Two-and three- body breakup of $ {^3}$He at low energies

ORAL

Abstract

We report on measurements of the two-body breakup cross section of $^{3}$He for gamma-ray energies between 8 and 16 MeV, and of the analyzing power of the kinematically incomplete three-body breakup at 15 MeV. The monoenergetic gamma-ray beams were produced via Compton backscattering of FEL photons from high-energy electrons at the High-Intensity Gamma-ray Source at Duke University. The $^{3}$He target consisted of a high-pressure gas scintillator. The data are compared to rigorous three-nucleon calculations using realistic nucleon-nucleon and three-nucleon interactions.

*Research partially support by DOE Grant No. DE-FG02-97ER41033, 41041, 41042 and AFOSR Grant No. F49620-00-10370

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Authors

  • W. Tornow

    • Duke U. and TUNL
    • Duke University and TUNL
    • Duke Univ. and TUNL

  • A.P. Tonchev

  • J.H. Esterline

  • C.R. Howell

    • Duke University and TUNL

  • H.J. Karwowski

    • UNC and TUNL

  • J.H. Kelley

    • NC State University and TUNL
    • NCSU and TUNL

  • J. Li

  • S.F. Mikhailov

  • I.V. Pinayev

  • Y.K. Wu

    • Duke University and DFELL

  • H. Witala

    • Jagiellonian Univerity