AI 中文总结
该研究提出nCTEQ26OHF全局分析,用SACOT GM-VFNS替代Crystal-Ball函数计算开放重味产生,所得核子PDFs与nCTEQ26在误差内兼容,表明OHF数据单独即可提供充分约束。
AI 中文摘要
我们提出nCTEQ26OHF,这是在nCTEQ框架内对核子部分子分布函数(nPDFs)的全局分析。在此分析中,与主要的nCTEQ26发布版本不同,我们将Crystal-Ball函数(nCTEQ26中用于开放重味(OHF)和夸克偶素产生的有效矩阵元)替换为用于OHF预测的SACOT GM-VFNS计算。所得的nCTEQ26OHF PDFs在不确定性范围内与nCTEQ26 PDFs兼容,这意味着仅OHF数据就提供了充分的约束。
英文摘要
We present nCTEQ26OHF, a global analysis of nuclear parton distribution functions (nPDFs) within the nCTEQ framework. In this analysis, constrasting the main nCTEQ26 release, we replace the Crystal-Ball function, an effective matrix element that is used in nCTEQ26 for open heavy-flavor (OHF) and quarkonium production, by an SACOT GM-VFNS calculation for the OHF predictions. The resulting nCTEQ26OHF PDFs are compatible with the nCTEQ26 PDFs within uncertainties, implying that the OHF data alone provide ample constraint.
Comments7 pages, 4 figures, submitted to The 33rd International Workshop on Deep Inelastic Scattering and Related Subjects (DIS2026)