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The mass relation mA = √2mϱ from current algebra and the Kroll-Ruderman theorem

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Abstract

Assuming that the low-energy s-wave photopion production amplitude is dominated by the axial meson, we derive the Weinberg's relation mA = √2mρ{variant} in the framework of current algebra. © 1982.

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English

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Nuclear Physics, Section B, v. 4, n. 5, p. 462-466, 1968.

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