Characteristics of the magnetic analysis system for a compact MPR-type spectrometer

QI Jian-Min; ZHOU Lin; JIANG Shi-Lun; PENG Tai-Ping

Chinese Physics C> 2010, Vol. 34> Issue(12) : 1860-1865

Characteristics of the magnetic analysis system for a compact MPR-type spectrometer

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Abstract：
The magnetic proton recoil (MPR) spectrometer is a novel diagnostic instrument with high performance for measurements of neutron spectra in inertial confinement fusion (ICF) experiments and high power fusion devices. A compact MPR-type spectrometer dedicated to the research of pulsed deuterium-tritium (DT) neutron spectroscopy of special experimental conditions is currently under design. Analyses of the main parameters and performance of the magnetic analysis system through 3-D particle transport calculations and MonteCarlo simulations and calibration of the system performance as a test using CR-39 solid track detector and α particle from ²³⁹Pu and ²²⁶Ra radioactive sources are presented in this paper. The results indicate that the magnetic analysis system will achieve a detection efficiency level of 10^－5—10^－4 at an energy resolution of 1.5%—2.1%, and fulfills the design goals of the spectrometer.

References

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QI Jian-Min, ZHOU Lin, JIANG Shi-Lun and PENG Tai-Ping. Characteristics of the magnetic analysis system for a compact MPR-type spectrometer[J]. Chinese Physics C, 2010, 34(12): 1860-1865.

QI Jian-Min, ZHOU Lin, JIANG Shi-Lun and PENG Tai-Ping. Characteristics of the magnetic analysis system for a compact MPR-type spectrometer[J]. Chinese Physics C, 2010, 34(12): 1860-1865. shu

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Received: 2010-03-05
Revised: 2010-05-05

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沈阳化工大学材料科学与工程学院沈阳 110142

Characteristics of the magnetic analysis system for a compact MPR-type spectrometer

Corresponding author: QI Jian-Min,

Received Date: 2010-03-05
Accepted Date: 2010-05-05
Available Online: 2010-12-05

Abstract:

The magnetic proton recoil (MPR) spectrometer is a novel diagnostic instrument with high performance for measurements of neutron spectra in inertial confinement fusion (ICF) experiments and high power fusion devices. A compact MPR-type spectrometer dedicated to the research of pulsed deuterium-tritium (DT) neutron spectroscopy of special experimental conditions is currently under design. Analyses of the main parameters and performance of the magnetic analysis system through 3-D particle transport calculations and MonteCarlo simulations and calibration of the system performance as a test using CR-39 solid track detector and α particle from ²³⁹Pu and ²²⁶Ra radioactive sources are presented in this paper. The results indicate that the magnetic analysis system will achieve a detection efficiency level of 10^－5—10^－4 at an energy resolution of 1.5%—2.1%, and fulfills the design goals of the spectrometer.