1) fragmentation function
碎裂函数
1.
The pion fragmentation functions are studied in the Field-Feynman recursive model with distinction of Duπ+,Ddπ+ and Dsπ+ , by taking into account the flavor structure in the excitation of the sea quark-antiquark pairs by the initial quarks.
从菲尔德-费曼的叠代模型出发,考虑到入射夸克的味结构,研究了π介子的碎裂函数D_u~π~+,D_d~π~+,和D_s~π~+,并将分析结果和实验数据进行了比较,对K介子的碎裂函数D_s~K~+(z),D_u~K~+(z),D_s~K~+(z)和D_d~K~+(z)作出的预言将被进一步的实验检验。
2.
The flavor dynamic parameter modification of heavy quarks fragmentation function(β distribution function) has been assumed to be equal to its mass effect The experimental dato show that the peak of fragmentation function shifts to ligger z value with the mass of quark.
假定重夸克碎裂函数β-分布的动力学参数味修正与重夸克质量效应等价 ,结合碎裂函数的峰值随重夸克质量的增大而向大 z方向偏移的实验数据 ,计算出重夸克 t、b的质量 ,理论计算结果与实验数据符合较
3.
The neutrino and antineutrino deep inelastic scattering of unpolarized and polarized A and A productions can provide a clean separation of unpolarized and polarized fragmentation functions of a quark into a A, for both light-flavor quarks and antiquarks and also for strange quarks.
利用有非极化和极化的A和A超子产生的中微子和反中微子的深度非弹性散射,可以清晰地测量各种味的夸克变为A超子的各种非极化和极化的碎裂函数,也就是得到了碎裂函数的夸克味分离。
3) string fragmentation function
弦碎裂函数
1.
After considering the energy dependence of the model parameter in string fragmentation function and fitting it to the experimental data of charged multiplicity,the results of meson yield were comparable with experimental data.
采用与能量有关弦碎裂函数 ,并通过与荷电粒子多重数实验数据的比较确定其中的参数后 ,LUCIAE模型给出的介子产额与实验数据也都相近 ,得到的事件平均弦碎裂变量随能量之增趋饱和规律 ,可能是核穿透性能量行为的定性表示 。
4) gluon fragmentation function
胶子碎裂函数
5) Modified Fragmentation Function
修正碎裂函数
6) polarized fragmentation function
极化的碎裂函数
补充资料:碎裂
1.破碎。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条