Phys.Rev.Lett. 108, 162502 (2012)

T.Roger, J.Buscher, B.Bastin, O.S.Kirsebom, R.Raabe, M.Alcorta, J.Aysto, M.J.G.Borge, M.Carmona-Gallardo, T.E.Cocolios, J.Cruz, P.Dendooven, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, L.R.Gasques, G.S.Giri, M.Huyse, S.Hyldegaard, K.Jungmann, W.L.Kruithof, M.Lantz, A.Perea, K.Riisager, A.Saastamoinen, B.Santra, P.D.Shidling, M.Sohani, A.J.Sorensen, O.Tengblad, E.Traykov, D.J.van der Hoek, P.Van Duppen, O.O.Versolato, H.W.Wilschut

Precise Determination of the Unperturbed ⁸B Neutrino Spectrum

RADIOACTIVITY ⁸B(β⁺), ⁸Be(α) [from ¹²C(¹²C, X)⁸B, E=55 MeV/nucleon]; measured decay products, Eα, Iα, Eβ, Iβ; deduced final state distribution in ⁸Be, J, π, neutrino spectrum. Comparison with available data, R-matrix fits.

doi: 10.1103/PhysRevLett.108.162502