中子質子碰撞 的英文怎麼說

中文拼音 [zhōngzizhízipèngzhuàng]
中子質子碰撞 英文
neutron proton collision
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 碰 : 動詞1 （一物體突然接觸另一物體; 撞擊） touch; bump 2 （碰見; 遇到） meet; run into 3 （試探 ） tr...
  • 撞 : 動詞1 （猛然碰上） collide; strike; knock; bump against; run into 2 （碰見） bump into; run into;...
  • 質子 : [物理學] proton; uron; hydrion; merron質子泵 proton pump; 質子層 proton sphere; 質子轟擊 proton b...
  • 碰撞 : 1 （猛然碰上） collide; run into; knock against; run foul of; crash 2 [物理學] collision; impact;...
  1. The model reproduced the following facts of wa97 experimental data : the yield of strange particles increases with increasing mass and increasing centrality of the colliding system, and also with increasing strangeness content of hyperons in relativis - tic nucleus - nucleus collisions. the simulation of strangeness production using luc1ae model shows that strangeness production is related not only to the rescattering. but also to the collective interaction among strings in relativistic nucleus - nucleus collisions

    Luciae模型能很好地描寫wa97發表的單奇異和多奇異重子的產額和橫質量分佈的實驗數據，能較好描寫wa97實驗所揭示的相對論性核-核碰撞中奇異粒子產額隨碰撞體系質量、中心度的增大而增加和奇異粒子增強隨奇異粒子所含奇異夸克數的增加而增強的實驗事實。
  2. Based on the revers kinetic intermediate energy heavy ion collision in which much more intermediate mass fragments are emitted towards forward angles, a sensitive observable on isospin effects in heavy ion collisions is investigated by means of using isospin dependent quantum molecular dynamics ( iqmd )

    摘要在重離子碰撞過程中，基於重質量的彈核轟擊輕質量靶核有大量中等質量碎片向前發射的逆運動學效應，利用同位旋相關的量子分子動力學觀察和研究了重離子碰撞過程中同位旋效應的靈敏性。
  3. For probing the isospin dependence of the medium correction of two - body cross sections, the results show that the behavior of the excitation function of stopping for medium size nuclear collisions can provide cleare r information than that for heavier systems

    我們的結果還表明測量中等大小質量的系統在中能重離子碰撞中的核阻止本領激發函數比測量重的系統能提供更為確切的有關兩體截面介質修正的信息。
  4. By analyzing the differentiae of the total cross sections ( tcs ), the differential cross sections ( dcs ), the partial wave cross sections ( pcs ), the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he, ne, ar, kr, xe - h2, d2, t2 have been obtained. in this paper, we use the tang - toennies potential model for the inertia gas atoms - h2 systems, the murrell - sorbie potential surface with five parameters for the molecules h2, d2, t2. for the inertia gas atoms - d2, t2 systems, we use the same potential surface with the inertia gas atoms - h2 systems

    通過分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各碰撞體系在總截面、微分截面和分波截面等方面的差異，總結出在h _ 2分子的對稱同位素替代情形下惰性氣體原子與h _ 2分子體系碰撞截面的變化規律；通過比較he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在碰撞總截面、微分截面、分波截面等方面的不同，詳細討論了同位素替代碰撞體系中體系約化質量及入射原子的相對碰撞能量的變化對碰撞截面的影響，得出了這種影響的規律性。
  5. We further find that anti - flow appears at certain large impact parameter, which seems to be more sensitive to 2 and might provide more definite information of the magnitude of 2. the absorption effect of k - mesons is also studied, we find although there exists strong k - absorption, k - spectrum can still contain the messages of at " in nuclear medium

    接著我們又研究了k ~ -介子的吸收問題，發現雖然有強烈的k ~ -吸收存在，其能譜在不太重的核系統的非中心碰撞中仍顯示出對為的依賴，有可能提供k在核介質中性質的知識。
  6. We have summarized a set of theoretical approach to this problem and discussed the instability of the gas cloud and the systems composed of collisionless particles in the background of dark matter. linear perturbation theory is the method to solve this problem, in which, we add the perturbation into the equilibrium state and discussed its evolution

    本文研究了自引力系統的穩定性問題，總結了解決該問題的一套理論方法。並具體研究了存在暗物質背景時氣體雲和無碰撞粒子系統中擾動的演化情況。解決穩定性問題的方法用線性擾動理論，即在平衡態中加入擾動，研究擾動在系統中的演化情況。
  7. To benzilan ( where visitors can view the geological legacy of the collision of the european - asian plate with the indian sea plate ), then on to the dongzhu temple group, and then proceeding to baimang snow - capped mountain, and the feilai temple in deqin, and on to meili snow - capped mountain, mingyongqia glacier, and xidang hot springs from which one can continue on to the yuben fairy waterfall

    由中甸為起點，松贊林寺、納帕海、奔子欄（游覽歐亞板塊與印度洋板塊碰撞地質遺址） 、東竹林寺、白茫雪山、德欽飛來寺、梅里雪山、明永恰冰川、西當溫泉、雨崩神瀑。
  8. The result shows that argon gas can not only promote the excitation of plasma at low pressure, but also improve discharge state, increase the density and activation of reaction radical and improve the quality of diamond films. on the other side, argon can cool the plasma and maintain low temperature of substrate due to its big ionization section and high collision probability with gas molecules

    結果表明，氣體系統中引入氬氣一方面不僅有利於維持低壓放電，而且改善放電狀態，提高反應活性基濃度和活性，提高低溫沉積金剛石膜的質量；另一方面，由於其大的電離截面使其和電子碰撞的幾率大大提高，對等離子體進行冷卻，有利於基片溫度的降低。
  9. As neutrons pass through matter, they make occasional elastic collisions with nuclei.

    當中子穿過物質時，偶爾與核發生彈性碰撞。
  10. The calculation results show that the correlation between the multiplicity of intermediate mass fragments n ( subscript imf ) and total number of charged particles n ( subscript c ) is a sensitive observable for probing the isospin - dependent in - medium nucleon - nucleon cross section, but the isospin effects of symmetric potential on n ( subscript imf ) is not obvious in the chosen energy region

    計算結果表明在所選能區，中等質量碎片的多重性與帶電粒子總數之間的關聯是提取介質中核子核子碰撞截面的靈敏觀測量，而此時對稱勢的同位旋效應卻不明顯。
  11. The isospin effect and k production in intermediate and high energy heavy ion collisions ( hics ) are hot topics in the nuclear physics. based on the isospin - dependent quantum molecular dyanmics ( iqmd ) model and self - consistent relativistic boltzmann - uehling - uhlenbeck ( rbuu ) model, we have studied them and obtained some interesting results. as for the study of isospin in intermediate energy hics, we ' ve investigated how both stength ( q ) and density dependence of symmetry potential ( sp ) affect many measurable observables, such as the yield, phase - space, and isospin distributions of fragments, as well as the correlations between intermediate - mass - fragment ( imf ) multiplicity n and charged - particle multiplicity n, light - charged - particle ( lcp ) multiplicity n, and neutron multiplicity n,

    在中能重離子碰撞的同位旋研究方面，分別研究了對稱勢的強度（ c _ s ）和其密度依賴形式對中能重離子核反應各類碎片產物產額、相空間、及其同位旋的分佈，中等質量碎片多重數（ n _ （ imf ） ）與帶電粒子多重數（ n _ c ） 、輕帶電粒子多重數（ n _ k ） 、中子多重數（ n _ n ）的關聯等多種實驗觀測量的影響，以獲取對稱勢中該兩方面的信息，尤其著重於研究如何分別獲取有關該兩方面的信息的途徑。
  12. 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。
  13. By analyzing the transverse momentum or transverse energetic spectra of those particles from mid - rapidity in heavy - ion collisions, we can gain the information on transverse collective expansion in the center area of the collisions

    通過研究中心快度區不同粒子的橫質量譜或者橫能譜，能夠獲得碰撞中心區域橫向集體擴張的信息。
  14. In present study the calculation of the time slope term in the bgk scheme including the non - equilibrium state effect is simplified based on the conservation of mass, momentum and energy in particle collision. numerical tests show that the simplification not only keeps the advantages of the old one but also makes it simpler and more efficient

    本文研究首先從引入非平衡態因素的bgk格式出發，基於粒子碰撞過程中質量、動量和能量守恆的原理，簡化了原格式中時間梯度項的計算，有效地減少了計算量。
  15. Collisional quantum interference takes place in radiationless transitions and is inherently the interference between de broglie waves. sha, zhang and co - workers [ j. chem

    碰撞過程中量子干涉效應是分子碰撞導致的無輻射躍遷過程中的干涉，本質上是屬于德布羅意波之間的干涉。
  16. In this paper, the color dipole approach in the target rest frame is presented and the ratio of the drell - yan cross section per nucleon for an 800 gev proton beam incident on a variety of nuclear targets are calculated and the results are compared with fermilab e772 and e866 experimental data. it is shown that without considering the energy loss effect, the calculated results can fit rather well with experimental data

    本文介紹了靶靜止系中色偶極模型，用色偶極模型計算了800gev質子與原子核碰撞的drell - yan過程的微分截面比，並與e772和e866實驗結果進行了比較。發現：不考慮能量損失，只計及p - a碰撞中的遮蔽效應，理論結果就與實驗符合的很好。
  17. We presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account the long - range interaction potentials. the key factors in the determination of the differential and integral interference angles are obtained. co a1 ( v = 0 ) ~ e3 - ( v = l ) system in collision with he is calculated, the calculated values are consistent with the experimental results, but for the partners being ne and ar, the calculated values are not so good

    首次得到了從理論中計算干涉相位角的方法，得出了干涉相位角和實驗條件中各相關量的關系，並計算了coa ~ 1 （ v = 0 ） e ~ 3 ~ - （ v = 1 ）和he碰撞誘導轉動能量傳遞過程中量子干涉效應的實驗，計算結果和實驗符合的很好，但是對于碰撞伴是ne和ar的實驗，計算結果不是很好，原因是隨著碰撞伴質量和極化率的增大，相互作用勢更強，應該考慮短程相互作用勢的貢獻。
  18. The fusion mechanism of large deuterium clusters ( 100 ~ 1000 atoms / per cluster ) in super - intense ultra - short laser pulse field, coulomb explosions of micro - cluster in solids, gases and large - size clusters have been studied using the interaction of a high - intensity femtosecond laser pulses with large deuterium clusters, collision of high - quality beam of micro - cluster from 2. 5mv van de graaff accelerator with solids, gases and large clusters

    摘要用2 . 5mv靜電加器提供的高品質微團簇束與固體、氣體和大尺度團簇（ 100 - > 1000原子團簇）碰撞，超強飛秒激光與大尺度氘團簇相互作用，研究微團簇在大尺度團簇中的庫侖爆炸特性，研究超短超強激光場中大尺度氘團簇的聚變機理。
  19. In fact, based on the expected neutralino mass and its low tendency to collide, the total mass in neutralinos almost exactly matches the inferred mass of dark matter in the universe

    事實上，從中性伴子預估的質量及它不易碰撞的傾向可得出：中性伴子的總質量與我們推算宇宙中暗物質的質量幾乎完全相同。
  20. They then observed the flashes of energy when the new antihydrogen atoms annihilated themselves in collisions with ordinary matter in the walls of the chamber

    當新的反氫原子在房間墻壁中和平常物質碰撞湮滅它們自己的時候，然後他們觀察到了能量的閃光。
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