期刊
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
卷 57, 期 3, 页码 1175-1181出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2010.2045511
关键词
Electron response; K-dip spectroscopy; nonproportionality; scintillator; X-ray response
Using highly monochromatic X-ray synchrotron radiation ranging from 9 keV to 100 keV, accurate Lu2SiO5:Ce3+, Ca (LSO), Lu3Al5O12:Pr3+ (LuAG), Lu2Si2O7:Ce3+ (LPS) and Gd2SiO5:Ce3+ (GSO) nonproportional response curves were determined. By utilizing information from escape peaks in pulse height spectra the response curve can be extended down to several keV. A detailed study of the nonproportionality just above the K-edge is presented and from that a method, which we named K-dip spectroscopy, is obtained to reconstruct the electron response curve down to energies as low as 100 eV.
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