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Phys Rev Lett. 2018 Sep 28;121(13):132301. doi: 10.1103/PhysRevLett.121.132301.

Low-p_{T} e^{+}e^{-} Pair Production in Au+Au Collisions at sqrt[s_{NN}]=200  GeV and U+U Collisions at sqrt[s_{NN}]=193  GeV at STAR.

Physical review letters

J Adam, L Adamczyk, J R Adams, J K Adkins, G Agakishiev, M M Aggarwal, Z Ahammed, N N Ajitanand, I Alekseev, D M Anderson, R Aoyama, A Aparin, D Arkhipkin, E C Aschenauer, M U Ashraf, F Atetalla, A Attri, G S Averichev, X Bai, V Bairathi, K Barish, A J Bassill, A Behera, R Bellwied, A Bhasin, A K Bhati, J Bielcik, J Bielcikova, L C Bland, I G Bordyuzhin, J D Brandenburg, A V Brandin, D Brown, J Bryslawskyj, I Bunzarov, J Butterworth, H Caines, M Calderón de la Barca Sánchez, J M Campbell, D Cebra, I Chakaberia, P Chaloupka, F-H Chang, Z Chang, N Chankova-Bunzarova, A Chatterjee, S Chattopadhyay, J H Chen, X Chen, X Chen, J Cheng, M Cherney, W Christie, G Contin, H J Crawford, S Das, T G Dedovich, I M Deppner, A A Derevschikov, L Didenko, C Dilks, X Dong, J L Drachenberg, J C Dunlop, L G Efimov, N Elsey, J Engelage, G Eppley, R Esha, S Esumi, O Evdokimov, J Ewigleben, O Eyser, R Fatemi, S Fazio, P Federic, P Federicova, J Fedorisin, P Filip, E Finch, Y Fisyak, C E Flores, L Fulek, C A Gagliardi, T Galatyuk, F Geurts, A Gibson, D Grosnick, D S Gunarathne, Y Guo, A Gupta, W Guryn, A I Hamad, A Hamed, A Harlenderova, J W Harris, L He, S Heppelmann, S Heppelmann, N Herrmann, A Hirsch, L Holub, S Horvat, X Huang, B Huang, S L Huang, H Z Huang, T Huang, T J Humanic, P Huo, G Igo, W W Jacobs, A Jentsch, J Jia, K Jiang, S Jowzaee, E G Judd, S Kabana, D Kalinkin, K Kang, D Kapukchyan, K Kauder, H W Ke, D Keane, A Kechechyan, D P Kikoła, C Kim, T A Kinghorn, I Kisel, A Kisiel, S R Klein, L Kochenda, L K Kosarzewski, A F Kraishan, L Kramarik, L Krauth, P Kravtsov, K Krueger, N Kulathunga, S Kumar, L Kumar, J Kvapil, J H Kwasizur, R Lacey, J M Landgraf, J Lauret, A Lebedev, R Lednicky, J H Lee, X Li, C Li, W Li, Y Li, Y Liang, J Lidrych, T Lin, A Lipiec, M A Lisa, F Liu, P Liu, H Liu, Y Liu, T Ljubicic, W J Llope, M Lomnitz, R S Longacre, X Luo, S Luo, G L Ma, Y G Ma, L Ma, R Ma, N Magdy, R Majka, D Mallick, S Margetis, C Markert, H S Matis, O Matonoha, D Mayes, J A Mazer, K Meehan, J C Mei, N G Minaev, S Mioduszewski, D Mishra, B Mohanty, M M Mondal, I Mooney, D A Morozov, Md Nasim, J D Negrete, J M Nelson, D B Nemes, M Nie, G Nigmatkulov, T Niida, L V Nogach, T Nonaka, S B Nurushev, G Odyniec, A Ogawa, K Oh, S Oh, V A Okorokov, D Olvitt, B S Page, R Pak, Y Panebratsev, B Pawlik, H Pei, C Perkins, J Pluta, J Porter, M Posik, N K Pruthi, M Przybycien, J Putschke, A Quintero, S K Radhakrishnan, S Ramachandran, R L Ray, R Reed, H G Ritter, J B Roberts, O V Rogachevskiy, J L Romero, L Ruan, J Rusnak, O Rusnakova, N R Sahoo, P K Sahu, S Salur, J Sandweiss, J Schambach, A M Schmah, W B Schmidke, N Schmitz, B R Schweid, F Seck, J Seger, M Sergeeva, R Seto, P Seyboth, N Shah, E Shahaliev, P V Shanmuganathan, M Shao, W Q Shen, F Shen, S S Shi, Q Y Shou, E P Sichtermann, S Siejka, R Sikora, M Simko, S Singha, N Smirnov, D Smirnov, W Solyst, P Sorensen, H M Spinka, B Srivastava, T D S Stanislaus, D J Stewart, M Strikhanov, B Stringfellow, A A P Suaide, T Sugiura, M Sumbera, B Summa, Y Sun, X Sun, X M Sun, B Surrow, D N Svirida, P Szymanski, Z Tang, A H Tang, A Taranenko, T Tarnowsky, J H Thomas, A R Timmins, D Tlusty, T Todoroki, M Tokarev, C A Tomkiel, S Trentalange, R E Tribble, P Tribedy, S K Tripathy, O D Tsai, B Tu, T Ullrich, D G Underwood, I Upsal, G Van Buren, J Vanek, A N Vasiliev, I Vassiliev, F Videbæk, S Vokal, S A Voloshin, A Vossen, G Wang, Y Wang, F Wang, Y Wang, J C Webb, L Wen, G D Westfall, H Wieman, S W Wissink, R Witt, Y Wu, Z G Xiao, G Xie, W Xie, Q H Xu, Z Xu, J Xu, Y F Xu, N Xu, S Yang, C Yang, Q Yang, Y Yang, Z Ye, Z Ye, L Yi, K Yip, I-K Yoo, N Yu, H Zbroszczyk, W Zha, Z Zhang, L Zhang, Y Zhang, X P Zhang, J Zhang, S Zhang, S Zhang, J Zhang, J Zhao, C Zhong, C Zhou, L Zhou, Z Zhu, X Zhu, M Zyzak,

Affiliations

  1. Creighton University, Omaha, Nebraska 68178.
  2. AGH University of Science and Technology, FPACS, Cracow 30-059, Poland.
  3. Ohio State University, Columbus, Ohio 43210.
  4. University of Kentucky, Lexington, Kentucky 40506-0055.
  5. Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  6. Panjab University, Chandigarh 160014, India.
  7. Variable Energy Cyclotron Centre, Kolkata 700064, India.
  8. State University of New York, Stony Brook, New York 11794.
  9. Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  10. National Research Nuclear University MEPhI, Moscow 115409, Russia.
  11. Texas A&M University, College Station, Texas 77843.
  12. University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan.
  13. Brookhaven National Laboratory, Upton, New York 11973.
  14. Tsinghua University, Beijing 100084.
  15. Kent State University, Kent, Ohio 44242.
  16. Central China Normal University, Wuhan, Hubei 430079.
  17. National Institute of Science Education and Research, HBNI, Jatni 752050, India.
  18. University of California, Riverside, California 92521.
  19. University of Houston, Houston, Texas 77204.
  20. University of Jammu, Jammu 180001, India.
  21. Czech Technical University in Prague, FNSPE, Prague 115 19, Czech Republic.
  22. Nuclear Physics Institute AS CR, Prague 250 68, Czech Republic.
  23. Rice University, Houston, Texas 77251.
  24. Lehigh University, Bethlehem, Pennsylvania 18015.
  25. Yale University, New Haven, Connecticut 06520.
  26. University of California, Davis, California 95616.
  27. Shandong University, Jinan, Shandong 250100.
  28. National Cheng Kung University, Tainan 70101.
  29. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800.
  30. University of Science and Technology of China, Hefei, Anhui 230026.
  31. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000.
  32. Lawrence Berkeley National Laboratory, Berkeley, California 94720.
  33. University of California, Berkeley, California 94720.
  34. University of Heidelberg, Heidelberg 69120, Germany.
  35. Institute of High Energy Physics, Protvino 142281, Russia.
  36. Pennsylvania State University, University Park, Pennsylvania 16802.
  37. Lamar University, Beaumont, Texas 77710.
  38. Wayne State University, Detroit, Michigan 48201.
  39. University of California, Los Angeles, California 90095.
  40. University of Illinois at Chicago, Chicago, Illinois 60607.
  41. Southern Connecticut State University, New Haven, Connecticut 06515.
  42. Technische Universitat Darmstadt, Darmstadt 64289, Germany.
  43. Valparaiso University, Valparaiso, Indiana 46383.
  44. Temple University, Philadelphia, Pennsylvania 19122.
  45. Purdue University, West Lafayette, Indiana 47907.
  46. Indiana University, Bloomington, Indiana 47408.
  47. University of Texas, Austin, Texas 78712.
  48. Warsaw University of Technology, Warsaw 00-661, Poland.
  49. Frankfurt Institute for Advanced Studies FIAS, Frankfurt 60438, Germany.
  50. Argonne National Laboratory, Argonne, Illinois 60439.
  51. Fudan University, Shanghai 200433.
  52. Rutgers University, Piscataway, New Jersey 08854.
  53. Institute of Physics, Bhubaneswar 751005, India.
  54. Pusan National University, Pusan 46241, Korea.
  55. Institute of Nuclear Physics PAN, Cracow 31-342, Poland.
  56. Max-Planck-Institut fur Physik, Munich 80805, Germany.
  57. Universidade de Sao Paulo, Sao Paulo 05314-970, Brazil.
  58. Michigan State University, East Lansing, Michigan 48824.
  59. United States Naval Academy, Annapolis, Maryland 21402.

PMID: 30312102 DOI: 10.1103/PhysRevLett.121.132301

Abstract

We report first measurements of e^{+}e^{-} pair production in the mass region 0.4

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