4.8 Article

Dominance of Tensor Correlations in High-Momentum Nucleon Pairs Studied by (p,pd) Reaction

Journal

PHYSICAL REVIEW LETTERS
Volume 121, Issue 24, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.242501

Keywords

-

Funding

  1. P.R. China government
  2. Beihang University
  3. National Natural Science Foundation of China [11235002, 11375023, 11475014, 11575018]
  4. National Key R&D program of China [2016YFA0400504]
  5. Hirose International Scholarship Foundation
  6. Japanese government [20244030, 23224008]
  7. Polish National Science Centre [2016/22/M/ST2/00173, 2016/21/D/ST2/01120]

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The isospin character of p-n pairs at large relative momentum has been observed for the first time in the O-16 ground state. A strong population of the J, T = 1,0 state and a very weak population of the J,T = 0, 1 state were observed in the neutron pickup domain of O-16(p, pd) at 392 MeV. This strong isospin dependence at large momentum transfer is not reproduced by the distorted-wave impulse approximation calculations with known spectroscopic amplitudes. The results indicate the presence of high-momentum protons and neutrons induced by the tensor interactions in the ground state of O-16.

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