The role of the Roper in chiral perturbation theory

Bingwei Long; U. van Kolck

doi:10.1016/j.nuclphysa.2011.09.002

The role of the Roper in chiral perturbation theory

Bingwei Long, U. van Kolck

Physics

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

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 language	English (US)
Pages (from-to)	72-82
Number of pages	11
Journal	Nuclear Physics A
Volume	870-871
Issue number	1
DOIs	https://doi.org/10.1016/j.nuclphysa.2011.09.002
State	Published - Nov 2011

Keywords

Chiral perturbation theory
Effective field theory
The Roper resonance

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.nuclphysa.2011.09.002

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title = "The role of the Roper in chiral perturbation theory",

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.",

keywords = "Chiral perturbation theory, Effective field theory, The Roper resonance",

author = "Bingwei Long and {van Kolck}, U.",

note = "Funding Information: Washington (BwL, UvK), and the University of Arizona (BwL). This work was supported by the US DOE under contracts DE-AC05-06OR23177 (BwL) and DE-FG02-04ER41338 (UvK). This work is coauthored by Jefferson Science Associates, LLC under US DOE Contract No. DE-AC05-06OR23177.",

year = "2011",

month = nov,

doi = "10.1016/j.nuclphysa.2011.09.002",

language = "English (US)",

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pages = "72--82",

journal = "Nuclear Physics A",

issn = "0375-9474",

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T1 - The role of the Roper in chiral perturbation theory

AU - Long, Bingwei

AU - van Kolck, U.

N1 - Funding Information: Washington (BwL, UvK), and the University of Arizona (BwL). This work was supported by the US DOE under contracts DE-AC05-06OR23177 (BwL) and DE-FG02-04ER41338 (UvK). This work is coauthored by Jefferson Science Associates, LLC under US DOE Contract No. DE-AC05-06OR23177.

PY - 2011/11

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N2 - 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.

AB - 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.

KW - Chiral perturbation theory

KW - Effective field theory

KW - The Roper resonance

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SP - 72

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JO - Nuclear Physics A

JF - Nuclear Physics A

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ER -

The role of the Roper in chiral perturbation theory

Abstract

Keywords

ASJC Scopus subject areas

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