Rotational effects in low energy dissociative recombination of diatomic ions

1998 ◽  
Vol 1 (1) ◽  
pp. 71-78 ◽  
Author(s):  
B. Vâlcu ◽  
I.F. Schneider ◽  
M. Raoult ◽  
C. Strömholm ◽  
M. Larsson ◽  
...  
Keyword(s):  
Dissociative Recombination ◽  
Low Energy

scholarly journals Low-energy electron impact dissociative recombination and vibrational transitions of N2+

2021 ◽  
Vol 129 (5) ◽  
pp. 053303
Author(s):  
A. Abdoulanziz ◽  
C. Argentin ◽  
V. Laporta ◽  
K. Chakrabarti ◽  
A. Bultel ◽  
...  
Keyword(s):  
Electron Impact ◽  
Dissociative Recombination ◽  
Low Energy ◽  
Energy Electron ◽  
Low Energy Electron ◽  
Vibrational Transitions

Dissociative recombination of the CH+molecular ion at low energy

2018 ◽  
Vol 51 (10) ◽  
pp. 104002 ◽  
Author(s):  
K Chakrabarti ◽  
J Zs Mezei ◽  
O Motapon ◽  
A Faure ◽  
O Dulieu ◽  
...  
Keyword(s):  
Dissociative Recombination ◽  
Low Energy ◽  
Molecular Ion

Anisotropy and Molecular Rotation in Resonant Low-Energy Dissociative Recombination

2008 ◽  
Vol 100 (19) ◽  
Author(s):  
S. Novotny ◽  
H. Rubinstein ◽  
H. Buhr ◽  
O. Novotný ◽  
J. Hoffmann ◽  
...  
Keyword(s):  
Dissociative Recombination ◽  
Molecular Rotation ◽  
Low Energy

Effects of molecular rotation in low-energy electron collisions of

2006 ◽  
Vol 364 (1848) ◽  
pp. 2981-2997 ◽  
Author(s):  
Andreas Wolf ◽  
H Kreckel ◽  
L Lammich ◽  
D Strasser ◽  
J Mikosch ◽  
...  
Keyword(s):  
Storage Ring ◽  
Recombination Rate ◽  
Rate Coefficient ◽  
Dissociative Recombination ◽  
Spin Symmetry ◽  
Low Energy ◽  
Magnetic Storage ◽  
Electron Collisions ◽  
Theoretical Predictions ◽  
Recombination Rate Coefficient

Measurements on the energetic structure of the dissociative recombination rate coefficient in the millielectronvolt range are described for ions produced in the lowest rotational levels by collisional cooling and stored as a fast beam in the magnetic storage ring TSR (Test Storage Ring). The observed resonant structure is consistent with that found previously at the storage ring facility CRYRING in Stockholm, Sweden; theoretical predictions yield good agreement on the overall size of the rate coefficient, but do not reproduce the detailed structure. First studies on the nuclear spin symmetry influencing the lowest level populations show a small effect different from the theoretical predictions. Heating processes in the residual gas and by collisions with energetic electrons, as well as cooling owing to interaction with cold electrons, were observed in long-time storage experiments, using the low-energy dissociative recombination rate coefficient as a probe, and their consistency with the recent cold measurements is discussed.

Theoretical progress and challenges in dissociative recombination

2006 ◽  
Vol 364 (1848) ◽  
pp. 2965-2980 ◽  
Author(s):  
Chris H Greene ◽  
V Kokoouline
Keyword(s):  
Storage Ring ◽  
Reasonable Agreement ◽  
Dissociative Recombination ◽  
Low Energy ◽  
Recombination Rates ◽  
Interstellar Clouds ◽  
Theoretical Progress ◽  
Jahn Teller ◽  
Theory And Experiment

We discuss the Jahn–Teller mechanism for dissociative recombination in low energy collisions between electrons and ions, in energy ranges relevant to the processes underway in interstellar clouds. While theory has become capable of predicting recombination rates in reasonable agreement with storage ring experiments, some discrepancies remain with them, and a long-standing discrepancy with stationary afterglow measurements remains troubling. Speculations about the desirable improvements in both theory and experiment are presented.

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