@article{article50e0cc38, title = {First observation of the doubly charmed baryon}, author = {Mattson, M and Emediato, L and Escobar, Carlos OurĂ­vio and Gouffon, Philippe and Lungov, T and Srivastava, M and Funchal, R. Zukanovich}, year = {2002}, journal = {Physical Review Letters} }