We systematically investigate the mass spectrum,spatial configuration and magnetic moment of the ground and p-wave states[cu][cs]with various color-spin configurations in a multiquark color flux-tube model.Numerical r...We systematically investigate the mass spectrum,spatial configuration and magnetic moment of the ground and p-wave states[cu][cs]with various color-spin configurations in a multiquark color flux-tube model.Numerical results indicate that the state Z_(cs)(4000)^(+)can be described as the compact state[cu][cs]with 1^(3)S1.Its main colorspin configuration is[cu]^(1)^(6c)[cs]^(1)^(6c)and its magnetic moment is 0.73μN.The state Z_(cs)(4220)^(+)can be depicted as the compact state[cu][cs]with 1^(1)P_(1)(or 1^(3)P_(1)).Its main color-spin configuration is[cu]^(0)_(3c)[cs]^(0)_(3c)(or[cu]^(0)_(3c)[cs]^(1)_(3c))and its magnetic moment is 0.12μN(or 0.64μN).The physical state should be the mixture of these two different color-spin configurations and deserves further investigation.In addition,we also predict the properties of the states^(0)_(3c)with other quantum numbers in the model.展开更多
基金supported by the Chongqing Natural Science Foundation(Grant No.cstc2021jcyj-msxm X0078)the Fundamental Research Funds for the Central Universities(Grant No.SWU118111)。
文摘We systematically investigate the mass spectrum,spatial configuration and magnetic moment of the ground and p-wave states[cu][cs]with various color-spin configurations in a multiquark color flux-tube model.Numerical results indicate that the state Z_(cs)(4000)^(+)can be described as the compact state[cu][cs]with 1^(3)S1.Its main colorspin configuration is[cu]^(1)^(6c)[cs]^(1)^(6c)and its magnetic moment is 0.73μN.The state Z_(cs)(4220)^(+)can be depicted as the compact state[cu][cs]with 1^(1)P_(1)(or 1^(3)P_(1)).Its main color-spin configuration is[cu]^(0)_(3c)[cs]^(0)_(3c)(or[cu]^(0)_(3c)[cs]^(1)_(3c))and its magnetic moment is 0.12μN(or 0.64μN).The physical state should be the mixture of these two different color-spin configurations and deserves further investigation.In addition,we also predict the properties of the states^(0)_(3c)with other quantum numbers in the model.