通过独占 $\phi$ 电子生产研究 H all C 中的奇异 D 项
核实验
2025-12-18 v2 高能物理 - 实验
高能物理 - 唯象学
摘要
我们提出在 H all C 实验中测量 介子接近阈值时的独占电子生产。我们将测量独占 电子生产交叉截面的 |t| 依赖性，该量最近被提出为敏感于奇异 D 项的可观测量。奇异性对总 D 项的贡献目前尚未知晓，不同论据分别支持 D_s 较大、较小，甚至与总 D 项符号相反。我们的探索性测量旨在区分这些假设。如果 D_s 较小，则可利用 电子生产来研究葡萄糖 D 项。此外，该数据集将允许我们进行其他独占介子最终状态的测量，包括首次测量 电子生产以及 和 电子生产的多微分测量。
引用
@article{arxiv.2501.01582,
title = {Studying the Strangeness $D$-Term in Hall C via Exclusive $\phi$ Electroproduction},
author = {H. T. Klest and S. Joosten and H. Szumila-Vance and W. Armstrong and F. A. Flor and B. Kim and M. H. Kim and V. Klimenko and S. Lee and Z. -E. Meziani and C. Peng and N. Pilleux and P. E. Reimer and J. Xie and Z. Xu and M. Żurek and A. Hoghmrtsyan and A. Mkrtchyan and H. Mkrtchyan and V. Tadevosyan and Y. Hatta and P. Markowitz and G. Niculescu and I. Niculescu and A. Camsonne and J. -P. Chen and S. Covrig Dusa and K. Dehmelt and D. Gaskell and J. -O. Hansen and D. W. Higinbotham and D. Mack and M. McCaughan and A. Tadepelli and C. Ayerbe Gayoso and C. E. Hyde and C. Ploen and H. Atac and N. Ifat and S. Shrestha and N. Sparveris and H. Bhatt and W. Li and Z. Yin and M. Paolone and C. Paudel and N. Heinrich and G. Huber and M. Junaid and V. Kumar and A. Postuma and A. Usman and M. Elaasar and J. Datta and D. Biswas and M. Boer and K. Tezgin and S. Kay and D. Androić},
journal= {arXiv preprint arXiv:2501.01582},
year = {2025}
}
备注
Proposal submitted to Jefferson Lab PAC 53 On ArXiv, v1 is the letter-of-intent, v2 is the approved proposal