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A heavy-quark effective field Lagrangian keeping particle and antiparticle mixed sectors

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A heavy-quark effective field Lagrangian keeping particle and antiparticle mixed sectors

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dc.contributor.author Bertó Roselló, Francesc
dc.contributor.author Doménech Garret, Juan Luis
dc.contributor.author Sanchis Lozano, Miguel Ángel
dc.date.accessioned 2015-05-21T09:59:00Z
dc.date.available 2015-05-21T09:59:00Z
dc.date.issued 1999
dc.identifier.citation Bertó Roselló, Francesc Doménech Garret, Juan Luis Sanchis Lozano, Miguel Ángel 1999 A heavy-quark effective field Lagrangian keeping particle and antiparticle mixed sectors Nuovo Cimento della Societa Italiana di Fisica A-Nuclei Particles and Fields 112 10 1181 1193
dc.identifier.uri http://hdl.handle.net/10550/43899
dc.description.abstract We derive a tree-level heavy quark effective Lagrangian keeping particle-antiparticle mixed sectors allowing for heavy quark-antiquark pair annihilation and creation. However, when removing the unwanted degrees of freedom from the effective Lagrangian one has to be careful in using the classical equations of motion obeyed by the effective fields in order to get a convergent expansion on the reciprocal of the heavy quark mass. Then the application of the effective theory to such hard processes should be sensible for special kinematic regimes as for example heavy quark pair production near threshold.
dc.language.iso eng
dc.relation.ispartof Nuovo Cimento della Societa Italiana di Fisica A-Nuclei Particles and Fields, 1999, vol. 112, num. 10, p. 1181-1193
dc.subject Física
dc.title A heavy-quark effective field Lagrangian keeping particle and antiparticle mixed sectors
dc.type journal article es_ES
dc.date.updated 2015-05-21T09:59:00Z
dc.identifier.doi 10.1007/BF03035921
dc.identifier.idgrec 091231
dc.rights.accessRights open access es_ES

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