A soft-photon emission approach to $$\pi ^0 \to \gamma \gamma $$ and $$\gamma _1 \to \gamma \gamma \pi ^0 $$ decaysdecays

Maiani, L.; Preparata, G.

doi:10.1007/bf02818027

Nuov Cim A

1967

DOI: 10.1007/bf02818027

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A soft-photon emission approach to $$\pi ^0 \to \gamma \gamma $$ and $$\gamma _1 \to \gamma \gamma \pi ^0 $$ decaysdecays

L. Maiani

G. Preparata

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1967

1969

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Cited by 12 publications

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Algebra of Currents

Maiani¹,

Preparata²

1969

Fortschr. Phys.

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This is a review paper on the most important results obtained from the Algebra of Currents introduced by Gell‐Mann. It includes a detailed discussion on the derivation of sum rules (Adler‐Weisberger, Cabibbo‐Radicati, etc.), either with the p → ∞ method and with the covariant method. Theorems for the emission of zero energy pions are discussed, and applied to leptonic and non leptonic decays of K mesons, and to the 3π decay of the η meson. More recent developments of current algebra like the gauge fields current algebra, the Weinberg sum rules, and the applications of the Bjorken's method to weak and e.m. interactions are also discussed.

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Algebra of Currents

Maiani¹,

Preparata²

1969

Fortschr. Phys.

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A current-algebra calculation of the charged radiative η-decays

1967

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The η→π0γγ decay with PCAC and PCTC

Baracca

1967

Nuov Cim A

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A soft-photon emission approach to $$\pi ^0 \to \gamma \gamma $$ and $$\gamma _1 \to \gamma \gamma \pi ^0 $$ decaysdecays

Cited by 12 publications

References 4 publications

Algebra of Currents

Algebra of Currents

A current-algebra calculation of the charged radiative η-decays

The η→π0γγ decay with PCAC and PCTC

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