Extracting [formula presented] from the timelike pion form factor

S. Gardner; H. B. O’Connell

doi:10.1103/PhysRevD.59.076002

Extracting [formula presented] from the timelike pion form factor

S. Gardner
, H. B. O’Connell

Producción científica: Article › revisión exhaustiva

Resumen

We extract the G-parity-violating branching ratio (Formula presented) from the effective (Formula presented)-(Formula presented) mixing matrix element (Formula presented) determined from (Formula presented) data. The (Formula presented) partial width can be determined either from the timelike pion form factor or through the constraint that the mixed physical propagator (Formula presented) possesses no poles. The two procedures are inequivalent in practice, and we show why the first is preferred, to find finally (Formula presented).

Idioma original	English
Publicación	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volumen	59
N.º	7
DOI	https://doi.org/10.1103/PhysRevD.59.076002
Estado	Published - mar 5 1999

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.59.076002

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abstract = "We extract the G-parity-violating branching ratio (Formula presented) from the effective (Formula presented)-(Formula presented) mixing matrix element (Formula presented) determined from (Formula presented) data. The (Formula presented) partial width can be determined either from the timelike pion form factor or through the constraint that the mixed physical propagator (Formula presented) possesses no poles. The two procedures are inequivalent in practice, and we show why the first is preferred, to find finally (Formula presented).",

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AU - O’Connell, H. B.

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N2 - We extract the G-parity-violating branching ratio (Formula presented) from the effective (Formula presented)-(Formula presented) mixing matrix element (Formula presented) determined from (Formula presented) data. The (Formula presented) partial width can be determined either from the timelike pion form factor or through the constraint that the mixed physical propagator (Formula presented) possesses no poles. The two procedures are inequivalent in practice, and we show why the first is preferred, to find finally (Formula presented).

AB - We extract the G-parity-violating branching ratio (Formula presented) from the effective (Formula presented)-(Formula presented) mixing matrix element (Formula presented) determined from (Formula presented) data. The (Formula presented) partial width can be determined either from the timelike pion form factor or through the constraint that the mixed physical propagator (Formula presented) possesses no poles. The two procedures are inequivalent in practice, and we show why the first is preferred, to find finally (Formula presented).

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

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Extracting [formula presented] from the timelike pion form factor

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