Progress of Jinping Underground laboratory for Nuclear Astrophysics（JUNA）

Jinping Underground laboratory for Nuclear Astrophysics（JUNA） will take the advantage of the ultra-low background of CJPL lab and high current accelerator based on an ECR source and a highly sensitive detector to directly study for the first time a number of crucial reactions occurring at their relevant stellar energies during the evolution of hydrostatic stars. In its first phase, JUNA aims at the direct measurements of（25）Mg（p,γ）（26）Al,（19）F（p,α）（16）O,（13）C（α,n）（16）O and （12）C（α,γ）（16）O reactions. The experimental setup,which includes an accelerator system with high stability and high intensity, a detector system, and a shielding material with low background, will be established during the above research. The current progress of JUNA will be given.