Measurement of the response function and the detection efficiency of an organic liquid scintillator for neutrons between 1 and 30 MeV

HUANG Han-Xiong; RUAN Xi-Chao; CHEN Guo-Chang; ZHOU Zu-Ying; LI Xia; BAO Jie; NIE Yang-Bo; ZHONG Qi-Ping

doi:10.1088/1674-1137/33/8/015

Chinese Physics C> 2009, Vol. 33> Issue(8) : 677-681 DOI: 10.1088/1674-1137/33/8/015

Measurement of the response function and the detection efficiency of an organic liquid scintillator for neutrons between 1 and 30 MeV

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Abstract：
The light output function of a φ50.8 mm×50.8 mm BC501A scintillation detector was measured in the neutron energy region of 1 to 30 MeV by fitting the pulse height (PH) spectra for neutrons with the simulations from the NRESP code at the edge range. Using the new light output function, the neutron detection efficiency was determined with two Monte-Carlo codes, NEFF and SCINFUL. The calculated efficiency was corrected by comparing the simulated PH spectra with the measured ones. The determined efficiency was verified at the near threshold region and normalized with a Proton-Recoil-Telescope (PRT) at the 8—14 MeV energy region.

References

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HUANG Han-Xiong, RUAN Xi-Chao, CHEN Guo-Chang, ZHOU Zu-Ying, LI Xia, BAO Jie, NIE Yang-Bo and ZHONG Qi-Ping. Measurement of the response function and the detection efficiency of an organic liquid scintillator for neutrons between 1 and 30 MeV[J]. Chinese Physics C, 2009, 33(8): 677-681. doi: 10.1088/1674-1137/33/8/015

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Received: 2008-11-11
Revised: 2009-02-02

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of the response function and the detection efficiency of an organic liquid scintillator for neutrons between 1 and 30 MeV

Corresponding author: HUANG Han-Xiong,

Received Date: 2008-11-11

Accepted Date: 2009-02-02

Available Online: 2009-08-05

Abstract:

The light output function of a φ50.8 mm×50.8 mm BC501A scintillation detector was measured in the neutron energy region of 1 to 30 MeV by fitting the pulse height (PH) spectra for neutrons with the simulations from the NRESP code at the edge range. Using the new light output function, the neutron detection efficiency was determined with two Monte-Carlo codes, NEFF and SCINFUL. The calculated efficiency was corrected by comparing the simulated PH spectra with the measured ones. The determined efficiency was verified at the near threshold region and normalized with a Proton-Recoil-Telescope (PRT) at the 8—14 MeV energy region.

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Measurement of the response function and the detection efficiency of an organic liquid scintillator for neutrons between 1 and 30 MeV

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