Phys.Rev. C 101, 034604 (2020)

S.Upadhyayula, G.V.Rogachev, J.Bishop, V.Z.Goldberg, J.Hooker, C.Hunt, H.Jayatissa, E.Koshchiy, E.Uberseder, A.Volya, B.T.Roeder, A.Saastamoinen

Search for the high-spin members of the α:2n:α band in ¹⁰Be

NUCLEAR REACTIONS ⁴He(⁶He, ⁶He), (⁶He, ⁶He'), E(cm)=4-9 MeV [secondary ⁶He beam from ²H(⁷Li, ⁶He), E=60 MeV]; measured reaction products, Eα, Iα, σ(E, θ), using silicon detector for α detection and the MARS spectrometer for secondary beam identification at the cyclotron facility of Texas A and M University. ¹⁰Be; deduced resonance parameters and upper limit of Γ(α)/Γ(α') for an yrast 6⁺ state at 13.5 MeV as the next member of the molecular α:2n:α rotational band in ¹⁰Be; no evidence found for a strong resonance at 13.5 MeV in the elastic and inelastic channels. GEANT4 Monte Carlo simulations. Comparison with theoretical predictions, and with previous experimental studies.

doi: 10.1103/PhysRevC.101.034604