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微分散射截面测量中气压效应的修正
引用本文:朱林繁,刘小井,李文斌,苑震生,成华东,钟志萍,徐克尊. 微分散射截面测量中气压效应的修正[J]. 原子核物理评论, 2002, 19(2): 150-152. DOI: 10.11804/NuclPhysRev.19.02.150
作者姓名:朱林繁  刘小井  李文斌  苑震生  成华东  钟志萍  徐克尊
作者单位:1中国科学技术大学选键化学重点实验室; 2中国科学院研究生院物理部;
基金项目:国家自然科学基金资助项目(10134010, 10004010); 中国科学技术大学青年基金资助项目
摘    要:介绍了微分散射截面测量过程中的气压效应 ,通过深入分析得出了二次散射系数E(θ)与零度角的强度A0 成正比 ,随散射角θ的增加而增加以及它的值可正可负 .通过与实验的对比 ,证实了前两条结论 ,并指出可把该结论用于指导实验. The pressure effect for the measurement of differential cross section is introduced and analysed in detail. Three conclusions are obtained: the double scattered coefficient E(θ) is proportional to the strength A 0 of the excitations measured at 0°; E(θ) increases with the increasing of scattered angle; the values of E(θ) can be positive or negative. The front two conclusions are tested by experiment, and it is pointed that they are helpful to the measurement of differential cross section.

关 键 词:微分截面   气压效应   一氧化碳
文章编号:1007-4627(2002)02-0150-03
收稿时间:1900-01-01
修稿时间:2002-03-05

Correction of Pressure Effect for Measurement of Differential Cross Section
ZHU Lin-fan,LIU Xiao-jing,LI Wen-bin,YUAN Zhen-sheng,CHENG Hua-dong,ZHONG Zhi-ping,XU Ke-zun. Correction of Pressure Effect for Measurement of Differential Cross Section[J]. Nuclear Physics Review, 2002, 19(2): 150-152. DOI: 10.11804/NuclPhysRev.19.02.150
Authors:ZHU Lin-fan  LIU Xiao-jing  LI Wen-bin  YUAN Zhen-sheng  CHENG Hua-dong  ZHONG Zhi-ping  XU Ke-zun
Affiliation:(1 Key Laboratory of Bond Selective Chemistry; 2 Department of Modern Physics; University of Science and Technology of China; Hefei;
Abstract:The pressure effect for the measurement of differential cross section is introduced and analysed in detail. Three conclusions are obtained: the double scattered coefficient E(θ) is proportional to the strength A 0 of the excitations measured at 0°; E(θ) increases with the increasing of scattered angle; the values of E(θ) can be positive or negative. The front two conclusions are tested by experiment, and it is pointed that they are helpful to the measurement of differential cross section.
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