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Inclusive J/psi production in Upsilon decay via color-octet mechanisms

M. Napsuciale
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Abstract

Calculations for inclusive J/psi production in Upsilon decay through the color-octet mechanisms b\bar b[^3S_1, 1] -> c \bar c[^{2s+1}L_J, 8] + g are presented. It is shown that these O(alpha^5_sv^4_c) 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 \bar c component inside the J/psi system.

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M. Napsuciale. 1998-03-18. Inclusive J/psi production in Upsilon decay via color-octet mechanisms. https://doi.org/10.1103/physrevd.57.5711

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