高能e+e-湮没强子多重数的质量关系

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:c2825015
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
利用一个描述强子质量谱成功的夸克模型确定出得到的强子多重数普适质量关系〈n〉=aexp(-bm)中的参数b,发现对于介子、重子是一个普适的常数. 利用这个质量公式给出计算各种粒子多重数的表达式,进而以高能e+e-湮没为例计算出各种粒子多重数与实验以及其他模型做了比较,表明这个没有任何假定的质量关系同样能够解释实验.
其他文献
The self-assembly monolayer (SAM) was prepared with 2-aminoethanethiol (AET) on the gold electrode.A new approach based on potential was first used to control D
In this paper, we give a short proof for the existence of nontrivial choreography solution to the equal-mass three-body problem, which is discovered by Chencine
3月3日,全国政协主席贾庆林代表政协第十一届全国委员会常务委员会向大会作工作报告。贾庆林在回顾2010年工作时表示,我们充分发挥人民政协联系广泛的优势,扩大同香港同胞、澳门
Arachidonic acid (AA) is one of the most important PUFAs (polyunsaturated fatty acids) in human body. A high-yield arachidonic acid-producing strain (mortierell
A tight-binding model describing the xPPP/yPA diblock copolymer has been adopted.The ground states, doping states, configurations, electronic distributions and
This paper presents a new kind of uniform spline curve, named trigonometric polynomial B-splines, over space Ω = span{sini,cost, tk-3,tk-4, …,t, 1} of which k is an arbitrary integer larger than or eq
用二维可积系统的半经典量子化方案和二维无关联振子系统的量子能级与周期轨道之间的对应关系,讨论了一组量子能级之间具有长程关联的内在机制,在二维无关联振子系统中,发现
卫生行政执法中,取缔是经常发生的行政行为,是一种行政强制措施,其执法主体为卫生行政机关;取缔的形式应采取书面形式;取缔的措施包括责令停止违法活动、查封、扣押有关财物
We give a nonlinear symplectic coordinator transformation, which can move the normal frequencies of the lower dimensional torus up to where ω is the frequency
Based on low energy QCD Lagrangian, and using wave function of baryon in [SuSF=(6) O(3)]sym.() Suc(3) quark model, strange meson photoproduction off the proton