Phys.Rev. C 97, 035503 (2018)

A.A.Valverde, M.Brodeur, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, G.Brown, D.P.Burdette, B.Frentz, G.Gilardy, M.R.Hall, S.King, J.J.Kolata, J.Long, K.T.Macon, A.Nelson, P.D.O'Malley, M.Skulski, S.Y.Strauss, B.Vande Kolk

Precision half-life measurement of ¹¹C: The most precise mirror transition Ft value

RADIOACTIVITY ¹¹C(β⁺), (EC)[from ²H(¹⁰B, n), E=32.5 MeV at the Nuclear Science Laboratory of University of Notre Dame, followed by mass separation of ¹¹C ions by TwinSol mass separator and implanted in a thick tantalum foil in NSL β-counting station]; measured Eβ, Iβ, half-life of ¹¹C decay; deduced Ft^mirror, Gamow-Teller-to-Fermi mixing ratio ρ, β asymmetry parameter A_b, β-neutrino angular correlation parameter a_βν, neutrino asymmetry parameter B_n. Comparison with literature values.

NUCLEAR REACTIONS ²H(¹⁰B, n)⁴He/⁹Be/¹⁰B/¹¹C, E=32.5 MeV; measured yields for ions using TwinSol mass separator at University of Notre Dame.

doi: 10.1103/PhysRevC.97.035503