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Featured researches published by Ziro Maki.


Progress of Theoretical Physics | 1979

Violation of the Vacuum Symmetry, Decay Constants and the Mixing of “η” Mesons

Nobuyuki Aizawa; Ziro Maki; Isao Umemura; Katsuji Yamamoto

Properties of pseudoscalar mesons in the four-flavour QCD model are studied in detail. Their masses, mixings and decay constants are correlated, more or less strongly, to the structure of symmetry breaking of the vacuum. Through an extensive numerical analysis, it is shown, among other things, that the vacuum obeys an approximate SU (3) XU (1) symmetry rather than SU(4), the violation of the latter of which is reflected in the magnitudes of decay constants of charmed mesons.


Progress of Theoretical Physics | 1972

Quartet Scheme of Hadrons in Chiral U(4) ⊗U(4)

Ziro Maki; Toshihide Maskawa; Isao Umemura


Progress of Theoretical Physics | 1980

A Quark Model Test by Radiative Processes of η and η' Mesons

Nobuyuki Aizawa; Ziro Maki; Isao Umemura; Katsuji Yamamoto


Progress of Theoretical Physics | 1972

A Note on the Leptonic Decays of Charmed Mesons

Hiroki Kondo; Ziro Maki; Toshihide Maskawa


Progress of Theoretical Physics | 1971

FUNDAMENTAL QUARTETS AND CHIRAL U(4) x U(4).

Ziro Maki; Toshihide Maskawa


Progress of Theoretical Physics | 1988

Probabilistic Interpretation and the Quantum Theory of Measurement. II

Ziro Maki


Progress of Theoretical Physics | 1978

Axial-Vector Current Anomaly, Decay Constants, and η-η′-ηc Problem in an N-Flavour Quark Model

Ziro Maki; Tadayuki Teshima; Isao Umemura


Progress of Theoretical Physics | 1978

Masses and Decay Constants of Charmed Mesons

Ziro Maki; Isao Umemura


Progress of Theoretical Physics | 1976

An Improved Mass Formula for 0--Mesons in Broken SU(4)-Model for New Particles

Ziro Maki; Tadayuki Teshima; Isao Umemura


Progress of Theoretical Physics | 1973

Hadron symmetries and gauge theory of weak and electromagnetic interactions

Ziro Maki; Toshihide Maskawa

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