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Start Over Author "Rubenstein, Brenda" Journal physical review letters
3 results on '"Rubenstein, Brenda"'

3. Observation of a π-Type Dipole-Bound State in Molecular Anions.

Author

Dao-Fu Yuan, Yuan Liu, Chen-Hui Qian, Yue-Rou Zhang, Rubenstein, Brenda M., and Lai-Sheng Wang

Subjects
*ANGULAR distribution (Nuclear physics), *MOLECULAR rotation, *ANIONS, *PHOTOELECTRONS
Abstract

We report the observation of a π-type dipole-bound state (π-DBS) in cryogenically cooled deprotonated 9-anthrol molecular anions (9AT-) by resonant two-photon photoelectron imaging. A DBS is observed 191 cm-1 (0.0237 eV) below the detachment threshold, and the existence of the π-DBS is revealed by a distinct (s+d)-wave photoelectron angular distribution. The π-DBS is stabilized by the large anisotropic in-plane polarizability of 9AT. The population of the dipole-forbidden π-DBS is proposed to be via a nonadiabatic coupling with the dipole-allowed σ-type DBS mediated by molecular rotations. [ABSTRACT FROM AUTHOR]

Published
2020
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