利用机器学习解褶积方法通过 H1 探测器测量深度非弹性散射中的轻子-喷注关联
高能物理 - 实验
2022-04-04 v2 高能物理 - 唯象学
摘要
本文给出高动量转移轻子-质子散射中轻子-喷注动量不平衡与方位角关联的首个测量。这些采用 H1 探测器在 HERA 获取的数据，使用无分箱机器学习算法 OmniFold 对探测器效应进行修正，在此首次应用中该算法同时考虑八个观测量。解褶积后的截面与量子色动力学（QCD）中共线或横动量依赖（TMD）因子化框架内的计算以及蒙特卡洛事件生成器进行比较。该测量探测了广泛的 QCD 现象，包括 TMD 部分子分布函数及其在迄今未探索运动学区域中的能量演化。
引用
@article{arxiv.2108.12376,
title = {Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding},
author = {H1 Collaboration and V. Andreev and M. Arratia and A. Baghdasaryan and A. Baty and K. Begzsuren and A. Belousov and A. Bolz and V. Boudry and G. Brandt and D. Britzger and A. Buniatyan and L. Bystritskaya and A. J. Campbell and K. B. Cantun Avila and K. Cerny and V. Chekelian and Z. Chen and J. G. Contreras and L. Cunqueiro Mendez and J. Cvach and J. B. Dainton and K. Daum and A. Deshpande and C. Diaconu and G. Eckerlin and S. Egli and E. Elsen and L. Favart and A. Fedotov and J. Feltesse and M. Fleischer and A. Fomenko and C. Gal and J. Gayler and L. Goerlich and N. Gogitidze and M. Gouzevitch and C. Grab and T. Greenshaw and G. Grindhammer and D. Haidt and R. C. W. Henderson and J. Hessler and J. Hladký and D. Hoffmann and R. Horisberger and T. Hreus and F. Huber and P. M. Jacobs and M. Jacquet and T. Janssen and A. W. Jung and H. Jung and M. Kapichine and J. Katzy and C. Kiesling and M. Klein and C. Kleinwort and H. T. Klest and R. Kogler and P. Kostka and J. Kretzschmar and D. Krücker and K. Krüger and M. P. J. Landon and W. Lange and P. Laycock and S. H. Lee and S. Levonian and J. Lin and K. Lipka and B. List and J. List and W. Li and B. Lobodzinski and E. Malinovski and H. -U. Martyn and S. J. Maxfield and A. Mehta and A. B. Meyer and J. Meyer and S. Mikocki and M. M. Mondal and A. Morozov and K. Müller and B. Nachman and Th. Naumann and P. R. Newman and C. Niebuhr and G. Nowak and J. E. Olsson and D. Ozerov and S. Park and C. Pascaud and G. D. Patel and E. Perez and A. Petrukhin and I. Picuric and D. Pitzl and R. Polifka and S. Preins and V. Radescu and N. Raicevic and T. Ravdandorj and P. Reimer and E. Rizvi and P. Robmann and R. Roosen and A. Rostovtsev and M. Rotaru and D. P. C. Sankey and M. Sauter and E. Sauvan and S. Schmitt and B. A. Schmookler and L. Schoeffel and A. Schöning and F. Sefkow and S. Shushkevich and Y. Soloviev and P. Sopicki and D. South and V. Spaskov and A. Specka and M. Steder and B. Stella and U. Straumann and C. Sun and T. Sykora and P. D. Thompson and D. Traynor and B. Tseepeldorj and Z. Tu and A. Valkárová and C. Vallée and P. Van Mechelen and D. Wegener and E. Wünsch and J. Žáček and J. Zhang and Z. Zhang and R. Žlebčík and H. Zohrabyan and F. Zomer},
journal= {arXiv preprint arXiv:2108.12376},
year = {2022}
}
备注
17 pages, 7 figures, 4 tables, version accepted by PRL