Virtual Photon-Photon Annihilation and the Pion Mass Difference | Zendy

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Virtual Photon-Photon Annihilation and the Pion Mass Difference

Author(s) -

TungMow Yan

Publication year - 1971

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.4.3523

Subject(s) - annihilation , physics , pion , virtual particle , photon , electron , nuclear physics , positron , electromagnetic mass , electron–positron annihilation , pair production , particle physics , atomic physics , two photon excitation microscopy , quantum electrodynamics , quantum mechanics , excitation , hadron

On the basis of current algebra and PCAC a sum rule is derived which relates the electromagnetic pion mass difference to the differential cross section for a charged pion pair production near the threshold through virtual photon-photon annihilation in electron-electron (positron) collision.

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