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Measurement of inclusive J/ψ polarization in p + p collisions at √s=200 GeV by the STAR experiment

Jaroslav Adam, Leszek Adamczyk, Joseph R. Adams, J. Kevin Adkins, Geydar Agakishiev, Madan Mohan Aggarwal, Zubayer Ahammed, Igor G. Alekseev, Derek M. Anderson, Alexey Aparin, Elke Caroline Aschenauer, Muhammad Usman Ashraf, F. G. Atetalla, Anjali Attri, Georgy S. Averichev, Vipul Bairathi, Kenneth Barish, Arabinda Behera, Rene Bellwied, Anju Bhasin, Jaroslav Bielčík, Jana Bielčíková, Leslie C. Bland, Igor G. Bordyuzhin, James D. Brandenburg, Andrei V. Brandin, S. Bueltmann, Joseph Butterworth, Helen Louise Caines, Manuel Calderón de la Barca Sánchez, Daniel A. Cebra, Irakli Chakaberia, Petr Chaloupka, B. K. Chan, F-H. Chang, Z. Chang, N. Chankova-Bunzarova, A. Chatterjee, D. Chen, J. H. Chen, X. Chen, Z. Chen, J. Cheng, Michael Gerard Cherney, M. Chevalier, Subikash Choudhury, William Christie, Henry J. Crawford, Máté Csanád, M. Daugherity, T. G. Dedovich, Ingo Martin Deppner, Anatoly A. Derevschikov, Lidia Didenko, X. Dong, James Lucus Drachenberg, James C. Dunlop, Terrence Edmonds, Nicholas Elsey, Jon M. Engelage, Geary Wareham Eppley, Roli Esha, ShinIchi Esumi, Olga Y. Evdokimov, A. Ewigleben, Kjeld Oleg Eyser, Renee H. Fatemi, Salvatore Fazio, Pavol Federič, Jan Fedorišin, C. J. Feng, Yicheng Feng, Peter Filip, Evan Finch, Yuri V. Fisyak, Audrey Francisco, Łukasz Fulek, Carl A. Gagliardi, Tetyana Galatyuk, Frank Geurts, Adam Gibson, Krishan Gopal, David P. Grosnick, Włodzimierz Guryn, A. I. Hamad, Ahmed M. Hamed, John W. Harris, S. He, W. He, X. He, S. Heppelmann, S. Heppelmann, Norbert Herrmann, E. Hoffman, Lukáš Holub, Y. Hong, S. Horvat, Y. Hu, Huan Zhong Huang, Shengli Huang, T. Huang, X. Huang, Thomas J. Humanic, P. Huo, George J. Igo, D. Isenhower, William W. Jacobs, Chitrasen Jena, Alexander Jentsch, Yuanjing JI, J. Jia, K. Jiang, S. Jowzaee, X. 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, Y. V. Khyzhniak, Daniel P. Kikoła, C. Kim, B. Kimelman, D. Kincses, Todd Adler Kinghorn, Ivan Kisel, A. Kiselev, Adam Ryszard Kisiel, Michal Kocan, L. M. Kočenda, Leszek Krzysztof Kosarzewski, L. Kramarik, Peter Kravtsov, Keith William Krueger, Nalinda Kulathunga Mudiyanselage, Lokesh 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, C. Li, W. Li, W. Li, X. Li, Y. Li, Y. Liang, Robert Licenik, T. Lin, Y. Lin, Michael A. Lisa, F. Liu, H. Liu, P. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph Llope, Ronald S. Longacre, N. S. Lukow, S. Luo, X. Luo, G. L. Ma, L. Ma, R. Ma, Yu-Gang Ma, Niseem Magdy Abdelwahab Abdelrahman, Richard Daniel Majka, Dukhishyam Mallick, Spyridon Margetis, Christina Markert, Howard S. Matis, Joel Anthony Mazer, Nikolai G. Minaev, Saskia Mioduszewski, Bedangadas Mohanty, Mriganka Mouli Mondal, Isaac A. Mooney, Zuzana Moravcova, Dmitry A. Morozov, M. Nagy, J. D. Nam, Md. Nasim, Kishora Nayak, D. Neff, John M. Nelson, Daniel B. Nemes, M. Nie, Grigory A. Nigmatkulov, Takafumi Niida, Larisa V. Nogach, Toshihiro Nonaka, G. Odyniec, Akio Ogawa, Saehanseul Oh, Vitaly A. Okorokov, Brian S. Page, R. Pak, A. Pandav, Yuri Panebratsev, Bogdan Pawlik, Diana Pawłowska, Hua Pei, Chris Perkins, Lawrence Pinsky, Roland Laszlo Pintér, Jan Marian Pluta, Jeffrey Brent Porter, Matthew Posik, Navneet Kumar Pruthi, Mariusz Przybycien, Jörn H. Putschke, H. Qiu, Amilkar Quintero, Sooraj Krishnan Radhakrishnan, Suvarna Ramachandran, Robert L. Ray, Rosi Jan Reed, H. G. Ritter, Jabus B. Roberts, Oleg V. Rogačevskij, Juan L. Romero, L. Ruan, Jan Rusnak, Nihar Ranjan Sahoo, H. Sako, Sevil Salur, Jack H. Sandweiss, S. Sato, William B. Schmidke, Norbert Schmitz, Benjamin R. Schweid, Florian Seck, Janet Elizabeth Seger, Maria Sergeeva, Richard Seto, Peter Seyboth, N. Shah, Ehtiram Shahaliev, Prashanth V. Shanmuganathan, M. Shao, F. Shen, W. Q. Shen, S. S. Shi, Q. Y. Shou, Ernst P. Sichtermann, Rafał Sikora, Miroslav Šimko, J. Singh, Subhash Singha, Nikolai Smirnov, William Solyst, Paul Richard Sorensen, 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, Y. Sun, Y. Sun, Bernd Surrow, Dmitry N. Svirida, Paweł Szymański, Aihong Tang, Z. Tang, Arkadiy Taranenko, Terence J. Tarnowsky, James H. Thomas, Anthony Robert Timmins, David Tlusty, Mikhail V. Tokarev, C. A. Tomkiel, Stephen Trentalange, Robert E. Tribble, Prithwish Tribedy, Srikanta Kumar Tripathy, Oleg D. Tsai, Zhoudunming Tu, Thomas Ullrich, David G. Underwood, Isaac Upsal, Gene Van Buren, Jan Vanek, Alexander Nikolaevich Vasiliev, Iouri Vassiliev, Flemming Videbæk, Stanislav Vokal, Sergei Voloshin, F. Wang, G. Wang, J. S. Wang, P. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. Webb, Philipp Weidenkaff, L. Wen, Gary D. Westfall, Howard Wieman, Scott W. Wissink, Richard Witt, Y. Wu, Z. G. Xiao, Guannan Xie, W. Xie, H. Xu, N. Xu, Q. H. Xu, Y. F. Xu, Y. Xu, Z. Xu, Z. Xu, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Hanna Paulina Zbroszczyk, W. Zha, D. Zhang, S. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Y. Zhang, Z. J. Zhang, Z. Zhang, Z. Zhang, J. Zhao, C. Zhong, C. Zhou, X. Zhu, Z. Zhu, M. Zurek, Maksym Zyzak

  • We report on new measurements of inclusive 𝐽/𝜓 polarization at midrapidity in 𝑝+𝑝 collisions at √𝑠=200  GeV by the STAR experiment at the Relativistic Heavy Ion Collider. The polarization parameters, 𝜆𝜃, 𝜆𝜙, and 𝜆𝜃⁢𝜙, are measured as a function of transverse momentum (𝑝T) in both the helicity and Collins-Soper (CS) reference frames within 𝑝T<10  GeV/𝑐. Except for 𝜆𝜃 in the CS frame at the highest measured 𝑝T, all three polarization parameters are consistent with 0 in both reference frames without any strong 𝑝T dependence. Several model calculations are compared with data, and the one using the Color Glass Condensate effective field theory coupled with nonrelativistic QCD gives the best overall description of the experimental results, even though other models cannot be ruled out due to experimental uncertainties.

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Author:Jaroslav AdamORCiDGND, Leszek AdamczykORCiDGND, Joseph R. AdamsORCiD, J. Kevin Adkins, Geydar AgakishievGND, Madan Mohan AggarwalGND, Zubayer AhammedORCiD, Igor G. AlekseevORCiD, Derek M. AndersonORCiD, Alexey AparinORCiD, Elke Caroline AschenauerORCiD, Muhammad Usman AshrafORCiD, F. G. Atetalla, Anjali Attri, Georgy S. AverichevGND, Vipul BairathiORCiD, Kenneth BarishORCiD, Arabinda BeheraORCiD, Rene BellwiedORCiDGND, Anju BhasinORCiD, Jaroslav BielčíkORCiDGND, Jana BielčíkováORCiDGND, Leslie C. BlandORCiD, Igor G. Bordyuzhin, James D. BrandenburgORCiD, Andrei V. Brandin, S. Bueltmann, Joseph Butterworth, Helen Louise CainesORCiD, Manuel Calderón de la Barca SánchezORCiD, Daniel A. CebraORCiD, Irakli ChakaberiaORCiD, Petr ChaloupkaORCiD, B. K. Chan, F-H. Chang, Z. Chang, N. Chankova-Bunzarova, A. Chatterjee, D. Chen, J. H. Chen, X. Chen, Z. Chen, J. Cheng, Michael Gerard Cherney, M. Chevalier, Subikash ChoudhuryORCiD, William ChristieORCiD, Henry J. CrawfordORCiD, Máté CsanádORCiD, M. Daugherity, T. G. Dedovich, Ingo Martin DeppnerORCiDGND, Anatoly A. Derevschikov, Lidia Didenko, X. Dong, James Lucus DrachenbergORCiD, James C. DunlopORCiD, Terrence Edmonds, Nicholas Elsey, Jon M. Engelage, Geary Wareham Eppley, Roli EshaORCiD, ShinIchi EsumiORCiDGND, Olga Y. EvdokimovORCiD, A. Ewigleben, Kjeld Oleg EyserORCiD, Renee H. FatemiORCiD, Salvatore FazioORCiD, Pavol FederičORCiD, Jan FedorišinGND, C. J. Feng, Yicheng FengORCiD, Peter FilipORCiD, Evan FinchORCiD, Yuri V. FisyakORCiD, Audrey FranciscoORCiD, Łukasz FulekORCiD, Carl A. Gagliardi, Tetyana GalatyukORCiDGND, Frank GeurtsORCiD, Adam GibsonORCiD, Krishan GopalORCiD, David P. Grosnick, Włodzimierz GurynORCiD, A. I. Hamad, Ahmed M. HamedORCiD, John W. HarrisORCiDGND, S. He, W. He, X. He, S. Heppelmann, S. Heppelmann, Norbert HerrmannGND, E. Hoffman, Lukáš HolubORCiD, Y. Hong, S. Horvat, Y. Hu, Huan Zhong HuangORCiD, Shengli Huang, T. Huang, X. Huang, Thomas J. HumanicORCiD, P. Huo, George J. Igo, D. Isenhower, William W. JacobsORCiD, Chitrasen JenaORCiD, Alexander JentschORCiD, Yuanjing JIORCiD, J. Jia, K. Jiang, S. Jowzaee, X. Ju, Eleanor G. JuddORCiD, Sonia KabanaORCiD, M. L. Kabir, Skipper KagamasterORCiD, Dmitry Kalinkin, K. Kang, David KapukchyanORCiD, Kolja KauderORCiD, Hongwei KeORCiD, Declan KeaneORCiD, Armen Kechechyan, Matthew KelseyORCiD, Y. V. Khyzhniak, Daniel P. KikołaORCiD, C. Kim, B. Kimelman, D. Kincses, Todd Adler Kinghorn, Ivan KiselORCiDGND, A. Kiselev, Adam Ryszard KisielORCiD, Michal KocanORCiD, L. M. KočendaGND, Leszek Krzysztof KosarzewskiORCiD, L. Kramarik, Peter KravtsovORCiD, Keith William Krueger, Nalinda Kulathunga MudiyanselageORCiD, Lokesh 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. Leung, C. Li, W. Li, W. Li, X. Li, Y. Li, Y. Liang, Robert LicenikORCiD, T. Lin, Y. Lin, Michael A. LisaORCiDGND, F. Liu, H. Liu, P. Liu, P. Liu, T. Liu, X. Liu, Y. Liu, Z. Liu, Tonko A. Ljubicic, William Joseph LlopeORCiD, Ronald S. Longacre, N. S. Lukow, S. Luo, X. Luo, G. L. Ma, L. Ma, R. Ma, Yu-Gang MaORCiD, Niseem Magdy Abdelwahab AbdelrahmanORCiD, Richard Daniel MajkaORCiD, Dukhishyam MallickORCiD, Spyridon MargetisORCiD, Christina MarkertORCiDGND, Howard S. MatisORCiD, Joel Anthony Mazer, Nikolai G. Minaev, Saskia MioduszewskiORCiD, Bedangadas MohantyORCiD, Mriganka Mouli MondalORCiD, Isaac A. MooneyORCiD, Zuzana MoravcovaORCiD, Dmitry A. Morozov, M. Nagy, J. D. Nam, Md. Nasim, Kishora NayakORCiD, D. Neff, John M. Nelson, Daniel B. Nemes, M. Nie, Grigory A. NigmatkulovORCiD, Takafumi NiidaORCiD, Larisa V. Nogach, Toshihiro NonakaORCiD, G. Odyniec, Akio Ogawa, Saehanseul OhORCiD, Vitaly A. OkorokovORCiD, Brian S. PageORCiD, R. Pak, A. Pandav, Yuri Panebratsev, Bogdan PawlikORCiD, Diana PawłowskaORCiD, Hua PeiORCiD, Chris Perkins, Lawrence PinskyORCiD, Roland Laszlo Pintér, Jan Marian Pluta, Jeffrey Brent Porter, Matthew Posik, Navneet Kumar PruthiORCiD, Mariusz PrzybycienORCiD, Jörn H. PutschkeORCiDGND, H. Qiu, Amilkar Quintero, Sooraj Krishnan Radhakrishnan, Suvarna RamachandranORCiD, Robert L. RayORCiD, Rosi Jan ReedORCiD, H. G. Ritter, Jabus B. Roberts, Oleg V. RogačevskijGND, Juan L. Romero, L. Ruan, Jan RusnakORCiD, Nihar Ranjan SahooORCiD, H. Sako, Sevil SalurORCiDGND, Jack H. Sandweiss, S. Sato, William B. Schmidke, Norbert SchmitzGND, Benjamin R. Schweid, Florian SeckORCiDGND, Janet Elizabeth SegerORCiD, Maria Sergeeva, Richard SetoORCiDGND, Peter SeybothORCiDGND, N. Shah, Ehtiram Shahaliev, Prashanth V. ShanmuganathanORCiD, M. Shao, F. Shen, W. Q. Shen, S. S. Shi, Q. Y. Shou, Ernst P. SichtermannORCiD, Rafał SikoraORCiD, Miroslav ŠimkoORCiD, J. Singh, Subhash SinghaORCiD, Nikolai SmirnovORCiD, William Solyst, Paul Richard SorensenORCiD, 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, Y. Sun, Y. Sun, Bernd SurrowORCiDGND, Dmitry N. SviridaORCiD, Paweł SzymańskiORCiD, Aihong TangORCiD, Z. Tang, Arkadiy TaranenkoORCiD, Terence J. Tarnowsky, James H. ThomasORCiD, Anthony Robert TimminsORCiD, David Tlusty, Mikhail V. Tokarev, C. A. Tomkiel, Stephen TrentalangeORCiD, Robert E. Tribble, Prithwish TribedyORCiDGND, Srikanta Kumar Tripathy, Oleg D. Tsai, Zhoudunming TuORCiD, Thomas UllrichORCiDGND, David G. UnderwoodORCiD, Isaac Upsal, Gene Van BurenORCiD, Jan VanekORCiD, Alexander Nikolaevich Vasiliev, Iouri VassilievORCiD, Flemming Videbæk, Stanislav Vokal, Sergei VoloshinORCiDGND, F. Wang, G. Wang, J. S. Wang, P. Wang, Y. Wang, Y. Wang, Z. Wang, Jason C. WebbORCiD, Philipp WeidenkaffGND, L. Wen, Gary D. WestfallGND, Howard Wieman, Scott W. WissinkORCiD, Richard WittORCiD, Y. Wu, Z. G. Xiao, Guannan XieORCiD, W. Xie, H. Xu, N. Xu, Q. H. Xu, Y. F. Xu, Y. Xu, Z. Xu, Z. Xu, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, Hanna Paulina ZbroszczykORCiD, W. Zha, D. Zhang, S. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Y. Zhang, Z. J. Zhang, Z. Zhang, Z. Zhang, J. Zhao, C. Zhong, C. Zhou, X. Zhu, Z. Zhu, M. Zurek, Maksym ZyzakGND
URN:urn:nbn:de:hebis:30:3-849424
DOI:https://doi.org/10.1103/PhysRevD.102.092009
ISSN:2470-0029
ISSN:2470-0010
ArXiv Id:http://arxiv.org/abs/2007.04732
Parent Title (English):Physical review. D : covering particles, fields, gravitation, and cosmology
Publisher:American Physical Society
Place of publication:Ridge, NY
Document Type:Article
Language:English
Date of Publication (online):2020/11/20
Date of first Publication:2020/11/20
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:STAR Collaboration
Release Date:2024/07/10
Volume:102.2020
Issue:9, 092009
Article Number:092009
Page Number:15
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 - Namensnennung 4.0 International