Reaction cross sectionThick target yieldGamma-spectroscopyFor the better understanding of the astrophysical 纬-process the experimental determination of low energy proton- and 伪-capture cross sections on heavy isotopes is required. The existing data for the reaction are contradictory and strong ...
2.4.2 Macroscopic cross-section When dealing with matter in bulk, the reaction rate Nσ ϕ is often written as Σ ϕ, where Σ = Nσ and is known as the macroscopic cross-section. Σ (capital sigma) may be regarded as the total collision area presented by the target nuclei per unit...
The cross-section for the charge-transfer reaction of O− with O2 is determined in the relative kinetic energy range from 1 eV (threshold) to about 3 eV, using a combination of experimental and theoretical ion-swarm techniques. Reaction rate constants are measured in a helium-buffered flow-...
Then, according to the definition of the microscopic cross-section, the reaction rate per unit area is Nσ Ι(x)dx. This is equal to the decrease of the beam intensity, so that: -dI = N.σ.Ι(x).dx and Ι(x) = Ι0e-N.σ.x It can be seen that...
The cross-section sensitivities of the D-T reaction rate in a D-T plasma and the T-T reaction rate in a tritium plasma have also been calculated for various assumed values of the plasma ion temperature. 展开 关键词: n70800* --physics--controlled thermonuclear research-- thermonuclear ...
网络反应截面 网络释义 1. 反应截面 石油英语词汇(R1)--石油百科 ... reaction control 反馈控制reaction cross-section反应截面reaction enthalpy 反应焓 ... www.oilnews.com.cn|基于24个网页 例句
reaction n.[U,C] 1.反应,回应 2.(对旧观念等的)抗拒 3.生理反应,副作用 4.反应能力(通常用复数) 5.反对,反动,阻碍 6.化学反应 7.反作用力 section board 1.区配电板 2.分电板 3.分段配电板 Perkins'reaction 【机】 珀金斯反应 cross–check 1 : to obstruct in ice hockey or lacrosse by ...
We have developed semiempirical total reaction cross section formulas for proton-nucleus (with Zt≤26) and nucleus-nucleus (with Zp and Zt≤26) reactions. These formulas apply for incident energies above ≊15 MeV and ≊100 MeV/nucleon, respectively. We have also constructed a procedure for ...
4) reaction cross-section 反应截面 1. The reaction probability,the reaction cross-section and the thermal rate constants at T=300,500,and 700 K for the reaction have been evaluated,and it is indicated by comparison that the thermal rate constants calculated in this work agree well with the...
摘要: Inelastic p- 3 He events at 192.8 MeV/ c are detected with a self-shunted streamer chamber. The measured reaction cross section is 392±23.8mb. This result is briefly discussed and compared with other reaction cross sections for low-energy p with light nuclei....