Positive ion desorption from frozen N-heterocycles stimulated by high-energy electron impact

29th International Conference on Photonic, Electronic, and Atomic Collisions

Ribeiro, Fabio^1 ; Martins, Jessica^1 ; Wolff, Wania^2 ; Boechat-Roberty, Heloisa^3 ; Rocco, Maria Luiza^1

Instituto de Química, Universidade Federal Do Rio de Janeiro, Rio de Janeiro RJ

21941-909, Brazil^1

Instituto de Física, Universidade Federal Do Rio de Janeiro, Rio de Janeiro RJ

21941-909, Brazil^2

Observatório Do Valongo, Universidade Federal Do Rio de Janeiro, Rio de Janeiro RJ

20.080-090, Brazil^3

关键词: Astrophysical objects;    Chemical evolution;    High-energy electron;    Ion desorption;    N-heterocycles;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/6/062003/pdf
DOI  :  10.1088/1742-6596/635/6/062003

来源: IOP

【 摘 要 】

Ion desorption measurements induced by the impact of electrons onto pyridine and pyrimidine ices will be presented. The data reported here is of relevance for chemical evolution models of astrophysical objects.