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Related Experiment Videos

Nucleon-nucleon scattering from fully dynamical lattice QCD.

S R Beane1, P F Bedaque, K Orginos

  • 1Department of Physics, University of New Hampshire, Durham, New Hampshire 03824-3568, USA.

Physical Review Letters
|August 16, 2006
PubMed
Summary
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This study provides the first fully dynamical lattice quantum chromodynamics (QCD) calculations for nucleon-nucleon scattering lengths. These results offer crucial insights into the strong nuclear force interactions.

Area of Science:

  • Nuclear Physics
  • Quantum Chromodynamics
  • Lattice Gauge Theory

Background:

  • Understanding nucleon-nucleon interactions is fundamental in nuclear physics.
  • Previous lattice QCD calculations were limited in their dynamical treatment.

Purpose of the Study:

  • To perform the first fully dynamical lattice QCD determination of nucleon-nucleon scattering lengths.
  • To investigate scattering in the 1S0 and 3S1 - 3D1 coupled channels.

Main Methods:

  • Utilized domain-wall valence quarks.
  • Employed MILC staggered configurations.
  • Performed calculations at a lattice spacing of 0.125 fm in the isospin-symmetric limit.

Main Results:

  • Presented the first fully dynamical lattice QCD results for nucleon-nucleon scattering lengths.

Related Experiment Videos

  • Calculated scattering in the 1S0 channel.
  • Determined scattering in the 3S1 - 3D1 coupled channels.

    • Conclusions:

    • The study successfully demonstrated a fully dynamical lattice QCD approach for nucleon-nucleon scattering.
    • The obtained scattering lengths provide valuable data for nuclear structure and theory.