Effects of centrality fluctuation and deuteron formation on the proton number cumulant in Au+Au collisions at \begin{document}${ \sqrt {{{ s}_{{{NN}}}}}\; } $\end{document} = 3 GeV from the JAM model
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In this paper, the effects of centrality fluctuation and deuteron formation on the cumulant and correlation functions of protons up to the sixth order in a microscopic transport model were studied.Abstract:
We studied the effects of centrality fluctuation and deuteron formation on the cumulant ( \begin{document}$C_n$\end{document} ) and correlation functions ( \begin{document}$\kappa_n$\end{document} ) of protons up to the sixth order in the most central ( \begin{document}$b$\end{document} \begin{document}$ \sqrt {{s_{{{NN}}}}}\; $\end{document} = 3 GeV in a microscopic transport model (JAM). The results are presented as a function of rapidity acceptance within the transverse momentum 0.4 < pT < 2 GeV/c. We compared the results obtained by the centrality bin width correction (CBWC) using charged reference particle multiplicities with the CBWC using impact parameter bins. It was found that, at low energies, the centrality resolution for determining the collision centrality using charged particle multiplicities is not sufficient to reduce the initial volume fluctuation effect for higher-order cumulant analysis. New methods need to be developed to classify events with high centrality resolution for heavy-ion collisions at low energies. Finally, we observed that the formation of deuterons suppresses the higher-order cumulants and correlation functions of protons and found it to be similar to the efficiency effect. This work can serve as a noncritical baseline for the QCD critical point search in the high baryon density region.read more
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A Ramazani Moghaddam Arani,H.R. Amir Ahmadi,A.D. Bacher,C. D. Bailey,Aleksandra Biegun,Mohammad Eslami-Kalantari,Igor Gašparić,L. Joulaeizadeh,Nasser Kalantar-Nayestanaki,Kistryn,A. Kozela,H. Mardanpour,J. G. Messchendorp,A. Micherdzinska,H. Moeini,S. V. Shende,E. Stephan,E. J. Stephenson,R. Sworst +18 more
Journal ArticleDOI
Cumulants and correlation functions of net-proton, proton, and antiproton multiplicity distributions in Au+Au collisions at energies available at the BNL Relativistic Heavy Ion Collider
M. S. Abdallah,Jaroslav Adam,Leszek Adamczyk,J. R. Adams,J. K. Adkins,G. Agakishiev,I. Aggarwal,Madan M. Aggarwal,Zubayer Ahammed,I. G. Alekseev,Donald M. Anderson,A. Aparin,E. C. Aschenauer,Muhammad Usman Ashraf,F. G. Atetalla,A. Attri,G. S. Averichev,Vipul Bairathi,W. Baker,J. G. Ball Cap,K. N. Barish,Arabinda Behera,Rene Bellwied,P. Bhagat,Anju Bhasin,Jaroslav Bielcik,Jana Bielcikova,I. G. Bordyuzhin,J. D. Brandenburg,A. V. Brandin,I. Bunzarov,J. M. Butterworth,X. Z. Cai,H. Caines,M. Calderon De La Barca Sanchez,D. Cebra,Irakli Chakaberia,P. Chaloupka,B. K. Chan,F-H. Chang,Z. Chang,N. Chankova-Bunzarova,Avishek Chatterjee,Sukalyan Chattopadhyay,D. Chen,J. H. Chen,Jing-Han Chen,X. C. Chen,Zhenyu Chen,J. Cheng,M. Chevalier,Somnath Choudhury,W. Christie,X. Chu,H. J. Crawford,M. Csanad,M. S. Daugherity,T. G. Dedovich,I. M. Deppner,A. A. Derevschikov,A. Dhamija,L. Di Carlo,L. Didenko,X. Dong,J. L. Drachenberg,J. C. Dunlop,N. Elsey,J. Engelage,G. Eppley,S. Esumi,Olga Evdokimov,A. Ewigleben,O. Eyser,R. Fatemi,F. M. Fawzi,S. Fazio,P. Federic,J. Fedorisin,C. J. Feng,Yicheng Feng,P. Filip,E. Finch,Y. Fisyak,Audrey Francisco,C. Fu,L. Fulek,C. A. Gagliardi,T. Galatyuk,Frank Jm Geurts,N. Ghimire,A. Gibson,K. Gopal,X. Gou,D. Grosnick,A. Gupta,W. Guryn,A. I. Hamad,A. Hamed,Y. Han,S. Harabasz,M. D. Harasty,J. W. Harris,H. Harrison,S. He,W. He,X. H. He,Y. He,S. Heppelmann,N. Herrmann,E. Hoffman,Lukas Holub,Y. Hu,H. Z. Huang,H. Z. Huang,Shengli Huang,T. Huang,X. Huang,Y. Huang,T. J. Humanic,D. Isenhower,W. W. Jacobs,Chitrasen Jena,Alexander Jentsch,Yunlan Ji,Jiangyong Jia,K. Jiang,Xinyue Ju,E. G. Judd,S. Kabana,M. L. Kabir,Skipper Kagamaster,D. Kalinkin,K. Kang,D. Kapukchyan,K. Kauder,H. W. Ke,D. Keane,A. Kechechyan,Yevheniia Khyzhniak,D. P. Kikola,Chong Kim,B. Kimelman,D. Kincses,Ivan Kisel,Alexander Kiselev,A. G. Knospe,L. Kochenda,L. K. Kosarzewski,Lukas Kramarik,P. Kravtsov,Lokesh Kumar,S. Kumar,R. Kunnawalkam Elayavalli,Joseph Kwasizur,R. Lacey,S. Lan,J. M. Landgraf,J. Lauret,A. Lebedev,R. Lednicky,Jongmin Lee,Y. H. Leung,C-Q. Li,W. Li,X.G. Li,Y. Li,X. Liang,Ying Liang,Robert Licenik,Ting Lin,Y. Lin,M. A. Lisa,F. Liu,H. Liu,Peng Liu,Tong Liu,Xiaoyu Liu,Yunpeng Liu,Z. Liu,T. Ljubicic,W. J. Llope,R. S. Longacre,E. Loyd,N. S. Lukow,X. G. Luo,Lin Ma,R. Ma,Y. G. Ma,N. Magdy,R. D. Majka,Dukhishyam Mallick,S. Margetis,Christina Markert,H. S. Matis,Joel Anthony Mazer,N. G. Minaev,S. Mioduszewski,Bedangadas Mohanty,M. M. Mondal,Isaac Mooney,D. A. Morozov,A. Mukherjee,M. I. Nagy,J. D. Nam,Md. Nasim,K. Nayak,D. Neff,J. M. Nelson,Daniel Nemes,Maowu Nie,G. Nigmatkulov,T. Niida,R. Nishitani,L. V. Nogach,T. Nonaka,A. S. Nunes,G. Odyniec,A. Ogawa,Saehanseul Oh,Vitaly Okorokov,B. S. Page,R. Pak,A. Pandav,A. K. Pandey,Y. Panebratsev,P. Parfenov,B. Pawlik,Diana Pawlowska,Hua Pei,C. Perkins,L. S. Pinsky,Roland Laszlo Pinter,J. Pluta,B. R. Pokhrel,G. Ponimatkin,J. Porter,M. Posik,V. Prozorova,N. K. Pruthi,Mariusz Przybycien,J. Putschke,Hao Qiu,A. Quintero,C. Racz,Sooraj Krishnan Radhakrishnan,N. Raha,Rajarshi Ray,R. Reed,H. G. Ritter,M. Robotkova,O. V. Rogachevskiy,J. L. Romero,L. Ruan,J. Rusnak,Niladribihari Sahoo,H. Sako,Sevil Salur,J. Sandweiss,Susumu Sato,W. B. Schmidke,N. Schmitz,Benjamin Schweid,F. Seck,Janet Elizabeth Seger,M. Sergeeva,R. Seto,P. Seyboth,Nilay Shah,E. Shahaliev,P. V. Shanmuganathan,M. Shao,T. Shao,Ashik Ikbal Sheikh,D. Shen,S. S. Shi,Y. Shi,Q. Y. Shou,E. P. Sichtermann,Rafal Sikora,Miroslav Simko,J. B. Singh,Subhash Singha,M. J. Skoby,Nikita Smirnov,Y. Söhngen,W. Solyst,P. Sorensen,H. M. Spinka,B. K. Srivastava,T. D. S. Stanislaus,Maria Stefaniak,David Stewart,M. Strikhanov,B. Stringfellow,A. A. P. Suaide,Michal Sumbera,B. J. Summa,X. M. Sun,Xiangming Sun,Y. J. Sun,Bernd Surrow,D. N. Svirida,Z. W. Sweger,P. Szymanski,A. H. Tang,Zebo Tang,A. Taranenko,T. Tarnowsky,J. H. Thomas,Anthony Robert Timmins,D. Tlusty,T. Todoroki,M. Tokarev,Catherine Tomkiel,S. Trentalange,R. E. Tribble,Prithwish Tribedy,S. K. Tripathy,T. Truhlar,Barbara Antonina Trzeciak,O. D. Tsai,Z. Tu,T. Ullrich,D. G. Underwood,I. Upsal,G. Van Buren,Jan Vanek,Andrey Vasiliev,I. Vassiliev,V. Verkest,F. Videbæk,S. Vokal,Sergey Voloshin,Fuqiang Wang,G. Wang,J. S. Wang,Pengdong Wang,Y. Wang,Zuojia Wang,J. C. Webb,P. C. Weidenkaff,L. Wen,G. D. Westfall,H. H. Wieman,S. W. Wissink,R. Witt,J. Wu,Y. F. Wu,B. Xi,Zhigang Xiao,Guannan Xie,Wei Xie,H. S. Xu,N. Xu,Q. H. Xu,Y. F. Xu,Z. Z. Xu,C. Yang,Qi Yang,Shangfeng Yang,Y. Yang,Z. Yang,Z. Ye,Li Yi,K. Yip,Y. Yu,Hanna Paulina Zbroszczyk,W. Zha,C. C. Zhang,D. Zhang,S. Zhang,Xuan Zhang,Y. Zhang,Z. J. Zhang,Zongye Zhang,Jize Zhao,C. Zhou,Xiaofeng Zhu,Zhanwen Zhu,Maria Zurek,M. Zyzak +380 more
TL;DR: Abdelallah et al. as discussed by the authors reported a systematic measurement of cumulants, Cn, for net-proton, proton, and antiproton multiplicity distributions, and correlation functions, κn, in the first phase of the Beam Energy Scan (BES) program at the BNL Relativistic Heavy Ion Collider (RHIC) facility.
Journal ArticleDOI
Hyper-order baryon number fluctuations at finite temperature and density
TL;DR: In this article, the baryon number fluctuations up to tenth order at finite temperature and density are computed in a QCD-assisted effective theory that accurately captures the quantum and in-medium effects of QCD at low energies.
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