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Experimental study of µ-atomic and µ-molecular processes in pure helium and deuterium-helium mixtures

Bystritsky, V. M. ; Boreiko, V. F. ; Czapliński, W. ; Filipowicz, M. ; Gerasimov, V. V. ; Huot, Olivier ; Knowles, P. E. ; Mulhauser, Françoise ; Pavlov, V. N. ; Popov, N. P. ; Schaller, Lukas A. ; Schneuwly, Hubert ; Sandukovsky, V. G. ; Stolupin, V. A. ; Volnykh, V. P. ; Woźniak, J.

In: Physical Review A, 2005, vol. 71, p. 032723

We present experimental results of µ-atomic and µ-molecular processes induced by negative muons in pure helium and helium-deuterium mixtures. The experiment was performed at the Paul Scherrer Institute (Switzerland). We measured relative intensities of muonic x-ray K series transitions in (µ3,4He)* atoms in pure helium as well as in...