Two new algorithms for use in the analysis of pp collision are developed to identify the flavour of B mesons at production using pions , protons from the hadronization process. The algorithms are optimized , calibrated on data using B-0 -> D- pi(+) decays from pp collision data collected by LIICh at centre -of -mass energies of 7, 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 B-0 meson is the first of its kind.

New algorithms for identifying the flavour of B-0 mesons using pions and protons

Bonivento W.;Bursche A.;Chen S.;Lai A.;Manca G.;Oldeman R.;Saitta B.;
2017-01-01

Abstract

Two new algorithms for use in the analysis of pp collision are developed to identify the flavour of B mesons at production using pions , protons from the hadronization process. The algorithms are optimized , calibrated on data using B-0 -> D- pi(+) decays from pp collision data collected by LIICh at centre -of -mass energies of 7, 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 B-0 meson is the first of its kind.
2017
transverse momentum; systematic uncertainty; calibration parameter; multivariate classifier; mistag probability
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/239507
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