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Numrering	Referens	Omslagsbild	Hitta
1.	Alagia, M, et al. (författare) Angular effects in autoionization of 3 P doubly excited states in He 2009 Ingår i: Journal of Physics: Conference Series. ; 194 Tidskriftsartikel (refereegranskat)abstract The first members of dipole allowed 3 P o doubly excited series in helium have been observed in resonant photoexcitation of 1 s 2 s 3 S e metastable atoms. A good agreement measured relative photoionization cross sections is achieved when theory includes the radiation damping and, also important, the effects of spin-orbit multiplet splitting on electron angular distribution.
2.	Alagia, M., et al. (författare) Excitation of 1S and 3S Metastable Helium Atoms to Doubly Excited States 2009 Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 102:15, s. 153001- Tidskriftsartikel (refereegranskat)abstract We present spectra of triplet and singlet metastable helium atoms resonantly photoexcited to doubly excited states. The first members of three dipole-allowed 1,3Po series have been observed and their relative photoionization cross sections determined, both in the triplet (from 1s2s 3Se) and singlet (from 1s2s 1Se) manifolds. The intensity ratios are drastically different with respect to transitions from the ground state. When radiation damping is included the results for the singlets are in agreement with theory, while for triplets spin-orbit interaction must also be taken into account.

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Författare/redaktör: Richter, R. (2); Stranges, S (2); Alagia, M (2); Coreno, M (2); Farrokhpour, H (2); Franceschi, P (2); visa fler...; Moise, A (2); Omidyan, R (2); Prince, K C (2); Söderström, Johan, 1 ... (2); Tabrizchi, M (2); MiheliÄ, A (1); Åœitnik, M (1); Mihelič, A. (1); Žitnik, M. (1); visa färre...

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