A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule
Giusti L, Hernandez P, Laine M, Weisz P, Wittig H (2004)
JOURNAL OF HIGH ENERGY PHYSICS 2004(11): 016.
Zeitschriftenaufsatz
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Autor*in
Giusti, L;
Hernandez, P;
Laine, MikkoUniBi 
;
Weisz, P;
Wittig, H
;
Weisz, P;
Wittig, HEinrichtung
Abstract / Bemerkung
We present a strategy designed to separate several possible origins of the well-known enhancement of the DeltaI - 1/2 amplitude in non-leptonic kaon decays. In particular, we seek to unambiguously quantify the role of the charm quark mass in the observed enhancement. This is achieved by considering QCD with an unphysically light charm quark, so that the theory possesses an approximate SU(4)(L) x SU(4)(R) chiral symmetry. The strategy proceeds by computing the relevant operator matrix elements and monitoring their values as the charm quark mass departs from the SU(4)-symmetric situation. We study the influence of the charm quark mass in Chiral Perturbation Theory. First results from lattice simulations in the SU(4)-symmetric limit are also discussed.
Stichworte
chiral lagrangians;
lattice QCD;
kaon physics;
weak decays
Erscheinungsjahr
2004
Zeitschriftentitel
JOURNAL OF HIGH ENERGY PHYSICS
Band
2004
Ausgabe
11
Seite(n)
016
ISSN
1126-6708
eISSN
1029-8479
Page URI
https://pub.uni-bielefeld.de/record/1605154
Zitieren
Giusti L, Hernandez P, Laine M, Weisz P, Wittig H. A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule. JOURNAL OF HIGH ENERGY PHYSICS. 2004;2004(11):016.
Giusti, L., Hernandez, P., Laine, M., Weisz, P., & Wittig, H. (2004). A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule. JOURNAL OF HIGH ENERGY PHYSICS, 2004(11), 016. https://doi.org/10.1088/1126-6708/2004/11/016
Giusti, L, Hernandez, P, Laine, Mikko, Weisz, P, and Wittig, H. 2004. “A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule”. JOURNAL OF HIGH ENERGY PHYSICS 2004 (11): 016.
Giusti, L., Hernandez, P., Laine, M., Weisz, P., and Wittig, H. (2004). A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule. JOURNAL OF HIGH ENERGY PHYSICS 2004, 016.
Giusti, L., et al., 2004. A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule. JOURNAL OF HIGH ENERGY PHYSICS, 2004(11), p 016.
L. Giusti, et al., “A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule”, JOURNAL OF HIGH ENERGY PHYSICS, vol. 2004, 2004, pp. 016.
Giusti, L., Hernandez, P., Laine, M., Weisz, P., Wittig, H.: A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule. JOURNAL OF HIGH ENERGY PHYSICS. 2004, 016 (2004).
Giusti, L, Hernandez, P, Laine, Mikko, Weisz, P, and Wittig, H. “A strategy to study the role of the charm quark in explaining the Delta I=1/2 rule”. JOURNAL OF HIGH ENERGY PHYSICS 2004.11 (2004): 016.
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