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Measurement of the B-0 -> K*(0) e(+) e(-) branching fraction at low dilepton mass

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Measurement of the B-0 -> K*(0) e(+) e(-) branching fraction at low dilepton mass

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dc.contributor.author LHCb Collaboration
dc.contributor.author Oyanguren Campos, Arantza
dc.contributor.author Ruiz Valls, Pablo
dc.date.accessioned 2014-03-31T10:29:16Z
dc.date.available 2014-03-31T10:29:16Z
dc.date.issued 2013
dc.identifier.citation LHCb Collaboration Oyanguren Campos, Arantza Ruiz Valls, Pablo 2013 Measurement of the B-0 -> K*(0) e(+) e(-) branching fraction at low dilepton mass Journal of High Energy Physics 05 5 159-1 159-18
dc.identifier.uri http://hdl.handle.net/10550/33840
dc.description.abstract The branching fraction of the rare decay B-0 -> K*(0) e(+) e(-) in the dilepton mass region from 30 to 1000 MeV/c(2) has been measured by the LHCb experiment, using pp collision data, corresponding to an integrated luminosity of 1.0 fb(-1), at a centre-of-mass energy of 7 TeV. The decay mode B-0 -> J/psi (e(+) e(-)) K*(0) is utilized as a normalization channel. The branching fraction B(B-0 -> K*(0) e(+) e(-)) is measured to be B(B-0 -> K*(0) e(+) e(-))(30-1000 MeV/c2) = (3.1(-0.8)(-0.3)(+0.9)(+0.2) +/- 0.2) x 10(-7) where the fi rst error is statistical, the second is systematic, and the third comes from the uncertainties on the B-0 -> J/K*(0) and J/psi -> e(+) e(-) branching fractions.
dc.relation.ispartof Journal of High Energy Physics, 2013, vol. 05, num. 5, p. 159-1-159-18
dc.subject Física nuclear
dc.subject Partícules (Física nuclear)
dc.title Measurement of the B-0 -> K*(0) e(+) e(-) branching fraction at low dilepton mass
dc.type journal article es_ES
dc.date.updated 2014-03-31T10:29:16Z
dc.identifier.doi 10.1007/JHEP05(2013)159
dc.identifier.idgrec 094065
dc.rights.accessRights open access es_ES
dc.identifier.url 10.1007/JHEP05(2013)159

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