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1. The proton–Ω correlation function in Au + Au collisions at sNN=200GeV

Author: M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Roli Esha, Daniel Nemes, Jie Zhao, S. Horvat, Anik Gupta, L. C. Bland, B. J. Summa, J. Y. Zhang, F. Videbæk, A. Lipiec, J. Porter, P. Sorensen, David Brown, W. Zha, Frank Jm Geurts, T. Galatyuk, N. Yu, E. P. Sichtermann, S. Ramachandran, L. V. Nogach, B. Pawlik, F. Liu, Miroslav Simko, Mariusz Przybycien, Sumit R. Das, Y. Yang, Sukalyan Chattopadhyay, Siwei Luo, O. Eyser, C. Zhou, A. Gibson, J. H. Thomas, L. P. Zhou, F-H. Chang, Q. Yang, G. S. Averichev, K. Meehan, Shize Yang, Madan M. Aggarwal, Fuqiang Wang, L. Didenko, I. Chakaberia, I. K. Yoo, J. K. Adkins, A. Harlenderova, F. Seck, Md. Nasim, R. D. Majka, L. Zhang, Wei Xie, D. K. Mishra, Xiangming Sun, M. Posik, H. M. Spinka, Arka Chatterjee, J. M. Campbell, Q. H. Xu, R. Witt, R. Fatemi, L. He, Shaji Kumar, Todd Kinghorn, D. Kalinkin, T. Ullrich, A. Aparin, I. G. Alekseev, W. Guryn, J. Schambach, H. Z. Huang, S. Vokal, J. Xu, N. Kulathunga, S. Mioduszewski, S. Fazio, A. Vossen, T. G. Dedovich, J. D. Negrete, M. A. Lisa, J. C. Mei, K. Krueger, S. Esumi, J. Fedorisin, M. M. Mondal, J. C. Webb, Isaac Mooney, N. Xu, P. Filip, N. Schmitz, Zebo Tang, Xiaofeng Luo, I. Kisel, Guo-Liang Ma, W. Christie, Li Yi, E. Shahaliev, Prithwish Tribedy, B. K. Srivastava, Chi Yang, Jaroslav Bielcik, D. G. Underwood, R. Seto, Xiaofeng Zhu, Ying Liang, J. Lidrych, G. D. Westfall, N. K. Pruthi, A. S. Hirsch, M. Cherney, Shengli Huang, Y. Li, S. Singha, Andrey Vasiliev, G. Eppley, P. Chaloupka, Ting Lin, J. Jia, Arabinda Behera, C. E. Flores, A. Ogawa, E. G. Judd, O. V. Rogachevskiy, P. Kravtsov, Fuwang Shen, A. M. Schmah, Jana Bielcikova, Z. J. Xu, D. N. Svirida, J. Pluta, J. L. Romero, J. Cheng, M. Tokarev, D. A. Morozov, A. Quintero, N. Chankova-Bunzarova, W. Li, I. Vassiliev, Muhammad Usman Ashraf, P. Federic, Lokesh Kumar, Hua Pei, S. K. Tripathy, X.G. Li, J. C. Dunlop, L. Wen, Lukas Kramarik, C. Perkins, J. W. Harris, Zongye Zhang, Y. Guo, J. M. Nelson, W. J. Llope, C. Zhong, E. C. Aschenauer, S. Trentalange, M. Zyzak, E. Finch, I. G. Bordyuzhin, Sergey Voloshin, Zubayer Ahammed, Xuedong Bai, Janet Elizabeth Seger, S. Margetis, D. L. Olvitt, L. Ma, Vitaly Okorokov, G. Agakishiev, D. S. Gunarathne, I. M. Deppner, G. Wang, Rene Bellwied, X. Dong, Bernd Surrow, Anju Bhasin, N. Elsey, G. Xie, J. Bryslawskyj, D. Mayes, Z. Chang, A. J. Bassill, D. Cebra, K. Jiang, J. A. Mazer, Giacomo Contin, K. Kauder, R. E. Tribble, W. B. Schmidke, Alexander Jentsch, T. D. S. Stanislaus, Yanjun Wu, Tetsuro Sugiura, K. Kang, T. Niida, Q. Y. Shou, C. A. Gagliardi, D. Kapukchyan, P. Federicova, C-Q. Li, D. Arkhipkin, A. Hamed, Arkadiy Taranenko, Zhanwen Zhu, Y. J. Sun, A. Lebedev, H. H. Wieman, Nihar Sahoo, C. Dilks, X. C. Chen, Christina Markert, D. Smirnov, O. Rusnakova, Michal Sumbera, R. Pak, J. Rusnak, J. L. Drachenberg, H. S. Matis, A. A. P. Suaide, Olga Evdokimov, B. Huang, Song Zhang, S. Kabana, A. H. Tang, L. K. Kosarzewski, A. F. Kraishan, Justin Ewigleben, I. Upsal, M. Sergeeva, S. B. Nurushev, W. W. Jacobs, J. Engelage, Catherine Tomkiel, B.R. Schweid, T. J. Humanic, J. Lauret, Anthony Robert Timmins, N.N. Ajitanand, L. Ruan, Joseph Kwasizur, Jay Roberts, Adam Ryszard Kisiel, R. Lednicky, L. Kochenda, T. Tarnowsky, G. Odyniec, G. Nigmatkulov, M. Shao, G. Van Buren, H. J. Crawford, Z. Ye, Jaroslav Adam, Maowu Nie, X. Huang, A. Attri, A. Kechechyan, S. S. Shi, H. W. Ke, S. K. Radhakrishnan, S. W. Wissink, L. Fulek, Pradip Kumar Sahu, T. Nonaka, B. S. Page, Y. Zhang, I. Bunzarov, O. Matonoha, D. P. Kikola, B. Stringfellow, J. M. Landgraf, R. S. Longacre, Jing-Han Chen, P. Huo, Lukas Holub, Bedangadas Mohanty, T. Todoroki, M. Strikhanov, Chong Kim, H. G. Ritter, Xuan Zhang, P. V. Shanmuganathan, Zhigang Xiao, T. Huang, J. Sandweiss, J. R. Adams, Yunpeng Liu, Derek Anderson, R. Aoyama, A. K. Bhati, N. G. Minaev, D. Mallick, W. Solyst, D. Keane, Hanna Paulina Zbroszczyk, G. Igo, Nikolai Smirnov, N. Herrmann, L. Krauth, Jongmin Lee, L. G. Efimov, R. L. Ray, R. Ma, J. Butterworth, Y. F. Xu, R. Kunnawalkam Elayavalli, R. Reed, T. Ljubicic, S. Siejka, Niseem Magdy, H. Caines, M. Lomnitz, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Yu-Gang Ma, Y. Fisyak, Samuel Heppelmann, K. Oh, R. Lacey, P. Szymanski, B. Tu, P. Seyboth, Jan Vanek, Leszek Adamczyk, D. Tlusty, F. G. Atetalla, O. D. Tsai, Peter Q. Liu, J. Kvapil, Nilay Shah, W. Q. Shen, Jorn Henning Putschke, A. V. Brandin, Xiang Sun, Vipul Bairathi, James Brandenburg, K. N. Barish, H. Liu, A. A. Derevschikov, David Stewart, Sevil Salur, Y. Wang, K. Yip, and Rafal Sikora
Subjects: Physics, Nuclear and High Energy Physics, Proton, 010308 nuclear & particles physics, Nuclear Theory, Binding energy, Lattice QCD, 01 natural sciences, Nuclear physics, Momentum, Correlation function, 0103 physical sciences, Bound state, Impact parameter, Nuclear Experiment, 010306 general physics, Nucleon
Abstract: We present the first measurement of the proton–Ω correlation function in heavy-ion collisions for the central (0–40%) and peripheral (40–80%) Au + Au collisions at s NN = 200 GeV by the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). Predictions for the ratio of peripheral collisions to central collisions for the proton–Ω correlation function are sensitive to the presence of a nucleon–Ω bound state. These predictions are based on the proton–Ω interaction extracted from ( 2 + 1 ) -flavor lattice QCD calculations at the physical point. The measured ratio of the proton–Ω correlation function between the peripheral (small system) and central (large system) collisions is less than unity for relative momentum smaller than 40 MeV/c. Comparison of our measured correlation ratio with theoretical calculation slightly favors a proton–Ω bound system with a binding energy of ∼ 27 MeV.
Published: 2019

2. Measurement of inclusive charged-particle jet production in Au + Au collisions at sNN=200 GeV

Author: Mate Csanad, Muhammad Usman Ashraf, Chong Kim, Joel Anthony Mazer, Z. Yang, S. He, Sergey Voloshin, Anju Bhasin, C-Q. Li, Xinyue Ju, Christina Markert, H. G. Ritter, D. Tlusty, K. Jiang, Y. Wang, H. Z. Huang, S. Vokal, E. Hoffman, Rafal Sikora, M. I. Nagy, H. S. Matis, Y. F. Wu, R. Witt, S. Mioduszewski, K. Kang, Prithwish Tribedy, B. K. Srivastava, Shengli Huang, J. C. Dunlop, L. Wen, T. Niida, Audrey Francisco, Zubayer Ahammed, L. K. Kosarzewski, Y. Fisyak, Lin Ma, Y. J. Sun, W. W. Jacobs, J. B. Singh, G. Eppley, G. Agakishiev, D. Kapukchyan, J. Lauret, Q. Y. Shou, A. Lebedev, L. Adamczyk, Niladribihari Sahoo, Tong Liu, R. Pak, D. Cebra, Zhanwen Zhu, Guo-Liang Ma, J. Pluta, Yevheniia Khyzhniak, R. Lednicky, Shangfeng Yang, J. H. Chen, C. J. Feng, Rajarshi Ray, Olga Evdokimov, S. Kabana, Jay Roberts, M. Zyzak, A. V. Brandin, L. Kochenda, Z. Tu, T. G. Dedovich, Maria Zurek, Vitaly Okorokov, K. Krueger, A. Gibson, C. Zhong, P. Seyboth, D. A. Morozov, T. Edmonds, Yicheng Feng, N. Chankova-Bunzarova, W. Li, Alexander Kiselev, J. H. Thomas, Jan Vanek, Skipper Kagamaster, Vipul Bairathi, Irakli Chakaberia, J. M. Butterworth, Rene Bellwied, Wei Xie, J. C. Webb, J. D. Nam, S. Fazio, Zongye Zhang, M. S. Daugherity, M. Sergeeva, F-H. Chang, I. G. Bordyuzhin, H. W. Ke, Li Yi, L. Fulek, J. Engelage, G. Nigmatkulov, Susumu Sato, Hao Qiu, D. Kalinkin, Bernd Surrow, A. Aparin, Zhenyu Chen, R. E. Tribble, W. Solyst, Siwei Luo, S. Heppelmann, J. M. Landgraf, Xiaoyu Liu, Jize Zhao, Peng Huo, N. Schmitz, M. H. Kelsey, B. J. Summa, S. Harabasz, Y. F. Xu, Zebo Tang, E. Shahaliev, I. G. Alekseev, M. A. Lisa, D. Chen, N. Kulathunga Mudiyanselage, D. N. Svirida, G. Wang, M. Strikhanov, M. M. Mondal, E. G. Judd, H. Sako, P. Chaloupka, Ting Lin, X. Chu, N. Herrmann, Maria Stefaniak, Y. Lin, Yunlan Ji, G. S. Averichev, Jana Bielcikova, S. Ramachandran, O. Eyser, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, P. M. Jacobs, S. Trentalange, J. L. Romero, B. S. Page, N. Elsey, Avishek Chatterjee, L. V. Nogach, B. K. Chan, Michal Sumbera, A. A. P. Suaide, H. Liu, Z. Chang, G. Odyniec, J. Sandweiss, Lukas Kramarik, Catherine Tomkiel, W. Guryn, Jiangyong Jia, Sooraj Krishnan Radhakrishnan, E. Finch, Y. Yang, P. Kravtsov, Fuwang Shen, D. P. Kikola, S. W. Wissink, D. Neff, Isaac Mooney, Y. Zhang, B. Stringfellow, S. Lan, F. Seck, Nilay Shah, X. C. Chen, R. Lacey, Y. Li, M. Posik, C. Perkins, N. Magdy, Lukas Holub, Bedangadas Mohanty, X. M. Sun, A. Ewigleben, Benjamin Schweid, T. J. Humanic, Arabinda Behera, L. S. Pinsky, K. Yip, W. B. Schmidke, H. M. Spinka, P. Federic, A. Hamed, Guannan Xie, J. S. Wang, Somnath Choudhury, Z. Liu, Xuan Zhang, C. Yang, J. Porter, C. A. Gagliardi, Z. Moravcova, Y. Hong, Robert Licenik, J. Putschke, Xiaofeng Zhu, Ying Liang, F. Liu, Ivan Kisel, Miroslav Simko, A. Pandav, Anthony Robert Timmins, J. Fedorisin, I. Vassiliev, N. K. Pruthi, Adam Ryszard Kisiel, Z. J. Zhang, Mariusz Przybycien, A. Ogawa, Hanna Paulina Zbroszczyk, B. Pawlik, Frank Jm Geurts, T. Galatyuk, P. Sorensen, Joseph Kwasizur, Roland Laszlo Pinter, H. J. Crawford, M. Shao, G. Van Buren, D. G. Underwood, Jaroslav Bielcik, S. Zhang, D. Kincses, J. K. Adkins, S. S. Shi, Md. Nasim, R. D. Majka, R. Reed, Dukhishyam Mallick, J. L. Drachenberg, R. Fatemi, J. M. Nelson, W. Christie, Todd Kinghorn, W. J. Llope, C. Zhou, Y. Hu, Y. G. Ma, Alexander Jentsch, I. Upsal, O. V. Rogachevskiy, A. Attri, F. Videbæk, J. Cheng, Chitrasen Jena, M. Cherney, Xiangming Sun, Diana Pawlowska, Hua Pei, S. K. Tripathy, J. W. Harris, R. Kunnawalkam Elayavalli, N. S. Lukow, Roli Esha, Madan M. Aggarwal, Fuqiang Wang, Daniel Nemes, S. Horvat, X. G. Luo, A. H. Tang, Pengdong Wang, D. Zhang, W. Zha, S. Esumi, R. Seto, W. He, Lokesh Kumar, Jaroslav Adam, J. D. Brandenburg, Y. H. Leung, L. C. Bland, L. Didenko, K. N. Barish, P. V. Shanmuganathan, T. Tarnowsky, A. A. Derevschikov, E. P. Sichtermann, T. Ullrich, N. Xu, P. Filip, H. S. Xu, G. D. Westfall, D. Keane, E. C. Aschenauer, S. Margetis, F. G. Atetalla, X. Dong, O. D. Tsai, P. C. Weidenkaff, W. Q. Shen, K. Gopal, David Stewart, M. Chevalier, Sevil Salur, Jongmin Lee, Peng Liu, R. Ma, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Z. Ye, D. Isenhower, Maowu Nie, T. Ljubicic, R. S. Longacre, X. Huang, Z. Z. Xu, X. H. He, Zhigang Xiao, A. Kechechyan, Nikita Smirnov, K. Nayak, T. Nonaka, T. Huang, Yunpeng Liu, Derek Anderson, M. L. Kabir, H. Caines, A. Quintero, N. G. Minaev, B. Kimelman, M. Tokarev, P. Szymanski, T. D. S. Stanislaus, H. H. Wieman, J. Rusnak, G. Igo, M. Kocan, L. Ruan, K. Kauder, A. Taranenko, Qi Yang, Zuojia Wang, Q. H. Xu, Subhash Singha, Andrey Vasiliev, X.G. Li, Janet Elizabeth Seger, J. R. Adams, and I. M. Deppner
Subjects: Physics, Jet (fluid), 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Hadron, 01 natural sciences, Charged particle, Nuclear physics, Recoil, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Jet quenching, Event generator
Abstract: The STAR Collaboration at the Relativistic Heavy Ion Collider reports the first measurement of inclusive jet production in peripheral and central Au+Au collisions at sNN=200 GeV. Jets are reconstructed with the anti-kT algorithm using charged tracks with pseudorapidity |η
Published: 2020

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

Author: M. Sergeeva, Qi Yang, Joel Anthony Mazer, Z. Yang, Zuojia Wang, S. He, Q. H. Xu, Guo-Liang Ma, D. Tlusty, B. S. Page, Avishek Chatterjee, Li Yi, D. P. Kikola, P. Kravtsov, Fuwang Shen, F. Videbæk, M. Chevalier, Z. Chang, Chitrasen Jena, G. Agakishiev, Diana Pawlowska, B. Stringfellow, S. Bueltmann, D. Kincses, S. Lan, F. Seck, Alexander Kiselev, Maria Stefaniak, W. Christie, Madan M. Aggarwal, Fuqiang Wang, Y. F. Xu, Jongmin Lee, D. G. Underwood, Niladribihari Sahoo, Tong Liu, D. Cebra, J. C. Dunlop, L. Wen, G. Eppley, Y. Yang, Siwei Luo, N. Magdy, Lukas Holub, M. Posik, Arabinda Behera, H. M. Spinka, H. Z. Huang, Zhigang Xiao, T. Huang, Yunpeng Liu, N. G. Minaev, X. C. Chen, Subhash Singha, Andrey Vasiliev, Somnath Choudhury, Zubayer Ahammed, W. J. Llope, C. Zhou, R. Ma, J. Porter, D. Keane, Nilay Shah, Zhanwen Zhu, Bedangadas Mohanty, S. Vokal, P. Chaloupka, B. Kimelman, X.G. Li, Robert Licenik, J. Pluta, Anthony Robert Timmins, Adam Ryszard Kisiel, Janet Elizabeth Seger, R. Kunnawalkam Elayavalli, Z. Liu, Ivan Kisel, D. N. Svirida, Zebo Tang, A. Gibson, Alexander Jentsch, Audrey Francisco, C. Zhong, Ting Lin, N. Xu, P. Filip, M. I. Nagy, Y. F. Wu, M. Zyzak, Y. Fisyak, Roland Laszlo Pinter, H. J. Crawford, S. Fazio, Zongye Zhang, N. Chankova-Bunzarova, W. Li, J. K. Adkins, Z. J. Zhang, I. M. Deppner, Q. Y. Shou, A. V. Brandin, S. Trentalange, X. M. Sun, H. Liu, D. Zhang, N. Kulathunga Mudiyanselage, R. Fatemi, Lin Ma, Todd Kinghorn, P. Sorensen, Joseph Kwasizur, J. Cheng, T. Ljubicic, X. H. He, F. G. Atetalla, A. Attri, I. G. Bordyuzhin, Y. Li, J. R. Adams, G. D. Westfall, M. H. Kelsey, I. Upsal, R. Pak, Jiangyong Jia, O. D. Tsai, Vipul Bairathi, Benjamin Schweid, T. J. Humanic, A. Hamed, J. H. Thomas, D. Kapukchyan, M. Shao, G. Van Buren, Skipper Kagamaster, H. Caines, Irakli Chakaberia, F. Liu, J. M. Butterworth, L. V. Nogach, M. Cherney, Miroslav Simko, Shangfeng Yang, S. Esumi, S. S. Shi, Mariusz Przybycien, Rene Bellwied, Hua Pei, S. K. Tripathy, A. Quintero, Peng Huo, P. C. Weidenkaff, Isaac Mooney, F-H. Chang, W. Q. Shen, K. Gopal, J. H. Chen, C. J. Feng, Rajarshi Ray, Xiaoyu Liu, R. Witt, Zhenyu Chen, J. C. Webb, C-Q. Li, G. S. Averichev, P. Federic, C. Perkins, J. M. Nelson, S. Mioduszewski, R. S. Longacre, W. Guryn, E. P. Sichtermann, B. Pawlik, H. Sako, R. E. Tribble, R. Lacey, Christina Markert, M. L. Kabir, A. Ewigleben, H. S. Matis, L. S. Pinsky, Susumu Sato, David Stewart, Md. Nasim, Y. G. Ma, Jaroslav Bielcik, M. M. Mondal, Jana Bielcikova, S. Zhang, E. G. Judd, Jize Zhao, G. Wang, R. D. Majka, J. B. Singh, Prithwish Tribedy, B. K. Srivastava, Chong Kim, K. Yip, J. S. Wang, Hao Qiu, W. Solyst, Sevil Salur, D. A. Morozov, T. Edmonds, J. L. Romero, Y. Lin, R. Seto, L. K. Kosarzewski, W. W. Jacobs, J. Fedorisin, G. Igo, Muhammad Usman Ashraf, J. Lauret, J. L. Drachenberg, Z. Ye, C. Yang, Shengli Huang, B. K. Chan, Sergey Voloshin, J. Rusnak, Peng Liu, Lukas Kramarik, Michal Sumbera, A. A. P. Suaide, Yevheniia Khyzhniak, Olga Evdokimov, Yunlan Ji, R. Lednicky, L. Kochenda, Catherine Tomkiel, Z. Tu, T. G. Dedovich, K. Kauder, A. Taranenko, Xinyue Ju, Maowu Nie, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Sooraj Krishnan Radhakrishnan, Y. Hu, D. Kalinkin, E. Finch, Anju Bhasin, Donald M. Anderson, H. G. Ritter, M. Kocan, Roli Esha, Frank Jm Geurts, O. V. Rogachevskiy, S. Heppelmann, S. W. Wissink, D. Neff, Y. Zhang, Jay Roberts, Daniel Nemes, T. Ullrich, X. Huang, L. Ruan, K. Jiang, Y. Wang, D. Isenhower, S. Horvat, T. Galatyuk, Z. Z. Xu, B. J. Summa, N. Herrmann, Maria Zurek, E. Hoffman, I. G. Alekseev, K. Kang, Guannan Xie, Xuan Zhang, Y. Hong, K. Krueger, A. Kechechyan, T. Niida, M. A. Lisa, Nikita Smirnov, K. Nayak, A. Pandav, Yicheng Feng, J. Putschke, Xiaofeng Zhu, Ying Liang, Rafal Sikora, H. S. Xu, Wei Xie, A. Lebedev, L. Adamczyk, P. Seyboth, J. D. Nam, Hanna Paulina Zbroszczyk, W. Zha, K. N. Barish, A. Ogawa, Jan Vanek, T. Nonaka, Z. Moravcova, A. Aparin, S. Ramachandran, Vitaly Okorokov, O. Eyser, E. C. Aschenauer, Bernd Surrow, S. Margetis, R. Reed, N. K. Pruthi, N. Schmitz, X. Dong, E. Shahaliev, N. Elsey, P. V. Shanmuganathan, W. B. Schmidke, C. A. Gagliardi, M. Tokarev, T. Tarnowsky, P. Szymanski, T. D. S. Stanislaus, H. H. Wieman, M. S. Daugherity, A. A. Derevschikov, H. W. Ke, L. Fulek, W. He, J. D. Brandenburg, J. Engelage, G. Nigmatkulov, J. M. Landgraf, L. Didenko, D. Chen, M. Strikhanov, G. Odyniec, J. Sandweiss, I. Vassiliev, Lokesh Kumar, Jaroslav Adam, Y. H. Leung, Y. J. Sun, L. C. Bland, S. Kabana, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Dukhishyam Mallick, J. W. Harris, N. S. Lukow, X. G. Luo, A. H. Tang, Pengdong Wang, and Mate Csanad
Subjects: Physics, Quantum chromodynamics, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, Transverse momentum, 010306 general physics, Polarization (waves), 01 natural sciences, Helicity, Mathematical physics
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aparin, A; Aschenauer, EC; Ashraf, MU; Atetalla, FG; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Bueltmann, S; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chen, D; Chen, JH; Chen, X; Chen, Z; Cheng, J; Cherney, M; Chevalier, M; Choudhury, S; Christie, W; Crawford, HJ; Csanad, M; Daugherity, M; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dong, X; Drachenberg, JL; Dunlop, JC; Edmonds, T; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, A; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, CJ; Feng, Y; Filip, P; Finch, E; Fisyak, Y; Francisco, A; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Gopal, K; Grosnick, D; Guryn, W; Hamad, AI | Abstract: 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 λθφ, are measured as a function of transverse momentum (pT) in both the helicity and Collins-Soper (CS) reference frames within pTl10 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.
Published: 2020

4. Strange hadron production in Au+Au collisions at sNN=7.7 , 11.5, 19.6, 27, and 39 GeV

Author: S. Fazio, I. G. Bordyuzhin, James Brandenburg, K. N. Barish, Z. Ye, T. Tarnowsky, Maowu Nie, A. Kechechyan, Pradip Kumar Sahu, Maria Stefaniak, Lukas Holub, Subhasis Chattopadhyay, Bedangadas Mohanty, F. G. Atetalla, G. Eppley, Pavol Federic, A. A. Derevschikov, Dingwei Zhang, J. Pluta, N. Chankova-Bunzarova, Muhammad Usman Ashraf, Skipper Kagamaster, Subhash Singha, Y. K. Sun, Bernd Surrow, Paul Sorensen, Rene Bellwied, Brian Page, Yifan Hong, John Nelson, Nu Xu, Raghav Kunnawalkam Elayavalli, Xiangming Sun, Kejun Kang, L. V. Nogach, Jana Bielcikova, B. Huang, Z. Moravcova, N. K. Pruthi, O. D. Tsai, Xinyue Ju, Zhen Liu, Feng Liu, Norbert Herrmann, N. Elsey, J. Putschke, Chris Perkins, K. Gopal, Lanny Ray, A. V. Brandin, Janet Elizabeth Seger, Z. Chang, I. M. Deppner, Song Zhang, Neha Shah, Zebo Tang, A. Ogawa, Takafumi Niida, Vipul Bairathi, Lokesh Kumar, C. A. Gagliardi, Hans Georg Ritter, Jeong-Hun Lee, Peifeng Liu, F. Videbæk, Dmitri Smirnov, Hal Spinka, D. P. Kikola, H. Liu, Joseph Kwasizur, C. Zhong, E. C. Aschenauer, Wen-Qing Shen, Jaroslav Adam, Madan M. Aggarwal, David Stewart, Irakli Chakaberia, B. Stringfellow, Saskia Mioduszewski, Shusu Shi, M. Tokarev, Yang Yang, Matthew Kelsey, Yuanjing Ji, J. Engelage, Robert E. Tribble, Fuqiang Wang, D. K. Mishra, L. Didenko, Y. Fisyak, Qian Yang, Xiaolong Chen, Yaping Wang, Arabinda Behera, Richard Daniel Majka, X. Dong, B. Schmidke, Liang He, Hao-jie Xu, I. K. Yoo, Xiaoyu Liu, P. Chaloupka, Ting Lin, K. Oh, Chitrasen Jena, X. Zhu, Yifei Zhang, G. Nigmatkulov, Alexandre Alarcon Do Passo Suaide, Rongrong Ma, S. W. Wissink, Miroslav Simko, Ron Longacre, Mariusz Przybycien, F. Seck, P. Szymanski, A. I. Hamad, Sedigheh Jowzaee, Isaac Upsal, Dave Underwood, Xinjie Huang, Prithwish Tribedy, B. K. Srivastava, Juan M. Romero, Sevil Salur, M. Sergeeva, Qinghua Xu, Maksym Zyzak, J. Rusnak, Christina Markert, H. H. Wieman, O. Rusnakova, H. S. Matis, Nihar Sahoo, Cheng Li, D. Kapukchyan, Declan Keane, J. M. Landgraf, M. Lomnitz, Diana Pawlowska, L. K. Kosarzewski, E. P. Sichtermann, J. Lauret, Jing-Han Chen, Qiye Shou, Shengli Huang, M. Posik, H. W. Ke, L. Fulek, M. M. Mondal, E. G. Judd, P. Seyboth, Jan Vanek, Leszek Adamczyk, Shuai Yang, J. Schambach, D. Kalinkin, Xiaofeng Luo, Guo-Liang Ma, Chensheng Zhou, Alexander Vasiliev, Yevheniia Khyzhniak, S. Stanislaus, L. Kochenda, J. W. Harris, M. Kocan, Robert Licenik, I. G. Alekseev, Anthony Robert Timmins, Adam Ryszard Kisiel, Chong Kim, Siwei Luo, Anju Bhasin, R. Seto, Jianping Cheng, Li Yi, Z. Tu, M. A. Lisa, J. C. Mei, Tetsuro Sugiura, A. J. Bassill, J. C. Dunlop, L. Wen, L. Ruan, ShinIchi Esumi, B. K. Chan, Michal Sumbera, T. Ullrich, S. Heppelmann, C. Dilks, Roland Laszlo Pinter, Xin Li, B. J. Summa, Jaroslav Bielcik, T. G. Dedovich, Dmitry Morozov, M. Strikhanov, K. Yip, Zubayer Ahammed, Joseph Adams, Catherine Tomkiel, Hank Crawford, H. Z. Huang, Kishora Nayak, Rafal Sikora, S. Kabana, Ivan Kisel, P. Kravtsov, Fuwang Shen, J. Bryslawskyj, R. Fatemi, A. Lebedev, Manuel Calderon De La Barca Sanchez, Gang Wang, I. Bunzarov, O. Matonoha, Norbert Schmitz, Z. Y. Zhang, Yu-Gang Ma, Jiangyong Jia, Todd Kinghorn, Nalinda Kulathunga Mudiyanselage, O. V. Rogachevskiy, Vitalii Okorokov, Yi Wang, T. Nonaka, T. Todoroki, Guannan Xie, Isaac Mooney, Shenghui Zhang, Ming Shao, L. C. Bland, Arghya Chatterjee, R. Lednicky, Wei Li, Justin Ewigleben, A. Gibson, G. Odyniec, J. Sandweiss, William Jacobs, Hanna Paulina Zbroszczyk, Roli Esha, Feng-Han Chang, A. K. Bhati, T. Ljubicic, Wei Xie, M. Cherney, I. Vassiliev, Chi Yang, Rosi Reed, Daniel Nemes, S. Siejka, J. H. Thomas, Yuliang Sun, Jie Zhao, H. Caines, Yi-Fei Xu, A. Quintero, A. H. Tang, Mate Csanad, Hua Pei, Nasim, D. N. Svirida, S. K. Tripathy, R. Pak, A. Aparin, S. Ramachandran, J. L. Drachenberg, Olga Evdokimov, Yuanjing Li, Niseem Magdy Abdelwahab Abdelrahman, G. S. Averichev, Zhigang Xiao, Jagbir Singh, T. Huang, Nikolai Smirnov, O. Eyser, W. J. Llope, Joel Anthony Mazer, Z. Yang, Derek Anderson, Kun Jiang, Jay Roberts, Benjamin Schweid, T. J. Humanic, Alexander Jentsch, Zhenyu Ye, N. G. Minaev, Maria Zurek, A. Attri, K. Krueger, P. Huo, D. Arkhipkin, A. Hamed, E. Shahaliev, P. Filip, Yicheng Feng, Yang Wu, Anik Gupta, R. Witt, Lei Zhang, Xiaoping Zhang, J. M. Butterworth, Sergei A. Voloshin, Spiros Margetis, Gene Van Buren, Bill Christie, J. C. Webb, D. Tlusty, A. Lipiec, Zhongbin Xu, Lukas Kramarik, Frank Jm Geurts, T. Galatyuk, Sooraj Krishnan Radhakrishnan, E. Finch, W. Zha, Peng Liu, Wlodek Guryn, S. Vokal, Yue Liang, Y. Panebratsev, W. Solyst, Saehanseul Oh, D. Grosnick, J. Porter, R. Aoyama, Samuel Heppelmann, B. Tu, Tong Liu, S. Das, K. Meehan, G. Agakishiev, S. Horvat, Roy A. Lacey, T. Edmonds, Pengfei Wang, Gary Westfall, D. Cebra, S. Trentalange, Zhanwen Zhu, Kevin Adkins, Long Ma, Yanfang Liu, J. Fedorisin, B. Pawlik, P. V. Shanmuganathan, D. Mallick, G. Igo, K. Kauder, and A. Taranenko
Subjects: Physics, Strange quark, 010308 nuclear & particles physics, Nuclear Theory, Hadron, Strangeness production, Strangeness, 01 natural sciences, Baryon, Nuclear physics, 0103 physical sciences, Transverse mass, High Energy Physics::Experiment, Impact parameter, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We present STAR measurements of strange hadron (KS0, Λ, Λ¯, Ξ−, Ξ¯+, Ω−, Ω¯+, and ϕ) production at midrapidity (|y
Published: 2020

5. Beam energy dependence of net- Λ fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider

Author: A. Gibson, D. Kalinkin, S. Heppelmann, N. Kulathunga Mudiyanselage, B. J. Summa, Olga Evdokimov, S. Ramachandran, O. Eyser, Y. Yang, Nilay Shah, W. J. Llope, L. V. Nogach, Jay Roberts, J. Engelage, G. Nigmatkulov, Maria Zurek, J. M. Landgraf, M. Sergeeva, Jongmin Lee, C. Zhou, R. Ma, M. Strikhanov, K. Krueger, Yicheng Feng, H. Z. Huang, S. Vokal, G. Odyniec, J. Sandweiss, Mate Csanad, Joel Anthony Mazer, Z. Yang, Alexander Jentsch, J. Bryslawskyj, Lei Zhang, D. Tlusty, Shangfeng Yang, J. H. Chen, Rajarshi Ray, Niladribihari Sahoo, Tong Liu, B. S. Page, Avishek Chatterjee, Y. Hong, C. Yang, T. Ljubicic, D. P. Kikola, R. Witt, D. A. Morozov, T. Edmonds, Wei Xie, A. Attri, Y. Li, S. Mioduszewski, B. Stringfellow, A. Aparin, H. Caines, P. Federic, Prithwish Tribedy, B. K. Srivastava, Tetsuro Sugiura, Y. J. Sun, Shengli Huang, C. Dilks, Guannan Xie, A. Quintero, Xuan Zhang, S. Kabana, A. Ewigleben, K. Yip, C. Zhong, J. C. Dunlop, L. Wen, N. Schmitz, E. Shahaliev, Vitaly Okorokov, Bernd Surrow, J. M. Butterworth, N. Elsey, J. C. Webb, W. B. Schmidke, A. V. Brandin, Zebo Tang, I. Vassiliev, Zubayer Ahammed, C. A. Gagliardi, W. Solyst, J. Rusnak, Jiangyong Jia, E. P. Sichtermann, M. Kocan, Hanna Paulina Zbroszczyk, J. B. Singh, Q. Y. Shou, Madan M. Aggarwal, Fuqiang Wang, L. Ruan, J. H. Thomas, D. K. Mishra, R. Pak, Vipul Bairathi, Irakli Chakaberia, Jana Bielcikova, X. C. Chen, I. G. Alekseev, M. A. Lisa, J. C. Mei, D. Zhang, Robert Licenik, Isaac Mooney, F-H. Chang, S. Esumi, Anthony Robert Timmins, Adam Ryszard Kisiel, J. L. Romero, J. D. Brandenburg, Roland Laszlo Pinter, H. J. Crawford, J. K. Adkins, G. S. Averichev, C. Perkins, Jaroslav Bielcik, J. Porter, R. Fatemi, L. He, T. Ullrich, Lukas Kramarik, Sooraj Krishnan Radhakrishnan, G. Agakishiev, Roli Esha, Todd Kinghorn, Ivan Kisel, D. Cebra, T. G. Dedovich, I. Upsal, Zhanwen Zhu, O. V. Rogachevskiy, L. Didenko, Maria Stefaniak, E. Finch, Daniel Nemes, S. Horvat, M. Cherney, Z. Ye, H. S. Xu, Zhigang Xiao, T. Huang, Muhammad Usman Ashraf, Hua Pei, Z. Chang, S. K. Tripathy, R. Reed, K. N. Barish, Maowu Nie, F. Seck, Yunpeng Liu, M. Posik, X. Huang, A. Kechechyan, Arabinda Behera, Sergey Voloshin, H. M. Spinka, P. V. Shanmuganathan, Pradip Kumar Sahu, T. Nonaka, N. G. Minaev, Xinyue Ju, E. C. Aschenauer, J. W. Harris, T. Tarnowsky, X. M. Sun, X. G. Luo, P. Sorensen, Joseph Kwasizur, A. H. Tang, S. Margetis, K. Jiang, Pengdong Wang, M. Tokarev, Y. Wang, Y. F. Wu, N. Xu, P. Filip, M. Shao, G. Van Buren, I. Bunzarov, A. A. Derevschikov, O. Matonoha, P. Szymanski, X. Dong, T. D. S. Stanislaus, H. H. Wieman, S. S. Shi, R. Kunnawalkam Elayavalli, G. D. Westfall, S. Das, A. Gupta, Frank Jm Geurts, T. Galatyuk, D. Kapukchyan, J. M. Nelson, R. Seto, A. Lipiec, K. Meehan, Y. G. Ma, W. Zha, Lokesh Kumar, Jaroslav Adam, Peng Huo, L. C. Bland, W. Guryn, R. Lacey, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, B. K. Chan, Michal Sumbera, J. Fedorisin, A. A. P. Suaide, D. G. Underwood, Catherine Tomkiel, J. Cheng, S. W. Wissink, Y. Zhang, Dukhishyam Mallick, Xiaoyu Liu, M. M. Mondal, E. G. Judd, N. Magdy, Lukas Holub, Bedangadas Mohanty, Z. Liu, F. Videbæk, Sukalyan Chattopadhyay, Chitrasen Jena, M. Lomnitz, Diana Pawlowska, Yunlan Ji, Anju Bhasin, A. J. Bassill, K. Kang, B. Huang, T. Niida, A. Lebedev, L. Adamczyk, Guo-Liang Ma, Li Yi, R. S. Longacre, Z. Moravcova, P. Kravtsov, Fuwang Shen, Dmitry Smirnov, N. K. Pruthi, G. Igo, K. Kauder, A. Taranenko, Chong Kim, G. Eppley, Qi Yang, Donald M. Anderson, H. G. Ritter, W. Christie, Q. H. Xu, P. Chaloupka, Ting Lin, J. Pluta, M. Zyzak, Rafal Sikora, Subhash Singha, Andrey Vasiliev, J. R. Adams, S. Trentalange, P. Seyboth, N. Chankova-Bunzarova, W. Li, X.G. Li, Skipper Kagamaster, Janet Elizabeth Seger, Y. F. Xu, B. Pawlik, I. M. Deppner, J. Putschke, Jan Vanek, Rene Bellwied, Xiaofeng Zhu, Ying Liang, F. Liu, Miroslav Simko, S. Zhang, Mariusz Przybycien, R. E. Tribble, Jize Zhao, A. Ogawa, D. N. Svirida, H. Liu, Md. Nasim, R. D. Majka, J. L. Drachenberg, J. Schambach, Benjamin Schweid, T. J. Humanic, A. Hamed, H. W. Ke, L. Fulek, S. Fazio, Zongye Zhang, I. G. Bordyuzhin, M. H. Kelsey, G. Wang, C-Q. Li, Christina Markert, O. Rusnakova, H. S. Matis, L. K. Kosarzewski, N. Herrmann, W. W. Jacobs, J. Lauret, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, Z. Tu, S. Siejka, Y. Fisyak, Lin Ma, F. G. Atetalla, O. D. Tsai, W. Q. Shen, K. Gopal, David Stewart, Sevil Salur, Peng Liu, Y. Panebratsev, Saehanseul Oh, D. Grosnick, R. Aoyama, Z. Z. Xu, B. Tu, Nikita Smirnov, K. Nayak, D. Keane, and Siwei Luo
Subjects: Physics, Quantum chromodynamics, 010308 nuclear & particles physics, Nuclear Theory, Hadron, Strangeness, Quantum number, 01 natural sciences, Hadronization, Nuclear physics, 0103 physical sciences, Rapidity, Baryon number, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: The measurements of particle multiplicity distributions have generated considerable interest in understanding the fluctuations of conserved quantum numbers in the quantum chromodynamics (QCD) hadronization regime, in particular near a possible critical point and near the chemical freeze-out. Net-protons and net-kaons have been used as proxies for the net-baryon number and net-strangeness, respectively. We report the measurement of efficiency- and centrality-bin width-corrected cumulant ratios (C2/C1, C3/C2) of net-Λ distributions, in the context of both strangeness and baryon number conservation, as a function of collision energy, centrality, and rapidity. The results are for Au+Au collisions at five beam energies (sNN=19.6, 27, 39, 62.4, and 200 GeV) recorded with the Solenoidal Tracker at RHIC (STAR). We compare our results to the Poisson and negative binomial (NBD) expectations, as well as to ultrarelativistic quantum molecular dynamics (UrQMD) and hadron resonance gas (HRG) model predictions. Both NBD and Poisson baselines agree with data within the statistical and systematic uncertainties. UrQMD describes the measured net-ΛC1 and C3 at 200 GeV reasonably well but deviates from C2, and the deviation increases as a function of collision energy. The ratios of the measured cumulants show no features of critical fluctuations. The chemical freeze-out temperatures extracted from a recent HRG calculation, which was successfully used to describe the net-proton, net-kaon, and net-charge data, indicate Λ freeze-out conditions similar to those of kaons. However, large deviations are found when comparing with temperatures obtained from net-proton fluctuations. The net-Λ cumulants show a weak but finite dependence on the rapidity coverage in the acceptance of the detector, which can be attributed to quantum number conservation.
Published: 2020

6. First Measurement of Λc Baryon Production in Au+Au Collisions at sNN=200 GeV

Author: Jongmin Lee, R. L. Ray, Jorn Henning Putschke, R. Ma, Jaroslav Bielcik, A. V. Brandin, F. Videbæk, Y. Hu, T. Ljubicic, Takafumi Niida, O. V. Rogachevskiy, F. G. Atetalla, A. Quintero, Niseem Magdy, O. D. Tsai, H. Caines, M. Zyzak, Daniel Nemes, Jie Zhao, S. Horvat, J. W. Harris, Sujit Kumar Tripathy, Zhaoping Liu, Diana Pawlowska, P. C. Weidenkaff, N. S. Lukow, W. Q. Shen, K. Gopal, J. K. Adkins, W. Zha, Xuan Zhang, A. Francisco, D. N. Svirida, Nasim, R. Fatemi, Chong Kim, K. Yip, J. S. Wang, B. Pawlik, Todd Kinghorn, J. B. Singh, D. Tlusty, H. Liu, Sergey Voloshin, Xiaofeng Luo, Guo-Liang Ma, E. P. Sichtermann, Li Yi, K. Krueger, R. Lacey, H. G. Ritter, Xinyue Ju, Peter Q. Liu, Vitaly Okorokov, Nilay Shah, W. Guryn, P. Seyboth, David Stewart, G. Eppley, A. H. Tang, Pengdong Wang, Hanna Paulina Zbroszczyk, Lukas Holub, Bedangadas Mohanty, Justin Ewigleben, G. Odyniec, E. Hoffman, Rafal Sikora, P. Kravtsov, Fuwang Shen, Zebo Tang, I. Kisel, K. Jiang, T. G. Dedovich, Bernd Surrow, Wei Xie, N. Elsey, J. Porter, L. C. Bland, Sevil Salur, A. Jentsch, J. Fedorisin, Jan Vanek, Leszek Adamczyk, W. He, M. Kelsey, C. Zhong, J. Pluta, Z. Chang, W. B. Schmidke, M. Cherney, N. Chankova-Bunzarova, J. D. Nam, Zuojia Wang, A. Aparin, T. Ullrich, Lokesh Kumar, Hua Pei, C-Q. Li, P. Sorensen, M. S. Daugherity, Chi Yang, X. G. He, C. Perkins, Q. H. Xu, M. Calderon De La Barca Sanchez, A. I. Hamad, C. A. Gagliardi, Sedigheh Jowzaee, W. Li, V. Bairathi, Skipper Kagamaster, L. Ma, R. Kunnawalkam Elayavalli, Anju Bhasin, R. Reed, N. R. Sahoo, J. D. Brandenburg, D. G. Underwood, H. S. Xu, Z. J. Zhang, Christina Markert, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Y. Xu, D. Kincses, Rene Bellwied, M. Sergeeva, N. Schmitz, B.R. Schweid, Z. Chen, H. S. Matis, Z. Zhang, Madan M. Aggarwal, Y. Hong, Fuqiang Wang, D. Isenhower, A. Pandav, J. R. Adams, Susumu Sato, E. Shahaliev, S. Choudhury, K. Kauder, L. Didenko, I. Chakaberia, Z. Yang, R. E. Tribble, K. Kang, J. Cheng, Y. Lin, L. V. Nogach, E. C. Aschenauer, Siwei Luo, D. Kalinkin, Zhigang Xiao, Frank Jm Geurts, S. Margetis, A. Lebedev, T. Huang, W. Solyst, N. G. Minaev, Samuel Heppelmann, M. Nie, K. N. Barish, Z. Moravcova, W. W. Jacobs, T. J. Humanic, R. Witt, K. Nayak, J. Lauret, T. Galatyuk, X. Dong, J. H. Thomas, Y. Fisyak, D. Zhang, Yunpeng Liu, Derek Anderson, N. Kulathunga Mudiyanselage, C. Zhou, R. Esha, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, B. J. Summa, T. Tarnowsky, Z. Tu, A. Hamed, S. Esumi, M. I. Nagy, F-H. Chang, Q. Yang, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, Hiroyuki Sako, L. Fulek, P. Szymanski, Xiaoyu Liu, Yawen Wang, Tong Liu, G. Agakishiev, D. Cebra, Arghya Chatterjee, Yunlan Ji, Roland Laszlo Pinter, H. J. Crawford, S. Mioduszewski, Y. Li, B. Kimelman, R. S. Longacre, G. Wang, Zhanwen Zhu, X. Huang, A. Kechechyan, Lawrence Pinsky, S. Kabana, G. S. Averichev, E. G. Judd, D. Kapukchyan, D. Keane, A. A. Derevschikov, M. L. Kabir, Prithwish Tribedy, B. K. Srivastava, D. Mallick, Y. H. Leung, J. Rusnak, Nikolai Smirnov, M. Csanad, Isaac Mooney, Xiangming Sun, J. Jia, Shize Yang, W. Christie, M. Kocan, P. Federic, Xiaofeng Zhu, Ying Liang, T. Nonaka, N. Herrmann, Arabinda Behera, L. Ruan, S. Lan, Yinina Ma, F. Seck, I. G. Alekseev, M. A. Lisa, Subhash Singha, Andrey Vasiliev, J. Engelage, M. Posik, Shengli Huang, Jana Bielcikova, G. Igo, S. Ramachandran, A. Ogawa, B. K. Chan, Michal Sumbera, A. A. P. Suaide, D. A. Morozov, H. M. Spinka, X.G. Li, G. Nigmatkulov, J. L. Romero, O. Eyser, Catherine Tomkiel, J. C. Webb, J. L. Drachenberg, Janet Elizabeth Seger, J. Butterworth, I. G. Bordyuzhin, Olga Evdokimov, M. Tokarev, I. Vassiliev, Z. Ye, Lukas Kramarik, J. M. Landgraf, N. Xu, P. Filip, D. Chen, Hengshan Qiu, R. Seto, E. Finch, Y. F. Xu, I. M. Deppner, I. Upsal, S. W. Wissink, D. Neff, Y. Zhang, M. Strikhanov, G. D. Westfall, J. A. Mazer, S. K. Radhakrishnan, Jay Roberts, F. Liu, Miroslav Simko, B. S. Page, Maria Zurek, P. V. Shanmuganathan, Mariusz Przybycien, J. Sandweiss, Y. Yang, H. W. Ke, T. D. S. Stanislaus, Yicheng Feng, D. P. Kikola, L. K. Kosarzewski, J. C. Dunlop, L. Wen, M. U. Ashraf, C. Jena, Zubayer Ahammed, H. H. Wieman, B. Stringfellow, R. D. Majka, Q. Y. Shou, H. Z. Huang, S. Vokal, J. M. Nelson, N. K. Pruthi, R. Pak, W. J. Llope, G. Xie, J. Adam, A. Attri, C. J. Feng, P. Huo, T. Edmonds, Y. J. Sun, S. Fazio, Xuliang Chen, Maria Stefaniak, Joseph Kwasizur, M. Shao, G. Van Buren, S. S. Shi, Jing-Han Chen, Arkadiy Taranenko, Yong Wu, A. Gibson, S. Zhang, Alexander Kiselev, P. Chaloupka, Ting Lin, Z. J. Xu, S. Trentalange, and M. Chevalier
Subjects: Physics, Meson, Star (game theory), Nuclear Theory, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Hadronization, Baryon, Nuclear physics, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report on the first measurement of the charmed baryon Λ_{c}^{±} production at midrapidity (|y
Published: 2020

7. Underlying event measurements in p+p collisions at s=200 GeV at RHIC

Author: F. G. Atetalla, X. Zhu, Xiangming Sun, A. H. Tang, Christina Markert, Lokesh Kumar, Lawrence Pinsky, Wen-Qing Shen, H. S. Matis, Z. Chang, H. Sako, P. C. Weidenkaff, Jaroslav Adam, Lukas Holub, Bedangadas Mohanty, Siwei Luo, L. K. Kosarzewski, Y. H. Leung, D. Kincses, Saskia Mioduszewski, Shusu Shi, S. Lan, Zhongbin Xu, K. Gopal, Z. Moravcova, S. Vokal, Yue Liang, F. Seck, Lanny Ray, Robert E. Tribble, Xiaolong Chen, Arabinda Behera, B. K. Chan, Michal Sumbera, M. Posik, Benjamin Schweid, T. J. Humanic, Catherine Tomkiel, Hank Crawford, D. Neff, Lukas Kramarik, Paul Sorensen, J. Lauret, N. K. Pruthi, G. Agakishiev, A. Hamed, Audrey Francisco, Sooraj Krishnan Radhakrishnan, Rongrong Ma, Xiaoyu Liu, E. G. Judd, T. G. Dedovich, Nihar Sahoo, S. Horvat, D. Cebra, J. Rusnak, E. Finch, Yevheniia Khyzhniak, S. Trentalange, Joseph Kwasizur, S. Stanislaus, L. Kochenda, H. Liu, Z. Tu, A. I. Hamad, Sedigheh Jowzaee, Dave Underwood, Yuanjing Ji, Zhanwen Zhu, M. Kocan, L. Ruan, C. J. Feng, G. Eppley, Joseph Adams, J. Engelage, G. Nigmatkulov, F. Videbæk, James Brandenburg, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, Yi Wang, T. Nonaka, Wei Li, David Stewart, Ivan Kisel, Declan Keane, Jiangyong Jia, D. P. Kikola, Long Ma, B. Stringfellow, J. C. Dunlop, L. Wen, Isaac Upsal, Roy A. Lacey, T. Edmonds, J. Pluta, K. N. Barish, Wei Xie, J. D. Nam, Pengfei Wang, Alexander Kiselev, B. Schmidke, Chris Perkins, N. Chankova-Bunzarova, Skipper Kagamaster, Subhash Singha, S. Fazio, Chitrasen Jena, Sevil Salur, Yanfang Liu, Roland Laszlo Pinter, R. Fatemi, A. Aparin, Yifan Hong, Yu Zhang, J. W. Harris, Z. Ye, M. S. Daugherity, I. G. Bordyuzhin, J. M. Landgraf, Rene Bellwied, P. V. Shanmuganathan, D. Chen, Dmitry Morozov, Yifei Zhang, Diana Pawlowska, J. Fedorisin, Zhiwan Xu, Isaac Mooney, Shenghui Zhang, Todd Kinghorn, Maowu Nie, Song Zhang, T. Tarnowsky, Ming Shao, B. Pawlik, Zebo Tang, I. G. Alekseev, William Jacobs, E. P. Sichtermann, E. Shahaliev, H. W. Ke, Zubayer Ahammed, N. S. Lukow, M. A. Lisa, Alexander Vasiliev, L. Fulek, M. Strikhanov, D. Mallick, L. C. Bland, Xiaofeng Luo, Guo-Liang Ma, A. Kechechyan, Norbert Schmitz, M. Cherney, Yaping Wang, Rosi Reed, D. Kalinkin, Y. Xu, Marton Imre Nagy, J. H. Thomas, S. Heppelmann, Xin Li, B. J. Summa, Yuliang Sun, P. Chaloupka, I. Vassiliev, Ting Lin, Nu Xu, Li Yi, Z. P. Zhang, Hua Pei, S. K. Tripathy, G. Igo, Pavol Federic, A. A. Derevschikov, Feng-Han Chang, Gary Westfall, Raghav Kunnawalkam Elayavalli, Shu He, A. Gibson, G. Odyniec, Jing-Han Chen, Kevin Adkins, Z. Y. Zhang, Qiye Shou, Kejun Kang, L. V. Nogach, Muhammad Usman Ashraf, J. Sandweiss, S. Kabana, Chi Yang, Jian-Song Wang, Mate Csanad, Nasim, P. Kravtsov, Fuwang Shen, Peng Liu, Wlodek Guryn, Y. Panebratsev, Nalinda Kulathunga Mudiyanselage, Saehanseul Oh, D. Grosnick, Alexandre Alarcon Do Passo Suaide, Qinghua Xu, Yi-Fei Xu, X. H. He, Niseem Magdy Abdelwahab Abdelrahman, Maksym Zyzak, Z. Wang, S. Ramachandran, D. N. Svirida, Janet Elizabeth Seger, Joel Anthony Mazer, Z. Yang, O. D. Tsai, Cheng Li, D. Kapukchyan, R. Pak, Chensheng Zhou, Norbert Herrmann, Spiros Margetis, O. Eyser, Xinyue Ju, Zhen Liu, K. Kauder, A. Taranenko, Sergei A. Voloshin, Feng Liu, Kishora Nayak, Maria Stefaniak, J. Putschke, Y. Fisyak, Zhigang Xiao, D. Tlusty, Jagbir Singh, T. Huang, J. M. Butterworth, D. Isenhower, Z. Chen, J. C. Webb, Yuanjing Li, G. S. Averichev, Derek Anderson, I. M. Deppner, H. Qiu, M. Tokarev, Yang Yang, Matthew Kelsey, T. Ullrich, Hans Georg Ritter, A. Ogawa, Anju Bhasin, Roli Esha, R. Seto, Samuel Heppelmann, P. Szymanski, N. G. Minaev, Daniel Nemes, Tong Liu, Chong Kim, Xinjie Huang, B. Kimelman, Peifeng Liu, Jie Zhao, H. H. Wieman, W. Solyst, Prithwish Tribedy, B. K. Srivastava, Juan M. Romero, H. Z. Huang, Dingwei Zhang, A. Pandav, M. Chevalier, Y. Hu, E. Hoffman, Rafal Sikora, Shengli Huang, P. Filip, P. Seyboth, Hal Spinka, A. Lebedev, J. L. Drachenberg, M. Sergeeva, Jana Bielcikova, Olga Evdokimov, Annika Ewigleben, Manuel Calderon De La Barca Sanchez, Gang Wang, Jan Vanek, Leszek Adamczyk, Gene Van Buren, Susumu Sato, W. Zha, Nikolai Smirnov, Xiaoping Zhang, T. Ljubicic, Kun Jiang, J. Porter, Jay Roberts, Zhenyu Ye, Hao-jie Xu, Brian Page, Maria Zurek, H. Caines, A. V. Brandin, W. He, Bill Christie, K. Krueger, Jianping Cheng, A. Quintero, Subikash Choudhury, Yicheng Feng, Takafumi Niida, Vipul Bairathi, R. Witt, Irakli Chakaberia, Neha Shah, C. Zhong, E. C. Aschenauer, Arghya Chatterjee, L. Didenko, X. Dong, Jeong-Hun Lee, Miroslav Simko, Ron Longacre, Mariusz Przybycien, Shuai Yang, Jaroslav Bielcik, O. V. Rogachevskiy, Vitalii Okorokov, Yang Wu, Yufu Lin, Frank Jm Geurts, T. Galatyuk, Guannan Xie, R. Lednicky, Hanna Paulina Zbroszczyk, Qian Yang, Richard Daniel Majka, Y. K. Sun, Bernd Surrow, K. Yip, S. W. Wissink, ShinIchi Esumi, N. Elsey, Latiful Kabir, Yu-Gang Ma, C. A. Gagliardi, W. J. Llope, Alexander Jentsch, Madan M. Aggarwal, A. Attri, Fuqiang Wang, P. Huo, and John Nelson
Subjects: Physics, Proton, Transverse momentum, Chatterjee, Underlying event, Mathematical physics
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aparin, A; Aschenauer, EC; Ashraf, MU; Atetalla, FG; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chen, D; Chen, JH; Chen, X; Chen, Z; Cheng, J; Cherney, M; Chevalier, M; Choudhury, S; Christie, W; Crawford, HJ; Csanad, M; Daugherity, M; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dong, X; Drachenberg, JL; Dunlop, JC; Edmonds, T; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, A; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, CJ; Feng, Y; Filip, P; Finch, E; Fisyak, Y; Francisco, A; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Gopal, K; Grosnick, D; Guryn, W; Hamad, AI; Hamed, A | Abstract: Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum (pT) jet in proton+proton collisions at s=200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest-pT jet direction: In the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6 and the mean transverse momentum
Published: 2020

8. Bulk properties of the system formed in Au+Au collisions at sNN=14.5 GeV at the BNL STAR detector

Author: A. V. Brandin, A. Gibson, C. Zhong, J. C. Dunlop, L. Wen, N. Xu, P. Filip, Z. Chang, Zubayer Ahammed, Y. Fisyak, Vipul Bairathi, G. D. Westfall, J. M. Butterworth, S. Lan, F. Seck, Lin Ma, J. C. Webb, Qi Yang, Zuojia Wang, Irakli Chakaberia, M. Posik, Y. Hong, Muhammad Usman Ashraf, Zhenyu Chen, M. Sergeeva, Q. Y. Shou, Xiaoyu Liu, A. Pandav, Guannan Xie, Arabinda Behera, H. M. Spinka, H. Sako, Jana Bielcikova, Xuan Zhang, J. L. Romero, Lukas Kramarik, Sooraj Krishnan Radhakrishnan, E. Finch, Sergey Voloshin, Q. H. Xu, Xinyue Ju, Susumu Sato, Hao Qiu, R. Pak, M. I. Nagy, Y. F. Wu, W. Solyst, Chong Kim, Somnath Choudhury, M. Tokarev, J. Rusnak, M. Kocan, Hanna Paulina Zbroszczyk, Alexander Kiselev, D. Kapukchyan, K. Jiang, Y. Wang, Mate Csanad, L. Ruan, E. G. Judd, J. Porter, F. Liu, Miroslav Simko, N. Kulathunga Mudiyanselage, Mariusz Przybycien, B. S. Page, Avishek Chatterjee, Ivan Kisel, P. Seyboth, H. G. Ritter, P. Szymanski, D. P. Kikola, J. R. Adams, Wei Xie, L. S. Pinsky, K. Yip, J. D. Nam, Joel Anthony Mazer, Z. Yang, B. Stringfellow, A. Aparin, R. Witt, Frank Jm Geurts, T. Galatyuk, Z. J. Zhang, T. D. S. Stanislaus, E. Hoffman, H. H. Wieman, Jaroslav Bielcik, S. He, R. Reed, J. S. Wang, Jan Vanek, N. Schmitz, E. Shahaliev, L. V. Nogach, Md. Nasim, Rafal Sikora, Maria Stefaniak, N. Magdy, R. D. Majka, S. Mioduszewski, Yunlan Ji, R. S. Longacre, Lukas Holub, Bedangadas Mohanty, G. Agakishiev, D. Tlusty, J. L. Drachenberg, Siwei Luo, Y. Hu, O. V. Rogachevskiy, Y. Li, Alexandre Alarcon Do Passo Suaide, I. Vassiliev, F. Videbæk, Prithwish Tribedy, B. K. Srivastava, J. H. Thomas, P. Federic, W. J. Llope, C. Zhou, P. Chaloupka, Ting Lin, Alexander Jentsch, Peng Huo, M. L. Kabir, S. Trentalange, D. Cebra, Niladribihari Sahoo, Tong Liu, W. Christie, F-H. Chang, Shengli Huang, Olga Evdokimov, Madan M. Aggarwal, Subhash Singha, Andrey Vasiliev, X.G. Li, Fuqiang Wang, D. K. Mishra, Zhigang Xiao, T. Huang, Yunpeng Liu, Derek Anderson, Z. Ye, G. Wang, G. Igo, N. G. Minaev, Maowu Nie, X. Huang, A. Kechechyan, Zhanwen Zhu, T. Nonaka, W. Guryn, A. Attri, X. M. Sun, R. Lacey, B. Kimelman, X. C. Chen, G. S. Averichev, B. Pawlik, Z. Liu, Janet Elizabeth Seger, J. B. Singh, K. Kauder, A. Taranenko, P. Sorensen, Robert Licenik, F. G. Atetalla, O. D. Tsai, D. Kalinkin, S. Heppelmann, B. J. Summa, Jay Roberts, Jiangyong Jia, Maria Zurek, Joseph Kwasizur, D. Zhang, I. M. Deppner, Anthony Robert Timmins, Anju Bhasin, Adam Ryszard Kisiel, P. C. Weidenkaff, I. G. Alekseev, Y. F. Xu, S. Esumi, K. Krueger, Zebo Tang, Isaac Mooney, K. Kang, T. Niida, M. S. Daugherity, M. Shao, G. Van Buren, Y. Yang, Vitaly Okorokov, M. A. Lisa, W. Q. Shen, K. Gopal, T. G. Dedovich, S. Zhang, A. Lebedev, L. Adamczyk, Roland Laszlo Pinter, Yicheng Feng, H. J. Crawford, J. Fedorisin, B. K. Chan, J. Engelage, Michal Sumbera, J. K. Adkins, G. Nigmatkulov, Bernd Surrow, Z. Moravcova, H. W. Ke, L. Fulek, N. Elsey, S. S. Shi, Y. J. Sun, Catherine Tomkiel, Nilay Shah, R. Fatemi, Todd Kinghorn, N. Herrmann, W. B. Schmidke, C. A. Gagliardi, S. Ramachandran, N. K. Pruthi, S. Kabana, G. Eppley, Chitrasen Jena, O. Eyser, J. M. Landgraf, J. M. Nelson, C. Perkins, H. Liu, S. W. Wissink, J. Pluta, M. Zyzak, D. Neff, Y. Zhang, I. Upsal, D. Chen, D. G. Underwood, M. Strikhanov, D. N. Svirida, Y. G. Ma, N. Chankova-Bunzarova, W. Li, Skipper Kagamaster, David Stewart, Benjamin Schweid, Rene Bellwied, T. J. Humanic, A. Hamed, R. E. Tribble, M. Cherney, H. Z. Huang, Diana Pawlowska, S. Vokal, C. Yang, Sevil Salur, G. Odyniec, J. Sandweiss, Hua Pei, Y. Lin, S. K. Tripathy, Audrey Francisco, J. Cheng, Shangfeng Yang, J. H. Chen, C. J. Feng, Rajarshi Ray, Roli Esha, D. A. Morozov, T. Edmonds, Daniel Nemes, Jie Zhao, S. Horvat, D. Keane, W. Zha, Peng Liu, Y. Panebratsev, Saehanseul Oh, D. Grosnick, D. Kincses, D. Isenhower, Z. Z. Xu, Nikita Smirnov, K. Nayak, Guo-Liang Ma, Li Yi, P. Kravtsov, Fuwang Shen, C-Q. Li, Christina Markert, H. S. Matis, L. K. Kosarzewski, W. W. Jacobs, J. Lauret, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, Z. Tu, S. Fazio, Zongye Zhang, I. G. Bordyuzhin, M. H. Kelsey, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Dukhishyam Mallick, J. Putschke, Xiaofeng Zhu, Ying Liang, J. W. Harris, A. Ogawa, N. S. Lukow, X. G. Luo, A. H. Tang, Pengdong Wang, Lokesh Kumar, Jaroslav Adam, Y. H. Leung, L. C. Bland, W. He, J. D. Brandenburg, L. Didenko, R. Kunnawalkam Elayavalli, R. Seto, K. N. Barish, E. C. Aschenauer, S. Margetis, P. V. Shanmuganathan, T. Tarnowsky, X. Dong, M. Chevalier, Jongmin Lee, R. Ma, A. A. Derevschikov, T. Ljubicic, X. H. He, H. Caines, A. Quintero, E. P. Sichtermann, T. Ullrich, H. S. Xu, and Justin Ewigleben
Subjects: Physics, 010308 nuclear & particles physics, Elliptic flow, 01 natural sciences, Spectral line, Charged particle, Nuclear physics, Pseudorapidity, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Beam energy, STAR detector
Abstract: We report systematic measurements of bulk properties of the system created in Au+Au collisions at sNN=14.5 GeV recorded by the STAR detector at the Relativistic Heavy Ion Collider (RHIC). The transverse momentum spectra of π±, K±, and p(p¯) are studied at midrapidity (|y
Published: 2020

9. Beam-energy dependence of identified two-particle angular correlations in sNN=7.7–200 GeV Au+Au collisions

Author: Mate Csanad, J. B. Singh, Chitrasen Jena, Joel Anthony Mazer, Z. Yang, D. Tlusty, M. Lomnitz, Diana Pawlowska, Roli Esha, Yunlan Ji, T. G. Dedovich, Daniel Nemes, J. W. Harris, S. Horvat, N. S. Lukow, Niladribihari Sahoo, Tong Liu, B. Huang, Guo-Liang Ma, X. C. Chen, D. Kincses, X. G. Luo, B. K. Chan, Michal Sumbera, A. A. P. Suaide, Catherine Tomkiel, Jaroslav Bielcik, Z. Moravcova, Li Yi, P. Kravtsov, Fuwang Shen, B. Pawlik, A. H. Tang, Pengdong Wang, N. K. Pruthi, Y. Hu, W. Zha, P. Seyboth, I. G. Alekseev, M. A. Lisa, J. C. Mei, A. V. Brandin, O. Matonoha, O. V. Rogachevskiy, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, Qi Yang, Zuojia Wang, Q. H. Xu, C. Yang, E. P. Sichtermann, Muhammad Usman Ashraf, W. J. Llope, G. Eppley, S. Zhang, Roland Laszlo Pinter, H. J. Crawford, S. W. Wissink, D. Neff, Y. Zhang, Vipul Bairathi, Sergey Voloshin, Xinyue Ju, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, J. Putschke, Xiaofeng Zhu, Ying Liang, N. Kulathunga Mudiyanselage, J. Engelage, D. G. Underwood, Jan Vanek, Irakli Chakaberia, J. Pluta, M. Zyzak, C. Zhou, J. K. Adkins, N. Magdy, Zebo Tang, N. Chankova-Bunzarova, K. Jiang, W. Li, Skipper Kagamaster, Y. Wang, I. Vassiliev, A. Ogawa, G. Nigmatkulov, Rene Bellwied, W. Christie, R. Fatemi, J. R. Adams, Todd Kinghorn, Alexander Kiselev, D. Keane, Alexander Jentsch, Lukas Holub, Bedangadas Mohanty, Vitaly Okorokov, Z. Chang, C-Q. Li, J. Cheng, Dukhishyam Mallick, Y. F. Xu, J. M. Landgraf, Christina Markert, R. E. Tribble, O. Rusnakova, Jize Zhao, Subhash Singha, Andrey Vasiliev, Y. Li, I. Upsal, J. Rusnak, Z. Liu, Bernd Surrow, A. Attri, L. V. Nogach, T. Ullrich, Y. Lin, H. S. Matis, Peng Huo, D. Chen, L. K. Kosarzewski, C. Perkins, X.G. Li, N. Elsey, R. S. Longacre, W. W. Jacobs, G. Agakishiev, M. Strikhanov, W. Guryn, M. Cherney, Janet Elizabeth Seger, S. Lan, R. Lacey, F. Seck, J. Lauret, M. Kocan, I. M. Deppner, P. Federic, L. Ruan, Guannan Xie, P. Chaloupka, L. S. Pinsky, K. Yip, Lokesh Kumar, Ting Lin, Xuan Zhang, Anju Bhasin, F. G. Atetalla, M. L. Kabir, O. D. Tsai, Xiaoyu Liu, Z. Ye, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, Siwei Luo, D. Cebra, Hua Pei, S. K. Tripathy, H. S. Xu, A. J. Bassill, M. Posik, Z. Tu, J. Fedorisin, J. S. Wang, Jaroslav Adam, W. B. Schmidke, P. C. Weidenkaff, S. Trentalange, K. Kang, T. Niida, Hanna Paulina Zbroszczyk, C. A. Gagliardi, G. Igo, Maowu Nie, X. Huang, M. M. Mondal, Zhanwen Zhu, Y. H. Leung, M. Chevalier, A. Lebedev, L. Adamczyk, G. Odyniec, J. Sandweiss, Arabinda Behera, H. M. Spinka, Y. J. Sun, Jongmin Lee, Y. Hong, L. C. Bland, S. Fazio, Zongye Zhang, A. Kechechyan, W. Q. Shen, K. Gopal, Frank Jm Geurts, T. Galatyuk, E. G. Judd, H. Liu, K. Kauder, A. Taranenko, Madan M. Aggarwal, Fuqiang Wang, T. Nonaka, I. G. Bordyuzhin, Maria Stefaniak, Justin Ewigleben, A. Gibson, C. Zhong, M. H. Kelsey, S. Kabana, Somnath Choudhury, A. Pandav, R. Ma, K. Meehan, R. Reed, Jiangyong Jia, David Stewart, Sevil Salur, M. Sergeeva, J. Porter, D. N. Svirida, Peng Liu, Benjamin Schweid, T. J. Humanic, A. Hamed, T. Ljubicic, J. M. Butterworth, Isaac Mooney, J. C. Webb, Ivan Kisel, M. Tokarev, Y. Panebratsev, Saehanseul Oh, D. Grosnick, F. Liu, Miroslav Simko, Mariusz Przybycien, Y. Fisyak, D. Zhang, Susumu Sato, Z. J. Zhang, B. S. Page, Avishek Chatterjee, X. H. He, D. Isenhower, X. M. Sun, Z. Z. Xu, P. Sorensen, Hao Qiu, Joseph Kwasizur, D. P. Kikola, W. Solyst, S. Esumi, Nikita Smirnov, K. Nayak, B. Stringfellow, Md. Nasim, R. D. Majka, P. Szymanski, T. D. S. Stanislaus, Y. Yang, Lin Ma, J. L. Drachenberg, M. Shao, G. Van Buren, H. H. Wieman, Nilay Shah, H. Caines, A. Quintero, S. S. Shi, J. H. Thomas, Zhigang Xiao, T. Huang, F-H. Chang, J. M. Nelson, M. S. Daugherity, G. S. Averichev, Y. G. Ma, Yunpeng Liu, H. W. Ke, N. G. Minaev, L. Fulek, Chong Kim, N. Xu, Donald M. Anderson, H. G. Ritter, G. Wang, E. Hoffman, Rafal Sikora, P. Filip, G. D. Westfall, S. Das, E. C. Aschenauer, S. Margetis, X. Dong, N. Herrmann, Olga Evdokimov, Jay Roberts, Maria Zurek, K. Krueger, K. N. Barish, Yicheng Feng, P. V. Shanmuganathan, T. Tarnowsky, D. Kalinkin, A. A. Derevschikov, S. Heppelmann, B. J. Summa, J. C. Dunlop, L. Wen, Zubayer Ahammed, R. Kunnawalkam Elayavalli, S. Ramachandran, O. Eyser, Q. Y. Shou, R. Seto, R. Pak, H. Z. Huang, S. Vokal, Audrey Francisco, R. Witt, W. He, J. D. Brandenburg, S. Mioduszewski, Shangfeng Yang, J. H. Chen, C. J. Feng, Rajarshi Ray, L. Didenko, D. A. Morozov, T. Edmonds, Prithwish Tribedy, B. K. Srivastava, Shengli Huang, H. Sako, Jana Bielcikova, J. L. Romero, Lukas Kramarik, Sooraj Krishnan Radhakrishnan, E. Finch, M. I. Nagy, Y. F. Wu, D. Kapukchyan, Wei Xie, J. D. Nam, A. Aparin, N. Schmitz, E. Shahaliev, and F. Videbæk
Subjects: Physics, Proton, 010308 nuclear & particles physics, Chatterjee, Collision system, Transport theory, 01 natural sciences, Nuclear physics, Correlation function (statistical mechanics), Pion, Angular correlation, 0103 physical sciences, 010306 general physics, Beam energy
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aparin, A; Aschenauer, EC; Ashraf, MU; Atetalla, FG; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Butterworth, J; Caines, H; Sanchez, M Calderon de la Barca; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, F-H; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chen, D; Chen, JH; Chen, X; Cheng, J; Cherney, M; Chevalier, M; Choudhury, S; Christie, W; Crawford, HJ; Csanad, M; Das, S; Daugherity, M; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dong, X; Drachenberg, JL; Dunlop, JC; Edmonds, T; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, CJ; Feng, Y; Filip, P; Finch, E; Fisyak, Y; Francisco, A; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Gopal, K; Grosnick, D; Guryn, W; Hamad, AI | Abstract: The two-particle angular correlation functions, $R_2$, of pions, kaons, and protons in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV were measured by the STAR experiment at RHIC. These correlations were measured for both like-sign and unlike-sign charge combinations and versus the centrality. The correlations of pions and kaons show the expected near-side ({\it i.e.}, at small relative angles) peak resulting from short-range mechanisms. The amplitudes of these short-range correlations decrease with increasing beam energy. However, the proton correlation functions exhibit strong anticorrelations in the near-side region. This behavior is observed for the first time in an A+A collision system. The observed anticorrelation is $p_{T}$-independent and decreases with increasing beam energy and centrality. The experimental results are also compared to the Monte Carlo models UrQMD, Hijing, and AMPT.
Published: 2020

10. First Observation of the Directed Flow of D0 and D0¯ in Au+Au Collisions at sNN=200 GeV

Author: A. V. Brandin, D. Tlusty, Peng Huo, C-Q. Li, Christina Markert, D. Smirnov, Vipul Bairathi, O. Rusnakova, H. S. Matis, A. K. Bhati, Yawen Wang, R. Witt, D. Keane, Nikolai Smirnov, W. Guryn, Z. Moravcova, B. J. Summa, R. Lacey, S. Mioduszewski, W. W. Jacobs, J. Engelage, H. Z. Huang, S. Vokal, F. Liu, D. A. Morozov, T. Edmonds, Mariusz Przybycien, S. Ramachandran, Q. H. Xu, O. Eyser, J. Lauret, J. L. Romero, Prithwish Tribedy, B. K. Srivastava, G. Nigmatkulov, Yunlan Ji, S. Fazio, Xuliang Chen, Y. Yang, J. Fedorisin, Lukas Kramarik, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, E. Finch, Arka Chatterjee, T. Tarnowsky, Z. Tu, Chong Kim, F. G. Atetalla, O. D. Tsai, J. M. Landgraf, N. Xu, Maria Stefaniak, Muhammad Usman Ashraf, B. Pawlik, J. C. Dunlop, L. Wen, P. Filip, R. D. Majka, H. G. Ritter, M. A. Szelezniak, Sergey Voloshin, J. L. Drachenberg, M. Calderon De La Barca Sanchez, A. I. Hamad, Y. Li, S. Singha, C. Jena, Zubayer Ahammed, B. Huang, Xinyue Ju, M. Strikhanov, Rafal Sikora, Sedigheh Jowzaee, Tetsuro Sugiura, Y. J. Sun, C. Dilks, G. D. Westfall, J. Schambach, N. K. Pruthi, W. Q. Shen, K. Gopal, D. G. Underwood, K. Jiang, Yong Wu, Q. Y. Shou, Anju Bhasin, G. Xie, A. J. Bassill, R. Pak, M. Csanad, G. Eppley, M. Sergeeva, T. J. Humanic, R. Esha, H. Liu, David Stewart, Nilay Shah, R. S. Longacre, J. Pluta, J. Sandweiss, Joseph Kwasizur, Olga Evdokimov, K. Kang, T. Niida, Xiaofeng Zhu, Ying Liang, I. Upsal, Abdel Nasser Tawfik, N. Chankova-Bunzarova, W. Li, Y. Fisyak, A. Lebedev, Skipper Kagamaster, D. Kapukchyan, A. Ogawa, Jay Roberts, Siwei Luo, B. S. Page, Maria Zurek, J. B. Singh, M. Nie, Sevil Salur, Y. Panebratsev, H. W. Ke, P. V. Shanmuganathan, J. W. Harris, Saehanseul Oh, D. Grosnick, M. Shao, G. Van Buren, S. S. Shi, Yicheng Feng, L. Ma, Rene Bellwied, R. E. Tribble, D. P. Kikola, A. Gibson, S. Zhang, B. Stringfellow, L. Zhang, Zhigang Xiao, P. Szymanski, T. Huang, D. Mallick, Z. Yang, G. Igo, J. Cheng, Jiangyong Jia, J. K. Adkins, Nasim, Yunpeng Liu, Wei Xie, Derek Anderson, T. G. Dedovich, A. Jentsch, K. Yip, S. K. Radhakrishnan, Zongye Zhang, L. Fulek, N. G. Minaev, I. G. Bordyuzhin, A. Aparin, Isaac Mooney, M. M. Mondal, L. C. Bland, G. Wang, Samuel Heppelmann, B. Tu, J. Butterworth, R. Fatemi, K. Nayak, L. He, Y. G. Ma, Jing-Han Chen, Todd Kinghorn, J. Bryslawskyj, Y. F. Xu, Z. Ye, J. A. Mazer, Tong Liu, Daniel Nemes, Jie Zhao, X. Huang, A. Kechechyan, S. Horvat, N. Schmitz, E. Shahaliev, Shize Yang, J. Rusnak, Chi Yang, N. Herrmann, K. Krueger, M. Kocan, M. Simko, L. Ruan, S. Siejka, Y. Hong, A. Lipiec, D. N. Svirida, W. Zha, A. H. Tang, Pengdong Wang, Benjamin Schweid, P. Seyboth, Pradip Kumar Sahu, T. Nonaka, J. R. Adams, Jan Vanek, Leszek Adamczyk, P. Federic, N. R. Sahoo, F. Seck, M. Posik, Arkadiy Taranenko, I. Bunzarov, O. Matonoha, M. Tokarev, N. Kulathunga Mudiyanselage, M. Cherney, Xiangming Sun, Arabinda Behera, H. M. Spinka, Lokesh Kumar, Hua Pei, P. Chaloupka, Ting Lin, Z. J. Xu, S. Trentalange, T. D. S. Stanislaus, J. H. Thomas, L. V. Nogach, Sumit R. Das, H. H. Wieman, Giacomo Contin, F-H. Chang, Q. Yang, K. Kauder, G. S. Averichev, Anthony Robert Timmins, Adam Ryszard Kisiel, Roland Laszlo Pinter, H. J. Crawford, Xiaofeng Luo, Guo-Liang Ma, Li Yi, P. Kravtsov, Fuwang Shen, Vitaly Okorokov, Bernd Surrow, N. Elsey, F. Videbæk, Z. Chang, W. B. Schmidke, Sukalyan Chattopadhyay, C. A. Gagliardi, Jaroslav Bielcik, Diana Pawlowska, O. V. Rogachevskiy, A. Quintero, R. Licenik, Xuan Zhang, R. Aoyama, Sujit Kumar Tripathy, Madan M. Aggarwal, Fuqiang Wang, Hanna Paulina Zbroszczyk, Zebo Tang, J. Putschke, Leo Clifford Greiner, D. K. Mishra, M. Kelsey, D. Kalinkin, C. Perkins, R. Kunnawalkam Elayavalli, R. Reed, I. Vassiliev, D. Zhang, Anik Gupta, Maksym Zyzak, A. Hamed, S. Esumi, Frank Jm Geurts, T. Galatyuk, C. Zhou, K. Meehan, J. C. Webb, B. K. Chan, Michal Sumbera, A. A. P. Suaide, Catherine Tomkiel, R. Seto, Justin Ewigleben, L. K. Kosarzewski, G. Odyniec, S. W. Wissink, J. M. Nelson, W. J. Llope, Y. Zhang, C. Zhong, J. Adam, K. N. Barish, A. Attri, Lukas Holub, Bedangadas Mohanty, P. Liu, Z. Liu, A. A. Derevschikov, Xiaoyu Liu, E. G. Judd, Jana Bielcikova, P. Sorensen, J. D. Brandenburg, L. Didenko, I. Chakaberia, W. Solyst, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, M. Lomnitz, I. G. Alekseev, J. Porter, Ivan Kisel, M. A. Lisa, W. Christie, J. C. Mei, S. L. Huang, E. C. Aschenauer, S. Margetis, X. Dong, H. Xu, E. P. Sichtermann, T. Ullrich, G. Agakishiev, D. Cebra, Zhanwen Zhu, S. Kabana, Andrey Vasiliev, X.G. Li, Janet Elizabeth Seger, and I. M. Deppner
Subjects: Physics, Quantum chromodynamics, Meson, Star (game theory), General Physics and Astronomy, Absolute value, 01 natural sciences, Nuclear physics, Flow (mathematics), 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, STAR detector
Abstract: We report the first measurement of rapidity-odd directed flow (v_{1}) for D^{0} and D^{0}[over ¯] mesons at midrapidity (|y
Published: 2019

11. Observation of Excess J/ψ Yield at Very Low Transverse Momenta in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeV

Author: Shize Yang, Kejun Kang, P. Seyboth, F. Seck, Xiaofeng Luo, M. Posik, Arka Chatterjee, Jan Vanek, Leszek Adamczyk, I. K. Yoo, Vitaly Okorokov, H. M. Spinka, Guo-Liang Ma, Xiaoyu Liu, K. Yip, L. C. Bland, G. Eppley, Zongye Zhang, I. G. Bordyuzhin, Bernd Surrow, B. J. Summa, Anik Gupta, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, E. G. Judd, Li Yi, S. K. Radhakrishnan, L. Fulek, D. G. Underwood, Y. Li, S. Singha, N. Elsey, Frank Jm Geurts, T. Galatyuk, Q. H. Xu, N. Kulathunga Mudiyanselage, Chi Yang, Z. Chang, W. B. Schmidke, J. H. Thomas, J. C. Dunlop, L. Wen, J. Pluta, B.R. Schweid, J. Cheng, D. N. Svirida, N. G. Minaev, C. A. Gagliardi, Lukas Holub, Bedangadas Mohanty, P. Federic, Zubayer Ahammed, Muhammad Usman Ashraf, C. Zhou, K. Meehan, Chong Kim, H. G. Ritter, S. Ramachandran, N. Chankova-Bunzarova, Skipper Kagamaster, R. Lacey, Rafal Sikora, K. Kauder, P. Kravtsov, F-H. Chang, Q. Yang, Jaroslav Bielcik, Fuwang Shen, K. N. Barish, O. Eyser, J. A. Mazer, Jaroslav Adam, Sergey Voloshin, X. Huang, A. Kechechyan, Sumit R. Das, C. Zhong, E. C. Aschenauer, S. Margetis, Y. Panebratsev, Q. Y. Shou, L. Ma, O. V. Rogachevskiy, A. Quintero, Joseph Kwasizur, Roli Esha, Rene Bellwied, Saehanseul Oh, D. Grosnick, D. Arkhipkin, A. Hamed, Pradip Kumar Sahu, T. Nonaka, Xinyue Ju, J. Rusnak, L. V. Nogach, Nihar Sahoo, X. Dong, Peter Q. Liu, Daniel Nemes, Jie Zhao, S. Horvat, G. Wang, G. S. Averichev, W. Christie, R. Pak, M. Kocan, J. L. Drachenberg, Olga Evdokimov, M. Zyzak, M. Shao, G. Van Buren, Nasim, S. S. Shi, Zebo Tang, L. Ruan, K. Jiang, Nilay Shah, B. K. Chan, Michal Sumbera, A. A. P. Suaide, J. Porter, Catherine Tomkiel, Tetsuro Sugiura, I. Upsal, Robert Licenik, F. Videbæk, Sujit Kumar Tripathy, B. Huang, R. E. Tribble, Jay Roberts, Jana Bielcikova, M. Tokarev, H. Z. Huang, Yanjun Wu, S. Vokal, T. Todoroki, Y. J. Sun, E. P. Sichtermann, Anthony Robert Timmins, Adam Ryszard Kisiel, N. Herrmann, T. G. Dedovich, Jorn Henning Putschke, Sukalyan Chattopadhyay, Maria Zurek, Madan M. Aggarwal, A. Lipiec, Fuqiang Wang, C. Dilks, D. K. Mishra, Samuel Heppelmann, A. V. Brandin, B. Tu, S. Siejka, S. Fazio, Xuliang Chen, M. Kelsey, M. Csanad, Roland Laszlo Pinter, H. J. Crawford, W. Zha, G. Agakishiev, A. A. Derevschikov, L. Zhang, H. W. Ke, J. K. Adkins, Arabinda Behera, J. W. Harris, Yicheng Feng, D. Kalinkin, R. S. Longacre, F. G. Atetalla, K. Nayak, O. D. Tsai, S. W. Wissink, Y. Zhang, T. D. S. Stanislaus, Xiaofeng Zhu, M. Sergeeva, Ying Liang, JSingh, R. Fatemi, L. He, Vipul Bairathi, J. L. Romero, I. Vassiliev, Lukas Kramarik, Y. Hong, J. H. Chen, Todd Kinghorn, K. Krueger, ShinIchi Esumi, D. Cebra, D. Zhang, E. Finch, Zhigang Xiao, T. Huang, Andrey Vasiliev, A. Ogawa, Siwei Luo, W. Q. Shen, C. Perkins, J. Bryslawskyj, P. V. Shanmuganathan, D. Mallick, H. H. Wieman, X.G. Li, C-Q. Li, T. Edmonds, R. Witt, T. Ullrich, W. Guryn, S. Mioduszewski, P. Chaloupka, I. Kisel, P. Sorensen, A. H. Tang, H. Liu, Pengdong Wang, Christina Markert, Ting Lin, Z. J. Xu, David Stewart, Yunpeng Liu, Derek Anderson, Zhanwen Zhu, G. Igo, Prithwish Tribedy, B. K. Srivastava, D. Smirnov, O. Rusnakova, H. S. Matis, Shengli Huang, M. Cherney, J. Fedorisin, Sevil Salur, M. M. Mondal, I. Bunzarov, S. Trentalange, O. Matonoha, J. D. Brandenburg, S. Kabana, Y. Wang, Y. Fisyak, Lokesh Kumar, Hua Pei, H. S. Xu, K. Oh, Z. Moravcova, W. W. Jacobs, J. Butterworth, J. Lauret, Janet Elizabeth Seger, J. Engelage, Justin Ewigleben, G. Odyniec, Isaac Mooney, J. Jia, N. Xu, P. Filip, Jongmin Lee, G. Nigmatkulov, T. J. Humanic, Z. Ye, A. K. Bhati, D. Keane, M. Nie, Nikolai Smirnov, B. Pawlik, Xiangming Sun, Y. F. Xu, R. L. Ray, Zhao Liu, A. Gibson, R. Ma, R. Lednicky, L. Kochenda, T. Tarnowsky, Yinina Ma, S. Zhang, L. Didenko, I. Chakaberia, P. Szymanski, I. M. Deppner, D. Kapukchyan, T. Ljubicic, G. D. Westfall, Xuan Zhang, J. M. Landgraf, Niseem Magdy, H. Caines, M. Lomnitz, Dmitry Morozov, M. Strikhanov, Anju Bhasin, Wei Li, G. Xie, R. Aoyama, Wei Xie, A. Aparin, Hanna Paulina Zbroszczyk, N. K. Pruthi, A. J. Bassill, N. Schmitz, E. Shahaliev, T. Niida, A. Lebedev, J. C. Webb, J. Sandweiss, J. R. Adams, R. Kunnawalkam Elayavalli, R. Reed, W. Solyst, L. K. Kosarzewski, R. Seto, J. M. Nelson, W. J. Llope, I. G. Alekseev, Alexander Jentsch, M. A. Lisa, J. C. Mei, A. Attri, P. Huo, B. S. Page, D. P. Kikola, B. Stringfellow, F. Liu, Miroslav Simko, Mariusz Przybycien, Y. Yang, R. D. Majka, J. Schambach, and A. Taranenko
Subjects: Physics, Hadron, General Physics and Astronomy, Modification factor, Plasma, 01 natural sciences, Nuclear physics, Transverse plane, 0103 physical sciences, Quark–gluon plasma, Transverse momentum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We report on the first measurements of J/ψ production at very low transverse momentum (p_{T}
Published: 2019

12. Polarization of Λ ( Λ¯ ) Hyperons along the Beam Direction in Au+Au Collisions at sNN=200 GeV

Author: D. G. Underwood, J. K. Adkins, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, R. Fatemi, L. He, Todd Kinghorn, P. Sorensen, Nasim, J. Porter, K. Krueger, S. Fazio, Xuliang Chen, Z. Yang, J. Cheng, J. D. Brandenburg, D. Kalinkin, G. Wang, T. J. Humanic, Jorn Henning Putschke, A. V. Brandin, I. G. Alekseev, M. A. Lisa, J. C. Mei, Takafumi Niida, Vipul Bairathi, I. Kisel, Maria Stefaniak, D. Zhang, L. Didenko, I. Chakaberia, F. Liu, Miroslav Simko, M. Cherney, Siwei Luo, Lokesh Kumar, F. Videbæk, Hua Pei, Yawen Wang, J. L. Drachenberg, Mariusz Przybycien, D. Tlusty, G. Eppley, Y. Yang, N. Herrmann, P. Chaloupka, Ting Lin, Z. J. Xu, Olga Evdokimov, Zhigang Xiao, S. Siejka, T. Huang, B. S. Page, L. V. Nogach, Jaroslav Bielcik, Yunpeng Liu, Derek Anderson, D. P. Kikola, Arka Chatterjee, B. K. Chan, Michal Sumbera, R. D. Majka, W. Guryn, I. Upsal, Tong Liu, S. Trentalange, A. A. P. Suaide, P. Seyboth, B. Stringfellow, B. J. Summa, Sukalyan Chattopadhyay, J. Schambach, M. Tokarev, J. Pluta, N. Chankova-Bunzarova, Jay Roberts, W. Li, Catherine Tomkiel, J. H. Thomas, Anju Bhasin, G. Xie, J. C. Webb, A. J. Bassill, K. Kang, G. Agakishiev, Jongmin Lee, N. Xu, P. Filip, Skipper Kagamaster, Joseph Kwasizur, M. Shao, G. Van Buren, D. Cebra, R. L. Ray, A. Lebedev, Y. Li, S. Singha, Maria Zurek, Jan Vanek, Leszek Adamczyk, R. Seto, L. Ma, Rene Bellwied, H. W. Ke, K. Kauder, Arabinda Behera, R. Ma, F-H. Chang, Q. Yang, D. Arkhipkin, A. Hamed, L. Zhang, Q. H. Xu, O. V. Rogachevskiy, A. Quintero, M. Zyzak, ShinIchi Esumi, R. E. Tribble, Zhanwen Zhu, S. Kabana, J. Fedorisin, G. D. Westfall, T. D. S. Stanislaus, H. H. Wieman, P. Federic, Zebo Tang, Zhaoping Liu, Diana Pawlowska, Wei Xie, S. W. Wissink, Y. Zhang, M. M. Mondal, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, S. S. Shi, G. S. Averichev, Sujit Kumar Tripathy, Yicheng Feng, J. Engelage, W. Christie, Isaac Mooney, J. Jia, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Vitaly Okorokov, Roland Laszlo Pinter, H. J. Crawford, T. Ljubicic, Justin Ewigleben, G. Odyniec, C. Zhong, Andrey Vasiliev, G. Nigmatkulov, Bernd Surrow, Yunlan Ji, Shize Yang, B.R. Schweid, Xiaofeng Luo, X.G. Li, M. Kelsey, Guo-Liang Ma, J. C. Dunlop, L. Wen, B. Pawlik, Janet Elizabeth Seger, A. Aparin, Yinina Ma, H. Caines, I. M. Deppner, S. Ramachandran, M. Csanad, N. Elsey, K. N. Barish, O. Eyser, A. Gibson, Daniel Nemes, Jie Zhao, S. Horvat, F. Seck, S. Zhang, J. M. Landgraf, Li Yi, M. Lomnitz, Xiangming Sun, Jaroslav Adam, C. Jena, Zubayer Ahammed, B. Huang, I. K. Yoo, M. Posik, Z. Chang, Jing-Han Chen, M. Strikhanov, H. M. Spinka, L. K. Kosarzewski, J. Rusnak, X. Huang, C. Perkins, A. Kechechyan, W. B. Schmidke, Muhammad Usman Ashraf, E. P. Sichtermann, J. M. Nelson, M. Kocan, Xiaoyu Liu, C. A. Gagliardi, Xiaofeng Zhu, Ying Liang, P. Kravtsov, Fuwang Shen, W. J. Llope, L. Ruan, A. Lipiec, Pradip Kumar Sahu, R. S. Longacre, T. Nonaka, N. G. Minaev, W. Zha, Y. Fisyak, Sergey Voloshin, P. V. Shanmuganathan, J. Sandweiss, J. R. Adams, Alexander Jentsch, W. Solyst, K. Oh, A. A. Derevschikov, T. Todoroki, A. Ogawa, Q. Y. Shou, E. G. Judd, D. Mallick, Anik Gupta, T. Ullrich, J. W. Harris, P. Szymanski, R. Pak, Frank Jm Geurts, G. Igo, Xinyue Ju, N. Schmitz, A. Attri, E. Shahaliev, T. Galatyuk, H. Z. Huang, S. Vokal, Lukas Holub, Bedangadas Mohanty, Arkadiy Taranenko, P. Huo, J. Butterworth, Z. Ye, Tetsuro Sugiura, Y. J. Sun, N. Magdy Abdelwahab Abdelrahman, C. Dilks, C. Zhou, J. Bryslawskyj, Xuan Zhang, Zongye Zhang, R. Witt, K. Meehan, H. S. Xu, Y. F. Xu, K. Jiang, I. G. Bordyuzhin, N.R. Sahoo, R. Aoyama, A. H. Tang, S. Mioduszewski, T. G. Dedovich, Pengdong Wang, Hanna Paulina Zbroszczyk, Jasvinder A. Singh, Yanjun Wu, I. Bunzarov, O. Matonoha, Prithwish Tribedy, B. K. Srivastava, Shengli Huang, D. A. Morozov, E. C. Aschenauer, R. Kunnawalkam Elayavalli, R. Reed, S. Margetis, N. K. Pruthi, N. Kulathunga Mudiyanselage, J. A. Mazer, X. Dong, M. Sergeeva, Sumit R. Das, C-Q. Li, Christina Markert, D. Smirnov, O. Rusnakova, T. Edmonds, H. S. Matis, Y. Hong, D. Kapukchyan, Z. Moravcova, W. W. Jacobs, J. Lauret, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, T. Tarnowsky, Z. Tu, Jana Bielcikova, A. K. Bhati, D. Keane, J. L. Romero, I. Vassiliev, Lukas Kramarik, E. Finch, Chong Kim, H. G. Ritter, Nikolai Smirnov, Rafal Sikora, F. G. Atetalla, M. Nie, R. Esha, O. D. Tsai, S. K. Radhakrishnan, L. Fulek, W. Q. Shen, K. Gopal, L. C. Bland, H. Liu, David Stewart, Chi Yang, D. N. Svirida, Sevil Salur, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Samuel Heppelmann, B. Tu, K. Yip, K. Nayak, R. Lacey, Peter Q. Liu, and Nilay Shah
Subjects: Physics, Elliptic flow, Hyperon, General Physics and Astronomy, Vorticity, Polarization (waves), 01 natural sciences, Spectral line, Azimuth, Interferometry, 0103 physical sciences, Quadrupole, Atomic physics, Nuclear Experiment, 010306 general physics
Abstract: The Λ (Λ[over ¯]) hyperon polarization along the beam direction has been measured in Au+Au collisions at sqrt[s_{NN}]=200 GeV, for the first time in heavy-ion collisions. The polarization dependence on the hyperons' emission angle relative to the elliptic flow plane exhibits a second harmonic sine modulation, indicating a quadrupole pattern of the vorticity component along the beam direction, expected due to elliptic flow. The polarization is found to increase in more peripheral collisions, and shows no strong transverse momentum (p_{T}) dependence at p_{T} greater than 1 GeV/c. The magnitude of the signal is about 5 times smaller than those predicted by hydrodynamic and multiphase transport models; the observed phase of the emission angle dependence is also opposite to these model predictions. In contrast, the kinematic vorticity calculations in the blast-wave model tuned to reproduce particle spectra, elliptic flow, and the azimuthal dependence of the Gaussian source radii measured with the Hanbury Brown-Twiss intensity interferometry technique reproduce well the modulation phase measured in the data and capture the centrality and transverse momentum dependence of the polarization signal.
Published: 2019

13. Measurements of the transverse-momentum-dependent cross sections of J/ψ production at mid-rapidity in proton+proton collisions at s=510 and 500 GeV with the STAR detector

Author: Jorn Henning Putschke, Zebo Tang, A. V. Brandin, F. G. Atetalla, O. D. Tsai, G. Eppley, Vitaly Okorokov, T. J. Humanic, M. Kelsey, Bernd Surrow, Joseph Kwasizur, J. Pluta, E. P. Sichtermann, N. Elsey, J. L. Drachenberg, Y. Wang, Y. Fisyak, Roli Esha, Vipul Bairathi, C. Perkins, N. Chankova-Bunzarova, W. Li, K. Oh, Z. Chang, M. Shao, G. Van Buren, Skipper Kagamaster, W. Q. Shen, W. B. Schmidke, JSingh, C. A. Gagliardi, Olga Evdokimov, Madan M. Aggarwal, Daniel Nemes, Jie Zhao, Fuqiang Wang, S. Horvat, D. K. Mishra, D. Kalinkin, D. Zhang, S. Esumi, Chong Kim, S. S. Shi, I. Upsal, Y. Hong, P. Szymanski, M. Simko, Jay Roberts, J. Engelage, L. Ma, Rene Bellwied, R. E. Tribble, H. Liu, David Stewart, N. Xu, P. Filip, Jaroslav Bielcik, H. G. Ritter, B. K. Chan, Michal Sumbera, A. A. P. Suaide, Catherine Tomkiel, Q. H. Xu, O. V. Rogachevskiy, A. Quintero, Rafal Sikora, S. Fazio, Xuliang Chen, Maria Stefaniak, K. Yip, F. Liu, Mariusz Przybycien, Y. Yang, R. D. Majka, Xiangming Sun, Jana Bielcikova, P. Sorensen, B. Pawlik, Sevil Salur, I. Vassiliev, Anik Gupta, G. D. Westfall, J. Schambach, Anju Bhasin, G. Xie, A. J. Bassill, S. W. Wissink, Y. Zhang, J. D. Brandenburg, B. J. Summa, A. Gibson, S. Zhang, Jaroslav Adam, L. C. Bland, T. Niida, A. Lebedev, Frank Jm Geurts, T. Galatyuk, C. Zhou, L. Didenko, I. Chakaberia, S. Ramachandran, A. Taranenko, X. Huang, A. Kechechyan, Pradip Kumar Sahu, K. Meehan, D. P. Kiko la, J. Rusnak, N. K. Pruthi, A. K. Bhati, D. Keane, Nikolai Smirnov, O. Eyser, Nilay Shah, B. Huang, I. K. Yoo, Chi Yang, M. Kocan, W. Christie, L. Ruan, Maksym Zyzak, Xiaoyu Liu, R. S. Longacre, M. Tokarev, H. Z. Huang, S. Vokal, D. N. Svirida, Andrey Vasiliev, T. Todoroki, J. C. Webb, P. V. Shanmuganathan, M. M. Mondal, E. G. Judd, X.G. Li, P. Chaloupka, Ting Lin, D. Mallick, Y. Panebratsev, Janet Elizabeth Seger, Saehanseul Oh, D. Grosnick, I. M. Deppner, R. Seto, Xiaofeng Luo, Guo-Liang Ma, Z. J. Xu, S. Trentalange, T. D. S. Stanislaus, Lukas Holub, Bedangadas Mohanty, H. H. Wieman, G. Igo, Zhigang Xiao, T. Huang, Yunpeng Liu, Derek Anderson, Pu Wang, J. H. Chen, Li Yi, N. G. Minaev, Benjamin Schweid, K. N. Barish, Samuel Heppelmann, B. Tu, D. Arkhipkin, A. Hamed, D. A. Morozov, T. Edmonds, P. Kravtsov, Fuwang Shen, J. Butterworth, Z. Ye, Y. F. Xu, T. Nonaka, A. A. Derevschikov, F. Videbæk, S. K. Radhakrishnan, L. Fulek, Sukalyan Chattopadhyay, L. Zhang, Diana Pawlowska, Xuan Zhang, R. Aoyama, Hanna Paulina Zbroszczyk, T. Ullrich, J. Porter, Ivan Kisel, M. Nie, A. Lipiec, W. Zha, R. Kunnawalkam Elayavalli, R. Reed, Siwei Luo, J. W. Harris, J. Bryslawskyj, N. Kulathunga Mudiyanselage, K. Kauder, Nihar Sahoo, Zongye Zhang, I. G. Bordyuzhin, B. S. Page, B. Stringfellow, Maria Zurek, H. W. Ke, Yicheng Feng, G. Nigmatkulov, J. M. Landgraf, Arka Chatterjee, P. Seyboth, Jan Vanek, Leszek Adamczyk, D. Tlusty, Peng Huo, G. Agakishiev, Jongmin Lee, R. L. Ray, Jiangyong Jia, A. H. Tang, I. Bunzarov, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, J. A. Mazer, R. Ma, O. Matonoha, M. Strikhanov, P. Federic, Y. Li, S. Singha, D. Cebra, Isaac Mooney, Roland Laszlo Pinter, H. J. Crawford, Kejun Kang, J. K. Adkins, L. V. Nogach, Tetsuro Sugiura, K. Nayak, Sumit R. Das, Y. J. Sun, W. Guryn, R. Lacey, C. Dilks, R. Fatemi, L. He, J. Sandweiss, T. Ljubicic, Zhanwen Zhu, D. Kapukchyan, S. Kabana, Yinina Ma, Todd Kinghorn, S. L. Huang, K. Krueger, M. Csanad, Shize Yang, Nasim, J. Fedorisin, Niseem Magdy, H. Caines, Muhammad Usman Ashraf, M. Lomnitz, Xiaofeng Zhu, Ying Liang, G. Wang, R. Witt, Sergey Voloshin, S. Mioduszewski, F. Seck, A. I. Hamad, Sedigheh Jowzaee, M. Cherney, Lokesh Kumar, L. K. Kosarzewski, A. Ogawa, J. L. Romero, Xinyue Ju, Zhen Liu, J. M. Nelson, Hua Pei, S. K. Tripathy, M. Posik, Arabinda Behera, H. M. Spinka, D. G. Underwood, W. J. Llope, C-Q. Li, T. G. Dedovich, I. G. Alekseev, Tong Liu, K. Jiang, Yanjun Wu, Lukas Kramarik, Christina Markert, D. Smirnov, C. Zhong, E. C. Aschenauer, O. Rusnakova, S. Margetis, Prithwish Tribedy, B. K. Srivastava, N. Herrmann, H. S. Matis, M. A. Lisa, J. C. Mei, E. Finch, Alexander Jentsch, M. Sánchez Calderón de la Barca, Z. Moravcova, W. W. Jacobs, J. H. Thomas, X. Dong, S. Siejka, J. Lauret, J. Cheng, A. Attri, M. Sergeeva, P. Liu, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, T. Tarnowsky, H. Xu, F-H. Chang, Q. Yang, Wei Xie, Justin Ewigleben, G. Odyniec, A. Aparin, G. S. Averichev, N. Schmitz, J. C. Dunlop, L. Wen, E. Shahaliev, Zubayer Ahammed, Q. Y. Shou, R. Pak, J. R. Adams, and W. Solyst
Subjects: Physics, Nuclear physics, Range (particle radiation), Meson production, Proton, Transverse momentum, High Energy Physics::Experiment, Rapidity, Production (computer science), Nuclear Experiment, Relativistic Heavy Ion Collider, STAR detector
Abstract: We present measurements of the differential cross sections of inclusive J/ψ meson production as a function of transverse momentum (pTJ/ψ) using the μ+μ- and e+e- decay channels in proton+proton collisions at center-of-mass energies of 510 and 500 GeV, respectively, recorded by the STAR detector at the Relativistic Heavy Ion Collider. The measurement from the μ+μ- channel is for 0
Published: 2019

14. Longitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s=510 GeV

Author: Yunlan Ji, I. Vassiliev, Madan M. Aggarwal, Mate Csanad, Joel Anthony Mazer, Z. Yang, G. Wang, Qi Yang, M. Sergeeva, Jaroslav Adam, B. S. Page, Avishek Chatterjee, A. V. Brandin, D. P. Kikola, B. Stringfellow, Fuqiang Wang, D. K. Mishra, J. D. Brandenburg, H. Z. Huang, S. Vokal, Q. H. Xu, Tetsuro Sugiura, Y. F. Xu, Lei Zhang, Y. J. Sun, C. Dilks, M. Tokarev, F. Videbæk, L. Didenko, N. Kulathunga Mudiyanselage, Siwei Luo, S. Kabana, L. C. Bland, B. K. Chan, Michal Sumbera, K. N. Barish, D. Tlusty, Peng Huo, P. Sorensen, P. V. Shanmuganathan, Joseph Kwasizur, Vipul Bairathi, Sukalyan Chattopadhyay, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Catherine Tomkiel, S. W. Wissink, Y. Li, Alexandre Alarcon Do Passo Suaide, Y. Zhang, J. Bryslawskyj, T. Tarnowsky, Niladribihari Sahoo, Tong Liu, Irakli Chakaberia, B. Huang, D. N. Svirida, L. V. Nogach, S. Fazio, Zongye Zhang, M. Shao, G. Van Buren, D. Zhang, S. Esumi, J. R. Adams, A. A. Derevschikov, Shangfeng Yang, S. S. Shi, I. G. Bordyuzhin, N. Herrmann, W. Guryn, B. Pawlik, Wei Xie, Yu-Gang Ma, P. Szymanski, J. H. Chen, T. D. S. Stanislaus, R. Lacey, Jiangyong Jia, J. B. Singh, A. Aparin, Jongmin Lee, Zebo Tang, S. Siejka, R. Kunnawalkam Elayavalli, P. Federic, J. M. Nelson, Dukhishyam Mallick, N. Magdy, Z. Moravcova, M. H. Kelsey, Chitrasen Jena, R. L. Ray, R. Ma, Guannan Xie, Isaac Mooney, H. H. Wieman, Jaroslav Bielcik, D. A. Morozov, T. Edmonds, Lukas Holub, Bedangadas Mohanty, N. Schmitz, J. Fedorisin, T. G. Dedovich, Xuan Zhang, X. C. Chen, S. Zhang, E. Shahaliev, J. Engelage, R. Seto, R. S. Longacre, M. Lomnitz, G. Nigmatkulov, C. Yang, N. K. Pruthi, T. Ljubicic, J. W. Harris, Hanna Paulina Zbroszczyk, D. Kalinkin, Z. Liu, Diana Pawlowska, Robert Licenik, Jana Bielcikova, Muhammad Usman Ashraf, J. M. Landgraf, Y. Fisyak, O. V. Rogachevskiy, Y. Hong, Anthony Robert Timmins, Adam Ryszard Kisiel, H. Caines, J. L. Romero, Lukas Kramarik, Sooraj Krishnan Radhakrishnan, R. Witt, S. Heppelmann, D. G. Underwood, G. Eppley, H. W. Ke, L. Fulek, A. Quintero, C. Perkins, Lin Ma, Roland Laszlo Pinter, G. Igo, K. Oh, M. Strikhanov, E. Finch, Sergey Voloshin, Xinyue Ju, J. Pluta, H. J. Crawford, J. K. Adkins, X. G. Luo, A. H. Tang, Pengdong Wang, B. J. Summa, M. Zyzak, R. Fatemi, L. He, Todd Kinghorn, K. Kauder, A. Taranenko, E. P. Sichtermann, G. Odyniec, J. Sandweiss, N. Chankova-Bunzarova, W. Li, Skipper Kagamaster, S. Mioduszewski, H. Liu, P. Seyboth, K. Jiang, Y. Wang, I. Bunzarov, I. K. Yoo, J. Cheng, Chong Kim, Y. F. Wu, I. Upsal, Jan Vanek, Y. Yang, O. Matonoha, Xiaoyu Liu, H. G. Ritter, Frank Jm Geurts, S. Ramachandran, O. Eyser, Rene Bellwied, Maria Stefaniak, T. Galatyuk, D. Kapukchyan, Rafal Sikora, M. Cherney, Nilay Shah, T. Ullrich, Vitaly Okorokov, Lokesh Kumar, Hua Pei, R. Reed, M. M. Mondal, Roli Esha, E. G. Judd, R. E. Tribble, K. Meehan, Bernd Surrow, S. K. Tripathy, Prithwish Tribedy, B. K. Srivastava, K. Yip, Daniel Nemes, Jie Zhao, S. Horvat, Benjamin Schweid, T. J. Humanic, H. S. Xu, Z. Ye, D. Arkhipkin, Guo-Liang Ma, N. Xu, P. Filip, N. Elsey, J. Putschke, Shengli Huang, Z. Chang, A. Hamed, X. M. Sun, Li Yi, Xiaofeng Zhu, Ying Liang, A. Lipiec, W. Zha, G. D. Westfall, Maowu Nie, X. Huang, W. B. Schmidke, W. J. Llope, S. Das, J. C. Dunlop, L. Wen, P. Kravtsov, Fuwang Shen, A. Gupta, C. A. Gagliardi, A. Ogawa, Dmitry Smirnov, A. Kechechyan, C. Zhou, F. Seck, Zubayer Ahammed, Pradip Kumar Sahu, T. Nonaka, C-Q. Li, M. Posik, Arabinda Behera, Alexander Jentsch, Christina Markert, O. Rusnakova, H. M. Spinka, H. S. Matis, L. K. Kosarzewski, Zhigang Xiao, T. Huang, Q. Y. Shou, W. W. Jacobs, J. Lauret, A. Attri, Yunpeng Liu, Derek Anderson, R. Pak, J. Porter, N. G. Minaev, Olga Evdokimov, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, Z. Tu, Ivan Kisel, Jay Roberts, P. Chaloupka, J. Rusnak, Ting Lin, M. Kocan, Maria Zurek, L. Ruan, K. Krueger, Yicheng Feng, S. Trentalange, J. H. Thomas, T. Todoroki, F-H. Chang, W. Christie, G. S. Averichev, Subhash Singha, Andrey Vasiliev, X.G. Li, Janet Elizabeth Seger, Justin Ewigleben, A. Gibson, C. Zhong, I. M. Deppner, J. M. Butterworth, J. C. Webb, F. Liu, Miroslav Simko, Mariusz Przybycien, Md. Nasim, R. D. Majka, J. L. Drachenberg, W. Solyst, J. Schambach, Anju Bhasin, A. J. Bassill, Peng Liu, K. Kang, T. Niida, A. Lebedev, L. Adamczyk, Y. Panebratsev, Saehanseul Oh, D. Grosnick, R. Aoyama, Z. Z. Xu, B. Tu, Nikita Smirnov, K. Nayak, F. G. Atetalla, O. D. Tsai, I. G. Alekseev, W. Q. Shen, K. Gopal, M. A. Lisa, J. C. Mei, David Stewart, Sevil Salur, A. K. Bhati, D. Keane, G. Agakishiev, D. Cebra, Zhanwen Zhu, E. C. Aschenauer, S. Margetis, and X. Dong
Subjects: Physics, 010308 nuclear & particles physics, media_common.quotation_subject, Jet (particle physics), Polarization (waves), 01 natural sciences, Asymmetry, Helicity, Gluon, Nuclear physics, Momentum, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, media_common, Spin-½
Abstract: We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, ALL, at midrapidity in polarized pp collisions at a center-of-mass energy s=510 GeV. The inclusive jet ALL measurement is sensitive to the gluon helicity distribution down to a gluon momentum fraction of x≈0.015, while the dijet measurements, separated into four jet-pair topologies, provide constraints on the x dependence of the gluon polarization. Both results are consistent with previous measurements made at s=200 GeV in the overlapping kinematic region, x>0.05, and show good agreement with predictions from recent next-to-leading order global analyses.
Published: 2019

15. Studies on ion back-flow of Time Projection Chamber based on GEM and anode wire grid

Author: Qinghua Xu, C. Li, Shuai Wang, Zhihang Zhu, Fuwang Shen, Chi Yang, Fangang Kong, Zhangbu Xu, Chengguang Zhu, and Xiao Zhao
Subjects: Physics, Nuclear and High Energy Physics, Time projection chamber, Physics - Instrumentation and Detectors, business.industry, Physics::Instrumentation and Detectors, High voltage, Electron, Dead time, Ion, Anode, Physics::Plasma Physics, Gas electron multiplier, Optoelectronics, business, Instrumentation, Low voltage
Abstract: Gated wires are widely used in Time Projection Chamber (TPC) to avoid ion back-flow (IBF) in the drift volume. The anode wires can provide stable gain at high voltage with a long lifetime. However, switching on and off the gated grid (GG) leads to a dead time and also limit the readout efficiency of the TPC. Gas Electron Multiplier (GEM) foil provides a possibility of continuous readout for TPC, which can suppress IBF efficiently while keeping stable gain. A prototype chamber including two layers of GEM foils and anode wires has been built to combine both advantages from GEM and anode wire. Using Garfield++ and the finite element analysis (FEA) method, simulations of the transmission processes of electrons and ions are performed and results on absorption ratio of ions, gain and IBF ratio are obtained. The optimized parameters from simulation are then applied to the prototype chamber to test the IBF and other performances. Both GEM foils are run at low voltage (255V), while most of the gain is provided by the anode wire. The measurement shows that the IBF ratio can be suppressed to ~0.58% with double-layer GEM foils (staggered) at an effective gain about 2500 with an energy resolution about 10%., Comment: 9 pages, 11 figures, version to appear in NIMA
Published: 2019

16. Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at sNN=200 GeV

Author: M. Calderon De La Barca Sanchez, A. I. Hamad, Chong Kim, Sedigheh Jowzaee, J. L. Romero, Madan M. Aggarwal, M. A. Szelezniak, H. G. Ritter, Xiaofeng Luo, Fuqiang Wang, Benjamin Schweid, J. L. Drachenberg, D. K. Mishra, Guo-Liang Ma, Rafal Sikora, Tetsuro Sugiura, D. Arkhipkin, Nasim, A. Hamed, Olga Evdokimov, J. Rusnak, A. F. Kraishan, Lukas Kramarik, E. Finch, M. Kocan, D. Kalinkin, Li Yi, Jorn Henning Putschke, Y. J. Sun, I. Upsal, L. Ruan, A. V. Brandin, C. Dilks, J. Porter, A. Vossen, Y. Wang, Y. Fisyak, Jay Roberts, A. S. Hirsch, P. Kravtsov, D. Zhang, Fuwang Shen, A. M. Schmah, W. Christie, Ivan Kisel, Maksym Zyzak, Maria Zurek, S. Esumi, Vipul Bairathi, K. Oh, H. W. Ke, T. Todoroki, J. C. Webb, L. C. Bland, Giacomo Contin, K. Kauder, Chi Yang, D. N. Svirida, L. Zhang, Justin Ewigleben, G. Odyniec, C. Zhong, Wei Xie, Nihar Sahoo, Andrey Vasiliev, R. Seto, A. Aparin, G. Eppley, I. Vassiliev, J. C. Dunlop, L. Wen, S. L. Huang, T. J. Humanic, D. L. Olvitt, Anik Gupta, Jaroslav Bielcik, S. K. Radhakrishnan, L. Fulek, J. Pluta, R. S. Longacre, Robert Licenik, P. Szymanski, X.G. Li, E. P. Sichtermann, Anthony Robert Timmins, Adam Ryszard Kisiel, N. Chankova-Bunzarova, W. Li, Frank Jm Geurts, Zubayer Ahammed, N. Schmitz, K. N. Barish, Skipper Kagamaster, J. Engelage, Shize Yang, Janet Elizabeth Seger, Roland Laszlo Pinter, H. J. Crawford, Jaroslav Adam, L. Ma, O. V. Rogachevskiy, A. Quintero, J. Y. Zhang, T. Galatyuk, B. S. Page, Maowu Nie, E. Shahaliev, N. Xu, Rene Bellwied, G. Nigmatkulov, D. P. Kikola, X. Huang, A. Kechechyan, R. E. Tribble, B. Stringfellow, I. M. Deppner, J. K. Adkins, J. R. Adams, P. V. Shanmuganathan, F. Seck, Q. Y. Shou, J. M. Landgraf, Pradip Kumar Sahu, T. Nonaka, P. Chaloupka, W. Solyst, C. Zhou, K. Meehan, M. Posik, R. Fatemi, L. He, Todd Kinghorn, F. Videbæk, P. Filip, K. Krueger, Ting Lin, R. Pak, Z. J. Xu, Arabinda Behera, H. M. Spinka, D. Mallick, Xiangming Sun, Vitaly Okorokov, M. Strikhanov, Sukalyan Chattopadhyay, David Brown, G. Wang, J. Kvapil, A. A. Derevschikov, H. Qiu, Bernd Surrow, S. Trentalange, R. Witt, J. W. Harris, J. Sandweiss, M. Tokarev, G. D. Westfall, Zebo Tang, J. H. Thomas, N. Elsey, Nilay Shah, G. Igo, S. Mioduszewski, N. K. Pruthi, M. Cherney, I. G. Alekseev, D. Kapukchyan, Z. Chang, Lokesh Kumar, Hua Pei, M. A. Lisa, J. C. Mei, W. B. Schmidke, Jana Bielcikova, Prithwish Tribedy, B. K. Srivastava, S. K. Tripathy, Leo Clifford Greiner, M. Kelsey, F-H. Chang, Q. Yang, C. A. Gagliardi, F. Liu, K. Yip, P. Sorensen, T. D. S. Stanislaus, T. Ullrich, H. H. Wieman, C. Perkins, L. Krauth, J. D. Brandenburg, N. Herrmann, S. Siejka, Mariusz Przybycien, G. S. Averichev, Y. Yang, J. Bryslawskyj, B. Pawlik, A. Gibson, S. Zhang, J. Butterworth, Z. Ye, L. Didenko, I. Chakaberia, P. Seyboth, Y. F. Xu, J. Lidrych, Jan Vanek, Leszek Adamczyk, P. Federic, Q. H. Xu, A. H. Tang, Pengdong Wang, S. Fazio, Xuliang Chen, B. Huang, R. D. Majka, E. C. Aschenauer, I. Bunzarov, S. Margetis, O. Matonoha, X. Dong, G. Agakishiev, D. S. Gunarathne, J. Schambach, Zhigang Xiao, T. Huang, D. Cebra, Zhanwen Zhu, H. Xu, Anju Bhasin, S. Kabana, G. Xie, A. J. Bassill, Yunpeng Liu, Derek Anderson, Jongmin Lee, R. L. Ray, K. Kang, T. Niida, R. Ma, A. Lebedev, N. G. Minaev, T. Ljubicic, Niseem Magdy, H. Caines, M. Lomnitz, Siwei Luo, Joseph Kwasizur, Jiangyong Jia, M. Shao, G. Van Buren, Isaac Mooney, S. S. Shi, Muhammad Usman Ashraf, Sergey Voloshin, Xinyue Ju, K. Jiang, Jasvinder A. Singh, Yanjun Wu, M. Sergeeva, Arkadiy Taranenko, D. G. Underwood, J. Cheng, Arka Chatterjee, Peng Huo, A. Harlenderova, M. K. Mustafa, W. Guryn, R. Lacey, Y. Li, S. Singha, Alexandre Alarcon Do Passo Suaide, J. Fedorisin, M. M. Mondal, Roli Esha, Daniel Nemes, Jie Zhao, S. Horvat, M. Simko, A. Lipiec, W. Zha, Lukas Holub, Bedangadas Mohanty, C-Q. Li, Christina Markert, D. Smirnov, O. Rusnakova, H. S. Matis, Z. Moravcova, W. W. Jacobs, J. Lauret, R. Lednicky, L. Kochenda, T. Tarnowsky, M. Csanad, Xiaofeng Zhu, Ying Liang, A. Ogawa, T. G. Dedovich, I. K. Yoo, Zongye Zhang, Y. Guo, I. G. Bordyuzhin, Xiaoyu Liu, J. A. Mazer, N. Kulathunga Mudiyanselage, L. V. Nogach, Sumit R. Das, C. E. Flores, E. G. Judd, Y. Hong, Zhaoping Liu, B. K. Chan, Michal Sumbera, Catherine Tomkiel, S. W. Wissink, Y. Zhang, H. Z. Huang, S. Vokal, F. G. Atetalla, O. D. Tsai, J. H. Chen, D. A. Morozov, T. Edmonds, W. Q. Shen, B. J. Summa, H. Liu, David Stewart, Sevil Salur, Y. Panebratsev, Saehanseul Oh, D. Grosnick, S. Ramachandran, O. Eyser, Samuel Heppelmann, B. Tu, K. Nayak, A. K. Bhati, D. Keane, Nikolai Smirnov, L. G. Efimov, Yu-Gang Ma, L. K. Kosarzewski, J. M. Nelson, W. J. Llope, Alexander Jentsch, A. Attri, P. Liu, Xuan Zhang, R. Aoyama, Hanna Paulina Zbroszczyk, R. Kunnawalkam Elayavalli, and R. Reed
Subjects: Physics, Quark, Particle physics, Strange quark, Meson, 010308 nuclear & particles physics, Hadron, Kinetic energy, 01 natural sciences, Spectral line, Charm quark, 0103 physical sciences, Rapidity, 010306 general physics
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Atetalla, F; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Csanad, M; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Edmonds, T; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A | Abstract: We report a new measurement of D0-meson production at mid-rapidity (|y|l1) in Au + Au collisions at sNN=200GeV utilizing the heavy flavor tracker, a high resolution silicon detector at the STAR experiment. Invariant yields of D0 mesons with transverse momentum pT9GeV/c are reported in various centrality bins (0-10%, 10-20%, 20-40%, 40-60%, and 60-80%). Blast-wave thermal models are used to fit the D0-meson pT spectra to study D0 hadron kinetic freeze-out properties. The average radial flow velocity extracted from the fit is considerably smaller than that of light hadrons (π,K, and p), but comparable to that of hadrons containing multiple strange quarks (φ,Ξ-), indicating that D0 mesons kinetically decouple from the system earlier than light hadrons. The calculated D0 nuclear modification factors reaffirm that charm quarks suffer a large amount of energy loss in the medium, similar to those of light quarks for pTg4GeV/c in central 0-10% Au + Au collisions. At low pT, the nuclear modification factors show a characteristic structure qualitatively consistent with the expectation from model predictions that charm quarks gain sizable collective motion during the medium evolution. The improved measurements are expected to offer new constraints to model calculations and help gain further insights into the hot and dense medium created in these collisions.
Published: 2019

17. Measurement of groomed jet substructure observables in p+p collisions at s=200 GeV with STAR

Author: Chong Kim, H. G. Ritter, E. Hoffman, Rafal Sikora, R. Bellwied, L. C. Bland, S. Singha, I. Vassiliev, S. Kabana, Chi Yang, M. Nie, Hiroyuki Sako, L. Fulek, S. Oh, Xiaofeng Luo, Guo-Liang Ma, N. Kulathunga Mudiyanselage, Vitaly Okorokov, M. Chevalier, Li Yi, Joseph Kwasizur, J. L. Drachenberg, Olga Evdokimov, Bernd Surrow, M. Shao, G. Van Buren, Benjamin Schweid, Frank Jm Geurts, Lukas Holub, Bedangadas Mohanty, Jongmin Lee, R. L. Ray, S. Choudhury, F. G. Atetalla, T. Galatyuk, S. S. Shi, O. D. Tsai, R. Ma, J. Engelage, N. Elsey, Z. Chang, T. Nonaka, W. B. Schmidke, A. Ewigleben, A. Francisco, K. Yip, C. Zhou, L. V. Nogach, T. Ljubicic, K. Kauder, I. Upsal, Zhigang Xiao, K. N. Barish, T. Huang, M. Csanad, C. A. Gagliardi, R. S. Longacre, Jay Roberts, Alexander Kiselev, G. Nigmatkulov, Lawrence Pinsky, Jing-Han Chen, Niseem Magdy, Y. Li, Alexandre Alarcon Do Passo Suaide, Maria Zurek, P. C. Weidenkaff, W. Q. Shen, K. Gopal, P. Kravtsov, Fuwang Shen, S. Fazio, S. H. Zhang, Xuliang Chen, Wei Li, Wei Xie, M. L. Kabir, Yunpeng Liu, Derek Anderson, X. H. He, A. Jentsch, H. W. Ke, Jaroslav Bielcik, Xiaofeng Zhu, Ying Liang, D. Mallick, Y. H. Leung, H. Liu, N. G. Minaev, Maria Stefaniak, J. D. Nam, A. Ogawa, Yicheng Feng, D. N. Svirida, David Stewart, B. Kimelman, E. P. Sichtermann, Sevil Salur, Y. Wang, O. V. Rogachevskiy, A. Quintero, P. Chaloupka, G. Igo, J. M. Landgraf, Y. Hong, J. C. Dunlop, L. Wen, Ting Lin, B. K. Chan, N. Xu, P. Filip, Sergey Voloshin, Michal Sumbera, Zebo Tang, A. Aparin, A. Pandav, Anthony Robert Timmins, Y. Panebratsev, S. Trentalange, M. U. Ashraf, C. Jena, D. Grosnick, Catherine Tomkiel, Hank Crawford, C-Q. Li, R. Licenik, J. Butterworth, Xinyue Ju, D. Chen, Zubayer Ahammed, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, N. Shah, M. Kelsey, Sujit Kumar Tripathy, A. A. Derevschikov, Z. Ye, Roland Laszlo Pinter, B. Pawlik, D. Isenhower, Madan M. Aggarwal, Fuqiang Wang, S. W. Wissink, S. K. Radhakrishnan, Christina Markert, D. Neff, Y. Zhang, M. Strikhanov, Y. F. Xu, C. Perkins, J. K. Adkins, A. Gibson, T. Ullrich, X. Huang, A. Kechechyan, Q. Y. Shou, K. Jiang, D. Kalinkin, Nasim, H. S. Matis, Q. H. Xu, R. Fatemi, K. Nayak, C. C. Zhang, R. Pak, Maksym Zyzak, Z. Wang, H. Caines, Z. Moravcova, W. W. Jacobs, J. B. Singh, Todd Kinghorn, X. Chu, L. K. Kosarzewski, K. Krueger, D. Zhang, Y. Hu, J. C. Webb, J. S. Wang, J. Lauret, A. Hamed, S. Esumi, J. M. Nelson, D. Kincses, R. Witt, J. Rusnak, Jorn Henning Putschke, A. V. Brandin, W. J. Llope, D. Keane, S. Mioduszewski, R. Seto, M. Tokarev, Yevheniia Khyzhniak, T. G. Dedovich, Takafumi Niida, R. Lednicky, L. Kochenda, T. Tarnowsky, Z. Tu, J. W. Harris, Nikolai Smirnov, N. Schmitz, Yanjun Wu, J. Sandweiss, M. Kocan, N.R. Sahoo, E. Shahaliev, L. Ruan, J. Adam, Arkadiy Taranenko, Prithwish Tribedy, N. S. Lukow, M. M. Mondal, Xiaoyu Liu, E. C. Aschenauer, W. Christie, B. K. Srivastava, S. Margetis, M. Cherney, R. Esha, T. D. S. Stanislaus, Andrey Vasiliev, I. G. Bordyuzhin, X. Dong, Z. Yang, S. He, Lokesh Kumar, Hua Pei, F. Videbæk, Jana Bielcikova, H. H. Wieman, E. G. Judd, X.G. Li, Janet Elizabeth Seger, P. Sorensen, I. M. Deppner, H. Xu, J. A. Mazer, A. H. Tang, Pengdong Wang, Anju Bhasin, J. L. Romero, Z. Zhang, K. Kang, A. Lebedev, Lukas Kramarik, J. D. Brandenburg, M. Sergeeva, E. Finch, Arghya Chatterjee, Zhaoping Liu, Diana Pawlowska, L. Didenko, I. Chakaberia, Tong Liu, Siwei Luo, F. Liu, Mariusz Przybycien, Y. Yang, M. I. Nagy, D. Kapukchyan, R. D. Majka, Jiangyong Jia, Isaac Mooney, Yinina Ma, J. Porter, Ivan Kisel, Z. J. Zhang, S. L. Huang, Shize Yang, S. Lan, F. Seck, M. Posik, Arabinda Behera, H. M. Spinka, J. H. Thomas, F-H. Chang, Q. Yang, G. S. Averichev, H. Z. Huang, S. Vokal, G. Xie, C. J. Feng, D. A. Morozov, T. Edmonds, T. J. Humanic, Yunlan Ji, S. Heppelmann, B. J. Summa, Xiangming Sun, S. Harabasz, H. Qiu, B. S. Page, D. P. Kikola, S. Ramachandran, O. Eyser, B. Stringfellow, P. V. Shanmuganathan, A. S. Nunes, N. K. Pruthi, M. Daugherity, G. Eppley, J. Pluta, N. Chankova-Bunzarova, Skipper Kagamaster, Y. J. Sun, L. Ma, Y. Xu, Zhiwan Xu, R. E. Tribble, Y. Lin, G. Agakishiev, D. Cebra, Zhanwen Zhu, Y. Fisyak, I. G. Alekseev, P. Szymanski, M. A. Lisa, P. Seyboth, G. Odyniec, C. Zhong, Jan Vanek, Leszek Adamczyk, P. Federic, Jianping Cheng, Z. Chen, G. Wang, J. R. Adams, Susumu Sato, W. Solyst, N. Herrmann, X. Sun, Daniel Nemes, Jie Zhao, S. Horvat, M. Simko, W. Zha, D. Tlusty, Peng Huo, W. Guryn, R. Lacey, J. Fedorisin, D. G. Underwood, Gary Westfall, V. Bairathi, W. He, A. Attri, P. Liu, Xuan Zhang, Hanna Paulina Zbroszczyk, R. Kunnawalkam Elayavalli, and R. Reed
Subjects: Quark, Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Jet (fluid), Astrophysics::High Energy Astrophysical Phenomena, Radius, Gluon, Momentum, Nuclear physics, DGLAP, High Energy Physics::Experiment, Nuclear Experiment, Parton shower
Abstract: In this letter, measurements of the shared momentum fraction ( z g ) and the groomed jet radius ( R g ), as defined in the SoftDrop algorithm, are reported in p+p collisions at s = 200 GeV collected by the STAR experiment. These substructure observables are differentially measured for jets of varying resolution parameters from R = 0.2 − 0.6 in the transverse momentum range 15 p T , jet 60 GeV/c. These studies show that, in the p T , jet range accessible at s = 200 GeV and with increasing jet resolution parameter and jet transverse momentum, the z g distribution asymptotically converges to the DGLAP splitting kernel for a quark radiating a gluon. The groomed jet radius measurements reflect a momentum-dependent narrowing of the jet structure for jets of a given resolution parameter, i.e., the larger the p T , jet , the narrower the first splitting. For the first time, these fully corrected measurements are compared to Monte Carlo generators with leading order QCD matrix elements and leading log in the parton shower, and to state-of-the-art theoretical calculations at next-to-leading-log accuracy. We observe that PYTHIA 6 with parameters tuned to reproduce RHIC measurements is able to quantitatively describe data, whereas PYTHIA 8 and HERWIG 7, tuned to reproduce LHC data, are unable to provide a simultaneous description of both z g and R g , resulting in opportunities for fine parameter tuning of these models for p+p collisions at RHIC energies. We also find that the theoretical calculations without non-perturbative corrections are able to qualitatively describe the trend in data for jets of large resolution parameters at high p T , jet , but fail at small jet resolution parameters and low jet transverse momenta.
Published: 2020

18. Low- pT e+e− Pair Production in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeV at STAR

Author: Xiaofeng Luo, Arka Chatterjee, Guo-Liang Ma, Li Yi, Xiangming Sun, J. K. Adkins, R. Fatemi, L. He, Jongmin Lee, R. L. Ray, Shaji Kumar, Todd Kinghorn, K. Krueger, R. Ma, A. S. Hirsch, Zongye Zhang, Vitaly Okorokov, Y. Guo, Y. Li, S. Singha, Alexandre Alarcon Do Passo Suaide, A. K. Bhati, D. Keane, P. Kravtsov, Fuwang Shen, A. M. Schmah, I. Kisel, Bernd Surrow, I. G. Bordyuzhin, T. Ljubicic, I. G. Alekseev, N. K. Pruthi, Nikolai Smirnov, J. Bryslawskyj, M. A. Lisa, J. C. Mei, Xuan Zhang, Niseem Magdy, H. Caines, M. Lomnitz, N. Elsey, D. Mayes, L. G. Efimov, J. L. Drachenberg, M. Cherney, Lokesh Kumar, R. Aoyama, Z. Chang, Hua Pei, W. B. Schmidke, G. Eppley, Hanna Paulina Zbroszczyk, Q. H. Xu, Nasim, P. Federic, S. K. Tripathy, J. A. Mazer, Justin Ewigleben, G. Odyniec, C. A. Gagliardi, J. Xu, J. Lidrych, Olga Evdokimov, J. Pluta, J. R. Adams, W. Solyst, H. Z. Huang, G. Agakishiev, D. S. Gunarathne, D. Cebra, S. Vokal, Shize Yang, N. Chankova-Bunzarova, W. Li, A. Taranenko, Zhanwen Zhu, I. K. Yoo, C. Zhong, E. C. Aschenauer, S. Kabana, S. Margetis, Anik Gupta, G. Wang, B.R. Schweid, X. Dong, R. Reed, Giacomo Contin, L. Ma, F. Seck, Madan M. Aggarwal, Fuqiang Wang, Rene Bellwied, F. Videbæk, M. Posik, D. K. Mishra, Zhigang Xiao, T. Huang, Jay Roberts, Z. Ye, J. H. Chen, Jaroslav Adam, H. M. Spinka, Frank Jm Geurts, T. Galatyuk, R. E. Tribble, Nihar Sahoo, C. E. Flores, E. G. Judd, Anju Bhasin, Y. Panebratsev, Saehanseul Oh, Maowu Nie, D. Kalinkin, E. P. Sichtermann, P. Federicova, D. Grosnick, D. A. Morozov, X. Huang, A. Kechechyan, Yunpeng Liu, Derek Anderson, Xiaofeng Zhu, Ying Liang, Sukalyan Chattopadhyay, G. Xie, B. Huang, T. Ullrich, N. G. Minaev, R. Lacey, Pradip Kumar Sahu, L. Zhang, H. W. Ke, P. Sorensen, A. J. Bassill, A. Ogawa, Anthony Robert Timmins, J. H. Thomas, B. Pawlik, A. Vossen, Michal Sumbera, N.N. Ajitanand, S. Heppelmann, Adam Ryszard Kisiel, N. Herrmann, S. Siejka, R. S. Longacre, B. J. Summa, L. P. Zhou, A. Gibson, F-H. Chang, Q. Yang, T. Niida, Yu-Gang Ma, Catherine Tomkiel, H. J. Crawford, P. V. Shanmuganathan, C. Zhou, K. Meehan, C-Q. Li, J. C. Dunlop, L. Wen, G. S. Averichev, S. Esumi, S. H. Zhang, N. Kulathunga, N. Xu, P. Filip, B. Tu, S. W. Wissink, D. Mallick, J. Engelage, Peter Q. Liu, J. Kvapil, Y. Zhang, A. Lebedev, G. D. Westfall, J. Porter, Christina Markert, D. Smirnov, O. Rusnakova, S. Ramachandran, H. S. Matis, O. Eyser, M. Tokarev, Yang Yang, J. M. Nelson, S. K. Radhakrishnan, G. Nigmatkulov, W. J. Llope, L. Fulek, G. Igo, Y. Wang, F. G. Atetalla, L. K. Kosarzewski, Y. Fisyak, D. L. Olvitt, Nilay Shah, Zubayer Ahammed, W. W. Jacobs, O. D. Tsai, J. Lauret, Jaroslav Bielcik, L. Didenko, I. Chakaberia, L. Krauth, K. Oh, Alexander Jentsch, Zebo Tang, James Brandenburg, K. Yip, R. Lednicky, L. Kochenda, T. Tarnowsky, D. Arkhipkin, A. Hamed, J. Butterworth, J. M. Landgraf, Lukas Holub, Bedangadas Mohanty, P. Szymanski, K. Kauder, A. Attri, K. N. Barish, P. Seyboth, M. Strikhanov, Y. F. Xu, P. Huo, Q. Y. Shou, W. Q. Shen, Xiang Sun, Chong Kim, Jan Vanek, Leszek Adamczyk, C. Perkins, R. Pak, O. V. Rogachevskiy, J. Rusnak, A. F. Kraishan, S. R. Klein, Jorn Henning Putschke, A. Quintero, A. V. Brandin, P. Chaloupka, T. D. S. Stanislaus, Ting Lin, Z. J. Xu, J. Sandweiss, H. Liu, L. Ruan, M. Zyzak, S. Trentalange, Vipul Bairathi, David Stewart, H. G. Ritter, H. H. Wieman, R. Witt, D. Tlusty, T. Todoroki, S. Mioduszewski, Sevil Salur, Arabinda Behera, David Brown, M. Calderon De La Barca Sanchez, A. I. Hamad, A. A. Derevschikov, Sedigheh Jowzaee, Prithwish Tribedy, B. K. Srivastava, Rafal Sikora, F. Liu, Shengli Huang, J. W. Harris, Miroslav Simko, Mariusz Przybycien, A. H. Tang, I. Bunzarov, O. Matonoha, J. C. Webb, L. C. Bland, R. D. Majka, R. Seto, J. Schambach, Chi Yang, W. Christie, D. N. Svirida, Andrey Vasiliev, X.G. Li, Janet Elizabeth Seger, I. M. Deppner, T. J. Humanic, B. S. Page, D. P. Kikola, B. Stringfellow, Isaac Upsal, Jana Bielcikova, Tetsuro Sugiura, J. L. Romero, I. Vassiliev, Lukas Kramarik, Y. J. Sun, C. Dilks, E. Finch, Xuedong Bai, D. Kapukchyan, D. G. Underwood, T. Nonaka, Wei Xie, A. Aparin, J. D. Negrete, N. Schmitz, J. Cheng, E. Shahaliev, Roli Esha, Daniel Nemes, Jie Zhao, S. Horvat, J. Y. Zhang, A. Lipiec, W. Zha, N. Yu, Kejun Kang, L. V. Nogach, A. Harlenderova, Sumit R. Das, W. Guryn, J. Fedorisin, M. M. Mondal, S. B. Nurushev, J. M. Campbell, Joseph Kwasizur, M. Shao, G. Van Buren, T. G. Dedovich, S. S. Shi, S. Fazio, Xuliang Chen, Siwei Luo, Isaac Mooney, J. Jia, Muhammad Usman Ashraf, Sergey Voloshin, K. Jiang, Yanjun Wu, and M. Sergeeva
Subjects: Physics, Spectral representation, Pair production, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, General Physics and Astronomy, Star (graph theory), 010306 general physics, 01 natural sciences, Mathematical physics
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Atetalla, F; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon de la Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, F-H; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Galatyuk, T | Abstract: We report first measurements of e^{+}e^{-} pair production in the mass region 0.4
Published: 2018

19. Longitudinal double-spin asymmetries for π0s in the forward direction for 510 GeV polarized pp collisions

Author: M. Shao, G. Van Buren, S. S. Shi, J. H. Thomas, T. J. Humanic, Roli Esha, L. P. Zhou, Daniel Nemes, Jie Zhao, S. Horvat, J. W. Harris, F-H. Chang, Q. Yang, M. Simko, G. Eppley, J. Bryslawskyj, J. C. Dunlop, L. Wen, Jongmin Lee, R. L. Ray, B. S. Page, R. Ma, T. Ljubicic, D. P. Kikola, Niseem Magdy, H. Caines, M. Lomnitz, Zhigang Xiao, T. Huang, A. H. Tang, Zubayer Ahammed, A. Lipiec, David Brown, W. Zha, I. Bunzarov, O. Matonoha, B. Stringfellow, Muhammad Usman Ashraf, G. S. Averichev, Yunpeng Liu, Derek Anderson, J. Pluta, F. Liu, Mariusz Przybycien, Sergey Voloshin, N. Chankova-Bunzarova, W. Li, N. G. Minaev, S. Heppelmann, Jaroslav Bielcik, Jorn Henning Putschke, Y. Yang, B. J. Summa, L. Ma, A. V. Brandin, Q. Y. Shou, Rene Bellwied, K. Kauder, K. Jiang, F. G. Atetalla, Q. H. Xu, C-Q. Li, J. L. Romero, Yanjun Wu, Z. Ye, J. Xu, Jaroslav Adam, Maowu Nie, R. E. Tribble, N. Kulathunga, N. Xu, P. Filip, O. D. Tsai, Vipul Bairathi, Giacomo Contin, R. Pak, J. L. Drachenberg, D. G. Underwood, Olga Evdokimov, R. D. Majka, Lukas Kramarik, James Brandenburg, G. D. Westfall, M. Sergeeva, O. V. Rogachevskiy, X. Huang, A. Kechechyan, S. B. Nurushev, Christina Markert, K. N. Barish, J. Schambach, I. Vassiliev, A. Quintero, E. Finch, S. Fazio, Xuliang Chen, Nihar Sahoo, Xuedong Bai, Anik Gupta, S. Ramachandran, D. L. Olvitt, Siwei Luo, Arka Chatterjee, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Pradip Kumar Sahu, Y. Wang, Y. Fisyak, W. Christie, O. Eyser, Xiangming Sun, Isaac Upsal, Jay Roberts, Jiangyong Jia, Benjamin Schweid, D. Arkhipkin, A. Hamed, D. Smirnov, O. Rusnakova, H. S. Matis, J. Cheng, P. Federicova, Frank Jm Geurts, Isaac Mooney, Andrey Vasiliev, T. Galatyuk, K. Oh, B. Huang, Lukas Holub, N. N. Ajitanand, Bedangadas Mohanty, Anthony Robert Timmins, W. Q. Shen, N. K. Pruthi, J. Kvapil, H. W. Ke, H. Z. Huang, S. Vokal, Tetsuro Sugiura, Y. J. Sun, R. S. Longacre, Adam Ryszard Kisiel, X.G. Li, L. K. Kosarzewski, W. W. Jacobs, J. Rusnak, S. K. Radhakrishnan, A. F. Kraishan, Vitaly Okorokov, Nilay Shah, C. Zhou, A. A. Derevschikov, C. Dilks, Xiang Sun, Janet Elizabeth Seger, L. Fulek, P. V. Shanmuganathan, P. Szymanski, H. J. Crawford, K. Meehan, L. Ruan, Bernd Surrow, D. Kapukchyan, D. Mallick, I. M. Deppner, Anju Bhasin, M. Tokarev, K. Yip, Peng Huo, G. Xie, Y. Li, S. Singha, A. Harlenderova, J. Lauret, S. H. Zhang, A. J. Bassill, Maksym Zyzak, R. Lednicky, B. Pawlik, T. Todoroki, Alexandre Alarcon Do Passo Suaide, J. K. Adkins, A. Gibson, H. Liu, N. Elsey, T. Niida, G. Igo, J. H. Chen, A. Lebedev, D. Mayes, R. Fatemi, L. He, T. Nonaka, G. Wang, Chong Kim, Shaji Kumar, Todd Kinghorn, David Stewart, K. Krueger, L. Krauth, W. Guryn, R. Lacey, J. C. Webb, T. D. S. Stanislaus, L. Kochenda, T. Tarnowsky, H. H. Wieman, Xiaofeng Luo, Wei Xie, Zebo Tang, D. A. Morozov, Z. Chang, J. Butterworth, W. B. Schmidke, H. G. Ritter, A. Aparin, R. Seto, J. D. Negrete, Guo-Liang Ma, Y. F. Xu, Sevil Salur, C. A. Gagliardi, J. Fedorisin, N. Schmitz, R. Witt, E. Shahaliev, M. Cherney, Li Yi, Rafal Sikora, Lokesh Kumar, Hua Pei, S. K. Tripathy, C. Perkins, Jana Bielcikova, M. M. Mondal, N. Herrmann, J. M. Campbell, Madan M. Aggarwal, P. Sorensen, S. Mioduszewski, Michal Sumbera, Fuqiang Wang, L. C. Bland, D. K. Mishra, P. Chaloupka, Ting Lin, L. Didenko, I. Chakaberia, Z. J. Xu, S. Siejka, Xiaofeng Zhu, A. S. Hirsch, Catherine Tomkiel, Ying Liang, S. Trentalange, D. Kalinkin, T. G. Dedovich, Prithwish Tribedy, B. K. Srivastava, Chi Yang, P. Seyboth, D. N. Svirida, P. Kravtsov, Fuwang Shen, A. Ogawa, S. W. Wissink, Y. Zhang, A. Vossen, Jan Vanek, Leszek Adamczyk, A. M. Schmah, Zongye Zhang, S. Esumi, Y. Guo, I. G. Bordyuzhin, P. Federic, J. Y. Zhang, A. K. Bhati, D. Keane, N. Yu, Kejun Kang, L. V. Nogach, Sumit R. Das, J. A. Mazer, D. Tlusty, I. K. Yoo, Nikolai Smirnov, C. E. Flores, E. G. Judd, L. G. Efimov, F. Videbæk, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Sukalyan Chattopadhyay, L. Zhang, B. Tu, Nasim, J. M. Nelson, W. J. Llope, Alexander Jentsch, A. Attri, P. Liu, J. Engelage, G. Nigmatkulov, J. M. Landgraf, M. Strikhanov, J. Sandweiss, Yu-Gang Ma, Xuan Zhang, R. Aoyama, Hanna Paulina Zbroszczyk, R. Reed, E. P. Sichtermann, T. Ullrich, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, J. Lidrych, Shize Yang, G. Agakishiev, D. S. Gunarathne, F. Seck, M. Posik, D. Cebra, Arabinda Behera, A. Taranenko, H. M. Spinka, Zhanwen Zhu, S. Kabana, Justin Ewigleben, G. Odyniec, J. Porter, Ivan Kisel, S. L. Huang, J. R. Adams, W. Solyst, I. G. Alekseev, M. A. Lisa, J. C. Mei, and Joseph Kwasizur
Subjects: Physics, 010308 nuclear & particles physics, 0103 physical sciences, Chatterjee, Transverse momentum, 010306 general physics, 01 natural sciences, Spin-½, Mathematical physics
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Atetalla, F; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Galatyuk, T | Abstract: The STAR Collaboration reports measurements of the longitudinal double-spin asymmetry, ALL, for neutral pions produced at forward directions in polarized proton-proton collisions, at a center-of-mass energy of 510 GeV. Results are given for transverse momenta in the range 2
Published: 2018

20. Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at s=200 GeV

Author: Jorn Henning Putschke, A. V. Brandin, G. Wang, Xiangming Sun, Vipul Bairathi, J. Porter, N. Herrmann, Ivan Kisel, I. Vassiliev, Anik Gupta, Frank Jm Geurts, S. Siejka, T. Galatyuk, C. Zhou, K. Meehan, S. H. Zhang, Benjamin Schweid, N. K. Pruthi, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Xiaofeng Luo, Giacomo Contin, Siwei Luo, D. Arkhipkin, A. Hamed, E. P. Sichtermann, Zebo Tang, Guo-Liang Ma, Li Yi, K. Yip, I. K. Yoo, C. Perkins, S. L. Huang, P. Seyboth, N. N. Ajitanand, Nihar Sahoo, G. Eppley, Jan Vanek, A. S. Hirsch, P. Kravtsov, Fuwang Shen, A. M. Schmah, Leszek Adamczyk, J. L. Drachenberg, R. S. Longacre, S. Fazio, J. Pluta, N. Chankova-Bunzarova, W. Li, Xuliang Chen, Jiangyong Jia, P. Federic, L. Ma, Rene Bellwied, P. V. Shanmuganathan, M. Tokarev, D. Mallick, Olga Evdokimov, Roli Esha, Isaac Mooney, Daniel Nemes, Jie Zhao, S. Horvat, S. Heppelmann, B. J. Summa, C. E. Flores, E. G. Judd, J. L. Romero, Lukas Kramarik, E. Finch, Anthony Robert Timmins, Adam Ryszard Kisiel, R. E. Tribble, Xuedong Bai, T. J. Humanic, Shize Yang, F. Seck, I. G. Alekseev, Arka Chatterjee, F. Videbæk, D. Tlusty, G. Igo, T. Ullrich, T. D. S. Stanislaus, Xiaofeng Zhu, Ying Liang, K. Kauder, H. J. Crawford, M. A. Lisa, J. C. Mei, Sukalyan Chattopadhyay, J. K. Adkins, H. H. Wieman, L. Krauth, M. Simko, M. Posik, Arabinda Behera, Jay Roberts, L. Zhang, Y. Panebratsev, Yu-Gang Ma, Lukas Holub, Bedangadas Mohanty, R. Fatemi, L. He, T. Nonaka, H. M. Spinka, Shaji Kumar, Todd Kinghorn, K. Krueger, J. Butterworth, A. Lipiec, A. Ogawa, Saehanseul Oh, Muhammad Usman Ashraf, J. Kvapil, W. Zha, D. Grosnick, Nilay Shah, B. S. Page, Xuan Zhang, S. Ramachandran, P. Chaloupka, Wei Xie, Y. F. Xu, H. W. Ke, J. M. Campbell, Jana Bielcikova, Y. Li, S. Singha, Alexandre Alarcon Do Passo Suaide, Ting Lin, Sergey Voloshin, Z. J. Xu, D. P. Kikola, Y. Wang, Y. Fisyak, O. Eyser, R. Aoyama, B. Stringfellow, Q. H. Xu, Z. Ye, J. Xu, J. H. Thomas, A. Aparin, S. Trentalange, Jaroslav Adam, J. W. Harris, K. Oh, Isaac Upsal, Hanna Paulina Zbroszczyk, D. G. Underwood, L. P. Zhou, J. Lidrych, D. L. Olvitt, Maowu Nie, T. G. Dedovich, K. Jiang, X. Huang, A. Kechechyan, P. Szymanski, J. D. Negrete, M. Cherney, F-H. Chang, Q. Yang, Lokesh Kumar, Hua Pei, S. K. Tripathy, Yanjun Wu, B. Pawlik, Pradip Kumar Sahu, P. Federicova, J. Bryslawskyj, C-Q. Li, H. Z. Huang, S. Vokal, J. Cheng, R. Witt, B. Huang, A. Gibson, Tetsuro Sugiura, R. Reed, G. Agakishiev, D. S. Gunarathne, N. Schmitz, E. Shahaliev, Y. J. Sun, B. Tu, Jongmin Lee, G. S. Averichev, A. H. Tang, N. Kulathunga, D. Cebra, M. Sergeeva, Michal Sumbera, C. Dilks, P. Sorensen, S. Mioduszewski, Peng Huo, A. Harlenderova, A. Taranenko, Zhanwen Zhu, J. M. Nelson, W. J. Llope, Catherine Tomkiel, J. H. Chen, N. Xu, P. Filip, I. Bunzarov, W. Guryn, R. L. Ray, V. A. Okorokov, R. Lacey, Prithwish Tribedy, B. K. Srivastava, R. Ma, S. W. Wissink, O. Matonoha, S. Kabana, Justin Ewigleben, G. Odyniec, Christina Markert, Alexander Jentsch, J. Y. Zhang, Y. Zhang, J. Fedorisin, M. M. Mondal, D. A. Morozov, A. Attri, N. Yu, Kejun Kang, L. V. Nogach, J. C. Dunlop, L. Wen, P. Liu, Sumit R. Das, Zubayer Ahammed, S. B. Nurushev, A. K. Bhati, D. Keane, Joseph Kwasizur, Nikolai Smirnov, L. G. Efimov, J. R. Adams, M. Shao, G. Van Buren, F. G. Atetalla, D. Smirnov, O. D. Tsai, O. Rusnakova, W. Solyst, S. S. Shi, T. Ljubicic, Q. Y. Shou, R. Pak, G. D. Westfall, W. Q. Shen, Xiang Sun, H. Liu, David Stewart, H. S. Matis, Sevil Salur, Niseem Magdy, H. Caines, D. Kapukchyan, M. Lomnitz, L. Didenko, I. Chakaberia, C. Zhong, E. C. Aschenauer, L. K. Kosarzewski, S. Margetis, James Brandenburg, X. Dong, W. W. Jacobs, K. N. Barish, J. Lauret, R. Lednicky, L. Kochenda, T. Tarnowsky, A. A. Derevschikov, Zhigang Xiao, T. Huang, Zongye Zhang, Y. Guo, Maksym Zyzak, I. G. Bordyuzhin, J. C. Webb, R. Seto, Yunpeng Liu, Derek Anderson, N. G. Minaev, J. A. Mazer, S. K. Radhakrishnan, L. Fulek, L. C. Bland, Chi Yang, J. Rusnak, A. F. Kraishan, L. Ruan, D. N. Svirida, Chong Kim, T. Todoroki, H. G. Ritter, Rafal Sikora, Jaroslav Bielcik, O. V. Rogachevskiy, J. Engelage, A. Quintero, G. Nigmatkulov, J. M. Landgraf, M. Strikhanov, J. Sandweiss, Nasim, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, D. Kalinkin, A. Vossen, S. Esumi, W. Christie, Bernd Surrow, Andrey Vasiliev, N. Elsey, D. Mayes, Z. Chang, X.G. Li, W. B. Schmidke, Janet Elizabeth Seger, C. A. Gagliardi, I. M. Deppner, David Brown, F. Liu, Mariusz Przybycien, Y. Yang, R. D. Majka, J. Schambach, Anju Bhasin, G. Xie, A. J. Bassill, T. Niida, and A. Lebedev
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Pseudorapidity, 0103 physical sciences, Chatterjee, 010306 general physics, 01 natural sciences
Abstract: Author(s): Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Atetalla, F; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bhati, AK; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Brown, D; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Federicova, P; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Galatyuk, T | Abstract: We present the first measurements of the longitudinal double-spin asymmetry ALL for dijets with at least one jet reconstructed within the pseudorapidity range 0.8lηl1.8. The dijets were measured in polarized pp collisions at a center-of-mass energy s=200 GeV. Values for ALL are determined for several distinct event topologies, defined by the jet pseudorapidities, and span a range of parton momentum fraction x down to x∼0.01. The measured asymmetries are found to be consistent with the predictions of global analyses that incorporate the results of previous RHIC measurements. They will provide new constraints on Δg(x) in this poorly constrained region when included in future global analyses.
Published: 2018

21. Global polarization of Λ hyperons in Au + Au collisions at sNN=200 GeV

Author: Chensheng Zhou, T. Ullrich, Yi Wang, T. Ljubicic, H. Caines, Neha Shah, C. Zhong, X. Dong, Jeong-Hun Lee, Miroslav Simko, Ron Longacre, A. Harlenderova, Long Ma, Justin Ewigleben, G. Odyniec, Shuai Yang, Chris Perkins, Yanfang Liu, J. Schambach, J. Fedorisin, Anju Bhasin, A. J. Bassill, Xiaofeng Luo, Guo-Liang Ma, J. C. Webb, Roli Esha, Jaroslav Bielcik, Li Yi, T. Niida, W. Solyst, Daniel Nemes, Jie Zhao, H. W. Ke, L. Fulek, Jie Zhang, A. S. Hirsch, A. Lebedev, L. C. Bland, Alexandre Alarcon Do Passo Suaide, P. Kravtsov, A. M. Schmah, A. Lipiec, O. V. Rogachevskiy, I. G. Alekseev, M. A. Lisa, J. C. Mei, J. Porter, Arghya Chatterjee, Feng-Han Chang, D. N. Svirida, Ivan Kisel, D. L. Olvitt, Gary Westfall, J. Kvapil, G. Agakishiev, D. S. Gunarathne, Long Zhou, Subhasis Chattopadhyay, S. Horvat, D. Cebra, S. Trentalange, Zhanwen Zhu, Chong Kim, Y. K. Sun, Bernd Surrow, Brian Page, S. Siejka, Nu Xu, H. Z. Huang, A. V. Brandin, N. Elsey, D. Mayes, Janet Elizabeth Seger, Daniel Brown, Hal Spinka, I. M. Deppner, F. Videbæk, Norbert Herrmann, Rafal Sikora, Yuanjing Li, J. Rusnak, Zhongbin Xu, A. F. Kraishan, Vipul Bairathi, L. Zhang, L. Ruan, J. L. Romero, C. A. Gagliardi, J. Putschke, Yifei Zhang, Qian Yang, Richard Daniel Majka, Lukas Kramarik, T. Todoroki, Jana Bielcikova, Madan M. Aggarwal, Sooraj Krishnan Radhakrishnan, Fuqiang Wang, E. Finch, P. Federicova, J. H. Thomas, A. Ogawa, M. Tokarev, Yang Yang, K. Yip, D. K. Mishra, N. Kulathunga, J. L. Drachenberg, Yang Wu, Anik Gupta, P. Szymanski, P. Filip, H. H. Wieman, I. G. Bordyuzhin, Y. Fisyak, Olga Evdokimov, K. Oh, Muhammad Usman Ashraf, Xiangming Sun, D. Mallick, Frank Jm Geurts, B. Huang, A. Vossen, D. Kalinkin, T. Galatyuk, Gene Van Buren, O. D. Tsai, Z. Ye, Manuel Calderon De La Barca Sanchez, L. Didenko, I. Chakaberia, Cheng Li, D. Kapukchyan, G. Igo, Maowu Nie, L. Krauth, S. Heppelmann, A. Kechechyan, James Brandenburg, K. N. Barish, Xin Li, B. J. Summa, Fuwang Shen, Gang Wang, G. S. Averichev, Christina Markert, Bill Christie, K. Kauder, A. Taranenko, O. Rusnakova, P. Seyboth, Xiaozhi Bai, Jaroslav Adam, K. Meehan, S. B. Nurushev, J. Bryslawskyj, Z. Y. Zhang, T. Tarnowsky, H. S. Matis, T. Nonaka, Jindrich Lidrych, Jiangyong Jia, L. K. Kosarzewski, Xiaolong Chen, J. Lauret, Xianglei Zhu, Arabinda Behera, Kun Jiang, Jay Roberts, Song Zhang, Yaping Wang, A. A. Derevschikov, A. I. Hamad, Saskia Mioduszewski, Shusu Shi, Zebo Tang, Sedigheh Jowzaee, S. Stanislaus, L. Kochenda, Jan Vanek, Joseph Kwasizur, Dave Underwood, N. K. Pruthi, Qinghua Xu, F. Seck, Maksym Zyzak, E. Shahaliev, Declan Keane, K. Krueger, P. Federic, M. Sergeeva, I. Vassiliev, M. Posik, Jianping Cheng, G. Eppley, O. Eyser, Sergei A. Voloshin, J. W. Harris, R. Seto, Siwei Luo, J. Pluta, W. J. Llope, Wei Li, R. Witt, N. Chankova-Bunzarova, I. Bunzarov, O. Matonoha, Subhash Singha, Joseph Adams, Alexander Jentsch, Niseem Magdy Abdelwahab Abdelrahman, Zhigang Xiao, T. Huang, J. C. Dunlop, L. Wen, Rene Bellwied, S. Vokal, Yue Liang, Wei Xie, A. Attri, Wlodek Guryn, Y. Panebratsev, Isaac Mooney, Shenghui Zhang, Zubayer Ahammed, Norbert Schmitz, Derek Anderson, P. Huo, Saehanseul Oh, D. Grosnick, William Jacobs, N. G. Minaev, John Campbell, S. W. Wissink, Q. Y. Shou, Yi-Fei Xu, Sumit Kumar, R. Pak, Feng Liu, Roy A. Lacey, Hans Georg Ritter, R. Aoyama, Mariusz Przybycien, ShinIchi Esumi, Prithwish Tribedy, B. K. Srivastava, Shengli Huang, Samuel Heppelmann, Peifeng Liu, B. Tu, Yu-Gang Ma, Guannan Xie, R. Lednicky, Hanna Paulina Zbroszczyk, A. K. Bhati, Nikolai Smirnov, Xiaoping Zhang, Xu Sun, L. G. Efimov, Liang He, Ji Xu, F. G. Atetalla, Lanny Ray, H. Liu, David Stewart, Sevil Salur, T. G. Dedovich, H. Pei, N. Yu, Kejun Kang, L. V. Nogach, Isaac Upsal, Alexander Vasiliev, Tetsuro Sugiura, S. Kabana, Paul Sorensen, D. P. Kikola, B. Stringfellow, R. Fatemi, Todd Kinghorn, Ming Shao, M. Cherney, Rosi Reed, Lokesh Kumar, S. K. Tripathy, Rongrong Ma, Nihar Sahoo, X. C. Chen, Anthony Robert Timmins, Adam Ryszard Kisiel, J. Engelage, J. M. Landgraf, Dmitry Morozov, M. Strikhanov, J. Sandweiss, Nasim, Joel Anthony Mazer, Spiros Margetis, D. Tlusty, S. Das, Jing-Han Chen, Michal Sumbera, Catherine Tomkiel, Hank Crawford, P. Chaloupka, Ting Lin, A. H. Tang, Benjamin Schweid, T. J. Humanic, D. Arkhipkin, A. Hamed, Jesus Negrete, V. A. Okorokov, Lukas Holub, Bedangadas Mohanty, Robert E. Tribble, I. K. Yoo, M. M. Mondal, E. G. Judd, and E. P. Sichtermann
Subjects: Physics, 010308 nuclear & particles physics, media_common.quotation_subject, Hyperon, Vorticity, Polarization (waves), Lambda, 01 natural sciences, Asymmetry, Magnetic field, Nuclear physics, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, media_common
Abstract: Global polarization of $\Lambda$ hyperons has been measured to be of the order of a few tenths of a percent in Au+Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV, with no significant difference between $\Lambda$ and $\bar{\Lambda}$. These new results reveal the collision energy dependence of the global polarization together with the results previously observed at $\sqrt{s_{_{NN}}}$ = 7.7 -- 62.4 GeV and indicate noticeable vorticity of the medium created in non-central heavy-ion collisions at the highest RHIC collision energy. The signal is in rough quantitative agreement with the theoretical predictions from a hydrodynamic model and from the AMPT (A Multi-Phase Transport) model. The polarization is larger in more peripheral collisions, and depends weakly on the hyperon's transverse momentum and pseudorapidity $\eta^H$ within $|\eta^H
Published: 2018

22. Design and implementation of wire tension measurement system for MWPCs used in the STAR iTPC upgrade

Author: Chengguang Zhu, C. Li, Xu Wang, Fuwang Shen, Peng Lu, J. H. Thomas, Cunfeng Feng, Qinghua Xu, and Shuai Wang
Subjects: Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Mechanical engineering, FOS: Physical sciences, Bioengineering, Hardware_PERFORMANCEANDRELIABILITY, Cardiovascular, 01 natural sciences, Atomic, FFT, Particle and Plasma Physics, 0103 physical sciences, Hardware_INTEGRATEDCIRCUITS, Nuclear, 010306 general physics, Instrumentation, physics.ins-det, MWPCs, Physics, Time projection chamber, STAR, 010308 nuclear & particles physics, Oscillation, Tension (physics), System of measurement, Detector, Molecular, Wire tension, Fundamental frequency, Instrumentation and Detectors (physics.ins-det), Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Nuclear & Particles Physics, Other Physical Sciences, Upgrade, Heart Disease, TPC, Relativistic Heavy Ion Collider, Astronomical and Space Sciences
Abstract: The STAR experiment at RHIC is planning to upgrade the Time Projection Chamber which lies at the heart of the detector. We have designed an instrument to measure the tension of the wires in the multi-wire proportional chambers (MWPCs) which will be used in the TPC upgrade. The wire tension measurement system causes the wires to vibrate and then it measures the fundamental frequency of the oscillation via a laser based optical platform. The platform can scan the entire wire plane, automatically, in a single run and obtain the wire tension on each wire with high precision. In this paper, the details about the measurement method and the system setup will be described. In addition, the test results for a prototype MWPC to be used in the STAR-iTPC upgrade will be presented., 6 pages, 10 figues, to appear in NIMA
Published: 2017

23. Setup of a photomultiplier tube test bench for LHAASO-KM2A

Author: Cunfeng Feng, Xu Wang, C. Li, Zhong-Quan Zhang, Xiao Zhao, Yan-Yan Du, Yansheng Sun, Ye Tian, and Fuwang Shen
Subjects: Physics, Nuclear and High Energy Physics, Photomultiplier, Test bench, 010308 nuclear & particles physics, business.industry, Detector, Astronomy and Astrophysics, High voltage, 01 natural sciences, Software, Air shower, Optics, Observatory, 0103 physical sciences, 010306 general physics, business, Instrumentation, Dark current
Abstract: To fulfill the requirements for testing the photomultiplier tubes (PMTs) of the electromagnetic detector at the Large High Altitude Air Shower Observatory (LHAASO), a multi-functional PMT test bench with a two-dimensional scanning system has been developed. With this 2D scanning system, 16 PMTs can be scanned simultaneously for characteristics tests, including uniformity, cathode transit time difference, single photo-electron spectrum, gain vs. high voltage, linear behavior and dark noise. The programmable hardware and intelligent software of the test bench make it convenient to use and provide reliable results. The test methods are described in detail and primary results are presented.
Published: 2016

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23 results on '"Fuwang Shen"'

1. The proton–Ω correlation function in Au + Au collisions at sNN=200GeV

2. Measurement of inclusive charged-particle jet production in Au + Au collisions at sNN=200 GeV

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

4. Strange hadron production in Au+Au collisions at sNN=7.7 , 11.5, 19.6, 27, and 39 GeV

5. Beam energy dependence of net- Λ fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider

6. First Measurement of Λc Baryon Production in Au+Au Collisions at sNN=200 GeV

7. Underlying event measurements in p+p collisions at s=200 GeV at RHIC

8. Bulk properties of the system formed in Au+Au collisions at sNN=14.5 GeV at the BNL STAR detector

9. Beam-energy dependence of identified two-particle angular correlations in sNN=7.7–200 GeV Au+Au collisions

10. First Observation of the Directed Flow of D0 and D0¯ in Au+Au Collisions at sNN=200 GeV

11. Observation of Excess J/ψ Yield at Very Low Transverse Momenta in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeV

12. Polarization of Λ ( Λ¯ ) Hyperons along the Beam Direction in Au+Au Collisions at sNN=200 GeV

13. Measurements of the transverse-momentum-dependent cross sections of J/ψ production at mid-rapidity in proton+proton collisions at s=510 and 500 GeV with the STAR detector

14. Longitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s=510 GeV

15. Studies on ion back-flow of Time Projection Chamber based on GEM and anode wire grid

16. Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at sNN=200 GeV

17. Measurement of groomed jet substructure observables in p+p collisions at s=200 GeV with STAR

18. Low- pT e+e− Pair Production in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeV at STAR

19. Longitudinal double-spin asymmetries for π0s in the forward direction for 510 GeV polarized pp collisions

20. Longitudinal double-spin asymmetries for dijet production at intermediate pseudorapidity in polarized pp collisions at s=200 GeV

21. Global polarization of Λ hyperons in Au + Au collisions at sNN=200 GeV

22. Design and implementation of wire tension measurement system for MWPCs used in the STAR iTPC upgrade

23. Setup of a photomultiplier tube test bench for LHAASO-KM2A

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23 results on '"Fuwang Shen"'

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