Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/33405
Share/Impact:
Título : QCD-duality approach to non-leptonic weak transitions : towards an understanding of the |DELTA.I| = 1/2 rule
Autor : Pich, Antonio
Fecha de publicación : Apr-1989
Editor: Elsevier
Citación : Nuclear Physics B Proceedings Supplements 7(1): 194-212 (1989)
Resumen: The progress done in the QCD-duality analysis of strangeness changing nonleptonic weak transitions is reviewed. The method combines the information provided by the effective chiral realization of QCD at long distances with its perturbative short-distance behaviour, via a duality approach. Special attention is given to the failure of the earlier leading-logarithm calculations in explaining the observed |AI| = 1/2 K -- pipi amplitude. It is shown that the next-to-leading alfas corrections to the |AI| = 1/2 correlator are enormous, and with the appropriate sign to produce the required enhancement.
Descripción : 19 páginas, 5 figuras, 1 tabla.-- Comunicación presentada al Ringberg Workshop on Hadronic Matrix Elements and Weak Decays celebrado del 17 al 22 de Abril de 1988 en Ringberg (Alemania).-- CERN-TH-5102-88.
Versión del editor: http://dx.doi.org/10.1016/0920-5632(89)90569-0
URI : http://hdl.handle.net/10261/33405
ISSN: 0920-5632
DOI: 10.1016/0920-5632(89)90569-0
Appears in Collections:(IFIC) Artículos

Files in This Item:
File Description SizeFormat 
198808555.pdf476,43 kBAdobe PDFView/Open
Show full item record
 
CSIC SFX LinksSFX Query

Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.