勢散射 的英文怎麼說
中文拼音 [shìsǎnshè]
勢散射
英文
potential scattering- 勢 : 名詞1 (勢力) power; force; influence 2 (一切事物力量表現出來的趨向) momentum; tendency 3 (自...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
-
Describing antiproton - nuclear scattering by using each annihilation potential is feasible
各湮沒勢模型都能較好地描寫反質子-核散射過程。It is rare that we study antiproton - nuclear inelastic scattering and elastic scattering by using phenomenological annihilation potentials
) n湮沒勢對反質子-核非彈性散射和彈性散射進行研究是少有的研究方法。The aa interaction which we take is in good agreement with the experimental ground binding energy of t he. the a. a potentials reproducing the experimental value of ba ( a / fe ) are obtained by folding the density distribution of the a particle and ajv local potentials which give a very good fit to the a - proton scattering data
) ?勢是通過選取( ? ) -質子散射的實驗值數據較好的( ? ) -核子定域勢、以4he核的密度分佈作折疊積分得到; -勢符合低能-散射實驗及sbe的基態共振能量。First introduces briefly the characteristic of microwave, the history of mamt, its characteristic and trends. then explains the contents of one port reflection parameters, the way to measure them and something to pay attention to. at the end we illustrates how to get the reversible two ports s matrix using eight - point method
首先概述了微波的特點,接著介紹了微波自動測量技術的發展歷史、特點及其今後發展的趨勢,然後說明了二埠網路反射參量的內容、測定方法、需要注意的問題以及可逆二口網路散射參量的八點法測量,重點介紹了八點法圖解的方法。Finally theoretical results and the experimental data have been compared and analyzed. the theoretical results are in good agreement with the experimental data. after evaluated, the results have been adopted in the nuclear data library of china
理論計算的總截面、彈性截面、去彈截面和彈性散射角分佈等結果和實驗數據符合很好,同時該兩組光學勢參數以及計算結果被中國核數據庫收錄。Based on the potential resonance in heavy - ion collisions, the anomalous phenomenon of the backward - angle oscillatory arising in the angular distribution for 16o + 12c elastic scattering have been studied within the framework of the optical model using a deep optical potential
摘要基於重離子碰撞中勢共振的考慮,在光學模型的框架下,使用深光學勢研究了16o + 12c彈性散射角分佈后角振蕩上升的反常現象。In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上,聚焦中空光束的dss越小,光學勢越大,相應的最佳失諧量越大,這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡,而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。It has important theoretical meaning for reflecting the research of the interaction potential of nuclear force has important theoretical meanings in the framework of glauber theory and distorted wave impulse approximation ( dwia ), being spin - independent, inelastic scattering three low exciting states ( j * = 2 ~ ( + ), 4
本工作的目的是藉助反質子-核散射來探索反核子-核子相互作用勢的最佳形式及相應的勢參數,對反映核力的相互作用勢的研究具有十分重要的理論意義。Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems
由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢,利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。The vibrational excitation cross - sections of low - energy electron scattering from n2 molecule are studied using the improved body - frame vibrational close - coupling ( bfvcc ) method and quantum scattering potentials including static, exchange and polatization contributions based on ab initio calculations
摘要使用經孫衛國教授改進后的振動密耦合散射方法和基於量子力學從頭計算得到的靜電、交換與極化散射作用勢,研究了低能電子與n2分子的振動激發散射截面。The stronger orientation of potential is, the weaker repulsive potential is, and the bigger probability of non - elastic scattering is. the dcs in exciting states is smaller when small angles, and will be bigger when big angles
非彈性散射截面與勢能的方向性和排斥勢的強度密切相關,勢能的方向性越強,排斥勢越弱,產生非彈性散射的幾率就越大。Scattering sections reflect some characters of interaction potential in collision systems ; therefore one can get information about interaction from the theoretical and experimental research of collision between atoms and molecules. it is especially noted that non - elastic scattering sections and single rotational - excitation sections give abundant information about orientation and repulsive potential of interaction between atom and molecules, which meant an important way as to fully investigating the interaction between atoms and molecules
散射截面反映了碰撞體系相互作用勢的基本特性,從原子分子碰撞的理論及實驗中能夠獲得有關相互作用的信息;非彈性散射截面和單個轉動激發截面提供了有關原子與分子相互作用方向性和排斥勢的豐富信息,是全面探索原子與分子相互作用的重要途徑之一。Study of interaction potential and differential scattering cross section for he - n
2碰撞體系相互作用勢及微分散射截面的研究Results : elsd or only has the absorption in the determination not ultraviolet absorption in the ultraviolet terminal on the ingredient to have the big superiority and the widespread application
結果:蒸發光散射器在測定沒有紫外吸收或僅在紫外末端有吸收的成分上有較大的優勢和較廣泛的應用。Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough
在利用上述的兩種束縛態波函數和兩種光學勢的基礎上,我們研究了一系列的敲出反應:通過對比兩種束縛態波函數和光學勢,我們得到的結論是:兩種束縛態波函數和光學勢對反應截面的能量分配譜的貢獻都比較好,但尤以波函數_ ( li ) ( r )為佳;光學勢v _ ( clu ) + ( r )得到的光譜因子比用woods - saxon勢v _ ( ws ) ( r )的結果要好,它不僅能適用於彈性散射,且對敲出反應也能得出比較好的結果;集團的敲出反應是集團表面局域性的表現:在中低能的入射條件下,扭曲效應不能忽略,但入射能量較高時,扭曲效應影響較小,可以用平面波沖量近似的方法。By studying the effect on the current response, we find elastic scattering can destroy the resonant peaks, make these peaks become wide and flat, which is in agreement with the experiment results
研究電流響應時,發現彈性散射有破壞電流共振峰的效應,使電流共振峰有消平和弱化的趨勢,這與實驗事實是相一致的。And based on these findings, we further study the dependence of nuclear stopping on system size, initial n / z, sp and the medium correction of two - body cross sections. it ' s found that the effect of initial n / z ratio and isospin sp on stopping is weak, and the excitation function of stopping depends on the form of medium correction of two - body cross sections and the equation of state of nuclear matter strongly
在此基礎上我們研究了核阻止本領對系統大小、初始核n / z 、平均場中對稱勢以及兩體散射截面介質修正等的依賴情況,研究結果表明它受初始核n / z比以及對稱勢的影響很弱,而受碰撞截面介質修正的同位旋依賴效應及核態方程影響明顯。Particle ratios embody the chemical equilibrium driven by inelastic interaction during rapid expansion when the temperature decreases in the colliding system, the measured hadron ratios provide the chemical composition of the fireball at the chemical freeze - out point and access the baryon transporter stopping ) for the initial conditions at early stage of the collisions. in this paper, we study the anti - proton to proton ratio from ig7au + 197 au collisions, analyzing p / p ratio as functions of rapidity, transverse momentum and centrality at ^ / saw = 200gev and the dependence on the center of mass energy of p / p ratio, compared with the experimental results. it shows that the p / p ratio has n ' t obvious dependence on rapidity for mid - rapidity, but shows a slight increase trend with pt increasing in the range of pt < 1gev / c for mini - bias or central collisions, and rqmd shows a more remarkable correlation between p / p ratio and centrality than experiments do at snn = 200gev
研究表明:對廠在中心快度區沒有明顯的快度依賴性,在越靠近邊緣快度區, p p呈下降趨勢;在對心碰撞或者最小無偏事件中, p p在低橫動量區域隨著橫動量的升高而增大; p隨著碰撞對心度的比實驗結果表現出稍強的隨對心度增大而減小的趨勢,尤其是有再散射ujrqmd模型;在中心快度區, p p隨著碰撞的質心能量的提高而快速的增大,與實驗結果一致;在低能,有末態粒子再散射的d較好的預言了的:但是在mc能量下,有末態粒子在散射的d所預言的p p值比實驗值要小。This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element
這種陣列反射天線具有反射天線和陣列天線共同的優勢,它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列,然後由一個饋源照射這個天線,通過調節介質板上每個單元對于入射波的散射相位,使得反射波在特定的方向實現同相位,發射出方向性極強的筆形波束。By sufficiently making use of the knowledge of the semiconductor, we have analyzed the transference and scatterance of the carriers as well as their emergence and being captured by disfigurement in crystal lattice from angles of crystal micro mechanism, the structure of the energy band and the crystal potential field
本文充分利用半導體的能帶理論,從薄膜晶體結構、能帶結構和晶體勢場的角度,分析載流子的遷移、散射以及載流子的產生和晶體結構缺陷對載流子的捕獲。分享友人