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夸克
相关语句
  quark
     Binding Energy of Light Double Hypernuclei _(ΛΛ)~6He,_(ΛΛ)~5He, _(ΛΛ)~5H,_(ΛΛ) ~4He和_(ΛΛ)~4H in Chiral SU(3) Quark Model
     利用手征SU(3)夸克模型研究轻双Λ超核_(ΛΛ)~6He,_(ΛΛ)~5He, _(ΛΛ)~5H,_(ΛΛ) ~4He和_(ΛΛ)~4H的结合能
短句来源
     Decays of D_(sj)~*(2317) and D_(sj)(2460) Mesons in the Quark Model
     夸克模型中的D_(sj)~*(2317),D_(sj)(2460)衰变(英文)
短句来源
     Study about the Binding Energy of Light Hypernuclei _Λ~5He,_Λ~4He and _Λ~4 H Based on Chiral SU(3) Quark Model
     利用手征SU(3)夸克模型研究轻超核_Λ~5He,_Λ~4He和_Λ~4H的结合能
短句来源
     If this possibility stands, we shall have Γ_ξ= 1.1 keV, Br(ξ→K~+K~-)~l/5 and a heavy quark (m>75GeV).
     如果这个可能性成立,要求Γ_§=1.1keV,Br(§→K+K~-)~1/5和存在重的夸克(m>75GeV)。
短句来源
     Ω Bound State in SU (3) Quark Model
     SU(3)夸克模型中的Ω束缚态
短句来源
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  quarks
     Our calculated results on the mixed condensates lead to quark virtualities of λ2_ u,d =0.7GeV2 for u,d quarks, and λ2_s=1.6GeV2 for s quark which are consistent with other’s calculations using completely different methods.
     计算表明上夸克与下夸克的虚度为λ2u,d=0.7GeV2,奇异夸克的虚度为λ2s=1.6GeV2.这些结果与许多用完全不同的方法得到的结果一致.
短句来源
     In this paper, we analyse the spatial overlapping behavior of sea quarks of neighboring nucleons in nuclei in the small x region and give a relation between the nuclear shadowing factor R(x, Q~2, A) and the spatial overlapping factor △V_Λ(x)/V_Λ(x).
     本文分析了小x区原子核内邻近核子间海夸克空间重叠行为,给出了核遮蔽因子R(x,Q~2,A)与空间重叠程度因子△V_Λ(x)/V_Λ(x)的关系.
短句来源
     SOME DISCUSSIONS ON THE SU(3)×U(1) ELECTRO-WEAK UNIFIED MODEL OF LEPTONS AND QUARKS
     关于SU(3)×U(1)轻子和夸克弱电统一模型的一些讨论
短句来源
     A composite degrees of freedom model of leptons and quarks is proposed. Assuming the internal degrees of freedom of leptons and quarks are described by SO_8SU_2SU_2~ASU_2~BSU_2~C.
     本文提出了一个关于轻子与夸克的复合自由度模型,认为描述其内部自由度的群是SO_3SU_2SU_2~ASU_2~BSU_2~C。
短句来源
     Two kinds of SU(3)_(sc)×SU(N) composite models (the model A and model B) of quarks and leptons are suggested to solve the family problem.
     为了解决夸克和轻子的家族问题,本文提出两类SU(3)_(sc)×SU(N)复合模型(模型A和B)。
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  “夸克”译为未确定词的双语例句
     A Possible Model of [SU(2)L×U(1)]WS×U (1)_Ⅱ~2 with Full Quark-lepton Correspondence
     一种可能的轻子与夸克完全对应的[SU(2)_L×U(1)]_(ws)×U(1)_Ⅱ~2模型
短句来源
     Relativistic correction of heavy quarkonium spectra were analysed with a phenomenological confinement potenlial of the form U_c(r)=1/2kr~2+λ_1r~4+λ_2r~6+C.
     本文计算了以U_c(r)=1/2×kr~2+λ_1r~4+λ_2r~6+C为囚禁势的重夸克偶素能谱的相对论修正。
短句来源
     qq→qq Reaction in Quark-Gluon Matter
     夸克胶子物质内的qq→qq反应
短句来源
     Constituent-Quark Model of Nucleon and O+U→μμ+X Processes
     核子的组分夸克模型与O+U→μμ+X过程
短句来源
     The Heavy Quarkonium Spectrum of Confinement potential with the Form Vc(r)=(1/2)kr~2+λr~6+c
     以Vc(γ)=(1/2)kγ~2+λγ~6+C为囚禁势的重夸克偶素能谱
短句来源
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  quark
Based on the Dyson-Schwinger Equations (DSEs) of QCD in the "rainbow" approximation, the fully dressed quark propagator Sf(p) is investigated, and then an algebraic parametrization form of the propagator is obtained as a solution of the equations.
      
The dressed quark amplitudes Af and Bf which built up the fully dressed quark propagator, and the dynamical running masses Mf, which is defined by Af and Bf for light quarks u, d and s, are calculated, respectively.
      
Using the predicted current masses mf, quark local vacuum condensates, and our predicted value of pion decay constant, the masses of Goldstone bosons K, π and η and their in-medium values are also evaluated.
      
The numerical results show that the mass of quark is dependent of its momentum p2.
      
The fully dressed quark amplitudes Af and Bf have correct behaviors and can be used for many purposes in our future researches on non-perturbative QCD.
      
更多          
  quarks
The dressed quark amplitudes Af and Bf which built up the fully dressed quark propagator, and the dynamical running masses Mf, which is defined by Af and Bf for light quarks u, d and s, are calculated, respectively.
      
The couplings of the charged Higgs bosons to leptons and quarks are given.
      
We show that Yukawa couplings of H2± to ordinary leptons and quarks are lepton-number violating.
      
A compact formula is obtained for the differential decay width of a B meson in terms of the corresponding decay width of a free b quark and the wave function of the internal motion of the quarks in the B meson.
      
A new approach to the effective theory of quarks in the instanton vacuum is presented.
      
更多          


In this paper a new bag model of hadrons,the“Rubber Bag”model,is proposed.This model treats each hadron as a bag system in the centre-of-mass frame.The bag,with its outer radius R_e and inner radius(R_c-D),is characterized by its“averagesurface tension”T and the quarks are confined in it“temporarily”.This model isa field theoretical model which can also be used for quantitative calculations.Thus,ithas the merits of the SLAC bag model as well as those of the MIT bag model.

本文提出一种新的强子袋模型(“橡皮袋”模型).根据这个模型,在质心系中,强子可以形象地看作为一个外半径为 R_c,“壁厚”为 D,“平均表面张力”为T 的口袋体系;夸克被“暂时”禁闭在袋内.这个模型兼有 MIT 和 SLAC 二种袋模型的优点,它既有场论基础,又能用来进行定量计算.

A statistical quark model is proposed which combines the quark model with thestatistical thermodynamical model.The relative multiplicity of different mesonsproduced in the small longitudinal momentum region is calculated.The resultis in agreement with the experimental data.

本文提出了一种统计夸克模型,将夸克模型和统计热力学模型结合在一起,计算了小纵动量区域内产生的各种介子的相对多重性,得到了同实验一致的结果.

Treating Lee Model by Slac method,we find that,to state (?) of one particle

本文用 Slac 方法处理了李模型,结果表明,对应于李模型中单粒子和双粒子束缚态的精确解都有一个口袋模型解.后者与前者的差别,在能量上主要是将耦合常数由 g 修正为 g/(e/~(1/2)).就波场而言,“口袋”的形式能够与θ粒子场的精确解相对应.但对于费米粒子(N,V)的场,则与精确解差别较大,出现了δ-函数形式的束缚.我们认为 Bardeen、Rafelski 等人所说的夸克的“表皮束缚”(Skin confinement)是与这里用相干态近似求得的单粒子态中的δ函数型束缚相对应的,因而它可能并不代表量子场论方程式精确解的物理图象.

 
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