Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
The Delta I=1/2 rule in the chiral limit
Autore:
Bijnens, J; Prades, J;
Indirizzi:
Univ Lund, Dept Theoret Phys 2, S-22362 Lund, Sweden Univ Lund Lund Sweden S-22362 Dept Theoret Phys 2, S-22362 Lund, Sweden Univ Granada, Dept Fis Teor & Cosmos, E-18002 Granada, Spain Univ GranadaGranada Spain E-18002 Teor & Cosmos, E-18002 Granada, Spain
Titolo Testata:
JOURNAL OF HIGH ENERGY PHYSICS
fascicolo: 1, , anno: 1999,
pagine: NIL_23 - V32
SICI:
1029-8479(19990421):1<NIL_23:TDIRIT>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
TO-LEADING ORDER; HADRONIC MATRIX-ELEMENTS; LASINIO-LIKE MODELS; LIGHT-QUARK MASSES; EXTENDED NJL MODEL; PERTURBATION-THEORY; NONLEPTONIC DECAYS; QCD CORRECTIONS; EFFECTIVE-HAMILTONIANS; K->PI-PI DECAYS;
Keywords:
1 N expansion; weak decays; kaon physics; chiral Lagrangians;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
67
Recensione:
Indirizzi per estratti:
Indirizzo: Bijnens, J Univ Lund, Dept Theoret Phys 2, Solvegatan 14A, S-22362 Lund, Sweden Univ Lund Solvegatan 14A Lund Sweden S-22362 2362 Lund, Sweden
Citazione:
J. Bijnens e J. Prades, "The Delta I=1/2 rule in the chiral limit", J HIGH EN P, (1), 1999, pp. NIL_23-V32

Abstract

We discuss the matching between long-distance and short-distance at next-to-leading in 1/N-c and show how the scheme-dependence from the two-loop renormalization group running can be treated. We then use this method to studythe three O(p(2)) terms contributing to non-leptonic kaon decays, namely the usual octet and 27-plet derivative terms as well as the weak mass term using the Extended Nambu-Jona-Lasinio model as the low energy approximation. We also discuss subtleties in the momentum routing in the low energy theory and a problem in separating factorizable and non-factorizable contributions from the Q(6) operator in the chiral limit. We update our earlier results on the B-K parameter as well.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/20 alle ore 12:32:46