The role of the Roper in chiral perturbation theory

Bingwei Long, Ubirajara Van Kolck

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We include the Roper excitation of the nucleon in a version of heavy-baryon chiral perturbation theory recently developed for energies around the delta resonance. We find significant improvement in the P11 channel.

Original languageEnglish (US)
Pages (from-to)72-82
Number of pages11
JournalNuclear Physics, Section A
Volume870-871
Issue number1
DOIs
StatePublished - Nov 2011

Fingerprint

baryons
perturbation theory
excitation
energy

Keywords

  • Chiral perturbation theory
  • Effective field theory
  • The Roper resonance

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

The role of the Roper in chiral perturbation theory. / Long, Bingwei; Van Kolck, Ubirajara.

In: Nuclear Physics, Section A, Vol. 870-871, No. 1, 11.2011, p. 72-82.

Research output: Contribution to journalArticle

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