Published January 1, 2017 | Version v1
Journal article Open

Mass and width of the Delta(1232) resonance using complex-mass renormalization

  • 1. Johannes Gutenberg Univ Mainz, Inst Kernphys, PRISMA Cluster Excellence, D-55099 Mainz, Germany
  • 2. Canakkale Onsekiz Mart Univ, Phys Dept, TR-17100 Canakkale, Turkey

Description

We discuss the pole mass and the width of the Delta(1232) resonance to third order in chiral effective field theory. In our calculationwe choose the complex-mass renormalization scheme (CMS) and show that the CMS provides a consistent power-counting scheme. In terms of the pion-mass dependence, we compare the convergence behavior of the CMS with the small-scale expansion.

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