"Total Cross Section for $\gamma\,p\to\{p\bar{p}\}p$" of "Baryon anti-Baryon Photoproduction Cross Sections off the Proton"
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https://www.hepdata.net/record/166688
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资源简介:
Measured total cross section $\sigma(\gamma\,p\to\{p\bar{p}\}p)$ in unit of [nb] with beam energy in the range $3.5 < E_{\gamma} < 11.5~[\mathrm{GeV}]$ with various bin width. The table only includes point-to-point statistical uncertainties. The global systematic uncertainty is 13% (not included in the table), with contributions of 8% from kinematic fitting, 4% from data selection, 5% from flux normalization, 8% from tracking efficiency, 3% from model dependence, and 1% from run-period variations.
本数据集测量了反应$gamma,p o{par{p}}}p$的总截面$sigma$,单位为纳靶恩(nb),对应束流光子能量$E_gamma$的范围为$3.5 < E_gamma < 11.5 mathrm{GeV}$,且采用了多种分箱宽度。本表格仅包含逐点统计不确定度。全局系统不确定度为13%(未纳入表格),其分项贡献分别为:运动学拟合占8%、数据选取占4%、通量归一化占5%、跟踪效率占8%、模型依赖性占3%、运行周期变化占1%。
提供机构:
HEPData
创建时间:
2025-11-17



