Populations and lifetimes in the v=n-ℓ-1=2 and 3 metastable cascades of p̄He+ measured by pulsed and continuous antiproton beams

M. Hori, J. Eades, E. Widmann, T. Yamazaki, R. S. Hayano, T. Ishikawa, H. A. Torii, T. Von Egidy, F. J. Hartmann, B. Ketzer, C. Maierl, R. Pohl, M. Kumakura, N. Morita, D. Horváth, I. Sugai

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

34 Zitate (Scopus)

Abstract

Using the laser spectroscopy, the time evolution of the state population in the v≡n-l=2 and 3 metastable cascades of antiprotonic helium atoms were studied. The effects of the collision between antiprotonic helium and the ordinary helium atoms on the atomic cascade were also analyzed. The measurements were done using the pulsed and continuous types of antiproton beams supplied by the Low Energy Antiproton Ring. The studies revealed five phases in the life history of the metastable antiprotonic helium.

OriginalspracheEnglisch
Aufsatznummer012504
Seiten (von - bis)012504-1-012504-16
FachzeitschriftPhysical Review A
Jahrgang70
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - Juli 2004

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