中文

结构函数 $xF^{\nu N}_3$ 高扭贡献的确定

高能物理 - 实验 2009-11-07 v1

摘要

我们从 IHEP-JINR 中微子探测器在 IHEP 70 GeV 质子同步加速器聚焦中微子束运行中收集的数据分析中,提取了中微子-核子结构函数 xF3(ν+νˉ)NxF_3^{(\nu+\bar{\nu})N} 的高扭贡献。分析在红外重正化子(IRR)高扭模型框架内进行,以提取模型的归一化参数。从我们数据的 NLO QCD 拟合中,我们得到 IRR 模型归一化参数 Λ32=0.69±0.37 (exp)±0.16 (theor) GeV2\Lambda^2_{3}=0.69\pm0.37~({\rm exp})\pm0.16~({\rm theor})~{\rm GeV}^2。我们还从对 CCFR 数据的类似拟合中得到 Λ32=0.36±0.22 (exp)±0.12 (theor) GeV2\Lambda^2_{3}=0.36\pm0.22~({\rm exp})\pm0.12~({\rm theor})~{\rm GeV}^2。两个结果的平均值为 Λ32=0.44±0.19 (exp) GeV2\Lambda^2_{3}=0.44\pm0.19~({\rm exp})~{\rm GeV}^2

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引用

@article{arxiv.hep-ex/0104013,
  title  = {Determination of the high-twist contribution to the structure function $xF^{\nu N}_3$},
  author = {S. I. Alekhin and V. B. Anykeyev and Y. A. Batusov and A. A. Borisov and N. I. Bozhko and S. A. Bunyatov and S. K. Chernichenko and O. Y. Denisov and R. M. Fachrutdinov and V. N. Goryachev and S. V. Goryachev and M. Y. Kazarinov and M. M. Kirsanov and O. L. Klimov and A. I. Kononov and A. S. Kozhin and A. V. Krasnoperov and V. V. Lipajev and A. I. Mukhin and Y. A. Nefedov and B. A. Popov and S. N. Prakhov and Y. I. Salomatin and V. I. Snyatkov and Y. M. Sviridov and V. V. Tereshchenko and V. L. Tumakov and A. S. Vovenko},
  journal= {arXiv preprint arXiv:hep-ex/0104013},
  year   = {2009}
}

备注

preprint IHEP-01-18, 7 pages, LATEX, 1 figure (EPS)