Electromagnetism in nonleptonic weak interactions

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Dec 2000Embargo end date: 01 Jan 2000 Spain English Publisher:Elsevier BVJournal:Nuclear Physics B, volume 591, pages 419-434 (issn: 0550-3213,

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Authors: Ecker, Gerhard; Isidori, Gino; Müller, Guido; Neufeld, Helmut; Pich Zardoya, Antonio;

doi: 10.1016/s0550-3213(00)00568-x , 10.48550/arxiv.hep-ph/0006172

arXiv: hep-ph/0006172

handle: 10550/42413 , 10261/33202

Electromagnetism in nonleptonic weak interactions

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Abstract

We construct a low-energy effective field theory that permits the complete treatment of isospin-breaking effects in nonleptonic weak interactions to next-to-leading order. To this end, we enlarge the chiral Lagrangian describing strong and Delta S=1 weak interactions by including electromagnetic terms with the photon as additional dynamical degree of freedom. The complete and minimal list of local terms at next-to-leading order is given. We perform the one-loop renormalization at the level of the generating functional and specialize to K -> pi pi decays.

17 pages, 1 figure; 2 references added, final version for publication in Nucl. Phys. B

Country

Spain

Related Organizations

Spanish National Research Council
Spain
National Institute for Nuclear Physics
Italy
Universitätszahnklinik Wien
Austria
National Laboratory of Frascati
Italy
University of Valencia
Spain

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Keywords

Renormalization, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Isospin violation, Effective lagrangians, Chiral perturbation theory, Física, FOS: Physical sciences, Nonleptonic weak interactions

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