Opposite-side flavour tagging of B mesons at the LHCb experiment.

Opposite-side flavour tagging of B mesons at the LHCb experiment.

The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B (+)→J/ψK (+), B (0)→J/ψK (∗0) an...

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Bibliographic Details
Main Authors: Aaij, R, Abellan Beteta, C, Adeva, B, Adinolfi, M, Adrover, C, Affolder, A, Ajaltouni, Z, Albrecht, J, Alessio, F, Alexander, M, Alkhazov, G, Alvarez Cartelle, P, Alves, A, Amato, S, Amhis, Y, Anderson, J, Appleby, R, Aquines Gutierrez, O, Archilli, F, Arrabito, L, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Bachmann, S
Format: Journal article
Language:English
Published: 2012
Description
Summary:The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B (+)→J/ψK (+), B (0)→J/ψK (∗0) and B (0)→D (∗-) μ (+) ν μ decay modes with 0.37 fb(-1) of data collected in pp collisions at [Formula: see text] during the 2011 physics run. The opposite-side tagging power is determined in the B (+)→J/ψK (+) channel to be (2.10±0.08±0.24) %, where the first uncertainty is statistical and the second is systematic.

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