Parametric down conversion of X-ray photons

被引:25
|
作者
Adams, B
Fernandez, P
Lee, WK
Materlik, G
Mills, DM
Novikov, DV
机构
[1] Hamburger Synchrontronstschlungslab HASYLAB, Deutsch Elektronen Synchrotron, DESY, D-22603 Hamburg, Germany
[2] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
关键词
non-linear X-ray optics; parametric down conversion;
D O I
10.1107/S0909049599015113
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Parametric down conversion of X-ray photons in diamond crystals was detected in two experiments, both using the phase-matching scheme first employed in the X-rap regime by Eisenberger & McCall [Phys. Rev. Lett. (1971), 26, 684-688]. The conversion events were detected by a combination of time-correlation spectroscopy and energy discrimination, using Si drift-chamber detectors. The time-correlation spectra give a direct comparison of the conversion rate over the accidental coincidence rate. Mechanisms for possible detection of false events and ways to cross check against them are discussed in detail.
引用
收藏
页码:81 / 88
页数:8
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