Abstract In this paper, by using resonance enhanced (2+1) multiphoton ionization (REMPI) of AsH3 and detecting the daughter molecular ions AsH+ and As+, a long progression discrete structure was obtained from 267 to 291 nm, which obeys the formula $\nu$0(cm-1)=68875.3+504.1v′2+5.26v′22. Analysis of the spectrum has revealed that it belongs to 4d Rydberg state transition. Our assignment yields the 4d Rydberg state parameters Te′=67881.1 cm-1, $\omega$e′=495.1 cm-1 and $\delta$=0.962. Finally the 4d Rydberg state structure of AsH3 was discussed.
Received: 22 December 1997
Revised: 06 April 1998
Accepted manuscript online:
PACS:
33.80.Rv
(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))
Fund: Project supported by the National Natural Science Foundation of China under Grunt No.29B43001 and Young Foundation of University of Science and Technology of China.
Cite this article:
Ran Qin (冉琴), Pei Lin-sen (裴林森), Wang Fei (王非), Chen Yang (陈埜), Chen Cong-xiang (陈从香), Yu Shu-qin (俞书勤), Ma Xing-xiao (马兴孝) TWO PHOTONS EXCITED 4d RYDBERG STATE OF AsH3 1998 Acta Physica Sinica (Overseas Edition) 7 567
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