mesons造句

• The numerical analysis shows that the existence of ( superscript-) meson condensate has an obvious influence on the particle fractions of neutron star matter
  研究表明，(上标-)介子凝聚的存在对中子星物质的粒子分布有明显影响，使(上标-)粒子出现推迟，(上标+)粒子出现提前。
• To begin with, the first paragraph analyzes the current status of our trust industry from macro economic background, meson and micro conditions of the industry performance
  发达国家信托业的发展历程了对我国信托业的发展提供了有益借鉴:建立与本国国情相符的信托模式,加强立法,加大业务创新。
• We obtain the mass spectra of heavy mesons by solving salpeter equation and the schrbdinger equation in a unified way, respectively . then, we discuss the effects of relativistic kinetic energy on heavy mesons
  )dinger方程，给出了重介子的能谱，并讨论了相对论动能修正对重介子能谱的影响。
• We obtain the mass spectra of heavy mesons by solving salpeter equation and the schrbdinger equation in a unified way, respectively . then, we discuss the effects of relativistic kinetic energy on heavy mesons
  )dinger方程，给出了重介子的能谱，并讨论了相对论动能修正对重介子能谱的影响。
• In the framework of quarkonia-quarkonia mixing, considering the effect of the flavor-dependent transitions between quarkonia, the new mass relation of a meson nonet is presented
  摘要在介子介子混合的框架下，考虑到夸克偶素间的湮灭跟味道有关这种效应，给出了一种新的介子九重态成员间的质量关系。
• In the frame of gcm, by introducing the chemical potential of baryons in this paper, we have found an effective method to study some properties of tt meson in a nuclear matter with finite density
  在gcm理论框架下通过将化学势引入双定域场和有效作用量，本文找到一种有效的方法研究介子在有限密度核物质中的一些性质。
• In this thesis, we derive a new quark potential by constructing the effective theory of quantum chromodynamics ( qcd ) with dilation inspired by superstring theory and study this new quark potential in heavy mesons sector
  本文构建了一种有伸缩子(dilaton)的量子色动力学(qcd)有效理论，得到了一种新的夸克相互作用势。
• It indicates that a correct mass relation of a meson nonet ( especially for the non ideal-mixing meson nonet ) should incorporate the effect of the flavor-dependent quarkonia annihilation
  这表明，一个正确反映介子九重态（特别是非理想混合的介子九重态）成员间质量关系的公式，应该包含夸克偶素间的湮灭跟味道有关这种修正。
• It indicates that a correct mass relation of a meson nonet ( especially for the non ideal-mixing meson nonet ) should incorporate the effect of the flavor-dependent quarkonia annihilation
  这表明，一个正确反映介子九重态（特别是非理想混合的介子九重态）成员间质量关系的公式，应该包含夸克偶素间的湮灭跟味道有关这种修正。
• The interacting potential among quarks includes the contributions of coulomb-like, confinement and loop-originating correction . the wave functions describing meson and baryon are composed of orbital, color, spin and flavor
  illlertye势描述夸克之间的相互作用，它包含类库仑作用、囚禁作用和源于圈图修正的贡献。
• In the theoretical framework of the relativistic mean field, the influences of ( superscript-) meson condensate on the equation of state and the particle fractions of neutron star matter including delta isobars are studied
  摘要在相对论平均场理论框架下研究了(上标-)介子凝聚对包括共振态的中子星物质状态方程及其粒子分布的影响。
• It is known that the meson is the lightest hadron and hence plays a significant role in the phenomenology of low-to-intermediate-energy nuclear physics as mediator of the long-range part of hadron-hadron interactions
  众所周知，介子这种最轻的强子作为强子-强子相互作用的长程部分的中介，在低中能核物理的研究中扮演了一个很重要的角色。
• By widening the width of gaussian transverse momentum distribution in string fragmentation . luciae reproduced the o mesons rapidity distribution, transverse mass distribution, and also the enhancement factor of o meson in pb-pb relative to p-p collisions
  介子；‘’‘土影响不人，lu1模拟的结果同时大明：通过加宽弦碎裂为叨对的内禀描动量分布的宽度，。
• By widening the width of gaussian transverse momentum distribution in string fragmentation . luciae reproduced the o mesons rapidity distribution, transverse mass distribution, and also the enhancement factor of o meson in pb-pb relative to p-p collisions
  介子；‘’‘土影响不人，lu1模拟的结果同时大明：通过加宽弦碎裂为叨对的内禀描动量分布的宽度，。
• Furthermore, we consider the vacuum color screening correction to cornell potential and find corrected potential gives a better fit to energy levels and mean-square-root ( m . s . r ) radii for heavy mesons, including j and t families
  在此基础上，我们考虑真空色屏蔽效应对cornell势的修正，发现具有色屏蔽效应的势对重介子(j和家族)的能谱给出了更为合理的解释。
• This thesis is organized in two parts : the first part of this thesis focuses on strangeness production at sps energies . the strange baryon and strange meson pro-duction at sps energies are modeled via luciae model which includes the reseat ter-ing
  我们的工作目标主要集中在用建立在强子和弦机制上的高能核反应模型-luciae，模拟wa97和na49实验中的奇异重子和奇异介子产生的数据。
• We calculate the spin-average energy levels of heavy mesons and analyze the influence of model parameters to energy levels . the obtained results are compared with that of other potentials and agree with the available data
  在重介子系统中研究了这个新的夸克势，计算了一些重介子系统的自旋平均能谱，分析了模型参数对能谱的影响，所得能谱与其它势的结果作了比较，并与实验上肯定的数据符合较好。
• A significant difference on the scalar self-energy and effective mass of neutrons in asymmetric nuclear matter, especially in neutron matter, is observed . the difference would result in an unreasonable sigh of the extracted effective couplings for isovector mesons
  利用这样的耦合常数在rmf近似下计算的核物质的结合能与dbhf结果会有偏离，因而得到的核状态方程也会有偏离，如在饱和点处结合能有小于2的偏差。
• Second, we obtain a new quark potential from the effective dilaton-gluon-coupling inspired by superstring theory and devote more effects to understand this new confinement generating mechanism through the investigation of the phenomenological application of this interquark potential in the heavy mesons sector
  其次，由超弦理论启发的伸缩子?胶子有效耦合，给出了一种新的夸克势，并在重介子系统中研究了这个势提供的禁闭机制。
• Very recently, schiller and muether at tubingen university suggested a new decomposition approach of the dbhf g matrix, and used to calculate the nucleon self-energy . they, sepa rate the g matrix into a bare nucleon-nucleon interaction v and correction term a g . the projection method is only applied to the correlation term a g, which is parameterized by four pseudo-mesons . then the nucleon self-energy in the dbhf can be calculated with the g matrix in the relativistic hartree-fock approximation
  裸相互作用部分，即单玻色子交换势v对核子dirac自能结构的贡献可以通过相对论hartree-fock方法得到，只把关联部分用投影方法处理，并参数化为四种具有无穷大质量赝介子的交换，耦合常数与质量的比值是常数，从而关联部分g对核子自能的贡献也可以通过相对论hartree-fock方法求得。