In a recent paper[1],the BESIII Collaboration reported the observation of a scalar meson of spin-parity J^(P)=0^(+)with isospin I¼1,branded as a_(0)(1817).The state is seen as a peak in the K0 SKþmass distri...In a recent paper[1],the BESIII Collaboration reported the observation of a scalar meson of spin-parity J^(P)=0^(+)with isospin I¼1,branded as a_(0)(1817).The state is seen as a peak in the K0 SKþmass distribution in the D_(s)^(+)→K_(s)^(0)K^(+)π^(0)decay.Its mass and width are reported as.展开更多
基金supported by the National Natural Science Foundation of China(12175066,11975009,12147219,11975041,and 11735003)supported by the Spanish Ministerio de Economia y Competitividad(MINECO)and European FEDER Funds(FIS2017-84038-C2-1-P B and PID2020-112777 GB-I00)+1 种基金Generalitat Valenciana under Contract PROMETEO/2020/023This project has received funding from the European Union Horizon 2020 Research and Innovation Programme under the Program H2020-INFRAIA-2018-1,Grant agreement No.824093 of the STRONG-2020 project.
文摘In a recent paper[1],the BESIII Collaboration reported the observation of a scalar meson of spin-parity J^(P)=0^(+)with isospin I¼1,branded as a_(0)(1817).The state is seen as a peak in the K0 SKþmass distribution in the D_(s)^(+)→K_(s)^(0)K^(+)π^(0)decay.Its mass and width are reported as.
