Abstract
The current scope and status of the ATLAS B-physics trigger and of off-line performance studies are presented. From the initial running at low-luminosity at LHC, high-statistics B analyses will allow sensitive tests of possible new physics contributions by searching for additional CP violating effects and for anomalous rates of rare B-decay channels. In the physics of the B0s meson system there is sensitivity to mass and width differences and to a weak mixing phase beyond the Standard Model expectation. ATLAS will also be able to access rare B decays using the high-luminosity running. Measurements of beauty production sensitive to higher order QCD terms will also be made, providing new data to investigate present inconsistencies between theory and experiment. PACS: 25.70.Ef – 21.60.Gx – 27.30.+t
Highlights
In recent years B-physics received a lot of attention and presently the measurements of B-factories are being published, see for instance [1, 2]
The physics potential of these experiments is high, it may well be that the very precise B-decay measurements needed for finding evidence of new physics will be left for the LHC experiments
ATLAS has recently addressed the issue of maximizing B-physics capabilities in the context of a possibly reduced initial Trigger and Data Acquisition (DAQ)
Summary
The current scope and status of the ATLAS B-physics trigger and of offline performance studies are presented. From the initial running at low-luminosity at LHC, high-statistics B analyses will allow sensitive tests of possible new physics contributions by searching for additional CP violating effects and for anomalous rates of rare B-decay channels. In the physics of the B0s meson system there is sensitivity to mass and width differences and to a weak mixing phase beyond the Standard Model expectation. ATLAS will be able to access rare B decays using the high-luminosity running. Measurements of beauty production sensitive to higher order QCD terms will be made, providing new data to investigate present inconsistencies between theory and experiment
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