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Measurement of the Lambda(b)0 lifetime in pp collisions at sqrt(s) = 7 TeV

Abstract : A measurement of the Lambda(b)0 lifetime using the decay Lambda(b)0 to J/Psi Lambda in proton-proton collisions at sqrt(s)=7 TeV is presented. The data set, corresponding to an integrated luminosity of about 5 inverse femtobarns, was recorded with the CMS experiment at the Large Hadron Collider using triggers that selected dimuon events in the J/Psi mass region. The Lambda(b)0 lifetime is measured to be 1.503 +/- 0.052 (stat.) +/- 0.031 (syst.) ps.
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http://hal.in2p3.fr/in2p3-00819067
Contributor : Sylvie Flores <>
Submitted on : Tuesday, April 30, 2013 - 8:11:54 AM
Last modification on : Friday, June 5, 2020 - 10:52:06 AM

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S. Chatrchyan, M. Besançon, S. Choudhury, F. Couderc, M. Dejardin, et al.. Measurement of the Lambda(b)0 lifetime in pp collisions at sqrt(s) = 7 TeV. Journal of High Energy Physics, Springer, 2013, 07(2013), pp.163. ⟨10.1007/JHEP07(2013)163⟩. ⟨in2p3-00819067⟩

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