supported by National Natural Science Foundation of China(No.11975261)。
In order to support the physical research on the EAST tokamak,a new positive ion source with designed beam energy of 120 keV was proposed to be developed.Accelerator structure is one of the key components of the ion s...
Supported by the Talent Scientific Start-Up Project of China;the Natural Science Foundation of China(12175134,12375101,12090060,12090064,12247141);the SJTU Double First Class start-up fund(WF220442604);the World Premier International Research Center Initiative(WPI Initiative),MEXT,Japan。
The féeton is the gauge boson of the U(1)_(B−L) gauge theory.If the gauge coupling constant is extremely small,the féeton becomes a candidate for dark matter.We show that its decay to a pair of an electron and a pos...