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We examine a description of available cross section data for symmetric space star (SST) configurations in the neutron-deuteron $(nd)$ and proton-deuteron $(pd)$ breakup reaction using numerically exact solutions of the… Click to show full abstract
We examine a description of available cross section data for symmetric space star (SST) configurations in the neutron-deuteron $(nd)$ and proton-deuteron $(pd)$ breakup reaction using numerically exact solutions of the three-nucleon $(3N)$ Faddeev equation based on two- and three-nucleon (semi)phenomenological and chiral forces. The predicted SST cross sections are very stable with respect to the underlying dynamics for incoming nucleon laboratory energies below $\ensuremath{\approx}25$ MeV. We discuss possible origins of the surprising discrepancies between theory and data found in low-energy $nd$ and $pd$ SST breakup measurements.
Journal Title: Physical Review C
Year Published: 2021
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