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A measurement of the K + → π + μ + μ− decay

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dc.contributor.authorCortina Gil, E.
dc.contributor.authorKleimenova, A.
dc.contributor.authorMinucci, E.
dc.contributor.authorPadolski, S.
dc.contributor.authorKudenko, Y.
dc.contributor.authorКуденко, Юрий Григорьевич
dc.date.accessioned2024-12-25T10:28:05Z
dc.date.available2024-12-25T10:28:05Z
dc.date.issued2022
dc.description.abstractA sample of 2.8 × 104K+ → π+μ+μ− candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017–2018. The model-independent branching fraction is measured to be (9.15 ± 0.08) × 10−8, a factor three more precise than previous measurements. The decay form factor is presented as a function of the squared dimuon mass. A measurement of the form factor parameters and their uncertainties is performed using a description based on Chiral Perturbation Theory at O(p6). © 2022, The Author(s).
dc.identifier.citationA measurement of the K + → π + μ + μ− decay / Cortina Gil, E. [et al.] // Journal of High Energy Physics. - 2022. - 2022. - № 11. - 10.1007/JHEP11(2022)011
dc.identifier.doi10.1007/JHEP11(2022)011
dc.identifier.urihttps://www.doi.org/10.1007/JHEP11(2022)011
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85141191062&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000879172600004
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27649
dc.relation.ispartofJournal of High Energy Physics
dc.subjectBranching fraction
dc.subjectFixed Target Experiments
dc.subjectFlavour Changing Neutral Currents
dc.subjectRare Decay
dc.titleA measurement of the K + → π + μ + μ− decay
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue11
oaire.citation.volume2022
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