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arXiv · 2003.14396

Neutron-neutron quasifree scattering in neutron-deuteron breakup at 10 MeV

R. C. Malone·A. S. Crowell·L. C. Cumberbatch·B. A. Fallin·F. Q. L. Friesen·C. R. Howell·C. R. Malone·D. R. Ticehurst·W. Tornow·D. M. Markoff·B. J. Crowe·H. Witała
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Abstract

New measurements of the neutron-neutron quasifree scattering cross section in neutron-deuteron breakup at an incident neutron energy of 10.0 MeV are reported. The experiment setup was optimized to evaluate the technique for determining the integrated beam-target luminosity in neutron-neutron coincidence cross-section measurements in neutron-deuteron breakup. The measurements were carried out with a systematic uncertainty of $\pm 5.6 \%$. Our data are in agreement with theoretical calculations performed using the CD-Bonn nucleon-nucleon potential in the Faddeev formalism. The measured integrated cross section over the quasifree peak is $20.5 \pm 0.5 \text{(stat)} \pm 1.1 \text{(sys)}$ mb/sr$^2$ in comparison with the theory prediction of 20.1 mb/sr$^{2}$. These results validate our technique for determining the beam-target luminosity in neutron-deuteron breakup measurements.

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R. C. Malone, A. S. Crowell, L. C. Cumberbatch, B. A. Fallin, F. Q. L. Friesen, C. R. Howell, C. R. Malone, D. R. Ticehurst, W. Tornow, D. M. Markoff, B. J. Crowe, H. Witała. 2020-03-31. Neutron-neutron quasifree scattering in neutron-deuteron breakup at 10 MeV. https://doi.org/10.1103/physrevc.101.034002

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