A novel acquisition method for nuclear spectra based on pulse area analysis

LI Dong-Cang; REN Zhong-Guo; YANG Lei; QI Zhong; MENG Xiang-Ting; HU Bi-Tao

doi:10.1088/1674-1137/39/4/046201

Chinese Physics C> 2015, Vol. 39> Issue(4) : 046201 DOI: 10.1088/1674-1137/39/4/046201

A novel acquisition method for nuclear spectra based on pulse area analysis

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Abstract：
A novel simple method based on pulse area analysis (PAA) is presented for acquisition of nuclear spectra by a digitizer. The PAA method can be used as a substitute for the traditional method of pulse height analysis (PHA). In the PAA method a commercial digitizer was employed to sample and sum in the pulse, and the area of the pulse is proportional to the energy of the detected radiation. The results of simulation and experiment indicate the great advantages of the PAA method, especially as the count rate is high and the shaping time constant is small. When the shaping time constant is 0.5 μs, the energy resolution of PAA is about 66% better than that of PHA.

References

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LI Dong-Cang, REN Zhong-Guo, YANG Lei, QI Zhong, MENG Xiang-Ting and HU Bi-Tao. A novel acquisition method for nuclear spectra based on pulse area analysis[J]. Chinese Physics C, 2015, 39(4): 046201. doi: 10.1088/1674-1137/39/4/046201

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Received: 2014-05-30
Revised: 1900-01-01

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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

A novel acquisition method for nuclear spectra based on pulse area analysis

Corresponding author: LI Dong-Cang,

Received Date: 2014-05-30

Accepted Date: 1900-01-01

Available Online: 2015-04-05

Abstract: A novel simple method based on pulse area analysis (PAA) is presented for acquisition of nuclear spectra by a digitizer. The PAA method can be used as a substitute for the traditional method of pulse height analysis (PHA). In the PAA method a commercial digitizer was employed to sample and sum in the pulse, and the area of the pulse is proportional to the energy of the detected radiation. The results of simulation and experiment indicate the great advantages of the PAA method, especially as the count rate is high and the shaping time constant is small. When the shaping time constant is 0.5 μs, the energy resolution of PAA is about 66% better than that of PHA.

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A novel acquisition method for nuclear spectra based on pulse area analysis

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