The nuclear lighthouse effect: a new tool for high-resolution X-ray spectroscopy

Synchrotron radiation that is coherently scattered from a rotating ensemble of resonant nuclei acquires an angular deflection proportional to the nuclear decay time. At sufficiently high rotational frequencies, the delayed radiation is well separated from the direct beam so that its time spectrum ca...

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Bibliographic Details
Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 467; no. 2; pp. 1473 - 1476
Main Authors Röhlsberger, R., Toellner, T.S., Quast, K.W., Sturhahn, W., Alp, E.E., Burkel, E.
Format Journal Article
LanguageEnglish
Published United States Elsevier B.V 21.07.2001
Subjects
ADVANCED PHOTON SOURCE
Coherent scattering
DESIGN
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Nuclear resonance
RESOLUTION
Rotation
Synchrotron radiation
X-RAY SPECTROMETERS
X-RAY SPECTROSCOPY
07.85.Qe
07.85.Nc
Nuclear resonance
78.70.Ck
Coherent scattering
Rotation
76.80.+y
Synchrotron radiation
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Summary:Synchrotron radiation that is coherently scattered from a rotating ensemble of resonant nuclei acquires an angular deflection proportional to the nuclear decay time. At sufficiently high rotational frequencies, the delayed radiation is well separated from the direct beam so that its time spectrum can be recorded with a position sensitive detector. This has been demonstrated employing nuclear resonant scattering of synchrotron radiation at the 23.8-keV resonance of 119Sn. Further spectroscopic applications employing high-energy nuclear resonances around 80 keV are discussed.
Bibliography:W-31-109-ENG-38
US Department of Energy (US)
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(01)00723-9