hadron 中文意思是什麼

hadron 解釋
n. 名詞 【物理學】強子。
adj. 形容詞 -ic
  1. A quark ( or an antiquark ) from the projectile hadron radiates a virtual photon on impact on the target, the photon subsequently decays into a lepton pair

    入射強子中的一個夸克(或反夸克)在靶的作用下輻射出一個虛光子,虛光子再衰變成正反輕子對。
  2. In quantum chromodynamics ( qcd ), vacuum is not trivial, that is, vacuum carry quantum numbers. such a behavior is embodied by non - perturbative con - densates of quarks and gluons. since hadrons are excitations with respect to the vacuum, hadronic properties are ultimately related to properties of the vacuum. based on the vacuum structure, some hadron properties have been described well. in the low energy region, qcd has two very important proper - ties : chiral symmetry spontaneous breaking and confinement, which are closely related to the vacuum characteristics of qcd. much experiments and theoretical studies have shown that chiral symmetry spontaneous breaking is very important to understand the low - energy feature of the strongly interacting physics, and the quark condensates give an expression to chiral symmetry spontaneous breaking. according to goldstone ' s theorem, the goldstone bosons with zero mass will emerge as the chiral symmetry is spontaneously broken. there are two ways : inear and non - linear methods to carry out this constraint. in our paper, we will use the non - linear method

    大量實驗和理論研究表明,手征對稱自發破缺對于理解低能強相互作用十分重要,而夸克凝聚又是導致手征對稱自發破缺的因素。按goldstone理論,伴隨手征對稱自發破缺應該會有零質量的goldstonebosons產生。而對于這一條件的實現有線性和非線性兩種方法本文將用非線性的方法將手征對稱自發破缺應用於su ( 3 )模型即重子八重態,得出描述其強相互作用的手征對稱自發破缺lagrange密度。
  3. Qcd sum rule and hadron physics

    求和規則與強子物理
  4. Large hadron collider, lhc

    大型重子對撞機
  5. Self - affine analysis for the dynamical fluctuations inside jets produced in high energy hadron - hadron collisions

    強子碰撞噴注內部動力學起伏的自仿射分析
  6. On the dynamical fluctuations in the production and evolusion of jets in high energy hadron - hadron collisions

    強子碰撞中噴注的產生與演化過程的動力學起伏
  7. Besides the formation of quark - gluon plasma, there are many mechanisms in hadron environment which lead to j / suppression

    除夸克?膠子等離子體的形成之外,強子環境中也存在各種機制導致j壓低。
  8. The parameter a, is studied in many experiments of hadron - hadron collisions and heavy ion collisions after it was introduced

    非熱相變的概念提出后,很多強子?強子碰撞實驗和重離子實驗都對特徵參數_ q進行了研究。
  9. Lisi is now calculating the masses that the 20 new particles should have, in the hope that they may be spotted when the large hadron collider starts up

    李斯現在正在計算20個新粒子,他希望歐洲大強子對撞機最終能驗證和發現這些粒子。
  10. The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering

    其它的弦模型在計算幾率時,忽略了入射能量在pomeron之間的分配,破壞了能量守恆,而且把pomeron作為全同粒子處理,即pomeron之間是不可區分的;然而在處理粒子產生時,這些模型雖然考慮了能量守恆,但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。
  11. Since quantum chromodynamics ( qcd ) is nonperturbative in the infrared region as the basic theory of strong interaction, the potential model as one of various models inspired by qcd has been developed to explain the properties of hadron

    目前,由於作為強相互作用基本理論的量子色動力學( qcd )在低能區(大距離)的非微擾效應,各種qcd激發的模型一直被發展來解釋強子的性質。
  12. But in the present available hadron - hadron collision experiments, due to the restriction of energy, the average multiplicity is very low. and the rank of the factorial moments could not be high

    但是,目前的強子?強子碰撞能量較低,制約了階乘矩的階數,沒有明顯看到非熱相變的跡象。
  13. Therefore it is necessary to study the contribution of hadron environment to the suppression. many works have studied j / suppression in hadron environment with glauber model. but the combination of nucleus absorption and comover mechanism in hadron environment can not explain the abnormal suppression of j / production in pb - pb collision yet

    但是強子環境中的核吸收和同行粒子對j w的相互作用機制結合起來仍不能解釋pbpb碰撞過程中j w的反常壓低,也就是說需要引入新的機制,這可能預示著夸克一膠子等離子體的形成。
  14. Parton 6ascd gti6ov - regge theory, realized in the monte carlo code nexus, provides a consistent approach for hadron - hadron scattering and the initia1 stage of 11ucleus - - nucleus collisioils at ultrarelativistic energies

    與其它模型相比, nexus更為自洽地處理了多重散射,即在幾率計算和粒子產生中一致地處理了pomeron 。
  15. Later this year, the $ 8 - billion science experiment known as the large hadron collider ( lhc ) will start uncovering clues to some of the biggest mysteries in physics

    今年晚些時候,這項耗資八十億美元、名為大型強子對撞機( lhc )的科學實驗將開始陸續發現物理學史上幾個最難解之謎的線索。
  16. 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。
  17. The lund string dynamical model frifiof, luciae model and jpciae model were introduced in the third chapter. luciae model is based on frifiof model, while jpciae model is based on pyth1a. paciae model, a new model based on parton and hadron cascade is being improved and its physical ideas is introduced

    論文的第三章主要介紹了建立在lund弦模型基礎上的強子和d玄級聯的fritiof模型、 luciae模型和jpciae模型,其中luciae模型是建立在frjtiof棋型的基礎上,而jpciae模型是建立在pythia的基礎之上的。
  18. The simplest form of the parton and hadron cascade model, paciae1. 0, is employed to investigate the charge fluctuation of quark matter and the pauli blocking at the partonic stage of ultra - relativistic nucleus - nucleus collisions and its effect on the hadronic final state

    完整部分子和強于級聯模型, paciae還在進一步的完善之中,我們對其物理思想作了較為詳細的介紹,簡單的部分子模型paciaei刀己用來研究電荷漲落和pauli阻塞等問題。當s jeon 、 v
  19. Therefore j / v is the border guard of perturbative quark and gluon and non - perturbative hadron. j / v production can be divided into two phases : cc pairs are produced from initial short - range parton scattering in nucleus - nucleus collision, then the produced cc pairs proceed to evolving into physical bound state

    基於對強子?強子碰撞中j產生的研究,目前人們認為j的產生可分成兩個階段:入射強子和靶強子先通過部分子過程產生cc對,然後cc對再演化為物理的j束縛態。
  20. Whereas, as a crucial input in the color dipole approach, the color dipole cross section is largely unknown in theory, it is necessary for us to compare different hadron - hadron dilepton production processes to test the appalicablity of this approach

    然而,由於色偶極模型中色偶極截面不能從理論上嚴格確定,我們必須對不同強子?強子碰撞輕子對產生過程進行比較,才能檢驗色偶極模型描述drell - yan過程的適用性。
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