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Accurate nucleon-nucleon potential with charge-independence breaking

R. B. Wiringa, V. G. J. Stoks, and R. Schiavilla
Phys. Rev. C 51, 38 – Published 1 January 1995
An article within the collection: Physical Review C 50th Anniversary Milestones
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Abstract

We present a new high-quality nucleon-nucleon potential with explicit charge dependence and charge asymmetry, which we designate Argonne v18. The model has a charge-independent part with 14 operator components that is an updated version of the Argonne v14 potential. Three additional charge-dependent and one charge-asymmetric operators are added, along with a complete electromagnetic interaction. The potential has been fit directly to the Nijmegen pp and np scattering database, low-energy nn scattering parameters, and deuteron binding energy. With 40 adjustable parameters it gives a χ2 per datum of 1.09 for 4301 pp and np data in the range 0–350 MeV.

  • Received 15 August 1994

DOI:https://doi.org/10.1103/PhysRevC.51.38

©1995 American Physical Society

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This article appears in the following collection:

Physical Review C 50th Anniversary Milestones

This collection of milestone papers from PRC highlights research that remains central to current developments in nuclear physics.

Authors & Affiliations

R. B. Wiringa

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

V. G. J. Stoks

  • School of Physical Sciences, The Flinders University of South Australia, Bedford Park, South Australia 5042, Australia

R. Schiavilla

  • CEBAF Theory Group, Newport News, Virginia 23606
  • Department of Physics, Old Dominion University, Norfolk, Virginia 23529

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Issue

Vol. 51, Iss. 1 — January 1995

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