机译:D0→π+π-衰减中不可分解的贡献
Department of Physics, Huaibei Coal Industry Teacher's College, Huaibei 235000, China;
Institute of Physics, Nankai University, Tianjin 300071, China;
Department of Physics, Huaibei Coal Industry Teacher's College, Huaibei 235000, China;
Institute of High Energy Physics, Beijing 100039, China;
D meson decay; soft-gluon effects; branching ratio;