Experimental observation of the vibrational wavefunction of <sup>4</sup>He<sub>2</sub>, <sup>4</sup>He<sub>3</sub> and <sup>4</sup>He<sub>2</sub><sup>3</sup>He using strong laser-fields
- Voigtsberger, J.
- Becht, J.
- Neumann, N.
- Sturm, F.
- Kunitski, M.
- Kalinin, A.
- Wu, J.
- Zeller, S.
- Schöffler, M.
- Schöllkopf, W.
- Bressanini, D.
- Czasch, A.
- Schmidt, L.
- Grisenti, R.
- Jahnke, T.
- Dörner, R.
Publication date
January 2014
DOI Publisher
IOP Publishing Language
EnglishAbstract
Helium gas is being expanded through a pre-cooled 5 μm nozzle in a supersonic gas jet at low temperatures. Containing small clusters this gas jet passes a transmission diffraction grating, separating clusters of different masses. This mass selected cluster beam is ionized using a Ti:Sa Laser. The Coulomb exploding ionic fragments are measured with the COLTRIMS technique, giving direct access to the square of the vibrational wavefunction of 4He2, 4He3 and 4He23He
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