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Journal Article

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

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Schmelling,  M.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Aaij, R., Adeva, B., Adinolfi, M., Ajaltounis, Z., Akar, S., Albrecht, J., et al. (2017). New algorithms for identifying the flavour of B-0 mesons using pions and protons. European Physical Journal C, 77(4): 238. doi:10.1140/epjc/s10052-017-4731-y.


Cite as: https://hdl.handle.net/21.11116/0000-0001-0971-6
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 and protons from the hadronization process. The algorithms are optimized and calibrated on data, using B-0 -> D- pi(+) decays from pp collision data collected by LIICh 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 B-0 meson is the first of its kind.