Decoupling heavy particles simultaneously

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Autor(es): dc.contributorUniversity of Adelaide-
Autor(es): dc.contributorUniversität Innsbruck-
Autor(es): dc.contributorInstituto de Fisica Teorica-
Autor(es): dc.contributorUniversidade Presbiteriana Mackenzie-
Autor(es): dc.contributorJefferson National Laboratory-
Autor(es): dc.creatorCrewther, R. J.-
Autor(es): dc.creatorBass, S. D.-
Autor(es): dc.creatorSteffens, F. M.-
Autor(es): dc.creatorThomas, A. W.-
Data de aceite: dc.date.accessioned2025-08-21T23:36:10Z-
Data de disponibilização: dc.date.available2025-08-21T23:36:10Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2005-04-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.nuclphysbps.2004.12.024-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/230967-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/230967-
Descrição: dc.descriptionThe renormalization group is extended to cases where several heavy particles are decoupled at the same time. This involves large logarithms which are scale-invariant and so cannot be eliminated by a change of renormalization scheme. A set of scale-invariant running couplings, one for each heavy particle, is constructed without reference to intermediate thresholds. The entire heavy-quark correction to the axial charge of the weak neutral current is derived to next-to-leading order, and checked in leading order by evaluating diagrams explicitly. The mechanism for cancelling contributions from the top and bottom quarks in the equal-mass limit is surprisingly non-trivial. © 2004 Elsevier B.V. All rights reserved.-
Descrição: dc.descriptionDepartment of Physics Ctr. for Subatomic Struct. of Matter University of Adelaide, Adelaide, SA 5005-
Descrição: dc.descriptionHigh Energy Physics Group Institute for Experimental Physics Universität Innsbruck, Technikerstrasse 25, A 6020 Innsbruck-
Descrição: dc.descriptionInstituto de Fisica Teorica, Rua Pamplona 145, 01405-900 São Paulo, SP-
Descrição: dc.descriptionNFC FCBEE Universidade Presbiteriana Mackenzie, Rua da Consolação 930, 01302-907 São Paulo, SP-
Descrição: dc.descriptionJefferson National Laboratory, 12000 Jefferson Ave., Newport News, VA 23606-
Formato: dc.format159-164-
Idioma: dc.languageen-
Relação: dc.relationNuclear Physics B - Proceedings Supplements-
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Título: dc.titleDecoupling heavy particles simultaneously-
Tipo de arquivo: dc.typelivro digital-
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