Constraint equations for heavy-to-light currents in soft-collinear effective theory

A complete basis for the next-to-next-to leading order heavy-to-light currents in the soft-collinear effective theory is constructed. Reparametrization invariance is imposed by deriving constraint equations. Their solutions give the set of allowed Dirac structures as well as relations between the Wi...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 2005-12, Vol.72 (11), Article 114002
Hauptverfasser:	Arnesen, Christian M., Kundu, Joydip, Stewart, Iain W.
Format:	Artikel
Sprache:	eng
Schlagworte:	ALGEBRAIC CURRENTS B QUARKS BOUNDARY CONDITIONS C QUARKS CURRENT ALGEBRA MATHEMATICAL SOLUTIONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS T QUARKS
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