Inclusive J/psi production in Upsilon decay via color-octet mechanisms
M. Napsuciale
Abstract
Calculations for inclusive J/psi production in Upsilon decay through the color-octet mechanisms b b[3S1, 1] -> c c[2s+1LJ, 8] + g are presented. It is shown that these O(alpha5sv4c) contributions compete with other color-octet mechanisms considered in the literature. A critical numerical analysis of the color-octet contributions to Upsilon -> J/psi + X shows that further work in this channel, both theoretical and experimental, is necessary in order to clearly understand the significance of the color-octet component of the c c component inside the J/psi system.
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