Acta Physica Sinica, Volume. 69, Issue 11, 112801-1(2020)
Figures & Tables(8)
Fig. 1. The timing diagram of neutron induced inelastic γ and capture γ in C/O well-logging.
Fig. 3. Comparison of calculated result about energy spectra of secondary γ: (a) JMCT primary line γ; (b) JMCT Compton γ; (c) JMCT total γ; (d) MCNP total γ.
Fig. 4. Comparison of secondary γ-fluent tine spectrum between JMCT and MCNP.
Table 1. Energy of spectrum line from inelastic γ and capture γ about H, C, N, O, etc.
View tableView in ArticleTable 1. Energy of spectrum line from inelastic γ and capture γ about H, C, N, O, etc.
元素 反应类型 特征γ 谱线能量/MeV H 辐射俘获 2.2233 C 非弹性散射 4.433 N 辐射俘获非弹性散射 1.8848, 5.2692, 5.5534, 6.3224, 7.2991, 10.8290, 2.3128, 4.4444, 5.1059, 7.0280 O 非弹性散射 2.7419, 3.6841, 6.1310, 6.9170, 7.1190 F 非弹性散射 0.1090, 0.1971, 1.2358, 1.3480, 1.3565 P 辐射俘获非弹性散射 2.1542, 3.5228, 3.9003, 4.6713, 6.7853, 1.2661, 2.2334 S 辐射俘获 0.8411, 2.3797, 2.9311, 3.2208, 4.4308, 4.8698, 5.4205, Cl 辐射俘获 0.5167, 0.7884, 1.1647, 1.9509, 1.9591, 2.8639, 5.7153, 6.1109, 6.6195, 7.4138 As 辐射俘获非弹性散射 6.2941, 6.8094, 7.0192, 0.2646, 0.2795, 0.5725 Al 辐射俘获非弹性散射 0.9840, 2.9598, 4.1329, 4.2522, 7.7239, 0.8438, 1.0144, 2.2118 Fe 辐射俘获非弹性散射 0.3522, 1.7251, 5.9203, 6.0185, 7.6311, 7.6455, 8.8860, 9.2980, 0.8468, 1.2383, 1.4082, 1.8105, 2.1129, 2.5985
Table 2. Weight percentage of elements in some spirited detonators (TNT) and chemical weapons.
View tableView in ArticleTable 2. Weight percentage of elements in some spirited detonators (TNT) and chemical weapons.
元素 TNT 沙林/GB 神经性 毒气/VX 芥子气/HD 孁烂性 毒气/L 氢(H) 2.2 7.1 9.7 5.0 1.0 碳(C) 37.0 34.3 49.4 30.2 11.4 氮(N) 18.5 5.2 氧(O) 42.3 22.9 12.0 氟(F) 13.6 磷(P) 22.1 11.6 硫(S) 12.0 20.1 氯(Cl) 44.7 51.3 砷(As) 36.1
Table 3. Comparison of calculated results about secondary γ between JMCT and MCNP.
View tableView in ArticleTable 3. Comparison of calculated results about secondary γ between JMCT and MCNP.
程序 原级线 光子 原级连续 光子 散射光子 Jγ总 光子流 偏差/% 注: 偏差 = [Jγ(JMCT) – Jγ(MCNP)]/ Jγ(MCNP). JMCT 4.92519-7 0 4.34947-8 5.36014-7 0.4406 MCNP 无 无 无 5.38386-7 标准解
Table 4. Count and percentage of prompt γ from H, C, N and O.
View tableView in ArticleTable 4. Count and percentage of prompt γ from H, C, N and O.
元素 计数 份额比/% 统计误差/% 注: 偏差 = [Jγ(JMCT) – Jγ(MCNP)]/ Jγ(MCNP). H 3.02643 × 10–11 0 0.56 C 1.77077 × 10–7 36 0.49 N 1.11146 × 10–7 23 0.12 O 2.03254 × 10–7 41 0.18
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Li Deng, Rui Li, Xin Wang, Yuan-Guang Fu.
Paper Information
Category: Research Articles
Received: Feb. 24, 2020
Accepted: --
Published Online: Dec. 2, 2020
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