期刊
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
卷 61, 期 3, 页码 1252-1258出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2014.2312323
关键词
Electron accelerators; gamma-ray detection; storage ring
资金
- Japan Private School Promotion Foundation
- JSPS-FNRS
- Extreme Light Infrastructure Nuclear Physics (ELI-NP) Phase I
- European Union through the European Regional Development Fund
- Norwegian Research Council (NFR) [210007]
Using gamma-ray beams produced in the inverse Compton scattering between CO2 laser photons and relativistic electrons, we have calibrated electron beam energies in the nominal energy range 550-974 MeV at the synchrotron radiation facility New-SUBARU. The laser Compton-scattering (LCS) gamma-ray beams were produced at energies from 561 to 1728 keV and detected with a high-purity germanium detector. The electron beam energies were determined by reproducing the full energy peaks of the gamma-ray beams by Monte Carlo simulations. The accuracy of the calibration is (5.5 - 9.4) x 10(-5). The reproducibility of the electron beam energy is excellent in an independent injection and deceleration. The present energy calibration of the electron beams offers a standard for the energy calibration of high-energy LCS gamma-ray beams produced with a Nd:YVO4 laser. As applications of the energy calibration, we investigated the energy linearity of a 3.5 '' x 4.0 '' LaBr3(Ce) detector in the response to gamma-rays at energies up to 10 MeV and the energy profile of the high-energy LCS gamma-ray beams.
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