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Vibrational autoionization from nf Rydberg states of nitric oxide

Record Type:	Electronic resources : Monograph/item
Title/Author:	Vibrational autoionization from nf Rydberg states of nitric oxide
Author:	Zhao, Runchuan.
Description:	127 p.
Notes:	Adviser: Richard N. Zare.
Notes:	Source: Dissertation Abstracts International, Volume: 65-04, Section: B, page: 1930.
Contained By:	Dissertation Abstracts International65-04B.
Subject:	Physics, Molecular.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3128509
ISBN:	0496757717

Vibrational autoionization from nf Rydberg states of nitric oxide
Zhao, Runchuan.

Vibrational autoionization from nf Rydberg states of nitric oxide [electronic resource] - 127 p.

Adviser: Richard N. Zare.

Thesis (Ph.D.)--Stanford University, 2004.

Energy- and angle-resolved photoelectron spectroscopy (PES) is also used to study the vibrational autoionization from individual nf (nu = 2, R, N) Rydberg levels. The photoelectron spectra are taken and vibrational distribution, rotational distribution, and photoelectron angular distributions are measured. We found (1) the Deltanu = 1 propensity rule is loosely obeyed; (2) Deltanu = 1 and Deltanu = 2 decay paths have dramatically different dynamics; (3) both decay paths involve the angular momentum exchange between the outgoing electron and the molecular-ion core, which can not be explained by multipole interactions or other existing models.

ISBN: 0496757717Subjects--Topical Terms:

227726
Physics, Molecular.

Vibrational autoionization from nf Rydberg states of nitric oxide
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245 1 0 $a Vibrational autoionization from nf Rydberg states of nitric oxide $h [electronic resource]
300 $a 127 p.
500 $a Adviser: Richard N. Zare.
500 $a Source: Dissertation Abstracts International, Volume: 65-04, Section: B, page: 1930.
502 $a Thesis (Ph.D.)--Stanford University, 2004.
520 # $a Energy- and angle-resolved photoelectron spectroscopy (PES) is also used to study the vibrational autoionization from individual nf (nu = 2, R, N) Rydberg levels. The photoelectron spectra are taken and vibrational distribution, rotational distribution, and photoelectron angular distributions are measured. We found (1) the Deltanu = 1 propensity rule is loosely obeyed; (2) Deltanu = 1 and Deltanu = 2 decay paths have dramatically different dynamics; (3) both decay paths involve the angular momentum exchange between the outgoing electron and the molecular-ion core, which can not be explained by multipole interactions or other existing models.
520 # $a The multiphoton ionization spectra of vibrationally excited nf Rydberg states of nitric oxide (NO) molecules are taken by using two-photon double resonance excitation via NO A 2Sigma + states. The optical transition intensities from NO A state to nf Rydberg states were calculated and the results agree very well with the experiment. These results combined with circular dichroism method help us assign the fine structure of nf Rydberg states even in a spectrum of relatively low resolution. Reported in this thesis are the energy levels of these nf (nu, R, N) Rydberg levels converging to NO X 1E+ (nu+ = 1 and 2) with total angular momentum (excluding electronic spin), N from 15 to 28, and principle quantum number, n, from 9 to 18 and ion core rotational quantum number, R, from 14 to 29. Multipole interactions between the Rydberg electron and the ion core is used to explain the fine structure and a corresponding model is used to fit the energy levels to obtain the quadrupole moment and polarizability of the NO+.
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