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Evidence for nonlinear gluon effects in QCD and their A dependence at STAR

Mohamed Samy Abdallah, Bassam Aboona, Jaroslav Adam, Leszek Adamczyk, J. R. Adams, J. Kevin Adkins, Geydar Agakishiev, Ishu Aggarwal, Madan Mohan Aggarwal, Zubayer Ahammed, A. Aitbaev, Igor G. Alekseev, Derek M. Anderson, Alexey Aparin, Elke Caroline Aschenauer, Muhammad Usman Ashraf, F. G. Atetalla, Georgy S. Averichev, Vipul Bairathi, W. Baker, Jonathan Gonzalo Ball Cap, Kenneth Barish, Arabinda Behera, Rene Bellwied, Pratibha Bhagat, Anju Bhasin, Jaroslav Bielčík, Jana Bielčíková, Igor G. Bordyuzhin, James D. Brandenburg, Andrei V. Brandin, Xiang-Zhou Cai, Helen Louise Caines, Manuel Calderón de la Barca Sánchez, Daniel A. Cebra, Irakli Chakaberia, Petr Chaloupka, B. K. Chan, F-H. Chang, Z. Chang, A. Chatterjee, S. Chattopadhyay, D. Chen, J. Chen, J. H. Chen, X. Chen, Z. Chen, J. Cheng, Subikash Choudhury, William Christie, Xiaoxuan Chu, Henry J. Crawford, Máté Csanád, M. Daugherity, T. G. Dedovich, Ingo Martin Deppner, Anatoly A. Derevschikov, A. Dhamija, L. Di Carlo, Lidia Didenko, Prabhupada Dixit, X. Dong, James Lucus Drachenberg, Emilie Duckworth, James C. Dunlop, Jon M. Engelage, Geary Wareham Eppley, ShinIchi Esumi, Olga Y. Evdokimov, A. Ewigleben, Kjeld Oleg Eyser, Renee H. Fatemi, F. M. Fawzi, Salvatore Fazio, C. J. Feng, Yicheng Feng, Evan Finch, Yuri V. Fisyak, Audrey Francisco, C. Fu, Carl A. Gagliardi, Tetyana Galatyuk, Frank Geurts, Navagyan Ghimire, Adam Gibson, Krishan Gopal, X. Gou, David P. Grosnick, Anik Gupta, Włodzimierz Guryn, Ahmed M. Hamed, Y. Han, Szymon Harabasz, Matthew D. Harasty, John W. Harris, Hannah Harrison, S. He, W. He, X. H. He, Y. He, S. Heppelmann, S. Heppelmann, Norbert Herrmann, E. Hoffman, Lukáš Holub, C. Hu, Q. Hu, Y. Hu, H. Huang, Huan Zhong Huang, Shengli Huang, T. Huang, X. Huang, Y. Huang, Thomas J. Humanic, D. Isenhower, M. Isshiki, William W. Jacobs, Chitrasen Jena, Alexander Jentsch, Yuanjing Ji, Jiangyong Jia, K. Jiang, Xin-Yue Ju, Eleanor G. Judd, Sonia Kabana, M. L. Kabir, Skipper Kagamaster, Dmitry Kalinkin, K. Kang, David Kapukchyan, Kolja Kauder, Hongwei Ke, Declan Keane, Armen Kechechyan, Matthew Kelsey, Yevheniia V. Khyzhniak, Daniel P. Kikoła, B. Kimelman, D. Kincses, Ivan Kisel, A. Kiselev, Anders Garritt Knospe, H. S. Ko, L. M. Kočenda, A. Korobitsin, Leszek Krzysztof Kosarzewski, L. Kramarik, Peter Kravtsov, Lokesh Kumar, Shyam Kumar, R. Kunnawalkam Elayavalli, Joseph H. Kwasizur, Roy Alphanso Lacey, Shaowei Lan, Jeffery M. Landgraf, Jerome Lauret, Alexei Lebedev, Richard Lednicky, J. H. Lee, Y. H. Leung, N. Lewis, C. Li, C. Li, W. Li, X. Li, Y. Li, X. Liang, Y. Liang, Robert Licenik, T. Lin, Y. Lin, Michael A. Lisa, F. Liu, H. Liu, H. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph Llope, Ronald S. Longacre, E. Loyd, T. Lu, N. S. Lukow, X. F. Luo, L. Ma, R. Ma, Yu-Gang Ma, Niseem Magdy Abdelwahab Abdelrahman, Dukhishyam Mallick, S. L. Manukhov, Spyridon Margetis, Christina Markert, Howard S. Matis, Joel Anthony Mazer, Nikolai G. Minaev, Saskia Mioduszewski, Bedangadas Mohanty, Mriganka Mouli Mouli, Isaac A. Mooney, Dmitry A. Morozov, A. Mukherjee, M. Nagy, J. D. Nam, Md. Nasim, Kishora Nayak, D. Neff, John M. Nelson, Daniel B. Nemes, M. Nie, Grigory A. Nigmatkulov, Takafumi Niida, R. Nishitani, Larisa V. Nogach, Toshihiro Nonaka, A. S. Nunes, Grazyna Janina Odyniec, Akio Ogawa, Saehanseul Oh, Vitaly A. Okorokov, K. Okubo, Brian S. Page, Robert Pak, Jinjin Pan, Ashish Pandav, Ashutosh Kumar Pandey, Yuri Panebratsev, P. Parfenov, A. Paul, Bogdan Pawlik, Diana Pawłowska, Chris Perkins, Jan Marian Pluta, B. R. Pokhrel, Jeffrey Brent Porter, Matthew Posik, V. Prozorova, Navneet Kumar Pruthi, Mariusz Przybycien, Jörn H. Putschke, H. Qiu, Amilkar Quintero, Cameron Racz, Sooraj Krishnan Radhakrishnan, N. Raha, Robert L. Ray, Rosi Jan Reed, Hans Georg Ritter, Monika Robotkova, Oleg V. Rogačevskij, Juan L. Romero, D. Roy, L. Ruan, A. K. Sahoo, Nihar Ranjan Sahoo, H. Sako, Sevil Salur, E. Samigullin, Jack H. Sandweiss, Susumu Sato, William B. Schmidke, Norbert Schmitz, Benjamin R. Schweid, Florian Seck, Janet Elizabeth Seger, Richard Seto, Peter Seyboth, N. Shah, Ehtiram Shahaliev, Prashanth V. Shanmuganathan, M. Shao, T. Shao, R. Sharma, Ashik Ikbal Sheikh, D. Y. Shen, Shusu Shi, Y. Shi, Q. Y. Shou, Ernst P. Sichtermann, Rafał Sikora, J. Singh, Subhash Singha, P. Sinha, Michael J. Skoby, Nikolai Smirnov, Yannick Söhngen, William Solyst, Y. Song, Harold. M. Spinka, B. Srivastava, T. D. Shirvel Stanislaus, Maria Stefaniak, David J. Stewart, Michail Nikolaevič Strichanov, Blair Stringfellow, Alexandre Alarcon do Passo Suaide, Michal Šumbera, Branden Summa, X. M. Sun, X. Sun, Y. Sun, Y. Sun, Bernd Surrow, Dmitry N. Svirida, Zachary W. Sweger, Paweł Szymański, Aihong Tang, Z. Tang, Arkadiy Taranenko, Terence J. Tarnowsky, James H. Thomas, Anthony Robert Timmins, David Tlusty, Takahito Todoroki, Mikhail V. Tokarev, C. A. Tomkiel, Stephen Trentalange, Robert E. Tribble, Prithwish Tribedy, Srikanta Kumar Tripathy, Tomas Truhlar, Barbara Antonina Trzeciak, Oleg D. Tsai, Zhoudunming Tu, Thomas Ullrich, David G. Underwood, Isaac Upsal, Gene Van Buren, Jan Vanek, Alexander Nikolaevich Vasiliev, Iouri Vassiliev, Veronica Verkest, Flemming Videbæk, Stanislav Vokal, Sergei Voloshin, F. Wang, G. Wang, J. S. Wang, P. Wang, X. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. Webb, Philipp Weidenkaff, Gary D. Westfall, Howard Wieman, Scott W. Wissink, Richard Witt, J. Wu, J. Wu, Y. Wu, B. Xi, Z. G. Xiao, Guannan Xie, W. Xie, H. Xu, N. Xu, Q. H. Xu, Y. Xu, Z. Xu, Z. Xu, G. Yan, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Y. Yu, Hanna Paulina Zbroszczyk, Wangmei Zha, C. Zhang, D. Zhang, J. Zhang, S. Zhang, S. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Z. J. Zhang, Z. Zhang, Z. Zhang, F. Zhao, J. Zhao, M. Zhao, C. Zhou, Y. Zhou, X. Zhu, Maria Katarzyna Żurek, Maksym Zyzak

  • The STAR Collaboration reports measurements of back-to-back azimuthal correlations of di-π0s produced at forward pseudorapidities (2.6<η<4.0) in p+p, p+Al, and p+Au collisions at a center-of-mass energy of 200 GeV. We observe a clear suppression of the correlated yields of back-to-back π0 pairs in p+Al and p+Au collisions compared to the p+p data. The observed suppression of back-to-back pairs as a function of transverse momentum suggests nonlinear gluon dynamics arising at high parton densities. The larger suppression found in p+Au relative to p+Al collisions exhibits a dependence of the saturation scale, Q2s, on the mass number, A. A linear scaling of the suppression with A1/3 is observed with a slope of −0.09 ± 0.01.

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Author:Mohamed Samy AbdallahORCiDGND, Bassam AboonaORCiDGND, Jaroslav AdamORCiDGND, Leszek AdamczykORCiDGND, J. R. Adams, J. Kevin Adkins, Geydar AgakishievGND, Ishu AggarwalORCiD, Madan Mohan AggarwalGND, Zubayer AhammedORCiD, A. Aitbaev, Igor G. AlekseevORCiD, Derek M. AndersonORCiD, Alexey AparinORCiD, Elke Caroline AschenauerORCiD, Muhammad Usman AshrafORCiD, F. G. Atetalla, Georgy S. AverichevGND, Vipul BairathiORCiD, W. Baker, Jonathan Gonzalo Ball CapORCiD, Kenneth BarishORCiD, Arabinda BeheraORCiD, Rene BellwiedORCiDGND, Pratibha BhagatORCiD, Anju BhasinORCiD, Jaroslav BielčíkORCiDGND, Jana BielčíkováORCiDGND, Igor G. Bordyuzhin, James D. BrandenburgORCiD, Andrei V. Brandin, Xiang-Zhou CaiORCiD, Helen Louise CainesORCiD, Manuel Calderón de la Barca SánchezORCiD, Daniel A. CebraORCiD, Irakli ChakaberiaORCiD, Petr ChaloupkaORCiD, B. K. Chan, F-H. Chang, Z. Chang, A. Chatterjee, S. Chattopadhyay, D. Chen, J. Chen, J. H. Chen, X. Chen, Z. Chen, J. Cheng, Subikash ChoudhuryORCiD, William ChristieORCiD, Xiaoxuan ChuORCiD, Henry J. CrawfordORCiD, Máté CsanádORCiD, M. Daugherity, T. G. Dedovich, Ingo Martin DeppnerORCiDGND, Anatoly A. Derevschikov, A. DhamijaORCiD, L. Di Carlo, Lidia Didenko, Prabhupada DixitORCiD, X. Dong, James Lucus DrachenbergORCiD, Emilie DuckworthORCiD, James C. DunlopORCiD, Jon M. Engelage, Geary Wareham Eppley, ShinIchi EsumiORCiDGND, Olga Y. EvdokimovORCiD, A. Ewigleben, Kjeld Oleg EyserORCiD, Renee H. FatemiORCiD, F. M. Fawzi, Salvatore FazioORCiD, C. J. Feng, Yicheng FengORCiD, Evan FinchORCiD, Yuri V. FisyakORCiD, Audrey FranciscoORCiD, C. Fu, Carl A. Gagliardi, Tetyana GalatyukORCiDGND, Frank GeurtsORCiD, Navagyan GhimireORCiD, Adam GibsonORCiD, Krishan GopalORCiD, X. Gou, David P. Grosnick, Anik GuptaORCiD, Włodzimierz GurynORCiD, Ahmed M. HamedORCiD, Y. Han, Szymon HarabaszORCiDGND, Matthew D. HarastyORCiD, John W. HarrisORCiDGND, Hannah HarrisonORCiD, S. He, W. He, X. H. He, Y. He, S. Heppelmann, S. Heppelmann, Norbert HerrmannGND, E. Hoffman, Lukáš HolubORCiD, C. Hu, Q. Hu, Y. Hu, H. Huang, Huan Zhong HuangORCiD, Shengli Huang, T. Huang, X. Huang, Y. Huang, Thomas J. HumanicORCiD, D. Isenhower, M. Isshiki, William W. JacobsORCiD, Chitrasen JenaORCiD, Alexander JentschORCiD, Yuanjing JiORCiD, Jiangyong JiaORCiDGND, K. Jiang, Xin-Yue JuGND, Eleanor G. JuddORCiD, Sonia KabanaORCiD, M. L. Kabir, Skipper KagamasterORCiD, Dmitry KalinkinORCiD, K. Kang, David KapukchyanORCiD, Kolja KauderORCiD, Hongwei KeORCiD, Declan KeaneORCiD, Armen Kechechyan, Matthew KelseyORCiD, Yevheniia V. KhyzhniakORCiD, Daniel P. KikołaORCiD, B. Kimelman, D. Kincses, Ivan KiselORCiDGND, A. Kiselev, Anders Garritt KnospeORCiD, H. S. Ko, L. M. KočendaGND, A. Korobitsin, Leszek Krzysztof KosarzewskiORCiD, L. Kramarik, Peter KravtsovORCiD, Lokesh KumarORCiD, Shyam KumarORCiD, R. Kunnawalkam Elayavalli, Joseph H. Kwasizur, Roy Alphanso LaceyORCiD, Shaowei LanORCiD, Jeffery M. Landgraf, Jerome LauretORCiD, Alexei Lebedev, Richard LednickyORCiD, J. H. Lee, Y. H. LeungGND, N. Lewis, C. Li, C. Li, W. Li, X. Li, Y. Li, X. Liang, Y. Liang, Robert LicenikORCiD, T. Lin, Y. Lin, Michael A. LisaORCiDGND, F. Liu, H. Liu, H. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph LlopeORCiD, Ronald S. Longacre, E. Loyd, T. Lu, N. S. Lukow, X. F. Luo, L. Ma, R. Ma, Yu-Gang MaORCiD, Niseem Magdy Abdelwahab AbdelrahmanORCiD, Dukhishyam MallickORCiD, S. L. Manukhov, Spyridon MargetisORCiD, Christina MarkertORCiDGND, Howard S. MatisORCiD, Joel Anthony Mazer, Nikolai G. Minaev, Saskia MioduszewskiORCiD, Bedangadas MohantyORCiD, Mriganka Mouli MouliORCiD, Isaac A. MooneyORCiD, Dmitry A. Morozov, A. Mukherjee, M. Nagy, J. D. Nam, Md. Nasim, Kishora NayakORCiD, D. Neff, John M. Nelson, Daniel B. Nemes, M. Nie, Grigory A. NigmatkulovORCiD, Takafumi NiidaORCiD, R. Nishitani, Larisa V. Nogach, Toshihiro NonakaORCiD, A. S. Nunes, Grazyna Janina Odyniec, Akio Ogawa, Saehanseul OhORCiD, Vitaly A. OkorokovORCiD, K. Okubo, Brian S. PageORCiD, Robert Pak, Jinjin PanORCiD, Ashish PandavORCiD, Ashutosh Kumar PandeyORCiD, Yuri Panebratsev, P. Parfenov, A. Paul, Bogdan PawlikORCiD, Diana PawłowskaORCiD, Chris Perkins, Jan Marian Pluta, B. R. Pokhrel, Jeffrey Brent Porter, Matthew PosikORCiD, V. ProzorovaORCiD, Navneet Kumar PruthiORCiD, Mariusz PrzybycienORCiD, Jörn H. PutschkeORCiDGND, H. Qiu, Amilkar Quintero, Cameron RaczORCiD, Sooraj Krishnan Radhakrishnan, N. Raha, Robert L. RayORCiD, Rosi Jan ReedORCiD, Hans Georg Ritter, Monika RobotkovaORCiD, Oleg V. RogačevskijGND, Juan L. Romero, D. Roy, L. Ruan, A. K. Sahoo, Nihar Ranjan SahooORCiD, H. Sako, Sevil SalurORCiDGND, E. Samigullin, Jack H. Sandweiss, Susumu Sato, William B. Schmidke, Norbert SchmitzGND, Benjamin R. Schweid, Florian SeckORCiDGND, Janet Elizabeth SegerORCiD, Richard SetoORCiDGND, Peter SeybothORCiDGND, N. Shah, Ehtiram Shahaliev, Prashanth V. ShanmuganathanORCiD, M. Shao, T. Shao, R. Sharma, Ashik Ikbal SheikhORCiD, D. Y. Shen, Shusu ShiORCiD, Y. Shi, Q. Y. Shou, Ernst P. SichtermannORCiD, Rafał SikoraORCiD, J. Singh, Subhash SinghaORCiD, P. Sinha, Michael J. Skoby, Nikolai SmirnovORCiD, Yannick SöhngenGND, William Solyst, Y. Song, Harold. M. SpinkaORCiD, B. Srivastava, T. D. Shirvel Stanislaus, Maria StefaniakORCiD, David J. Stewart, Michail Nikolaevič StrichanovORCiDGND, Blair Stringfellow, Alexandre Alarcon do Passo SuaideORCiD, Michal ŠumberaORCiD, Branden Summa, X. M. Sun, X. Sun, Y. Sun, Y. Sun, Bernd SurrowORCiDGND, Dmitry N. SviridaORCiD, Zachary W. SwegerORCiD, Paweł SzymańskiORCiD, Aihong TangORCiD, Z. Tang, Arkadiy TaranenkoORCiD, Terence J. TarnowskyORCiD, James H. ThomasORCiD, Anthony Robert TimminsORCiD, David Tlusty, Takahito TodorokiORCiD, Mikhail V. Tokarev, C. A. Tomkiel, Stephen TrentalangeORCiD, Robert E. Tribble, Prithwish TribedyORCiDGND, Srikanta Kumar TripathyORCiD, Tomas TruhlarORCiD, Barbara Antonina TrzeciakORCiD, Oleg D. Tsai, Zhoudunming TuORCiD, Thomas UllrichORCiDGND, David G. UnderwoodORCiD, Isaac Upsal, Gene Van BurenORCiD, Jan VanekORCiD, Alexander Nikolaevich Vasiliev, Iouri VassilievORCiD, Veronica VerkestORCiD, Flemming VidebækORCiD, Stanislav Vokal, Sergei VoloshinORCiDGND, F. Wang, G. Wang, J. S. Wang, P. Wang, X. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. WebbORCiD, Philipp WeidenkaffGND, Gary D. WestfallGND, Howard Wieman, Scott W. WissinkORCiD, Richard WittORCiD, J. Wu, J. Wu, Y. Wu, B. Xi, Z. G. Xiao, Guannan XieORCiD, W. Xie, H. Xu, N. Xu, Q. H. Xu, Y. Xu, Z. Xu, Z. Xu, G. Yan, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Y. Yu, Hanna Paulina ZbroszczykORCiD, Wangmei ZhaORCiD, C. Zhang, D. Zhang, J. Zhang, S. Zhang, S. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Z. J. Zhang, Z. Zhang, Z. Zhang, F. Zhao, J. Zhao, M. Zhao, C. Zhou, Y. Zhou, X. Zhu, Maria Katarzyna ŻurekORCiDGND, Maksym ZyzakGND
URN:urn:nbn:de:hebis:30:3-849160
URL:https://arxiv.org/abs/2111.10396v2
DOI:https://doi.org/10.48550/ARXIV.2111.10396
ArXiv Id:http://arxiv.org/abs/2111.10396v2
Parent Title (English):arXiv
Publisher:arXiv
Document Type:Preprint
Language:English
Date of Publication (online):2022/08/22
Date of first Publication:2022/08/22
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:STAR Collaboration
Release Date:2024/08/13
Issue:2111.10396v2
Edition:Version 2
Page Number:11
Institutes:Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International