6.5至 11 GeV 区间总 Compton 散射截面的测量
核实验
2025-07-31 v2 高能物理 - 实验
摘要
我们测量了原子电子上 Compton 散射的总截面，，使用能量在 6.5至 11.1 GeV 之间的光子照射 Be 靶标，作为位于 Jefferson Lab Hall D 的 PrimEx-eta 实验的一部分。这一工作是在该能量范围内对该基本 QED 过程的首次测量。该截面的总不确定性在所有能量区间以平方根方式合并统计与系统误差后，平均为 3.4%。这不仅展示了该实验装置在前向角度上执行精确截面测量的能力，也使我们能够与最先进的 QED 计算进行比较。
引用
@article{arxiv.2505.07994,
title = {Measurement of the Total Compton Scattering Cross Section between 6.5 and 11 GeV},
author = {GlueX Collaboration and F. Afzal and C. S. Akondi and M. Albrecht and M. Amaryan and S. Arrigo and V. Arroyave and A. Asaturyan and A. Austregesilo and Z. Baldwin and F. Barbosa and J. Barlow and E. Barriga and R. Barsotti and D. Barton and V. Baturin and V. V. Berdnikov and T. Black and W. Boeglin and M. Boer and W. J. Briscoe and T. Britton and R. Brunner and S. Cao and E. Chudakov and G. Chung and P. L. Cole and O. Cortes and V. Crede and M. M. Dalton and D. Darulis and A. Deur and S. Dobbs and A. Dolgolenko and M. Dugger and R. Dzhygadlo and D. Ebersole and M. Edo and T. Erbora and P. Eugenio and A. Fabrizi and C. Fanelli and S. Fang and M. Fritsch and S. Furletov and L. Gan and H. Gao and A. Gardner and A. Gasparian and D. I. Glazier and C. Gleason and V. S. Goryachev and B. Grube and J. Guo and L. Guo and J. Hernandez and K. Hernandez and N. D. Hoffman and D. Hornidge and G. M. Huber and P. Hurck and W. Imoehl and D. G. Ireland and M. M. Ito and I. Jaegle and N. S. Jarvis and T. Jeske and M. Jing and R. T. Jones and V. Kakoyan and G. Kalicy and V. Khachatryan and C. Kourkoumelis and A. LaDuke and I. Larin and D. Lawrence and D. I. Lersch and H. Li and B. Liu and K. Livingston and L. Lorenti and V. Lyubovitskij and A. Mahmood and H. Marukyan and V. Matveev and M. McCaughan and M. McCracken and C. A. Meyer and R. Miskimen and R. E. Mitchell and K. Mizutani and P. Moran and V. Neelamana and L. Ng and E. Nissen and S. Orešić and A. I. Ostrovidov and Z. Papandreou and C. Paudel and R. Pedroni and L. Pentchev and K. J. Peters and E. Prather and L. Puthiya Veetil and S. Rakshit and J. Reinhold and A. Remington and B. G. Ritchie and J. Ritman and G. Rodriguez and D. Romanov and K. Saldana and C. Salgado and S. Schadmand and A. M. Schertz and K. Scheuer and A. Schick and A. Schmidt and R. A. Schumacher and J. Schwiening and M. Scott and N. Septian and P. Sharp and V. J. Shen and X. Shen and M. R. Shepherd and J. Sikes and H. Singh and A. Smith and E. S. Smith and D. I. Sober and A. Somov and S. Somov and J. R. Stevens and I. I. Strakovsky and B. Sumner and K. Suresh and V. V. Tarasov and S. Taylor and A. Teymurazyan and A. Thiel and M. Thomson and T. Viducic and T. Whitlatch and N. Wickramaarachchi and Y. Wunderlich and B. Yu and J. Zarling and Z. Zhang and X. Zhou and B. Zihlmann},
journal= {arXiv preprint arXiv:2505.07994},
year = {2025}
}
备注
7 pages, 4 figures, submitted to Physics Letters B