6533b82cfe1ef96bd1290066
RESEARCH PRODUCT
Observation of the first iso-spin Charmonium-like State $Z_c(4020)$ }
Qing-ping JiYu-ping GuoAi-qiang GuoChun-xu YuZhi-yong Wangsubject
High Energy Physics - Experiment (hep-ex)FOS: Physical sciencesHigh Energy Physics - Experimentdescription
In this paper, we present a new experimental progress in brief on the recent observation of the charged charmonium-like state Z_c(4020)^{+/-} states and its iso-spin partner Z_c(4020)^{0} in pi pi hc process at the BESIII experiment. The charged Z_{c}(4020) is its decay into \pi^{+/-} hc final state, and carries electric charge, thus it contains at least four quarks. The observation of both charge and neutral state makes Z_{c}(4020) the first iso-spin triplet Z_{c} state observed in experiment.
year | journal | country | edition | language |
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2015-04-10 |