Study of baryon pair production at BESIII

Study of baryon pair production at BESIII
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DOI:
10.22323/1.385.0026
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发表时间:
2021-09
期刊:
Proceedings of 10th International Workshop on Charm Physics — PoS(CHARM2020)
影响因子:
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通讯作者:
Xiongfei Wang
Xiongfei Wang
中科院分区:
其他
文献类型:
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作者:
Xiongfei Wang

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BEPCII对撞机上的BESIII探测器收集了世界上最大的数据集。本文介绍了粲偶素(类)衰变中重子对产生的一些最新结果,包括:(3686)、(3686)、(3686)、(3686)等。𝜓𝜓以及正电子-电子湮灭中的一些重要实验结果,包括对更多粲偶素模的观测,对三重奇异重子极化的测量,对核子形状因子的最精确测量,以及对阈附近重子对产生的更精确研究。这些结果提供了一个丰富的实验室来测试标准模型,如探测夸克模型的局限性和发现强子共振结构的QCD描述的未揭示的方面。
The BESIII detector at BEPCII Collider has collected the world’s largest data sets. Some of recent results on the baryon pair production in charmonium(-like) decays, 𝐽 / 𝜓 , 𝜓 ( 3686 ) , etc., and in the positron-electron annihilation are reported, which covers the observation of more charmonium modes, the measurement of triply-strange baryon polarization, most accurate measurements of nucleon form factor, and more precise studies for baryon pair production near threshold. These results provide a rich laboratory to test the standard model, such as probing the limitation of the quark models and spotting unrevealed aspects of the QCD description of the structure of hadron resonances.