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New algorithms for identifying the flavour of [Formula: see text] mesons using pions and protons
R Aaij1, B Adeva2, M Adinolfi3
1European Organization for Nuclear Research (CERN), Geneva, Switzerland.
Abstract:
Two new algorithms for use in the analysis of [Formula: see text] collision are developed to identify the flavour of [Formula: see text] mesons at production using pions and protons from the hadronization process. The algorithms are optimized and calibrated on data, using [Formula: see text] decays from [Formula: see text] 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 [Formula: see text] meson is the first of its kind.
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