PhysRevD.87.032002
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© 2013 CERN, for the ATLAS Collaboration