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New algorithms for identifying the flavour of B[superscript 0] mesons using pions and protons

Author(s)
Boettcher, Thomas Julian; Ilten, Philip J; Williams, Michael
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Abstract
Two new algorithms for use in the analysis of pp collision are developed to identify the flavour of B[superscript 0] mesons at production using pions and protons from the hadronization process. The algorithms are optimized and calibrated on data, using B[superscript 0]→D[superscript -]π[superscript +] decays from pp collision data collected by LHCb at centre-of-mass energies of 7 and 8 TeV . The tagging power of the new pion algorithm is 60% greater than the previously available one; the algorithm using protons to identify the flavour of a B0meson is the first of its kind. Keywords: Transverse, Momentum, Systematic Uncertainty, Calibration Parameter, Multivariate Classifier, Mistag Probability
Date issued
2017-04
URI
http://hdl.handle.net/1721.1/118857
Department
Massachusetts Institute of Technology. Department of Physics
Journal
The European Physical Journal C
Publisher
Springer Berlin Heidelberg
Citation
LHCb Collaboration, et al. “New Algorithms for Identifying the Flavour of B[superscript 0] Mesons Using Pions and Protons.” The European Physical Journal C, vol. 77, no. 4, Apr. 2017. © 2017 CERN for the benefit of the LHCb collaboration
Version: Final published version
ISSN
1434-6044
1434-6052

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