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Title: Few-nucleon forces from chiral Lagrangians

Abstract

Few-nucleon forces are considered from the point of view of effective chiral Lagrangians. It is argued that such forces naturally arise at the same order in chiral perturbation theory as some important features of the two-nucleon force. In particular, the leading few-nucleon forces cancel against the leading recoil correction in the iteration of the two-body potential. The remaining three-body potential is presented in momentum and coordinate spaces. It is dominated by contributions of the delta isobar of (i) two-pion range, which are not new, and (ii) shorter range, which involve an undetermined parameter.

Authors:
 [1]
  1. (Department of Physics, FM-15, University of Washington, Seattle, Washington 98195 (United States))
Publication Date:
OSTI Identifier:
7050430
Alternate Identifier(s):
OSTI ID: 7050430
Resource Type:
Journal Article
Journal Name:
Physical Review, C (Nuclear Physics); (United States)
Additional Journal Information:
Journal Volume: 49:6; Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; LAGRANGIAN FIELD THEORY; NUCLEAR FORCES; THREE-BODY PROBLEM; BINDING ENERGY; CHIRAL SYMMETRY; NUCLEON-NUCLEON POTENTIAL; PIONS; QUANTUM CHROMODYNAMICS; BOSONS; ELEMENTARY PARTICLES; ENERGY; FIELD THEORIES; HADRONS; MANY-BODY PROBLEM; MESONS; POTENTIALS; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; SYMMETRY 663110* -- General & Average Properties of Nuclei & Nuclear Energy Levels-- (1992-); 662240 -- Models for Strong Interactions-- (1992-)

Citation Formats

van Kolck, U. Few-nucleon forces from chiral Lagrangians. United States: N. p., 1994. Web. doi:10.1103/PhysRevC.49.2932.
van Kolck, U. Few-nucleon forces from chiral Lagrangians. United States. doi:10.1103/PhysRevC.49.2932.
van Kolck, U. Wed . "Few-nucleon forces from chiral Lagrangians". United States. doi:10.1103/PhysRevC.49.2932.
@article{osti_7050430,
title = {Few-nucleon forces from chiral Lagrangians},
author = {van Kolck, U.},
abstractNote = {Few-nucleon forces are considered from the point of view of effective chiral Lagrangians. It is argued that such forces naturally arise at the same order in chiral perturbation theory as some important features of the two-nucleon force. In particular, the leading few-nucleon forces cancel against the leading recoil correction in the iteration of the two-body potential. The remaining three-body potential is presented in momentum and coordinate spaces. It is dominated by contributions of the delta isobar of (i) two-pion range, which are not new, and (ii) shorter range, which involve an undetermined parameter.},
doi = {10.1103/PhysRevC.49.2932},
journal = {Physical Review, C (Nuclear Physics); (United States)},
issn = {0556-2813},
number = ,
volume = 49:6,
place = {United States},
year = {1994},
month = {6}
}