Electromagnetic transition form factors of the Roper resonance in a phenomenological field theory

T. Bauer, S. Scherer, and L. Tiator
Phys. Rev. C 90, 015201 – Published 8 July 2014

Abstract

We analyze the form factors of the electromagnetic nucleon-to-Roper-resonance transition in the framework of a low-energy phenomenological field theory. A systematic power-counting procedure is generated by applying the complex-mass scheme. Within this power counting we calculate the form factors to next-to-next-to-leading order and fit the results to empirical data.

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  • Received 4 February 2014
  • Revised 13 June 2014

DOI:https://doi.org/10.1103/PhysRevC.90.015201

©2014 American Physical Society

Authors & Affiliations

T. Bauer, S. Scherer, and L. Tiator

  • PRISMA Cluster of Excellence, Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany

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Vol. 90, Iss. 1 — July 2014

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