Photon-flux determination by the Poisson-fitting technique with quenching corrections
Utsunomiya, H; Watanabe, T; Ari-izumi, T; Takenaka, D; Araki, T; Tsuji, K; Gheorghe, I; Filipescu, DM; Belyshev, S; Stopani, K; Symochko, D; Wang, HW; Fan, GT; Renstrom, T; Tveten, GM; Lui, YW; Sugita, K; Miyamoto, S
2018
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002
卷号896页码:103-107
文章类型期刊论文
摘要Single-and multi-photon spectra of pulsed gamma-ray beams produced at 17, 34, and 40 MeV in the laser Compton scattering were measured with an 8 '' x 12 '' NaI(Tl) detector. By using the experimental single-photon spectra as the probability function of generating random numbers, response functions of the NaI(Tl) detector to j-fold photons (j = 2, 3, 4...) were constructed. The least-square fits to the experimental multi-photon spectra by the Poisson distribution consisting of the response functions were made. The multi-photon spectra measured at 17 and 34 MeV follow the Poisson distribution. A quenching phenomenon of multi-photon spectra was observed for 40 MeV gamma-rays as a result of the saturation at the photomultiplier tube of the NaI(Tl) detector. The original Poisson distributions were restored from the quenched spectra using a saturation curve in the form of y = a . x(eta) with eta = e(-bx). We discuss the accuracy of photon-flux determination.
关键词Gamma-rays
DOI10.1016/j.nima.2018.04.021
收录类别SCI
语种英语
WOS记录号WOS:000432849300011
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29103
专题中科院上海应用物理研究所2011-2018年
作者单位1.Utsunomiya, H
2.Watanabe, T
3.Ari-izumi, T
4.Takenaka, D
5.Araki, T
6.Tsuji, K
7.Gheorghe, I
8.Filipescu, DM
9.Belyshev, S
10.Stopani, K
11.Symochko, D
12.Wang, HW
13.Fan, GT
14.Renstrom, T
15.Tveten, GM
16.Lui, YW
17.Sugita, K
18.Miyamoto, S
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Utsunomiya, H,Watanabe, T,Ari-izumi, T,et al. Photon-flux determination by the Poisson-fitting technique with quenching corrections[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2018,896:103-107.
APA Utsunomiya, H.,Watanabe, T.,Ari-izumi, T.,Takenaka, D.,Araki, T.,...&Miyamoto, S.(2018).Photon-flux determination by the Poisson-fitting technique with quenching corrections.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,896,103-107.
MLA Utsunomiya, H,et al."Photon-flux determination by the Poisson-fitting technique with quenching corrections".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 896(2018):103-107.
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