Electric-Dipole–Quadrupole Interference of Overlapping Autoionizing Levels in Photoelectron Energy Spectra

We have measured the photon energy dependence of electric-dipole{endash}quadrupole interference in cadmium between the odd parity 4d{sup 9}5s{sup 2}5p J=1 and even parity 5p6p {sup 3} P{sub 2} autoionizing levels. The resonant interference structure is isolated by taking the difference between const...

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Veröffentlicht in:	Physical Review Letters 1998-08, Vol.81 (6), p.1199-1202
Hauptverfasser:	Martin, N. L. S., Thompson, D. B., Bauman, R. P., Caldwell, C. D., Krause, M. O., Frigo, S. P., Wilson, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	AUTOIONIZATION CADMIUM CROSS SECTIONS ELECTRIC DIPOLES ELECTRIC MOMENTS ENERGY DEPENDENCE INTERFERENCE PARITY PHOTOELECTRON SPECTROSCOPY PHOTONS PHYSICS QUADRUPOLE MOMENTS
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container_end_page	1202
container_issue	6
container_start_page	1199
container_title	Physical Review Letters
container_volume	81
creator	Martin, N. L. S. Thompson, D. B. Bauman, R. P. Caldwell, C. D. Krause, M. O. Frigo, S. P. Wilson, M.
description	We have measured the photon energy dependence of electric-dipole{endash}quadrupole interference in cadmium between the odd parity 4d{sup 9}5s{sup 2}5p J=1 and even parity 5p6p {sup 3} P{sub 2} autoionizing levels. The resonant interference structure is isolated by taking the difference between constant ionic state spectra at 45{degree} with respect to the photon beam in the forward and backward directions. We find interference effects that are approximately 0.5{percent} of the dipole cross section for photon energies of 13thinspeV, in good agreement with theory. We compare the results with those from (e,thinsp2e) experiments. {copyright} {ital 1998} {ital The American Physical Society }
doi_str_mv	10.1103/PhysRevLett.81.1199
format	Article
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We find interference effects that are approximately 0.5{percent} of the dipole cross section for photon energies of 13thinspeV, in good agreement with theory. 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P.</au><au>Wilson, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electric-Dipole–Quadrupole Interference of Overlapping Autoionizing Levels in Photoelectron Energy Spectra</atitle><jtitle>Physical Review Letters</jtitle><date>1998-08-01</date><risdate>1998</risdate><volume>81</volume><issue>6</issue><spage>1199</spage><epage>1202</epage><pages>1199-1202</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We have measured the photon energy dependence of electric-dipole{endash}quadrupole interference in cadmium between the odd parity 4d{sup 9}5s{sup 2}5p J=1 and even parity 5p6p {sup 3} P{sub 2} autoionizing levels. The resonant interference structure is isolated by taking the difference between constant ionic state spectra at 45{degree} with respect to the photon beam in the forward and backward directions. We find interference effects that are approximately 0.5{percent} of the dipole cross section for photon energies of 13thinspeV, in good agreement with theory. We compare the results with those from (e,thinsp2e) experiments. {copyright} {ital 1998} {ital The American Physical Society }</abstract><cop>United States</cop><doi>10.1103/PhysRevLett.81.1199</doi><tpages>4</tpages></addata></record>
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subjects	AUTOIONIZATION CADMIUM CROSS SECTIONS ELECTRIC DIPOLES ELECTRIC MOMENTS ENERGY DEPENDENCE INTERFERENCE PARITY PHOTOELECTRON SPECTROSCOPY PHOTONS PHYSICS QUADRUPOLE MOMENTS
title	Electric-Dipole–Quadrupole Interference of Overlapping Autoionizing Levels in Photoelectron Energy Spectra
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