Phys.Rev.Lett. 88, 012501 (2002)

P.A.Voytas, C.Ternovan, M.Galeazzi, D.McCammon, J.J.Kolata, P.Santi, D.Peterson, V.Guimaraes, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, S.Shaheen

Direct Measurement of the L/K Ratio in ⁷Be Electron Capture

RADIOACTIVITY ⁷Be(EC) [from ³He(⁶Li, ⁷Be)]; measured X-ray spectra; deduced L/K capture ratio, possible in-medium effects. Cryogenic microcalorimeter.

doi: 10.1103/PhysRevLett.88.012501