Measurements of the Lambda(0)(b) -> J/psi Lambda decay amplitudes and the Lambda(0)(b) polarisation in pp collisions at root s=7 TeV

An angular analysis of Lambda(0)(b) -> J/psi Lambda decays is performed using a data sample corresponding to 1.0 fb(-1) collected in pp collisions at root s = 7 TeV with the LHCb detector at the LHC. A parity violating asymmetry parameter characterising the Lambda(0)(b) -> J/psi Lambda decay of 0.05 +/- 0.17 +/- 0.07 and a Lambda(0)(b) transverse production polarisation of 0.06 +/- 0.07 +/- 0.02 are measured, where the first uncertainty is statistical and the second systematic. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.


Published in:
Physics Letters B, 724, 1-3, 27-35
Year:
2013
Publisher:
Amsterdam, Elsevier Science Bv
ISSN:
0370-2693
Laboratories:




 Record created 2013-10-01, last modified 2018-01-28


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