Comparative Study of the Hadronic Production of $B_c$ Mesons

Abstract

The full order ${\alpha }_s^4$ perturbative QCD calculation of the production of $B_c$ mesons at the Tevatron is compared with the fragmentation approximation. The non-fragmentation diagrams, in which two or more quarks and/or gluons can simultaneously be nearly on-shell, are important unless $P_T\gg M_{B_c}$.

Comments: 8 pages, Latex File, Talk given at the American Physical Sociaty, Division of Particles and Fields Meeting, 10-15 August 1996