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Phys. Rev. Lett. 81, 57–60 (1998)

Inadequacies of the Nonrelativistic 3N Hamiltonian in Describing the n+d Total Cross Section

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W. P. Abfalterer1, F. B. Bateman1, F. S. Dietrich2, Ch. Elster3, R. W. Finlay3, W. Glöckle4, J. Golak5, R. C. Haight1, D. Hüber1,4, G. L. Morgan1, and H. Witala4,5
1Los Alamos National Laboratory, Los Alamos, New Mexico 87545
2Lawrence Livermore National Laboratory, Livermore, California 94550
3Institute of Nuclear and Particle Physics, and Department of Physics, Ohio University, Athens, Ohio 45701
4Institute for Theoretical Physics II, Ruhr-University Bochum, D-44780 Bochum, Germany
5Institute of Physics, Jagellonian University, PL-30059 Cracow, Poland

Received 30 December 1997; published in the issue dated 6 July 1998

New high-precision measurements of the neutron total cross section for hydrogen and the deuterium-hydrogen cross section difference were performed for neutron energies between 7 and 600 MeV. The results are compared with state-of-the-art Faddeev calculations of the neutron-deuterium system up to 300 MeV. Above 100 MeV, this comparison reveals significant limitations of the nonrelativistic 3N Hamiltonian using nucleon-nucleon forces only.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.57
DOI:
10.1103/PhysRevLett.81.57
PACS:
25.10.+s, 21.30.-x, 21.45.+v, 25.40.-h