ψ′-photoproduction in NRQCD factorization approach (基研研究会「新時代を迎えてのフレーバー物理」)
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概要
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We have calculated the cross section of ψ' photoproduction at small-p_T regions in polarized γp collisions for testing the color-octet model, which is based on NRQCD factorization formalism. We show that the measurement of the two-spin asymmetry of this process might be effective to constrain the value of NR.QCD matrix elements, though it depends on the polarized gluon distribution Δg(x).
- 素粒子論グループ 素粒子研究編集部の論文
- 1999-10-20
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関連論文
- 6p-K-12 Leptoproduction of ψ'within the color-octet model
- 6p-K-11 大きなpr領域でのψ'生成とcolor-octet mechanism
- Low-pT ψ′ Production due to Color-Octet Mechanism (地域スク-ル報告 13th Sanyo Summer Institute(第13回SSI)--第13回山陽夏の学校)
- ψ′-photoproduction in NRQCD factorization approach (基研研究会「新時代を迎えてのフレーバー物理」)