2023/07/24 by S. B. Borzakov, Borzakov, S. B.
Physics and Astronomy · #Atomic and Subatomic Physics Research #Atomic physics #Deuterium #Excited state #FOS: Physical sciences #Neutron #Nuclear Experiment (nucl-ex) #Nuclear Physics and Applications #Nuclear Theory (nucl-th) #Nuclear physics #Nuclear physics research studies #Physics #Proton #Quantum mechanics #RADIUS #Radiative transfer #Singlet state
paper · pdf · doi:10.48550/arxiv.2307.12719
published in arXiv (Cornell University) (Cornell University)
openalex publication_date 2023/07/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The existence of the dineutron was predicted over 70 years ago. At present, a number of experimental works confirm this assumption. By virtue of the principle of isotopic invariance, a singlet deuteron must also exist. The possibility of describing the neutron-proton interaction in the state at low energies as the excitation of a quasi-stationary level (singlet deuteron) lying below the deuteron decay threshold is discussed. The position, neutron and radiative widths of the level are determined by the scattering length, the effective radius, and the cross section for the radiative capture of neutrons by protons. Experiments to search for this level are discussed. The discovery of the singlet deuteron would be confirmation of the existence of the dineutron.