Physics
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1548..118s&link_type=abstract
In: Production and analysis of polarized X rays; Proceedings of the Meeting, San Diego, CA, July 23, 24, 1991 (A93-33470 12-90),
Physics
1
Photocathodes, Photoelectric Effect, Polarized Electromagnetic Radiation, X Rays, Alignment, Electron Counters, Modulation, Photoelectrons
Scientific paper
Recent experiments conducted to study the vectorial photoelectric effect with CsI, Al2O3 and Si photocathodes at 2.69 keV indicate null results. Detailed analysis shows that previously measured modulation can be well explained by geometrical misalignment and a combination of the asymmetric shape of the incident X-ray beam and a small detection area of the photoelectron detector. After the elimination of the sources of spurious modulation, we observed a modulation factor of less than 3 percent for a grazing incidence angle as small as 5 deg. There is no observable difference in the pulse height distribution between s and p states.
Church Eric D.
Fleischman Judith
Hanany Shaul
Kaaret Phil
Liu Ya-Ying
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