Taylor's Series and Dispersion Relation Analyses of the Vector Pion Form Factor and  their Comparison  with  Perturbative and Non Perturbative Calculations

Truong Nguyen Tran

doi:10.15625/0868-3166/25/1/5509

Taylor's Series and Dispersion Relation Analyses of the Vector Pion Form Factor and their Comparison with Perturbative and Non Perturbative Calculations

Truong Nguyen Tran

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Authors

Truong Nguyen Tran Centre de Physique Theorique de l'Ecole Polytechnique

DOI:

https://doi.org/10.15625/0868-3166/25/1/5509

Abstract

The first three coefficients of the Taylor's series expansion of the vevtor pion form factor as a function of the momentum transfer are evaluated using the experimental data on the pion form factor and the P-wave \(\pi\pi\) phase shifts. The real part of the form factor as a function of energy is also calculated by dispersion relation. Comparisons there results with Chiral Perturbation Theory and unitarized models are given.

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Published

21-04-2015

How to Cite

[1]

T. N. Tran, Taylor’s Series and Dispersion Relation Analyses of the Vector Pion Form Factor and their Comparison with Perturbative and Non Perturbative Calculations, Comm. Phys. 25 (2015) 21. DOI: https://doi.org/10.15625/0868-3166/25/1/5509.

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Issue

Vol. 25 No. 1 (2015)

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Papers

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