D-wave heavy quarkonium production in fixed target experiments

Details D-wave heavy quarkonium production in fixed target experiments D-wave heavy quarkonium production in fixed target experiments

1998-07-10

arxiv.org/abs/hep-ph/9807329v2

Phys.Rev. D59 (1999) 014009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13pages, 4 PS figures, final vertion to appear in PRD

Scientific paper

10.1103/PhysRevD.59.014009

We calculate the $D$-wave heavy quarkonium production at fixed target experiments under the NRQCD factorization formalism. We find that the color octet contributions are two orders of magnitude larger than color-singlet contributions if color-octet matrix elements are taken according to the NRQCD velocity scaling rules. Within the theoretical uncertainties, the prediction for the production rate of $2^{--}$ $D$-wave charmonium state agrees with the preliminary result of E705 and other experiments. Searching for the $1^{--}$ $D$-wave state $\psi(3770)$ is further suggested.

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