Precision Measurements of theΛc+andD0Lifetimes

A. Kushnirenko, G. Alkhazov, A. G. Atamantchouk, M. Y. Balatz, N. F. Bondar, P. S. Cooper, L. J. Dauwe, G. V. Davidenko, U. Dersch, A. G. Dolgolenko, G. B. Dzyubenko, R. Edelstein (+93 others)
2001 Physical Review Letters  
We report new precision measurements of the lifetimes of the Lambda_c+ and D0 from SELEX, the charm hadro-production experiment at Fermilab. Based upon 1630 Lambda_c+ and 10210 D0 decays we observe lifetimes of tau[Lambda_c+] = 198.1 +- 7.0 +- 5.6 fs and tau[D0] = 407.9 +- 6.0 +- 4.3 fs
doi:10.1103/physrevlett.86.5243 pmid:11384468 fatcat:cbfozu3d5zhkbe5mdexmomyc44