The role of the Roper in chiral perturbation theory

Long, Bingwei; van Kolck, U.

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24155

Title:

The role of the Roper in chiral perturbation theory

Author(s):

Institution:

EBAC
European Ctr Theoret Studies Nucl Phys & Related
University of Arizona
Universidade Estadual Paulista (UNESP)

ISSN:

0375-9474

Sponsorship:

US DOE

Sponsorship Process Number:

US DOE: DE-AC05-06OR23177
US DOE: DE-FG02-04ER41338

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 P(11) channel. (C) 2011 Elsevier B.V. All rights reserved.

Issue Date:

1-Nov-2011

Citation:

Nuclear Physics A. Amsterdam: Elsevier B.V., v. 870-71, p. 72-82, 2011.

Time Duration:

72-82

Publisher:

Elsevier B.V.

Keywords:

Chiral perturbation theory
Effective field theory
The Roper resonance

Source:

http://dx.doi.org/10.1016/j.nuclphysa.2011.09.002

URI:

Access Rights:

Acesso restrito

Type:

outro

Source:

http://repositorio.unesp.br/handle/11449/24155

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