Elliptic flow of heavy-flavor decay electrons in Au plus Au collisions at vsNN=27 and 54.4 GeV at RHIC

被引:3
作者
Abdulhamid, M. I. [4 ]
Aboona, B. E. [56 ]
Adam, J. [16 ]
Adamczyk, L. [2 ]
Adams, J. R. [40 ]
Aggarwal, I. [42 ]
Aggarwal, M. M. [42 ]
Ahammed, Z. [63 ]
Anderson, D. M. [56 ]
Aschenauer, E. C. [6 ]
Aslam, S. [27 ]
Atchison, J. [1 ]
Bairathi, V. [54 ]
Baker, W. [12 ]
Cap, J. G. Ball [23 ]
Barish, K. [12 ]
Bellwied, R. [23 ]
Bhagat, P. [30 ]
Bhasin, A. [30 ]
Bhatta, S. [53 ]
Bielcik, J. [16 ]
Bielcikova, J. [39 ]
Brandenburg, J. D. [40 ]
Butterworth, J. [44 ]
Cai, X. Z. [51 ]
Caines, H. [66 ]
Sanchez, M. Calderon de la Barca [10 ]
Cebra, D. [10 ]
Ceska, J. [16 ]
Chakaberia, I. [33 ]
Chaloupka, P. [16 ]
Chan, B. K. [11 ]
Chang, Z. [28 ]
Chatterjee, A. [18 ]
Chen, D. [12 ]
Chen, J. [50 ]
Chen, J. H. [21 ]
Chen, Z. [50 ]
Cheng, J. [58 ]
Cheng, Y. [11 ]
Choudhury, S. [21 ]
Christie, W. [6 ]
Chu, X. [6 ]
Crawford, H. J. [9 ]
Csanad, M. [19 ]
Dale-Gau, G. [14 ]
Das, A. [16 ]
Daugherity, M. [1 ]
Deppner, I. M. [22 ]
Dhamija, A. [42 ]
机构
[1] Abilene Christian Univ, Abilene, TX 79699 USA
[2] AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland
[3] Argonne Natl Lab, Argonne, IL 60439 USA
[4] Amer Univ Cairo, New Cairo 11835, Egypt
[5] Ball State Univ, Muncie, IN 47306 USA
[6] Brookhaven Natl Lab, Upton, NY 11973 USA
[7] Univ Calabria, I-87036 Arcavacata Di Rende, Italy
[8] INFN Cosenza, I-87036 Arcavacata Di Rende, Italy
[9] Univ Calif Berkeley, Berkeley, CA 94720 USA
[10] Univ Calif Davis, Davis, CA 95616 USA
[11] Univ Calif Los Angeles, Los Angeles, CA 90095 USA
[12] Univ Calif Riverside, Riverside, CA 92521 USA
[13] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China
[14] Univ Illinois, Chicago, IL 60607 USA
[15] Creighton Univ, Omaha, NE 68178 USA
[16] Czech Tech Univ, FNSPE, Prague 11519, Czech Republic
[17] Tech Univ Darmstadt, D-64289 Darmstadt, Germany
[18] Natl Inst Technol Durgapur, Durgapur 713209, India
[19] Eotvos Lorand Univ, H-1117 Budapest, Hungary
[20] Frankfurt Inst Adv Studies FIAS, D-60438 Frankfurt, Germany
[21] Fudan Univ, Shanghai 200433, Peoples R China
[22] Heidelberg Univ, D-69120 Heidelberg, Germany
[23] Univ Houston, Houston, TX 77204 USA
[24] Huzhou Univ, Huzhou 313000, Zhejiang, Peoples R China
[25] Indian Inst Sci Educ & Res IISER, Berhampur 760010, India
[26] Indian Inst Sci Educ & Res IISER Tirupati, Tirupati 517507, Andhra Pradesh, India
[27] Indian Inst Technol, Patna 801106, Bihar, India
[28] Indiana Univ, Bloomington, IN 47408 USA
[29] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
[30] Univ Jammu, Jammu 180001, India
[31] Kent State Univ, Kent, OH 44242 USA
[32] Univ Kentucky, Lexington, KY 40506 USA
[33] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[34] Lehigh Univ, Bethlehem, PA 18015 USA
[35] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[36] Michigan State Univ, E Lansing, MI 48824 USA
[37] Natl Inst Sci Educ & Res, HBNI, Jatni 752050, India
[38] Natl Cheng Kung Univ, Tainan 70101, Taiwan
[39] CAS, Nucl Phys Inst, Rez 25068, Czech Republic
[40] Ohio State Univ, Columbus, OH 43210 USA
[41] Inst Nucl Phys PAN, PL-31342 Krakow, Poland
[42] Panjab Univ, Chandigarh 160014, India
[43] Purdue Univ, W Lafayette, IN 47907 USA
[44] Rice Univ, Houston, TX 77251 USA
[45] Rutgers State Univ, Piscataway, NJ 08854 USA
[46] Univ Sao Paulo, BR-05314970 Sao Paulo, Brazil
[47] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
[48] South China Normal Univ, Guangzhou 510631, Guangdong, Peoples R China
[49] Sejong Univ, Seoul 05006, South Korea
[50] Shandong Univ, Qingdao 266237, Shandong, Peoples R China
基金
美国国家科学基金会; 中国国家自然科学基金; 新加坡国家研究基金会; 日本学术振兴会;
关键词
Heavy-flavor decay electron; Elliptic flow; Charm quark spatial diffusion coefficient; PHOTON PRODUCTION; PB COLLISIONS; STAR; SEARCH;
D O I
10.1016/j.physletb.2023.138071
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on new measurements of elliptic flow (v(2)) of electrons from heavy-flavor hadron decays at mid-rapidity (|y| < 0.8) in Au+Au collisions at vs(NN) = 27 and 54.4 GeV from the STAR experiment. Heavy-flavor decay electrons (eHF) in Au+Au collisions at vs(NN) = 54.4 GeV exhibit a non-zero v(2) in the transverse momentum (p(T)) region of p(T) < 2 GeV/c with the magnitude comparable to that at vs(NN) = 200 GeV. The measured e(HF) v(2) at 54.4 GeV is also consistent with the expectation of their parent charm hadron v(2) following number-of-constituent-quark scaling as other light and strange flavor hadrons at this energy. These suggest that charm quarks gain significant collectivity through the evolution of the QCD medium and may reach local thermal equilibrium in Au+Au collisions at vs(NN) = 54.4 GeV. The measured e(HF) v(2) in Au+Au collisions at vs(NN) = 27 GeV is consistent with zero within large uncertainties. The energy dependence of v(2) for different flavor particles (p, f, D-0/e(HF)) shows an indication of quark mass hierarchy in reaching thermalization in high-energy nuclear collisions.(C) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP(3).
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相关论文
共 81 条
[1]   Measurement of azimuthal anisotropy of muons from charm and bottom hadrons Pb plus Pb collisions at √sNN=5.02 TeV with the ATLAS detector [J].
Aad, G. ;
Abbott, B. ;
Abbott, D. C. ;
Abud, A. Abed ;
Abeling, K. ;
Abhayasinghe, D. K. ;
Abidi, S. H. ;
AbouZeid, O. S. ;
Abraham, N. L. ;
Abramowicz, H. ;
Abreu, H. ;
Abulaiti, Y. ;
Acharya, B. S. ;
Achkar, B. ;
Adam, L. ;
Bourdarios, C. Adam ;
Adamczyk, L. ;
Adamek, L. ;
Adelman, J. ;
Adersberger, M. ;
Adiguzel, A. ;
Adorni, S. ;
Adye, T. ;
Affolder, A. A. ;
Afik, Y. ;
Agapopoulou, C. ;
Agaras, M. N. ;
Aggarwal, A. ;
Agheorghiesei, C. ;
Aguilar-Saavedra, J. A. ;
Ahmad, A. ;
Ahmadov, F. ;
Ahmed, W. S. ;
Ai, X. ;
Aielli, G. ;
Akatsuka, S. ;
Akesson, T. P. A. ;
Akilli, E. ;
Akimov, A., V ;
Al Khoury, K. ;
Alberghi, G. L. ;
Albert, J. ;
Verzini, M. J. Alconada ;
Alderweireldt, S. ;
Aleksa, M. ;
Aleksandrov, I. N. ;
Alexa, C. ;
Alexopoulos, T. ;
Alfonsi, A. ;
Alfonsi, F. .
PHYSICS LETTERS B, 2020, 807
[2]   Measurement of cold nuclear matter effects for inclusive J/ψ in p plus Au collisions at √sNN=200 GeV [J].
Abdallah, M. S. ;
Aboona, B. E. ;
Adam, J. ;
Adamczyk, L. ;
Adams, J. R. ;
Adkins, J. K. ;
Agakishiev, G. ;
Aggarwal, I ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Alekseev, I ;
Anderson, D. M. ;
Aparin, A. ;
Aschenauer, E. C. ;
Ashraf, M. U. ;
Atetalla, F. G. ;
Attri, A. ;
Averichev, G. S. ;
Bairathi, V ;
Baker, W. ;
Cap, J. G. Ball ;
Barish, K. ;
Behera, A. ;
Bellwied, R. ;
Bhagat, P. ;
Bhasin, A. ;
Bielcik, J. ;
Bielcikova, J. ;
Bordyuzhin, I. G. ;
Brandenburg, J. D. ;
Brandin, A., V ;
Bunzarov, I ;
Cai, X. Z. ;
Caines, H. ;
Sanchez, M. Calderon de la Barca ;
Cebra, D. ;
Chakaberia, I ;
Chaloupka, P. ;
Chan, B. K. ;
Chang, F-H ;
Chang, Z. ;
Chankova-Bunzarova, N. ;
Chatterjee, A. ;
Chattopadhyay, S. ;
Chen, D. ;
Chen, J. ;
Chen, J. H. ;
Chen, X. ;
Chen, Z. ;
Cheng, J. .
PHYSICS LETTERS B, 2022, 825
[3]   Measurement of inclusive electrons from open heavy-flavor hadron decays in p plus p collisions at √s=200 GeV with the STAR detector [J].
Abdallah, M. S. ;
Aboona, B. E. ;
Adam, J. ;
Adamczyk, L. ;
Adams, J. R. ;
Adkins, J. K. ;
Agakishiev, G. ;
Aggarwal, I ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Alekseev, I ;
Anderson, D. M. ;
Aparin, A. ;
Aschenauer, E. C. ;
Ashraf, M. U. ;
Atetalla, F. G. ;
Attri, A. ;
Averichev, G. S. ;
Bai, X. ;
Bairathi, V ;
Baker, W. ;
Cap, J. G. Ball ;
Barish, K. ;
Behera, A. ;
Bellwied, R. ;
Bhagat, P. ;
Bhasin, A. ;
Bielcik, J. ;
Bielcikova, J. ;
Bordyuzhin, I. G. ;
Brandenburg, J. D. ;
Brandin, A., V ;
Bunzarov, I ;
Cai, X. Z. ;
Caines, H. ;
Sanchez, M. Calderon de la Barca ;
Cebra, D. ;
Chakaberia, I ;
Chaloupka, P. ;
Chan, B. K. ;
Chang, F-H ;
Chang, Z. ;
Chankova-Bunzarova, N. ;
Chatterjee, A. ;
Chattopadhyay, S. ;
Chen, D. ;
Chen, J. ;
Chen, J. H. ;
Chen, X. ;
Chen, Z. .
PHYSICAL REVIEW D, 2022, 105 (03)
[4]   Azimuthal anisotropy measurements of strange and multistrange hadrons in U plus U collisions at √SNN=193 GeV at the BNL Relativistic Heavy Ion Collider [J].
Abdallah, M. S. ;
Adam, J. ;
Adamczyk, L. ;
Adams, J. R. ;
Adkins, J. K. ;
Agakishiev, G. ;
Aggarwal, I ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Alekseev, I ;
Anderson, D. M. ;
Aparin, A. ;
Aschenauer, E. C. ;
Ashraf, M. U. ;
Atetalla, F. G. ;
Attri, A. ;
Averichev, G. S. ;
Bairathi, V ;
Baker, W. ;
Cap, J. G. Ball ;
Barish, K. ;
Behera, A. ;
Bellwied, R. ;
Bhagat, P. ;
Bhasin, A. ;
Bielcik, J. ;
Bielcikova, J. ;
Bordyuzhin, I. G. ;
Brandenburg, J. D. ;
Brandin, A., V ;
Bunzarov, I ;
Butterworth, J. ;
Cai, X. Z. ;
Caines, H. ;
de la Barca Sanchez, M. Calderon ;
Cebra, D. ;
Chakaberia, I ;
Chaloupka, P. ;
Chan, B. K. ;
Chang, F-H ;
Chang, Z. ;
Chankova-Bunzarova, N. ;
Chatterjee, A. ;
Chattopadhyay, S. ;
Chen, D. ;
Chen, J. ;
Chen, J. H. ;
Chen, X. ;
Chen, Z. ;
Cheng, J. .
PHYSICAL REVIEW C, 2021, 103 (06)
[5]  
Abelev B, 2015, J HIGH ENERGY PHYS, DOI 10.1007/JHEP06(2015)190
[6]   Centrality dependence of π, K, and p production in Pb-Pb collisions at √sNN=2.76 TeV [J].
Abelev, B. ;
Adam, J. ;
Adamova, D. ;
Adare, A. M. ;
Aggarwal, M. M. ;
Rinella, G. Aglieri ;
Agnello, M. ;
Agocs, A. G. ;
Agostinelli, A. ;
Ahammed, Z. ;
Ahmad, N. ;
Masoodi, A. Ahmad ;
Ahn, S. A. ;
Ahn, S. U. ;
Ajaz, M. ;
Akindinov, A. ;
Aleksandrov, D. ;
Alessandro, B. ;
Alici, A. ;
Alkin, A. ;
Almaraz Avina, E. ;
Alme, J. ;
Alt, T. ;
Altini, V. ;
Altinpinar, S. ;
Altsybeev, I. ;
Andrei, C. ;
Andronic, A. ;
Anguelov, V. ;
Anielski, J. ;
Anson, C. ;
Anticic, T. ;
Antinori, F. ;
Antonioli, P. ;
Aphecetche, L. ;
Appelshaeuser, H. ;
Arbor, N. ;
Arcelli, S. ;
Arend, A. ;
Armesto, N. ;
Arnaldi, R. ;
Aronsson, T. ;
Arsene, I. C. ;
Arslandok, M. ;
Asryan, A. ;
Augustinus, A. ;
Averbeck, R. ;
Awes, T. C. ;
Aysto, J. ;
Azmi, M. D. .
PHYSICAL REVIEW C, 2013, 88 (04)
[7]   Centrality determination of Pb-Pb collisions at √sNN=2.76 TeV with ALICE [J].
Abelev, B. ;
Adam, J. ;
Adamova, D. ;
Adare, A. M. ;
Aggarwal, M. M. ;
Rinella, G. Aglieri ;
Agnello, M. ;
Agocs, A. G. ;
Agostinelli, A. ;
Ahammed, Z. ;
Ahmad, N. ;
Masoodi, A. Ahmad ;
Ahn, S. U. ;
Ahn, S. A. ;
Ajaz, M. ;
Akindinov, A. ;
Aleksandrov, D. ;
Alessandro, B. ;
Alici, A. ;
Alkin, A. ;
Avina, E. Almaraz ;
Alme, J. ;
Alt, T. ;
Altini, V. ;
Altinpinar, S. ;
Altsybeev, I. ;
Andrei, C. ;
Andronic, A. ;
Anguelov, V. ;
Anielski, J. ;
Anson, C. ;
Anticic, T. ;
Antinori, F. ;
Antonioli, P. ;
Aphecetche, L. ;
Appelshaeuser, H. ;
Arbor, N. ;
Arcelli, S. ;
Arend, A. ;
Armesto, N. ;
Arnaldi, R. ;
Aronsson, T. ;
Arsene, I. C. ;
Arslandok, M. ;
Asryan, A. ;
Augustinus, A. ;
Averbeck, R. ;
Awes, T. C. ;
Aeystoe, J. ;
Azmi, M. D. .
PHYSICAL REVIEW C, 2013, 88 (04)
[8]   Energy dependence of π±, p and (p)over-bar transverse momentum spectra for Au+Au collisions at √SNN=62.4 and 200 GeV [J].
Abelev, B. I. ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Anderson, B. D. ;
Arkhipkin, D. ;
Averichev, G. S. ;
Bai, Y. ;
Balewski, J. ;
Barannikova, O. ;
Barnby, L. S. ;
Baumgart, S. ;
Belaga, V. V. ;
Bellingeri-Laurikainen, A. ;
Bellwied, R. ;
Benedosso, F. ;
Betts, R. R. ;
Bharadwaj, S. ;
Bhasin, A. ;
Bhati, A. K. ;
Bichsel, H. ;
Bielcik, J. ;
Bielcikova, J. ;
Billmeier, A. ;
Bland, L. C. ;
Blyth, S. -L. ;
Bombara, M. ;
Bonner, B. E. ;
Botje, M. ;
Bouchet, J. ;
Brandin, A. V. ;
Bravar, A. ;
Burton, T. P. ;
Bystersky, M. ;
Cadman, R. V. ;
Cai, X. Z. ;
Caines, H. ;
de la Barca Sanchez, M. Calderon ;
Callner, J. ;
Catu, O. ;
Cebra, D. ;
Chajecki, Z. ;
Chaloupka, P. ;
Chattopadhyay, S. ;
Chen, H. F. ;
Chen, J. H. ;
Chen, J. Y. ;
Cheng, J. ;
Cherney, M. ;
Chikanian, A. ;
Choi, H. A. .
PHYSICS LETTERS B, 2007, 655 (3-4) :104-113
[9]   Identified particle production, azimuthal anisotropy, and interferometry measurements in Au plus Au collisions at √sNN=9.2 GeV [J].
Abelev, B. I. ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Alakhverdyants, A. V. ;
Anderson, B. D. ;
Arkhipkin, D. ;
Averichev, G. S. ;
Balewski, J. ;
Barannikova, O. ;
Barnby, L. S. ;
Baumgart, S. ;
Beavis, D. R. ;
Bellwied, R. ;
Benedosso, F. ;
Betancourt, M. J. ;
Betts, R. R. ;
Bhasin, A. ;
Bhati, A. K. ;
Bichsel, H. ;
Bielcik, J. ;
Bielcikova, J. ;
Biritz, B. ;
Bland, L. C. ;
Bnzarov, I. ;
Bonner, B. E. ;
Bouchet, J. ;
Braidot, E. ;
Brandin, A. V. ;
Bridgeman, A. ;
Bruna, E. ;
Bueltmann, S. ;
Burton, T. P. ;
Cai, X. Z. ;
Caines, H. ;
Sanchez, M. Calderon de la Barca ;
Catu, O. ;
Cebra, D. ;
Cendejas, R. ;
Cervantes, M. C. ;
Chajecki, Z. ;
Chaloupka, P. ;
Chattopadhyay, S. ;
Chen, H. F. ;
Chen, J. H. ;
Chen, J. Y. ;
Cheng, J. ;
Cherney, M. ;
Chikanian, A. ;
Choi, K. E. ;
Christie, W. .
PHYSICAL REVIEW C, 2010, 81 (02)
[10]   Systematic measurements of identified particle spectra in pp, d plus Au, and Au plus Au collisions at the STAR detector [J].
Abelev, B. I. ;
Aggarwal, M. M. ;
Ahammed, Z. ;
Anderson, B. D. ;
Arkhipkin, D. ;
Averichev, G. S. ;
Bai, Y. ;
Balewski, J. ;
Barannikova, O. ;
Barnby, L. S. ;
Baudot, J. ;
Baumgart, S. ;
Beavis, D. R. ;
Bellwied, R. ;
Benedosso, F. ;
Betts, R. R. ;
Bhardwaj, S. ;
Bhasin, A. ;
Bhati, A. K. ;
Bichsel, H. ;
Bielcik, J. ;
Bielcikova, J. ;
Biritz, B. ;
Bland, L. C. ;
Bombara, M. ;
Bonner, B. E. ;
Botje, M. ;
Bouchet, J. ;
Braidot, E. ;
Brandin, A. V. ;
Bruna, E. ;
Bueltmann, S. ;
Burton, T. P. ;
Bystersky, M. ;
Cai, X. Z. ;
Caines, H. ;
Sanchez, M. Calderson de la Barca ;
Callner, J. ;
Catu, O. ;
Cebra, D. ;
Cendejas, R. ;
Cervantes, M. C. ;
Chajecki, Z. ;
Chaloupka, P. ;
Chattopadhyay, S. ;
Chen, H. F. ;
Chen, J. H. ;
Chen, J. Y. ;
Cheng, J. ;
Cherney, M. .
PHYSICAL REVIEW C, 2009, 79 (03)