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3 edition of Photoelectron angular distributions and angular correlation theory found in the catalog.

Photoelectron angular distributions and angular correlation theory

Dan Myron Dill

Photoelectron angular distributions and angular correlation theory

by Dan Myron Dill

  • 44 Want to read
  • 27 Currently reading

Published .
Written in English


Edition Notes

Statementby Dan Myron Dill.
Classifications
LC ClassificationsMicrofilm 40951 (Q)
The Physical Object
FormatMicroform
Paginationvi, 102 leaves.
Number of Pages102
ID Numbers
Open LibraryOL1827500M
LC Control Number89894585

An overview of the theory of photoelectron angular distributions for atoms is presented. Its features, which are embodied in a single asymmetry parameter. B. in the electric dipole approximation, are examined within the framework of the angular momentum transfer formulation. The. 0. parameter is in principle always energy dependent. Atomic carbon in both the 3P ground state and the 1D first excited state is prepared by UV multiphoton dissociation of carbon tetrachloride. Photoelectron angular distributions were obtained following two photon resonant, three photon ionization via the 3p 1S0 ← 1D2 transition using linear polarized light and via the 3p 3D2 ← 3P0 transition using both linear and circular polarized by:

When rotational structure in the photoelectron spectrum is unresolved the angular distribution is independent of the choice of Hund's case. The theory suggests how, in favourable cases, measurements of angular distributions might yield information regarding (1) the molecular orbital from which the photoelectron is ejected and (2) the radial Author: A. D. Buckingham, B. J. Orr, J. M. Sichel. (). Time-resolved photoelectron angular distributions and cross-section ratios of two-colour two-photon above threshold ionization of helium. Molecular Physics: Vol. , A Special Issue on Spectroscopy and Dynamics in Honour of Richard N. Zare, pp. Cited by: 5.

This article provides an overview of some recent advances in the modeling of photoelectron angular distributions in negative-ion photodetachment. Building on the past developments in threshold photodetachment spectroscopy that first tackled the scaling of the partial cross sections with energy, depending on the angular momentum quantum number ℓ, it examines the corresponding formulation of Cited by: ANGULAR DISTRIBUTIONS OF PHOTOELECTRONS AND PHYSICAL REVIEW A 82, () FIG. 4. (Color online) Photoelectron angular distribution with respect to the polarization axis at a photon energy of eV for two different regions of KER. (A subset of the data shown in Fig. 3. Data points between 0 and 90 are mirrored into the other three.


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Photoelectron angular distributions and angular correlation theory by Dan Myron Dill Download PDF EPUB FB2

It explains both the angular dependence of the photoionization time delays and the delay dependence of the photoelectron angular distributions.

Our theory is verified by experimental results in Ar. An overview of the theory of photoelectron angular distributions for atoms is presented. Its features, which are embodied in a single asymmetry. in the electric dipole approximation, are examined within the framework of the angular momentum transfer formulation.

parameter is in principle always energy dependent. Angular correlation between photoelectrons and Auger electrons within scattering theory F. Da Pieve, 1 S. Di Matteo, 2 D.

Sébilleau, 3 R. Gunnella, 4 G. Stefani, 1 and C. Natoli 2. Strong correlation effects in atomic photoelectron angular distributions far above thresholds V alery K. Dolmatov, 1, * Arkadiy S. Baltenkov, 2 and Steven T. Manson 1. Photoelectron angular distributions for the two-photon sequential double ionization of xenon by ultrashort extreme ultraviolet free electron laser pulses View the table of contents for this issue.

Dill D. () A Primer on Photoelectron Angular Distributions. In: Wuilleumier F.J. (eds) Photoionization and Other Probes of Many - Electron Interactions. NATO Advanced Study Institutes Series (Series B: Cited by: 6. The single-photon, photoelectron-photoion coincidence spectrum of N 2 has been recorded at high (∼ cm −1) resolution in the region between the N 2 + X Σ g 2 +, v + = 0 and 1 ionization thresholds by using a double-imaging spectrometer and intense vacuum-ultraviolet light from the Synchrotron SOLEIL.

This approach provides the relative photoionization cross section, the photoelectron Cited by: 2. Photoelectron angular distributions and correlations in sequential double and triple atomic ionization by free electron lasers Alexei N. Grum-Grzhimailo a, b ∗, Elena V.

Photoelectron angular distributions and correlations in sequential double and triple atomic ionization by free electron lasers.

Journal of Modern Optics: Vol. 63, Short Wavelength Free Electron Lasers and their Interactions with Matter, pp. Cited by: 7. A general agreement is found between theory and experiment for the coincidence angular distributions and the relative magnitudes of the Auger-electron-photoelectronmore» However, both experiment and theory show that the Auger-electron-photoelectron angular correlations are not sufficiently sensitive to the details of the Auger-electron wave.

Abstract. The recently observed anomaly in photoelectron angular distributions (PADs), the disappearance of the main lobes of PADs which should be usually in the direction of laser polarization, is reinterpreted as a minimum of generalized Bessel functions in the laser-polarization direction with the theory of nonperturbative quantum electrodynamics.

from angular distributions in cases where the dipole approximation is valid (cf. the reviews [l, 21). With increasing energy the forward-backward symmetry in the angular dis- tributions disappears.

The first measurements of photoelectron angular distri- butions in the s' using high-energy x rays, displayed pronounced forward 'Author: B.

Kraessig, M. Jung, D.S. Gemmell, E.P. Kanter, T. LeBrun, S.H. Southworth, L. Young. The photoelectron angular distributions have been calculated for different mutual positions of the polarization vector e and the axis Z normal to the sheet surface.

It has been shown that the existence of the electron waves reflected from the potential U(z) leads to evident asymmetry of the angular distribution relative to the plane z=: A. Baltenkov, V. Pikhut. Here, a simplified approach based on multichannel quantum defect theory is used to predict the photoelectron angular distribution parameters, β, and the results are in reasonably good agreement with experiment.}, doi = {/}, journal = {Journal of Chemical Physics}, number = 22, volume =place = {United States}, year = {Fri.

R.A. Allen, in Alpha- Beta- and Gamma-Ray Spectroscopy, Angular correlation. Any angular correlation between the successive radiations must be considered when setting up the coincidence equation.

In the simple case (% β-particles and % coincident γ-rays) the coincidence count rate is simply N 0 ε β ε γ f(θ) where f(θ) is the angular correlation function for the. Angular correlation between photoelectrons and Auger electrons within scattering theory F.

Da Pieve,1 S. Di Matteo,2 D. Sébilleau,3 R. Gunnella,4 G. Stefani,1 and C. Natoli2 1Physics Department, University Roma Tre and CNISM, via della Vasca Nav I Rome, Italy 2INFN Laboratori Nazionali di Frascati, via Enrico Fe I Frascati, Italy.

It has been demonstrated that photoelectron angular distributions in resonant multiphoton ionization depend critically on the angular momentum quantum numbers of the intermediate state.

This should help to interpret the spectra of atoms more complex than alkalies. In addition, information about the matrix elements for the bound-free transition can be obtained which is not available if the Author: G. Leuchs, S.

Smith. Cross sections and photoelectron angular distributions in photodetachment from negative ions using equation-of-motion coupled-cluster Dyson orbitals C.

Melania Oanaa and Anna I. Krylovb Department of Chemistry, University of Southern California, Los Angeles, CaliforniaUSA. Communication: Photoelectron angular distributions of CH of photodetachment cross sections and photoelectron angular distributions of negative ions using density functional theory.

Yuan Liu, and Chuangang Ning. Photoelectron angular distributions as Cited by: 2. To start with, Fig. 2 presents the contour plots of the angular correlation functions calculated for the sequential 2PDI of Ne, Ar, and Kr in the case of circularly polarized FEL pulses.

We omit the results for the np 4 1 D residual ions, where the angular correlations are weak, as discussed in detail in.We assume that both photoelectrons are detected in the same plane, containing the FEL Cited by: 3. Surface analysis and angular distributions in x-ray photoelectron spectroscopy. Extensions of the theory to include the effects of non-uniform x-ray flux, a more realistic spectrometer acceptance function, non-uniformity of surface layers, and surface roughness are also considered, and numerical calculations for the specific case of a Cited by: PHYSICAL REVIEW A 81, () Theoretical study of photoelectron angular distributions in single-photon ionization of aligned N 2 and CO 2 Cheng Jin, 1,2Anh-Thu Le, Song-Feng Zhao, R.

R. Lucchese,3 and C. D. Lin1 1J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KansasUSA 2College of Physics and Electronic Engineering, Northwest .We present the results of photoelectron velocity-map imaging experiments for the photodetachment of small negatively charged BimGan (m=1–2, n=0–2), and Pbn (n=1–4) clusters at nm.

The photoelectron images reveal new features along with their angular distributions in the photoelectron spectra of these clusters. We report the vertical detachment energies of the observed multiple Cited by: