Angular distributions of selectedN2Auger transitions

Auger Electron Angular Distribution of Double Core-Hole States in the Molecular Reference Frame

“…In addition, the angular distributions of Auger electrons carry information regarding the shape of core and valence orbitals. A wealth of angle-resolved measurements already exists for the decay of single core holes (SCHs) in molecules [15][16][17][18][19][20]. We use impulsive molecular alignment to fix the molecular axis in the laboratory frame in order to investigate the influence of the valence orbital structure on Auger relaxation of these novel doubly-excited ssDCH states.…”

Spheroidal analysis of the angular distribution of Auger electrons emitted by homonuclear diatomic molecules

“…In particular, the angular distribution functions for nitrogen K-shell Auger transitions have been calculated. The predictions are tested by experimental work done in this laboratory and described in the preceding paper [8]. It is found that the predicted distributions are in reasonable agreement with the experimental data.…”

“…For the most probable rotational level J=7 at room temperature, the corresponding angle for the II state is found to be approximately 12'. For the dissociative N2 (1 sr, )'5 and N2 +17r")'X + states, referred to in the previous paper [8], the angles corresponding to the J=7 state are approximately 7' and 9', respectively. The rotation of the dissociating ions causes significant changes in the predicted angular distribution given in the preceding section of this paper.…”

“…We find that retaining five terms (t=1, 3,5,7,9) in the ri2 expansion and four terms (l = 2,4,6,8) in the Auger wave expansion are sufficient in this work. Including a sixth term (t= 11) does not cause any noticeable change in z& for the first three partial waves (l=2,4,6).…”

“…The work is summarized in Sec. [8].The transition of interest in this paper is one of those that contributes to the largest peak in the Nz Auger spectrum at 362.5 eV.…”