中子上的 $K^{0}\Lambda$ 与 $K^{0}\Sigma^0$ 光生中的束-靶螺旋度不对称性 $E$
核实验
2018-10-24 v2
摘要
我们报道了在 1.702.34 GeV 能量范围内，针对 和 通道的 束-靶螺旋度不对称性的首次测量。杰斐逊实验室的 CLAS 系统使用圆偏振光子束和由纵向极化的固态氢氘化物组成的、具有低本底污染的目标进行上述测量。采用提升决策树的多变量分析方法隔离目标反应。给出了与 KaonMAID、SAID 和 Bonn-Gatchina 模型预测的比较。这些结果将有助于分离赝标量介子光生中的同位旋 与 光耦合跃迁振幅。
引用
@article{arxiv.1805.04561,
title = {Beam-Target Helicity Asymmetry $E$ in $K^{0}\Lambda$ and $K^{0}\Sigma^0$ Photoproduction on the Neutron},
author = {CLAS Collaboration and D. H. Ho and R. A. Schumacher and A. D'Angelo and A. Deur and J. Fleming and C. Hanretty and T. Kageya and F. J. Klein and E. Klempt and M. M. Lowry and H. Lu and V. A. Nikonov and P. Peng and A. M. Sandorfi and A. V. Sarantsev and I. I. Strakovsky and N. K. Walford and X. Wei and R. L. Workman and K. P. Adhikari and S. Adhikari and D. Adikaram and Z. Akbar and J. Ball and L. Barion and M. Bashkanov and C. D. Bass and M. Battaglieri and I. Bedlinskiy and A. S. Biselli and W. J. Briscoe and S. Boiarinov and V. D. Burkert and F. Cao and D. S. Carman and A. Celentano and S. Chandavar and G. Charles and P. Chatagnon and T. Chetry and G. Ciullo and B. A. Clary and P. Cole and M. Contalbrigo and V. Crede and R. De Vita and M. Defurne and S. Diehl and C. Djalali and R. Dupre and H. Egiyan and M. Ehrhart and A. El Alaoui and L. El Fassi and P. Eugenio and G. Fedotov and S. Fegan and R. Fersch and A. Filippi and A. Fradi and Y. Ghandilyan and K. L. Giovanetti and F. X. Girod and W. Gohn and E. Golovatch and R. W. Gothe and K. A. Griffioen and M. Guidal and K. Hafidi and H. Hakobyan and N. Harrison and M. Hattawy and D. Heddle and K. Hicks and M. Holtrop and Y. Ilieva and D. G. Ireland and B. S. Ishkhanov and E. L. Isupov and D. Jenkins and H. S. Jo and S. Johnston and M. L. Kabir and D. Keller and G. Khachatryan and M. Khachatryan and M. Khandaker and A. Kim and W. Kim and A. Klein and V. Kubarovsky and V. Laine and L. Lanza and P. Lenisa and K. Livingston and I . J . D. MacGregor and D. Marchand and N. Markov and M. Mayer and B. McKinnon and C. A. Meyer and M. Mirazita and V. Mokeev and R. A. Montgomery and A Movsisyan and C. Munoz Camacho and P. Nadel-Turonski and S. Niccolai and G. Niculescu and T. O'Connell and M. Osipenko and A. I. Ostrovidov and M. Paolone and R. Paremuzyan and K. Park and E. Pasyuk and O. Pogorelko and J. W. Price and Y. Prok and D. Protopopescu and M. Rehfuss and M. Ripani and D. Riser and A. Rizzo and G. Rosner and F. Sabatié and C. Salgado and Y. G. Sharabian and Iu. Skorodumina and G. D. Smith and D. I. Sober and D. Sokhan and N. Sparveris and S. Strauch and M. Taiuti and J. A. Tan and M. Ungaro and H. Voskanyan and E. Voutier and R. Wang and D. P. Watts and L. B. Weinstein and C. S. Whisnant and M. H. Wood and N. Zachariou and J. Zhang and Z. W. Zhao and I. Zonta},
journal= {arXiv preprint arXiv:1805.04561},
year = {2018}
}
备注
14 pages, 9 figures; Revised to match published version