By comparing with the average value of latest data from some B factories,we find the theoretical branching ratios in SM are too small,but the New Physics effects in TC2 model greatly enhance the branching ratios to improve the consistency of the theoretical predictions with the experimental data.
发现TC2模型下的新物理贡献对企鹅图修正非常明显,对衰变分支比的影响可以达到120%。
The decay J/ψ→φπ0π0 is studied with 7.0 × 10~6 produced J/ψ events collected by the Bening Spectrometer(BES) with the tugger mode senseuve to both chmped and neutral final state at the Bening Electron-Positron Collider(BEPC), The evidences for the existence of fJ(1710) and E(2230) in this channel are presented, and the corresponding masses as wen asthe product branching ratios are obtained.
除了在π~0π~0不变质量谱中看到了众所周知的f_2(1270)外,还证实了f_J(1710)和ξ(2230)的存在,同时给出了它们的质量以及相应的衰变分支比。
In the mean time,several other decay branching ratios are predicted and are in agreement with experiments.
同时,对其他几个衰变分支比进行了预言并发现f0(1370)中|N〉的成分较大,而f0(1500)和f0(1710)更接近于纯胶球态。
Improvedvalues for the branching fractions of XcJ going to π+π-and K+K- are found to beB(Xc0→π+π-)=(4.
同时定出了XcJ(J=0,2)到π+π=和K+K-的衰变分支比。
27×106 produced (2S) events,we have set upper limits at 90% confidence level on the branching fractions into ρπof 3.
27×106ψ(2S)事例研究了末态为矢量介子与赝标量分子的ψ(2S)两体衰变过程,ψ(2S)→ρπ及KK,得到它们的衰变分支比上限在90%置信度下分别为3。
Monte Carlo Study of Branching Ratios Measurement at the τ-pair Production Threshold at BESⅢ
BESⅢ上τ轻子对产生阈附近衰变分支比测量的模拟研究
delayed disintegration
延迟蜕变[衰变,分解]
Half-lives are characteristic properties of the various unstable atomic nuclei and the particular way in which they decay. Alpha decay and Beta decay are generally slower processes than gamma decay.
半衰期是各种不稳定原子核的特性,是它们衰变的特殊方式。α衰变和β衰变一般比γ衰变为慢。
Effect of two stents and one stent apply on the bifurcation lesions of coronary
双支架与单支架治疗分叉病变疗效的比较
To decompose, decay, or undergo a nuclear transformation.
(核的)蜕变;衰变分解、衰变或经历原子核的突变
When the total cycle pump gear shift operation, the flow of the slip road ratio unchanged.
当总循环泵变速运行时,各个支路的流量分配比例保持不变。
Comparative Analysis of the Allergy Factor and Family History in Children with Bronchial Asthma and/or Allergy Rhinitis
儿童支气管哮喘与变应性鼻炎过敏因素及家族变应史对比分析
The Change of Carbohydrate and the Effect of It on the Senescence of Maize Leaves in Source-Sink Alteration in Maize Leaves during Senescence;
不同源库比玉米衰老期间体内营养物质的变化及其对衰老的影响
Comparative Analysis of Uncorrected Rayleigh Fading Channels Models
非相关瑞利衰落信道模型比较与分析
The Analysis of Early Developmental History of Paedology:Take Belgium for Example
儿童学早期兴衰史分析:以比利时为例
D/s=disintegrations per second
每秒衰变数,衰变/秒
The Effect of Altering Source-sink Ratio on Kernel Quality and Leaf Senescence in Peanut;
改变源-库比对花生籽仁品质和叶片衰老的影响
The parent uranium has been partitioned from its decay products.
铀母体与其衰变产物分离。
Artificial and bioartificial liver support systems for acute and acute-on-chronic liver failure: a Meta-analysis
人工肝支持系统治疗肝功能衰竭的Meta分析
Genetic Analysis and Molecular Mapping of Mutants sd-z(t) and pse-z(t) in Rice;
水稻半矮秆和早衰突变体遗传分析与分子定位
The ground will not have time to polarize completely anh the decay will have a smaller amplitude.
地层还来不及充分极化,衰减曲线的幅度将比较
The analysis of Two Song academy s prosperity and decline reason contrasts and its inspires;
两宋书院兴衰原因之分析对比及其启示
Comparison and analysis of near fault horizontal velocity peak value's attenuation relationship
近断层水平速度峰值衰减关系的比较与分析
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