Dramatic nondipole effects in low-energy photoionization: Experimental and theoretical study of Xe 5s
- Hemmers, Oliver
- Guillemin, R.
- Kanter, E.P.
- Krässig, B .
- Lindle, D.W.
- Southworth, S.H.
- Wehlitz, Ralf
- Baker, J.
- Hudson, A.
- Lotrakul, M.
- Rolles, Daniel
- Stolte, W.C.
- Tran, I.C.
- Wolska, A.
- Yu, S.W.
- Amusia, M.Y.
- Cheng, K.T.
- Chernycheva, L.V.
- Johnson, W.R.
- Manson, S.T.
DOIAbstract
The Xe 5s nondipole photoelectron parameter gamma is obtained experimentally and theoretically from threshold to similar to200 eV photon energy. Significant nondipole effects are seen even in the threshold region of this valence shell photoionization. In addition, contrary to previous understanding, clear evidence of interchannel coupling among quadrupole photoionization channels is found
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