Phys.Rev.Lett. 131, 172501 (2023)

R.J.Charity, J.Wylie, S.M.Wang, T.B.Webb, K.W.Brown, G.Cerizza, Z.Chajecki, J.M.Elson, J.Estee, D.E.M.Hoff, S.A.Kuvin, W.G.Lynch, J.Manfredi, N.Michel, D.G.McNeel, P.Morfouace, W.Nazarewicz, C.D.Pruitt, C.Santamaria, S.Sweany, J.Smith, L.G.Sobotka, M.B.Tsang, A.H.Wuosmaa

Strong Evidence for ⁹N and the Limits of Existence of Atomic Nuclei

RADIOACTIVITY ⁹N(p), ⁸C, ⁶Be(2p) [from ⁹Be(¹³O, X)⁹N, E=69.5 MeV/nucleon]; measured decay products, Ep, Ip. ⁹N, ⁸C; deduced invariant-mass spectra, level diagrams, possible single resonancelike peak in the spectrum. R-matrix fits, comparison with the theoretical predictions of an open-quantum-system approach. The National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1103/PhysRevLett.131.172501