Three pulse-shape-discrimination (PSD) methods are applied to study the particle identification (PID) by using CsI(Tl) crystal, especially for identifying light charged particles. The zero-cross time method, fast and ...Three pulse-shape-discrimination (PSD) methods are applied to study the particle identification (PID) by using CsI(Tl) crystal, especially for identifying light charged particles. The zero-cross time method, fast and total component method and signal rise time method are used. The experiment, data analysis and results are compared. Good PID for p, α and γ can be achieved with a CsI(Tl)-photomultiplier assembly.展开更多
JUNA(Jinping Underground laboratory for Nuclear Astrophysics)is planing to measure the 13C(α,n)16O and some other important reactions at or close to stellar energies using intense helium beam out of an ECR driven acc...JUNA(Jinping Underground laboratory for Nuclear Astrophysics)is planing to measure the 13C(α,n)16O and some other important reactions at or close to stellar energies using intense helium beam out of an ECR driven accelerator in Jinping Underground laboratory[1].Deuterium impurity in ion source will produces significant amount of neutrons,limiting the background level.To control the deterium impurity,we have developed a method to measure the deuterium impurity within Helium beam using the d(d,p)t reaction.展开更多
文摘Three pulse-shape-discrimination (PSD) methods are applied to study the particle identification (PID) by using CsI(Tl) crystal, especially for identifying light charged particles. The zero-cross time method, fast and total component method and signal rise time method are used. The experiment, data analysis and results are compared. Good PID for p, α and γ can be achieved with a CsI(Tl)-photomultiplier assembly.
基金National Natural Science Foundation of China(11490564).
文摘JUNA(Jinping Underground laboratory for Nuclear Astrophysics)is planing to measure the 13C(α,n)16O and some other important reactions at or close to stellar energies using intense helium beam out of an ECR driven accelerator in Jinping Underground laboratory[1].Deuterium impurity in ion source will produces significant amount of neutrons,limiting the background level.To control the deterium impurity,we have developed a method to measure the deuterium impurity within Helium beam using the d(d,p)t reaction.
