Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1848758 | Nuclear Physics B - Proceedings Supplements | 2013 | 7 Pages |
Abstract
We present here a selection of B-physics results from the ATLAS experiment taking data at the Large Hadron Collider (LHC). The ATLAS data collected in pp collisions during 2010 and 2011 allowed a variety of B-physics measurements, reproducing essential B-hadron properties, such as masses and lifetimes, and demonstrating a good performance of the detector within an increasing instantaneous luminosity of the LHC machine. In this report we focus on the search for the decay using 2.4fb−1 of data collected in the first half of 2011. The observed number of events is in agreement with the background expectation. The resulting upper limit on the branching fraction is at 95% confidence level.
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