QCD 中非线性胶子效应的证据及其在 STAR 上的 $A$ 依赖性
核实验
2022-08-24 v2 高能物理 - 实验
高能物理 - 理论
核理论
摘要
STAR 合作组报道了在质心能量 200 GeV 的 +、Al 和 Au 碰撞中，于前向赝快度 () 产生的背对背方位角关联的双- 的测量。我们观察到与 + 数据相比，Al 和 Au 碰撞中背对背 对的关联产额有明显压低。观测到的背对背对的压低作为横动量的函数，暗示了在高部分子密度下出现的非线性胶子动力学。在 Au 相对于 Al 碰撞中发现的更大压低，展示了饱和尺度 对质量数 的依赖性。观测到压低随 的线性标度，斜率为 。
引用
@article{arxiv.2111.10396,
title = {Evidence for Nonlinear Gluon Effects in QCD and their $A$ Dependence at STAR},
author = {STAR Collaboration and M. S. Abdallah and B. E. Aboona and J. Adam and L. Adamczyk and J. R. Adams and J. K. Adkins and G. Agakishiev and I. Aggarwal and M. M. Aggarwal and Z. Ahammed and A. Aitbaev and I. Alekseev and D. M. Anderson and A. Aparin and E. C. Aschenauer and M. U. Ashraf and F. G. Atetalla and G. S. Averichev and V. Bairathi and W. Baker and J. G. Ball Cap and K. Barish and A. Behera and R. Bellwied and P. Bhagat and A. Bhasin and J. Bielcik and J. Bielcikova and I. G. Bordyuzhin and J. D. Brandenburg and A. V. Brandin and X. Z. Cai and H. Caines and M. Calderón de la Barca Sánchez and D. Cebra and I. Chakaberia and P. Chaloupka and B. K. Chan and F-H. Chang and Z. Chang and A. Chatterjee and S. Chattopadhyay and D. Chen and J. Chen and J. H. Chen and X. Chen and Z. Chen and J. Cheng and S. Choudhury and W. Christie and X. Chu and H. J. Crawford and M. Csanád and M. Daugherity and T. G. Dedovich and I. M. Deppner and A. A. Derevschikov and A. Dhamija and L. Di Carlo and L. Didenko and P. Dixit and X. Dong and J. L. Drachenberg and E. Duckworth and J. C. Dunlop and J. Engelage and G. Eppley and S. Esumi and O. Evdokimov and A. Ewigleben and O. Eyser and R. Fatemi and F. M. Fawzi and S. Fazio and C. J. Feng and Y. Feng and E. Finch and Y. Fisyak and A. Francisco and C. Fu and C. A. Gagliardi and T. Galatyuk and F. Geurts and N. Ghimire and A. Gibson and K. Gopal and X. Gou and D. Grosnick and A. Gupta and W. Guryn and A. Hamed and Y. Han and S. Harabasz and M. D. Harasty and J. W. Harris and H. Harrison and S. He and W. He and X. H. He and Y. He and S. Heppelmann and S. Heppelmann and N. Herrmann and E. Hoffman and L. Holub and C. Hu and Q. Hu and Y. Hu and H. Huang and H. Z. Huang and S. L. Huang and T. Huang and X. Huang and Y. Huang and T. J. Humanic and D. Isenhower and M. Isshiki and W. W. Jacobs and C. Jena and A. Jentsch and Y. Ji and J. Jia and K. Jiang and X. Ju and E. G. Judd and S. Kabana and M. L. Kabir and S. Kagamaster and D. Kalinkin and K. Kang and D. Kapukchyan and K. Kauder and H. W. Ke and D. Keane and A. Kechechyan and M. Kelsey and Y. V. Khyzhniak and D. P. Kikoła and B. Kimelman and D. Kincses and I. Kisel and A. Kiselev and A. G. Knospe and H. S. Ko and L. Kochenda and A. Korobitsin and L. K. Kosarzewski and L. Kramarik and P. Kravtsov and L. Kumar and S. Kumar and R. Kunnawalkam Elayavalli and J. H. Kwasizur and R. Lacey and S. Lan and J. M. Landgraf and J. Lauret and A. Lebedev and R. Lednicky and J. H. Lee and Y. H. Leung and N. Lewis and C. Li and C. Li and W. Li and X. Li and Y. Li and X. Liang and Y. Liang and R. Licenik and T. Lin and Y. Lin and M. A. Lisa and F. Liu and H. Liu and H. Liu and P. Liu and T. Liu and X. Liu and Y. Liu and Z. Liu and T. Ljubicic and W. J. Llope and R. S. Longacre and E. Loyd and T. Lu and N. S. Lukow and X. F. Luo and L. Ma and R. Ma and Y. G. Ma and N. Magdy and D. Mallick and S. L. Manukhov and S. Margetis and C. Markert and H. S. Matis and J. A. Mazer and N. G. Minaev and S. Mioduszewski and B. Mohanty and M. M. Mondal and I. Mooney and D. A. Morozov and A. Mukherjee and M. Nagy and J. D. Nam and Md. Nasim and K. Nayak and D. Neff and J. M. Nelson and D. B. Nemes and M. Nie and G. Nigmatkulov and T. Niida and R. Nishitani and L. V. Nogach and T. Nonaka and A. S. Nunes and G. Odyniec and A. Ogawa and S. Oh and V. A. Okorokov and K. Okubo and B. S. Page and R. Pak and J. Pan and A. Pandav and A. K. Pandey and Y. Panebratsev and P. Parfenov and A. Paul and B. Pawlik and D. Pawlowska and C. Perkins and J. Pluta and B. R. Pokhrel and J. Porter and M. Posik and V. Prozorova and N. K. Pruthi and M. Przybycien and J. Putschke and H. Qiu and A. Quintero and C. Racz and S. K. Radhakrishnan and N. Raha and R. L. Ray and R. Reed and H. G. Ritter and M. Robotkova and O. V. Rogachevskiy and J. L. Romero and D. Roy and L. Ruan and A. K. Sahoo and N. R. Sahoo and H. Sako and S. Salur and E. Samigullin and J. Sandweiss and S. Sato and W. B. Schmidke and N. Schmitz and B. R. Schweid and F. Seck and J. Seger and R. Seto and P. Seyboth and N. Shah and E. Shahaliev and P. V. Shanmuganathan and M. Shao and T. Shao and R. Sharma and A. I. Sheikh and D. Y. Shen and S. S. Shi and Y. Shi and Q. Y. Shou and E. P. Sichtermann and R. Sikora and J. Singh and S. Singha and P. Sinha and M. J. Skoby and N. Smirnov and Y. Söhngen and W. Solyst and Y. Song and H. M. Spinka and B. Srivastava and T. D. S. Stanislaus and M. Stefaniak and D. J. Stewart and M. Strikhanov and B. Stringfellow and A. A. P. Suaide and M. Sumbera and B. Summa and X. M. Sun and X. Sun and Y. Sun and Y. Sun and B. Surrow and D. N. Svirida and Z. W. Sweger and P. Szymanski and A. H. Tang and Z. Tang and A. Taranenko and T. Tarnowsky and J. H. Thomas and A. R. Timmins and D. Tlusty and T. Todoroki and M. Tokarev and C. A. Tomkiel and S. Trentalange and R. E. Tribble and P. Tribedy and S. K. Tripathy and T. Truhlar and B. A. Trzeciak and O. D. Tsai and Z. Tu and T. Ullrich and D. G. Underwood and I. Upsal and G. Van Buren and J. Vanek and A. N. Vasiliev and I. Vassiliev and V. Verkest and F. Videbæk and S. Vokal and S. A. Voloshin and F. Wang and G. Wang and J. S. Wang and P. Wang and X. Wang and Y. Wang and Y. Wang and Z. Wang and J. C. Webb and P. C. Weidenkaff and G. D. Westfall and H. Wieman and S. W. Wissink and R. Witt and J. Wu and J. Wu and Y. Wu and B. Xi and Z. G. Xiao and G. Xie and W. Xie and H. Xu and N. Xu and Q. H. Xu and Y. Xu and Z. Xu and Z. Xu and G. Yan and C. Yang and Q. Yang and S. Yang and Y. Yang and Z. Ye and Z. Ye and L. Yi and K. Yip and Y. Yu and H. Zbroszczyk and W. Zha and C. Zhang and D. Zhang and J. Zhang and S. Zhang and S. Zhang and Y. Zhang and Y. Zhang and Y. Zhang and Z. J. Zhang and Z. Zhang and Z. Zhang and F. Zhao and J. Zhao and M. Zhao and C. Zhou and Y. Zhou and X. Zhu and M. Zurek and M. Zyzak},
journal= {arXiv preprint arXiv:2111.10396},
year = {2022}
}
备注
7 pages,3 figures, 1 supplemental material