
Three Resonances in the Cross Section of e+ e-→π+ π- hc
The BESIII collaboration has reported the observation of three resonant structures in the cross section of e+ e-→π+ π- hc based on precise measurements at center-of-mass energies between 4.01 an...
The BESIII collaboration has reported the observation of three resonant structures in the cross section of e+ e-→π+ π- hc based on precise measurements at center-of-mass energies between 4.01 an...