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https://hdl.handle.net/2440/17572
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DC Field | Value | Language |
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dc.contributor.author | Crewther, R. | - |
dc.contributor.author | Bass, S. | - |
dc.contributor.author | Steffens, F. | - |
dc.contributor.author | Thomas, A. | - |
dc.contributor.editor | Brodsky, S. | - |
dc.contributor.editor | de Wit, B. | - |
dc.contributor.editor | Parisi, G. | - |
dc.contributor.editor | Schwimmer, A. | - |
dc.contributor.editor | Veneziano, G. | - |
dc.contributor.editor | Weinberg, S. | - |
dc.date.issued | 2005 | - |
dc.identifier.citation | Nuclear Physics B-Proceedings Supplements, 2005; 141:159-164 | - |
dc.identifier.issn | 0920-5632 | - |
dc.identifier.uri | http://hdl.handle.net/2440/17572 | - |
dc.description | Copyright © 2004 Elsevier B.V. All rights reserved. | - |
dc.description.abstract | The 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. | - |
dc.description.statementofresponsibility | R.J. Crewther, S.D. Bass, F.M. Steffens and A.W. Thomas | - |
dc.description.uri | http://www.elsevier.com/wps/find/journaldescription.cws_home/505717/description#description | - |
dc.language.iso | en | - |
dc.publisher | Elsevier Science BV | - |
dc.source.uri | http://dx.doi.org/10.1016/j.nuclphysbps.2004.12.024 | - |
dc.title | Decoupling heavy particles simultaneously | - |
dc.type | Conference paper | - |
dc.contributor.conference | QCD Down Under. Workshop on Quantum Chromodynamics (2005) | - |
dc.identifier.doi | 10.1016/j.nuclphysbps.2004.12.024 | - |
dc.publisher.place | PO Box 211 Amsterdam Netherlands 1000 AE | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Thomas, A. [0000-0003-0026-499X] | - |
Appears in Collections: | Aurora harvest 6 Special Research Centre for the Subatomic Structure of Matter publications |
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