There are no known vector charmonium states that match these new observation.
以上观测与已知的粲偶素粒子性质不同,可能是新的粲偶素态,也可能是粲偶素混杂态,或者由其他未知的动力学原因造成。
Recent results from BES and CLEOc experiments on hadron spectroscopy and charmonium decays using J/ψ,ψ and ψ" data samples collected in e+e- annihilation are reviewed, including the study of the scalar particles in J/ψ radiative and hadronic decays, as well as in ψ and Xco hadronic decays, and the study of the "ρπ puzzle" in J/ψ, ψ , and ψ" decays.
回顾了近期BES和CLEOc利用正负电子对撞机采集的J/ψ,ψ’和ψ”数据得到的强子谱与粲偶素衰变方面的部分研究结果。
Using the world′s largest sample of Ψ(2S) events collected at the Beijing Electron\|Positron Collider, extensive studies on all 6 charmonium states below charm threshold have been conducted.
在北京正负电子对撞机上采集了Ψ (2S)粒子大数据样本 ,开展了粲偶素物理的广泛研究 :完成了 6个粲偶素涉及质量、宽度和衰变分支比等大批重要参数的首次测量或高精度测量 ;通过对Ψ(2S)和J Ψ强衰变性质的比较研究 ,观察到一系列反常现象 ,挑战现有理论图像 。
The theoretical explanations about the“ρπpuzzle”in charmonium decays are reviewed extensively, and the comparison of theoretical predications with experimental data is made whenever possible.
详细回顾并广泛评论了粲偶素衰变过程中有关ρπ疑难的各种理论解释和探讨。
Because under the RHIC energy,the dominant charmonium production process is gluon fusion process,comparing our result with the future experiment data of PHENIX the gluon .
在RHIC能量下,最主要的粲夸克偶素产生过程是胶子融合。
Recent experimental results obtained at Beijing Electron-proton Collider sensitivity level the crisply defined natrue of the hadronic decay puzzle in charmonium physics.
北京正负电子对撞机上的最新实验研究结果在高灵敏度水平上展现了粲夸克偶素物理中的强衰变之谜。
Re-discussion of the Color-Spin Mechanism of X(3872) as a Charmed Tetraquark
关于X(3872)作为粲夸克偶素类四夸克态的色旋机制的进一步讨论
The Study of Charmonium Decaying into Baryon-antibaryon Pairs and Its Monte-Carlo Generator;
粲夸克偶素的重子对衰变及其蒙特卡罗产生子的研究
Exclusive Decay of P-wave Bottomonium into Double J/Ψ
P波底夸克偶素遍举衰变到双J/Ψ
Multi-order corrections of variational-integral perturbation for heavy quarkonium
重夸克偶素的高阶变分-积分微扰修正
Study Bottomium Production and Polarization with CMS Experiment
利用CMS实验研究底夸克偶素的产生和极化
Lepton Angular Distribution in Unpolarized e~+e~-→(?) and CP-violating Top Dipole Couplings of the Top Quark;
非极化e~+e~-→(?)过程轻子角分布与Top夸克CP破坏偶极耦合研究
If p is a prime, then when ??is divided by p, the remainder is 2.
若P是一个素数,则?粲?除的余数是2。
Quark Propagator, QCD Vacuum Condensates and Quark Virtuality;
夸克传播子、QCD真空凝聚和夸克虚度
Spectroscopy for the Bound States of a Top Squark(?) and a Heavy Quark;
顶超对称夸克(?)与重夸克的束缚态质谱
The Wakashan language of the Kwakiutl.
夸扣特尔语夸克特尔人讲的瓦卡希语
No need to be quite so dramatic, Dick!
没必要那么夸张吧,迪克!
(high energy physics) the kinds of quarks.
(高能物理学)夸克的分类。
Exotic pentaquark and 5-quark components in baryons
奇特的“五夸克态”和重子中的五夸克成分*
Tetraquark Masses in a Relativistic Quark Model;
四夸克态质量的相对论性夸克模型研究
Cloning removes the chance element from the lottery of reproduction.
克隆排除了繁殖这种全靠碰运气的事儿的偶然因素。
But since the end of the communist era, Honecker portraits can usually only be seen hanging for laughs in east German bars.
但从共党时代结束后,何内克的肖像通常只有在德东的酒吧,为博君一粲才得见悬挂。
a grandiloquent and boastful manner; overblown oratory; a pompous speech; pseudo-scientific gobbledygook and pontifical hooey- Newsweek.
浮夸吹嘘的态度;夸张的演讲;夸张的演讲;夸张的官样文章和仪典书似的的胡说八道-纽斯韦克。
Consequently, the collision of a quark in one particle with a quark in another resembles a collision of two free quarks.
因此,一个粒子中的一个夸克与另一个粒子中的一个夸克碰撞。 类似于两个自由夸克的碰撞。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号