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The dipole strength distribution of He and decay characteristics
C. Lehr, T. Aumann, M. Duer +91
The weak binding and spatially extended neutron densities characteristic of drip-line nuclei give rise to a distinctive low-energy dipole response. The drip-line nucleus He is…
Direct observation of three-neutron emission from He and the search for the trineutron
S. W. Huang, C. Lenain, Z. H. Yang +107
Three-neutron emission from He has been directly measured for the first time, following neutron knockout from a He beam at 156 MeV/nucleon. A resonance-like structure at $2…
Photoneutron reactions on gold in the giant dipole resonance region: reaction cross sections and average kinetic energies of photoneutrons
I. Gheorghe, T. Ari-izumi, S. Goriely +12
In this work, we present new data on the Au photoneutron reactions in and above the giant dipole resonance region, obtained by using 8 to 39~MeV quasi-monochromatic -ray…
Study of multi-neutron systems with SAMURAI spectrometer
Z. H. Yang, F. M. Marqués, N. L. Achouri +95
The tetraneutron has been drawing the attention of the nuclear physics community for decades, but a firm conclusion on its existence and properties is still far from being reached…
Experimental -decay strength in Ni compared with microscopic calculations
T. Renstrøm, G. M. Tveten, J. E. Midtbø +20
Nuclear level densities and -ray strength functions have been extracted for , using the Oslo method on data sets from the Ni(He,He$^{\prime}…
Photoneutron cross sections for Ni isotopes: Toward understanding cross sections relevant to the weak s-process nucleosynthesis
H. Utsunomiya, T. Renstrøm, G. M. Tveten +19
Photoneutron cross sections were measured for Ni, Ni, Ni, and Ni at energies between the one-neutron and two-neutron thresholds using quasi-monochromati…