中性介子 meaning in English
neutral meson
neutretto
Examples
- One of the major goal of phos is to detect and identify direct photons , represent only about 5 to 20 % of the total photon yield . the photon background mainly comes from 0 and decays and misidentified hadrons
Alice的光子谱仪phos ( photonspectrometer )用于研究高能光子， phos的作用是：一，区分光子和其他粒子；二，区分直接光子和中性介子衰变产生的光子。