Effective operators in top physics

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URI: http://hdl.handle.net/10481/30570
ISSN: 1824-8039
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Auteur
Aguilar Saavedra, Juan Antonio
Editorial
Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Materia
Standard model
 
Operators
 
Top quark
 
Date
2010
Referencia bibliográfica
Aguilar-Saavedra, J.A.; Effective operators in top physics. Proceedings of Science: 378 (2010). [http://hdl.handle.net/10481/30570]
Patrocinador
†This work has been partially supported by a MICINN Ramón y Cajal contract and by projects FPA2006-05294 (MICINN), FQM 101 and FQM 437 (Junta de Andalucía), CERN/FP/83588/2008 (FCT), and MRTN-CT-2006-035505 (European Union).
Résumé
Top interactions beyond the Standard Model can be conveniently described in the framework of gauge-invariant effective operators. We briefly review the general form of the fermion-fermiongauge boson and fermion-fermion-Higgs interactions arising from dimension-6 operators, focusing on the top quark. We discuss in detail an expansion in powers of 1/L2, where L is the new physics scale, to consistently calculate observables in terms of top anomalous couplings.
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