A Comment on form-factor mass singularities in flavor changing neutral currents
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A Comment on form-factor mass singularities in flavor changing neutral currents

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A Comment on form-factor mass singularities in flavor changing neutral currents

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dc.contributor.author Sanchis Lozano, Miguel Ángel
dc.date.accessioned 2015-05-21T11:20:46Z
dc.date.available 2015-05-21T11:20:46Z
dc.date.issued 1991
dc.identifier.uri http://hdl.handle.net/10550/43906
dc.description.abstract Flavor-changing effective verticesq l q h V 0, whereV 0 represents a neutral gauge boson (γ,Z 0,g), involving a heavy external quark, are discussed within the standard model at one-loop level and second-order approximation in external momenta and masses: the logarithmic singular terms in the form factors at vanishing mass of the internal quark in the loop have to be replaced by pieces coming from next order in external momenta. Implications in theb→d+X penguin transitions are commented.
dc.language.iso eng
dc.relation.ispartof Zeitschrift für Physik C-Particles and Fields, 1991, vol. 52, num. 3, p. 511-515
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Sanchis Lozano, Miguel Ángel 1991 A Comment on form-factor mass singularities in flavor changing neutral currents Zeitschrift für Physik C-Particles and Fields 52 3 511 515
dc.subject Física
dc.title A Comment on form-factor mass singularities in flavor changing neutral currents
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-05-21T11:20:46Z
dc.identifier.doi http://dx.doi.org/10.1007/BF01559448
dc.identifier.idgrec 091217

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