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Spallation Target of ADS Neutron Source

WAN Jun-sheng, ZHANG Ying, ZHANG Li-xing, XIA Hai-hong, DING Da-zhao

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 2003, 20 (5): 408-412.

Abstract （376）

PDF （274KB）（1134）

The spallation target of ADS is studied using the program DCM/CEM.The calculation of standard lead target bombarded with 0.1~1.6GeV proton beams is carried out.The neutron spectra and distribution over the lead target, energy deposition and neutron production in the lead target are studied. The simulation results agree with the former theoretical and experimental results.

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The calculation for pendant drop used in monoloyer film

Pu Xiaoyun, Wan Jun, Liu Qingju, Zhang Zhongmin, Lin Lizhong

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1999, 16 (2): 135-140.

Abstract （262）

PDF （283KB）（1004）

The globe model for studying pendant drop in monolayer film has been established.Based on this model,the distributions are calculated for dipole intensity of fluorescent surfactant molecules,for surfactant molecular density and for fluorescent intensity along the observed direction.The calculation results are discussed and compared with the experiment on Octadecyl Rhodamine B(ODRB) molecules.

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APPLICATION OF CUMULANT EXPANSION IN EXAFS DATA ANALYSIS

Wan Jun, Lu Kun-quan

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1986, 3 (4): 481-486.

Abstract （192）

PDF （342KB）（977）

It is more reasonable and accurate to use cumulant Expansion in EXAFS data analysis In this paper, the formula of cumulant expansion. for structural parameter determination is given, and the result of EXAFS data analysis on GeO₂ glass is reported and compared with that obtained by conventional method.

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