Experimental investigation of the muon transfer reaction from deuterium to helium isotopes

Authors :: Gartner, B.
Ackerbauer, P.
Breunlich, W.
Cargnelli, M.
Fischer, A.
Kammel, P.
King, R.
Kminek, G.
Lauss, B.
Marton, J.
Prymas, W.
Steininger, E.
Zmeskal, J.
Petitjean, C.
Chatellard, D.
Egger, J.
Jeannet, E.
Hartmann, F.
Kosak, A.
Mühlbauer, M.
von Egidy, T.
Piller, C.
Schaller, L.
Schellenberg, L.
Schneuwly, H.
Thalmann, Y.
Tresch, S.
Werthmüller, A.
Source :: Hyperfine Interactions; December 1996, Vol. 101 Issue: 1 p249-255, 7p
Publication Year :: 1996
Abstract: Abstract: Muon transfer from the ground state of muonic deuterium to a helium atom proceeds mainly via the formation of a muonic molecule in an excited state. A large number of decay X rays (sim 6.8 keV) from these (dµHe)<superscript>*</superscript> molecules were observed for the<superscript>4</superscript>He as well as for the<superscript>3</superscript>He case. The time distributions of these X rays allow the determination of the ground state transfer rate. The simultaneous employment of Ge/Si-detectors and CCDs for the same target conditions allows the determination of the branching ratio of radiative to nonradiative decay for the first time.

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