Decoding the double heavy tetraquark state Tcc+  

解码双重四夸克态T_(cc)^(+)

作　　者：Cheng-Rong Deng Shi-Lin Zhu 邓成荣;朱世琳(School of Physical Science and Technology,Southwest University,Chongqing 400715,China;School of Physics and Center of High Energy Physics,Peking University,Beijing 100871,China)

机构地区：[1]School of Physical Science and Technology,Southwest University,Chongqing 400715,China [2]School of Physics and Center of High Energy Physics,Peking University,Beijing 100871,China

出　　处：《Science Bulletin》2022年第15期1522-1525,共4页科学通报（英文版）

基　　金：partly supported by the National Natural Science Foundation of China(11975033 and 12070131001);Chongqing Natural Science Foundation(cstc2019jcyj-msxm X0409);Fundamental Research Funds for the Central Universities(SWU118111)。

摘　　要：Recently,the LHCb Collaboration reported the doubly charmed state T^(+)with IJ^(P)=01^(+)in the D^(0)^(0)π^(+) invariant mass spectrum[1].Its extremely small binding energy and width can match very well with the prediction of the DD*molecular state[2,3].

关 键 词：INVARIANT 四夸克态 STATE 

分 类 号：O572.33[理学—粒子物理与原子核物理]