Measurement of the B0s→J/ψη lifetime

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2016_physicslettersb_lhcbcollab_measurement.pdf (685.75 KB)
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URI: http://hdl.handle.net/10347/22434
ISSN: 0370-2693
E-ISSN: 1873-2445
DOI: 10.1016/j.physletb.2016.10.006

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2016

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Elsevier
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Using a data set corresponding to an integrated luminosity of 3fb−1, collected by the LHCb experiment in ppcollisions at centre-of-mass energies of 7 and 8TeV, the effective lifetime in the B0s→J/ψηdecay mode, τeff, is measured to be τeff = 1.479±0.034 (stat)±0.011 (syst)ps. Assuming CPconservation, τeffcorresponds to the lifetime of the light B0smass eigenstate. This is the first measurement of the effective lifetime in this decay mode.

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LHCb Collaboration et al. (2016). Measurement of the B0s→J/ψη lifetime. Physics Letters B, 762, 484-492

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©2016 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.

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