期刊
CHINESE PHYSICS LETTERS
卷 38, 期 9, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/0256-307X/38/9/092001
关键词
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资金
- China National Funds for Distinguished Young Scientists [11825503]
- National Key Research and Development Program of China [2020YFA0406400]
- 111 Project [B20063]
- National Natural Science Foundation of China [11975033, 12070131001, 12047501]
In 2012, a study identified a loosely bound molecular state composed of two charmed mesons, which is very close to the D*D threshold with a binding energy of around 0.47 MeV. This prediction was later confirmed by new observations from the LHCb.
In 2012, we investigated the possible molecular states composed of two charmed mesons [Phys. Rev. D 88 (2013) 114008; 2012 arXiv:1211.5007 [hep-ph]]. The D*D system with the quantum numbers of I(J(P) ) = 0(1(+)) was found to be a good candidate of the loosely bound molecular state. This state is very close to the D*D threshold with a binding energy around 0.47 MeV. This prediction was confirmed by the new LHCb observation of T-cc(+) [see Franz Muheim's talk at the European Physical Society conference on high energy physics 2021].
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