Phys.Rev.Lett. 136, 222501 (2026)

J.Chen, B.P.Kay, D.K.Sharp, L.P.Gaffney, S.J.Freeman, S.M.Wang, J.G.Li, P.T.MacGregor, C.R.Hoffman, Y.Ayyad, P.A.Butler, S.Carollo, A.Ceulemans, D.J.Clarke, A.J.Dolan, C.Everett, Z.Favier, K.Garrett, J.Geng, H.Jayatissa, M.Labiche, I.Lazarus, W.P.Liu, Y.F.Niu, B.Olaizola, J.Ojala, C.A.A.Page, R.D.Page, O.Poleshchuk, R.Raabe, M.R.Xie, C.X.Yuan, Z.Yue, Y.N.Zhang, for the ISOLDE Collaboration

N=8 Shell Breaking in ¹²Be from a Single-Particle Perspective

NUCLEAR REACTIONS ²H(¹¹Be, p), E=9.78 MeV/nucleon; measured reaction products, Ep, Ip; deduced excitation ¹²Be energy spectrum, J, π, σ(θ), resonance parameters, spectroscopic factors, the possible halolike nature of the 0⁺₂ isomer. Comparison with the results of shell-model calculations using the YSOX interaction. The HIE-ISOLDE Linac beam facility at CERN utilizing the ISOLDE Solenoidal Spectrometer (ISS).

doi: 10.1103/3vts-dwst