Nonleptonic Interactions of Kaons in the Quark Confinement Model | Zendy

Avakyan E. Z. | Zendy; Avakyan S. L. | Zendy; Efimov G. V. | Zendy; Ivanov M. A. | Zendy

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Nonleptonic Interactions of Kaons in the Quark Confinement Model

Author(s) -

Avakyan E. Z.,

Avakyan S. L.,

Efimov G. V.,

Ivanov M. A.

Publication year - 1990

Publication title -

fortschritte der physik/progress of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.469

H-Index - 71

eISSN - 1521-3978

pISSN - 0015-8208

DOI - 10.1002/prop.2190380803

Subject(s) - physics , meson , electromagnetic mass , particle physics , scalar (mathematics) , quark , color confinement , quark model , scalar meson , strange quark , nuclear physics , quantum electrodynamics , quarkonium , geometry , mathematics

Nonleptonic, electromagnetic decays of K‐mesons and K°–K̄° transition are treated with the effective Hamiltonians with Δ S = 1, 2. Matrix elements of four‐quark operators are calculated in the framework of Quark Confinement Model. The account of the intermediate scalar mesons turns out to allow to explain Δ I = 1/2 rule. The account of intermediate scalar and pseudo‐scalar states leads to experimental value of mass difference of K L °–K S ° mesons. The obtained values for nonleptonic and electromagnetic decay widths as well as mass difference Δ m LS are in good agreement with experimental data.

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