Discovery potentials of doubly charmed baryonsSupported by National Natural Science Foundation of China (11505083, 11505098, 11647310, 11575110, 11375208, 11521505, 11621131001, 11235005, 11447032, U1732101) and Natural Science Foundation of Shanghai (15DZ2272100)
Fu-Sheng Yu (Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China, School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China); Hua-Yu Jiang (Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China, School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China); Run-Hui Li (School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China); Cai-Dian Lü (Institute of High Energy Physics, Chinese Academy of Sciences, YuQuanLu 19B, Beijing 100049, China, School of Physics, University of Chinese Academy of Sciences, YuQuanLu 19A, Beijing 100049, China); Wei Wang (INPAC, Shanghai Key Laboratory for Particle Physics and Cosmology, School of Physics and Astronomy, Shanghai Jiao-Tong University, Shanghai 200240, China, School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China); et al - Show all 6 authors
The existence of doubly heavy flavor baryons has not been well established experimentally so far. In this Letter we systematically investigate the weak decays of the doubly charmed baryons, and , which should be helpful for experimental searches for these particles. The long-distance contributions are first studied in the doubly heavy baryon decays, and found to be significantly enhanced. Comparing all the processes, and are the most favorable decay modes for experiments to search for doubly heavy baryons.
