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arXiv 0710.4897hep-ph
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中微子深度非弹性散射的核PDF

Nuclear PDFs from neutrino deep inelastic scattering

I. Schienbein, J. Y. Yu, C. Keppel, J. G. Morfin, Fredrick I. Olness, J. F. Owens

摘要:

本文在部分子分布函数的chi ^2分析框架下研究了带电流中微子-铁深度非弹性散射中的核效应。我们提取了一组铁PDF,并表明在合理的假设下,有可能约束的价,光海和奇怪的夸克分布。我们的铁PDF被用来计算x_{Bj}依赖的和Q^2依赖的铁结构函数的核校正因子,这是在自由核子PDF的全局分析中所需要的。我们比较了我们的结果与中微子核散射模型的核修正因子和带电轻子铁散射的修正因子。我们发现,除了非常高的x_{Bj},我们的校正因子的形状和大小不同的模型和带电轻子散射的校正因子。

英文摘要:

We study nuclear effects in charged current deep inelastic neutrino-iron scattering in the frame-work of a chi^2 analysis of parton distribution functions. We extract a set of iron PDFs and show that under reasonable assumptions it is possible to constrain the valence, light sea and strange quark distributions. Our iron PDFs are used to compute x_{Bj}-dependent and Q^2-dependent nuclear correction factors for iron structure functions which are required in global analyses of free nucleon PDFs. We compare our results with nuclear correction factors from neutrino-nucleus scattering models and correction factors for charged lepton-iron scattering. We find that, except for very high x_{Bj}, our correction factors differ in both shape and magnitude from the correction factors of the models and charged-lepton scattering.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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