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Measurement of the transverse energy density in Au+Au collisions at sNN = 200 GeV with the sPHENIX detector

  • M. I. Abdulhamid
  • , U. Acharya
  • , E. R. Adams
  • , G. Adawi
  • , C. A. Aidala
  • , Y. Akiba
  • , M. Alfred
  • , S. Ali
  • , A. Alsayegh
  • , S. Altaf
  • , H. Amedi
  • , D. M. Anderson
  • , V. V. Andrieux
  • , A. Angerami
  • , N. Applegate
  • , H. Aso
  • , S. Aune
  • , B. Azmoun
  • , V. R. Bailey
  • , D. Baranyai
  • S. Bathe, A. Bazilevsky, S. Bela, R. Belmont, J. Bennett, J. C. Bernauer, J. Bertaux, R. Bi, A. Bonenfant, S. Boose, C. Borchers, H. Bossi, R. Botsford, R. Boucher, A. Brahma, J. W. Bryan, D. Cacace, I. Cali, M. Chamizo-Llatas, S. B. Chauhan, A. Chen, D. Chen, J. Chen, K. Chen, K. Y. Chen, K. Y. Cheng, C. Y. Chi, M. Chiu, J. Clement, E. W. Cline, M. Connors, E. Cook, R. Corliss, Y. Corrales Morales, E. Croft, N. d’Hose, A. Dabas, D. Dacosta, M. Daradkeh, S. J. Das, A. P. Dash, G. David, C. T. Dean, K. Dehmelt, X. Dong, A. Drees, J. M. Durham, A. Enokizono, H. Enyo, J. Escobar Cepero, R. Esha, B. Fadem, R. Feder, K. Finnelli, D. Firak, A. Francisco, J. Frantz, A. Frawley, K. Fujiki, M. Fujiwara, B. Garcia, P. Garg, G. Garmire, E. Gentry, Y. Go, C. Goblin, W. Goodman, Y. Goto, A. Grabas, O. Grachov, J. Granato, N. Grau, S. V. Greene, S. K. Grossberndt, R. Guidolini-Cecato, T. Hachiya, J. S. Haggerty, R. Hamilton, J. Hammond, D. A. Hangal, S. Hasegawa, M. Hata, W. He, X. He, T. Hemmick, A. Hodges, M. E. Hoffmann, A. Holt, B. Hong, M. Housenga, S. Howell, Y. Hu, H. Z. Huang, J. Huang, T. C. Huang, D. A. Huffman, C. Hughes, J. Hwang, T. Ichino, M. Ikemoto, D. Imagawa, H. Imai, D. Jah, J. James, H. R. Jheng, Y. Ji, Z. Ji, H. Jiang, M. Kano, L. Kasper, T. Kato, Y. Kawashima, M. S. Khan, T. Kikuchi, J. Kim, B. Kimelman, H. T. Klest, A. G. Knospe, M. B. Knuesel, H. S. Ko, J. Kuczewski, N. Kumar, R. Kunnawalkam Elayavalli, C. M. Kuo, J. Kvapil, Y. Kwon, J. Lajoie, J. D. Lang, A. Lebedev, S. Lee, L. Legnosky, S. Li, X. Li, T. Lian, S. Liechty, S. Lim, D. Lis, M. X. Liu, W. J. Llope, D. A. Loomis, R. S. Lu, L. Ma, W. Ma, V. Mahaut, T. Majoros, I. Mandjavidze, E. Mannel, C. Markert, T. R. Marshall, C. Martin, H. Masuda, G. Mattson, M. Mazeikis, C. McGinn, E. McLaughlin, J. Mead, Y. Mei, T. Mengel, M. Meskowitz, J. Mills, A. Milov, C. Mironov, G. Mitsuka, N. Morimoto, D. Morrison, L. W. Mwibanda, C. J. Naïm, J. L. Nagle, I. Nakagawa, Y. Nakamura, G. Nakano, A. Narde, C. E. Nattrass, D. Neff, S. Nelson, D. Nemoto, P. A. Nieto-Marín, R. Nouicer, G. Nukazuka, E. O’Brien, G. Odyniec, S. Oh, V. A. Okorokov, A. C. Oliveira da Silva, J. D. Osborn, G. J. Ottino, Y. C. Ou, J. Ouellette, D. Padrazo, T. Pani, J. Park, A. Patton, H. Pereira Da Costa, D. V. Perepelitsa, M. Peters, S. Ping, C. Pinkenburg, R. Pisani, C. Platte, C. Pontieri, T. Protzman, M. L. Purschke, J. Putschke, R. J. Reed, L. Reeves, S. Regmi, E. Renner, D. Richford, C. Riedl, T. Rinn, C. Roland, G. Roland, A. Romero Hernandez, M. Rosati, D. Roy, A. Saed, T. Sakaguchi, H. Sako, S. Salur, J. Sandhu, M. Sarsour, S. Sato, B. Sayki, B. Schaefer, J. Schambach, R. Seidl, B. D. Seidlitz, Y. Sekiguchi, M. Shahid, D. M. Shangase, Z. Shi, C. W. Shih, K. Shiina, M. Shimomura, R. Shishikura, E. Shulga, A. Sickles, D. Silvermyr, R. A. Soltz, W. Sondheim, I. Sourikova, P. Steinberg, D. Stewart, S. Stoll, Y. Sugiyama, O. Suranyi, W. C. Tang, S. Tarafdar, E. Thorsland, T. Todoroki, L. S. Tsai, H. Tsujibata, M. Tsuruta, J. Tutterow, E. Tuttle, B. Ujvari, E. N. Umaka, M. Vandenbroucke, J. Vasquez, J. Velkovska, V. Verkest, A. Vijayakumar, X. Wang, Y. Wang, Z. Wang, I. S. Ward, M. Watanabe, J. Webb, A. Wehe, A. Wils, V. Wolfe, C. Woody, W. Xie, Y. Yamaguchi, Z. Ye, K. Yip, Z. You, G. Young, C. J. Yu, X. Yu, X. Yu, W. A. Zajc, V. Zakharov, J. Zhang, C. Zimmerli
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  • Peking University

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports measurements of the transverse energy per unit pseudorapidity (dET/dη) produced in Au+Au collisions at sNN = 200 GeV, performed with the sPHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The results cover the pseudorapidity range |η| < 1.1 and constitute the first such measurement performed using a hadronic calorimeter at RHIC. Measurements of dET/dη are presented for a range of centrality intervals and the average dET/dη as a function of the number of participating nucleons, Npart, is compared to a variety of Monte Carlo heavy-ion event generators. The results are in agreement with previous measurements at RHIC, and feature an improved granularity in η and improved precision in low-Npart events.

Original languageEnglish
Article number024908
JournalPhysical Review C
Volume112
Issue number2
DOIs
StatePublished - Aug 21 2025

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