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

J. Adam, L. Adamczyk, J. R. Adams, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, D. M. Anderson, R. Aoyama, A. Aparin, D. Arkhipkin, E. C. Aschenauer, M. U. Ashraf, F. Atetalla, A. Attri, G. S. Averichev, V. Bairathi, K. Barish, A. J. BassillA. 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, D. Cebra, I. Chakaberia, P. Chaloupka, B. K. Chan, F. H. Chang, Z. Chang, N. Chankova-Bunzarova, A. Chatterjee, S. Chattopadhyay, J. H. Chen, X. Chen, J. Cheng, Michael G. Cherney, W. Christie, G. Contin, H. J. Crawford, M. Csanad, S. Das, T. G. Dedovich, I. M. Deppner, A. A. Derevschikov, L. Didenko, C. Dilks, X. Dong, J. L. Drachenberg, J. C. Dunlop, T. Edmonds, 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, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C. E. Flores, L. Fulek, C. A. Gagliardi, T. Galatyuk, F. Geurts, A. Gibson, L. Greiner, 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, Y. Hong, S. Horvat, B. Huang, H. Z. Huang, S. L. Huang, T. Huang, X. Huang, T. J. Humanic, P. Huo, G. Igo, W. W. Jacobs, A. Jentsch, J. Jia, K. Jiang, S. Jowzaee, X. Ju, E. G. Judd, S. Kabana, S. Kagamaster, D. Kalinkin, K. Kang, D. Kapukchyan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, M. Kelsey, D. P. Kikoła, C. Kim, T. A. Kinghorn, I. Kisel, A. Kisiel, M. Kocan, L. Kochenda, L. K. Kosarzewski, A. F. Kraishan, L. Kramarik, L. Krauth, P. Kravtsov, K. Krueger, N. Kulathunga Mudiyanselage, L. Kumar, R. Kunnawalkam Elayavalli, J. Kvapil, J. H. Kwasizur, R. Lacey, J. M. Landgraf, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, C. Li, W. Li, W. Li, X. Li, Y. Li, Y. Liang, R. Licenik, J. Lidrych, T. Lin, A. Lipiec, M. A. Lisa, F. Liu, H. Liu, P. Liu, P. Liu, X. Liu, Y. Liu, Z. Liu, T. Ljubicic, W. J. Llope, M. Lomnitz, R. S. Longacre, S. Luo, X. Luo, G. L. Ma, L. Ma, R. Ma, Y. G. Ma, N. Magdy, R. Majka, D. Mallick, S. Margetis, C. Markert, H. S. Matis, O. Matonoha, J. A. Mazer, K. Meehan, J. C. Mei, N. G. Minaev, S. Mioduszewski, D. Mishra, B. Mohanty, M. M. Mondal, I. Mooney, Z. Moravcova, D. A. Morozov, M. K. Mustafa, Md Nasim, K. Nayak, J. M. Nelson, D. B. Nemes, M. Nie, G. Nigmatkulov, T. Niida, L. V. Nogach, T. Nonaka, 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, R. L. Pinter, J. Pluta, J. Porter, M. Posik, N. K. Pruthi, M. Przybycien, J. Putschke, A. Quintero, H. Qiu, 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, Janet E. Seger, M. Sergeeva, R. Seto, P. Seyboth, N. Shah, E. Shahaliev, P. V. Shanmuganathan, M. Shao, F. Shen, W. Q. Shen, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, S. Siejka, R. Sikora, M. Simko, J. Singh, S. Singha, D. Smirnov, N. 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, X. M. Sun, Y. Sun, Y. Sun, B. Surrow, D. N. Svirida, M. Szelezniak, P. Szymanski, A. H. Tang, Z. Tang, A. Taranenko, T. Tarnowsky, J. H. Thomas, A. R. Timmins, 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, F. Wang, G. Wang, P. Wang, Y. 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, H. Xu, N. Xu, Q. H. Xu, Y. F. Xu, Z. Xu, C. Yang, Q. Yang, S. Yang, Y. Yang, Z. Ye, Z. Ye, L. Yi, K. Yip, I. K. Yoo, H. Zbroszczyk, W. Zha, D. Zhang, J. Zhang, L. Zhang, S. Zhang, S. Zhang, X. P. Zhang, Y. Zhang, Z. Zhang, J. Zhao, C. Zhong, C. Zhou, X. Zhu, Z. Zhu, M. K. Zurek, M. Zyzak

Research output: Contribution to journalArticle

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Abstract

We report a new measurement of D0-meson production at mid-rapidity (|y|<1) 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 pT>4GeV/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.

Original languageEnglish (US)
Article number034908
JournalPhysical Review C
Volume99
Issue number3
DOIs
StatePublished - Mar 20 2019

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transverse momentum
mesons
momentum
collisions
quarks
predictions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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Adam, J., Adamczyk, L., Adams, J. R., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., ... Zyzak, M. (2019). Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV. Physical Review C, 99(3), [034908]. https://doi.org/10.1103/PhysRevC.99.034908

Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV. / Adam, J.; Adamczyk, L.; Adams, J. R.; Adkins, J. K.; Agakishiev, G.; Aggarwal, M. M.; Ahammed, Z.; Alekseev, I.; Anderson, D. M.; Aoyama, R.; Aparin, A.; Arkhipkin, D.; Aschenauer, E. C.; Ashraf, M. U.; Atetalla, F.; Attri, A.; Averichev, G. S.; Bairathi, V.; Barish, K.; Bassill, A. J.; Behera, A.; Bellwied, R.; Bhasin, A.; Bhati, A. K.; Bielcik, J.; Bielcikova, J.; Bland, L. C.; Bordyuzhin, I. G.; Brandenburg, J. D.; Brandin, A. V.; Brown, D.; Bryslawskyj, J.; Bunzarov, I.; Butterworth, J.; Caines, H.; Calderón De La Barca Sánchez, M.; Cebra, D.; Chakaberia, I.; Chaloupka, P.; Chan, B. K.; Chang, F. H.; Chang, Z.; Chankova-Bunzarova, N.; Chatterjee, A.; Chattopadhyay, S.; Chen, J. H.; Chen, X.; Cheng, J.; Cherney, Michael G.; Christie, W.; Contin, G.; Crawford, H. J.; Csanad, M.; Das, S.; Dedovich, T. G.; Deppner, I. M.; Derevschikov, A. A.; Didenko, L.; Dilks, C.; Dong, X.; Drachenberg, J. L.; Dunlop, J. C.; Edmonds, T.; Efimov, L. G.; 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, C. E.; Fulek, L.; Gagliardi, C. A.; Galatyuk, T.; Geurts, F.; Gibson, A.; Greiner, L.; Grosnick, D.; Gunarathne, D. S.; Guo, Y.; Gupta, A.; Guryn, W.; Hamad, A. I.; Hamed, A.; Harlenderova, A.; Harris, J. W.; He, L.; Heppelmann, S.; Heppelmann, S.; Herrmann, N.; Hirsch, A.; Holub, L.; Hong, Y.; Horvat, S.; Huang, B.; Huang, H. Z.; Huang, S. L.; Huang, T.; Huang, X.; Humanic, T. J.; Huo, P.; Igo, G.; Jacobs, W. W.; Jentsch, A.; Jia, J.; Jiang, K.; Jowzaee, S.; Ju, X.; Judd, E. G.; Kabana, S.; Kagamaster, S.; Kalinkin, D.; Kang, K.; Kapukchyan, D.; Kauder, K.; Ke, H. W.; Keane, D.; Kechechyan, A.; Kelsey, M.; Kikoła, D. P.; Kim, C.; Kinghorn, T. A.; Kisel, I.; Kisiel, A.; Kocan, M.; Kochenda, L.; Kosarzewski, L. K.; Kraishan, A. F.; Kramarik, L.; Krauth, L.; Kravtsov, P.; Krueger, K.; Kulathunga Mudiyanselage, N.; Kumar, L.; Kunnawalkam Elayavalli, R.; Kvapil, J.; Kwasizur, J. H.; Lacey, R.; Landgraf, J. M.; Lauret, J.; Lebedev, A.; Lednicky, R.; Lee, J. H.; Li, C.; Li, W.; Li, W.; Li, X.; Li, Y.; Liang, Y.; Licenik, R.; Lidrych, J.; Lin, T.; Lipiec, A.; Lisa, M. A.; Liu, F.; Liu, H.; Liu, P.; Liu, P.; Liu, X.; Liu, Y.; Liu, Z.; Ljubicic, T.; Llope, W. J.; Lomnitz, M.; Longacre, R. S.; Luo, S.; Luo, X.; Ma, G. L.; Ma, L.; Ma, R.; Ma, Y. G.; Magdy, N.; Majka, R.; Mallick, D.; Margetis, S.; Markert, C.; Matis, H. S.; Matonoha, O.; Mazer, J. A.; Meehan, K.; Mei, J. C.; Minaev, N. G.; Mioduszewski, S.; Mishra, D.; Mohanty, B.; Mondal, M. M.; Mooney, I.; Moravcova, Z.; Morozov, D. A.; Mustafa, M. K.; Nasim, Md; Nayak, K.; Nelson, J. M.; Nemes, D. B.; Nie, M.; Nigmatkulov, G.; Niida, T.; Nogach, L. V.; Nonaka, T.; Odyniec, G.; Ogawa, A.; Oh, K.; Oh, S.; Okorokov, V. A.; Olvitt, D.; Page, B. S.; Pak, R.; Panebratsev, Y.; Pawlik, B.; Pei, H.; Perkins, C.; Pinter, R. L.; Pluta, J.; Porter, J.; Posik, M.; Pruthi, N. K.; Przybycien, M.; Putschke, J.; Quintero, A.; Qiu, H.; Radhakrishnan, S. K.; Ramachandran, S.; Ray, R. L.; Reed, R.; Ritter, H. G.; Roberts, J. B.; Rogachevskiy, O. V.; Romero, J. L.; Ruan, L.; Rusnak, J.; Rusnakova, O.; Sahoo, N. R.; Sahu, P. K.; Salur, S.; Sandweiss, J.; Schambach, J.; Schmah, A. M.; Schmidke, W. B.; Schmitz, N.; Schweid, B. R.; Seck, F.; Seger, Janet E.; Sergeeva, M.; Seto, R.; Seyboth, P.; Shah, N.; Shahaliev, E.; Shanmuganathan, P. V.; Shao, M.; Shen, F.; Shen, W. Q.; Shi, S. S.; Shou, Q. Y.; Sichtermann, E. P.; Siejka, S.; Sikora, R.; Simko, M.; Singh, J.; Singha, S.; Smirnov, D.; Smirnov, N.; Solyst, W.; Sorensen, P.; Spinka, H. M.; Srivastava, B.; Stanislaus, T. D.S.; Stewart, D. J.; Strikhanov, M.; Stringfellow, B.; Suaide, A. A.P.; Sugiura, T.; Sumbera, M.; Summa, B.; Sun, X. M.; Sun, Y.; Sun, Y.; Surrow, B.; Svirida, D. N.; Szelezniak, M.; Szymanski, P.; Tang, A. H.; Tang, Z.; Taranenko, A.; Tarnowsky, T.; Thomas, J. H.; Timmins, A. R.; Todoroki, T.; Tokarev, M.; Tomkiel, C. A.; Trentalange, S.; Tribble, R. E.; Tribedy, P.; Tripathy, S. K.; Tsai, O. D.; Tu, B.; Ullrich, T.; Underwood, D. G.; Upsal, I.; Van Buren, G.; Vanek, J.; Vasiliev, A. N.; Vassiliev, I.; Videbæk, F.; Vokal, S.; Voloshin, S. A.; Vossen, A.; Wang, F.; Wang, G.; Wang, P.; Wang, Y.; Wang, Y.; Webb, J. C.; Wen, L.; Westfall, G. D.; Wieman, H.; Wissink, S. W.; Witt, R.; Wu, Y.; Xiao, Z. G.; Xie, G.; Xie, W.; Xu, H.; Xu, N.; Xu, Q. H.; Xu, Y. F.; Xu, Z.; Yang, C.; Yang, Q.; Yang, S.; Yang, Y.; Ye, Z.; Ye, Z.; Yi, L.; Yip, K.; Yoo, I. K.; Zbroszczyk, H.; Zha, W.; Zhang, D.; Zhang, J.; Zhang, L.; Zhang, S.; Zhang, S.; Zhang, X. P.; Zhang, Y.; Zhang, Z.; Zhao, J.; Zhong, C.; Zhou, C.; Zhu, X.; Zhu, Z.; Zurek, M. K.; Zyzak, M.

In: Physical Review C, Vol. 99, No. 3, 034908, 20.03.2019.

Research output: Contribution to journalArticle

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, Calderón De La Barca Sánchez, 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, MG, 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, Greiner, L, Grosnick, D, Gunarathne, DS, Guo, Y, Gupta, A, Guryn, W, Hamad, AI, Hamed, A, Harlenderova, A, Harris, JW, He, L, Heppelmann, S, Heppelmann, S, Herrmann, N, Hirsch, A, Holub, L, Hong, Y, Horvat, S, Huang, B, Huang, HZ, Huang, SL, Huang, T, Huang, X, Humanic, TJ, Huo, P, Igo, G, Jacobs, WW, Jentsch, A, Jia, J, Jiang, K, Jowzaee, S, Ju, X, Judd, EG, Kabana, S, Kagamaster, S, Kalinkin, D, Kang, K, Kapukchyan, D, Kauder, K, Ke, HW, Keane, D, Kechechyan, A, Kelsey, M, Kikoła, DP, Kim, C, Kinghorn, TA, Kisel, I, Kisiel, A, Kocan, M, Kochenda, L, Kosarzewski, LK, Kraishan, AF, Kramarik, L, Krauth, L, Kravtsov, P, Krueger, K, Kulathunga Mudiyanselage, N, Kumar, L, Kunnawalkam Elayavalli, R, Kvapil, J, Kwasizur, JH, Lacey, R, Landgraf, JM, Lauret, J, Lebedev, A, Lednicky, R, Lee, JH, Li, C, Li, W, Li, W, Li, X, Li, Y, Liang, Y, Licenik, R, Lidrych, J, Lin, T, Lipiec, A, Lisa, MA, Liu, F, Liu, H, Liu, P, Liu, P, Liu, X, Liu, Y, Liu, Z, Ljubicic, T, Llope, WJ, Lomnitz, M, Longacre, RS, Luo, S, Luo, X, Ma, GL, Ma, L, Ma, R, Ma, YG, Magdy, N, Majka, R, Mallick, D, Margetis, S, Markert, C, Matis, HS, Matonoha, O, Mazer, JA, Meehan, K, Mei, JC, Minaev, NG, Mioduszewski, S, Mishra, D, Mohanty, B, Mondal, MM, Mooney, I, Moravcova, Z, Morozov, DA, Mustafa, MK, Nasim, M, Nayak, K, Nelson, JM, Nemes, DB, Nie, M, Nigmatkulov, G, Niida, T, Nogach, LV, Nonaka, T, Odyniec, G, Ogawa, A, Oh, K, Oh, S, Okorokov, VA, Olvitt, D, Page, BS, Pak, R, Panebratsev, Y, Pawlik, B, Pei, H, Perkins, C, Pinter, RL, Pluta, J, Porter, J, Posik, M, Pruthi, NK, Przybycien, M, Putschke, J, Quintero, A, Qiu, H, Radhakrishnan, SK, Ramachandran, S, Ray, RL, Reed, R, Ritter, HG, Roberts, JB, Rogachevskiy, OV, Romero, JL, Ruan, L, Rusnak, J, Rusnakova, O, Sahoo, NR, Sahu, PK, Salur, S, Sandweiss, J, Schambach, J, Schmah, AM, Schmidke, WB, Schmitz, N, Schweid, BR, Seck, F, Seger, JE, Sergeeva, M, Seto, R, Seyboth, P, Shah, N, Shahaliev, E, Shanmuganathan, PV, Shao, M, Shen, F, Shen, WQ, Shi, SS, Shou, QY, Sichtermann, EP, Siejka, S, Sikora, R, Simko, M, Singh, J, Singha, S, Smirnov, D, Smirnov, N, Solyst, W, Sorensen, P, Spinka, HM, Srivastava, B, Stanislaus, TDS, Stewart, DJ, Strikhanov, M, Stringfellow, B, Suaide, AAP, Sugiura, T, Sumbera, M, Summa, B, Sun, XM, Sun, Y, Sun, Y, Surrow, B, Svirida, DN, Szelezniak, M, Szymanski, P, Tang, AH, Tang, Z, Taranenko, A, Tarnowsky, T, Thomas, JH, Timmins, AR, Todoroki, T, Tokarev, M, Tomkiel, CA, Trentalange, S, Tribble, RE, Tribedy, P, Tripathy, SK, Tsai, OD, Tu, B, Ullrich, T, Underwood, DG, Upsal, I, Van Buren, G, Vanek, J, Vasiliev, AN, Vassiliev, I, Videbæk, F, Vokal, S, Voloshin, SA, Vossen, A, Wang, F, Wang, G, Wang, P, Wang, Y, Wang, Y, Webb, JC, Wen, L, Westfall, GD, Wieman, H, Wissink, SW, Witt, R, Wu, Y, Xiao, ZG, Xie, G, Xie, W, Xu, H, Xu, N, Xu, QH, Xu, YF, Xu, Z, Yang, C, Yang, Q, Yang, S, Yang, Y, Ye, Z, Ye, Z, Yi, L, Yip, K, Yoo, IK, Zbroszczyk, H, Zha, W, Zhang, D, Zhang, J, Zhang, L, Zhang, S, Zhang, S, Zhang, XP, Zhang, Y, Zhang, Z, Zhao, J, Zhong, C, Zhou, C, Zhu, X, Zhu, Z, Zurek, MK & Zyzak, M 2019, 'Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV', Physical Review C, vol. 99, no. 3, 034908. https://doi.org/10.1103/PhysRevC.99.034908
Adam, J. ; Adamczyk, L. ; Adams, J. R. ; Adkins, J. K. ; Agakishiev, G. ; Aggarwal, M. M. ; Ahammed, Z. ; Alekseev, I. ; Anderson, D. M. ; Aoyama, R. ; Aparin, A. ; Arkhipkin, D. ; Aschenauer, E. C. ; Ashraf, M. U. ; Atetalla, F. ; Attri, A. ; Averichev, G. S. ; Bairathi, V. ; Barish, K. ; Bassill, A. J. ; Behera, A. ; Bellwied, R. ; Bhasin, A. ; Bhati, A. K. ; Bielcik, J. ; Bielcikova, J. ; Bland, L. C. ; Bordyuzhin, I. G. ; Brandenburg, J. D. ; Brandin, A. V. ; Brown, D. ; Bryslawskyj, J. ; Bunzarov, I. ; Butterworth, J. ; Caines, H. ; Calderón De La Barca Sánchez, M. ; Cebra, D. ; Chakaberia, I. ; Chaloupka, P. ; Chan, B. K. ; Chang, F. H. ; Chang, Z. ; Chankova-Bunzarova, N. ; Chatterjee, A. ; Chattopadhyay, S. ; Chen, J. H. ; Chen, X. ; Cheng, J. ; Cherney, Michael G. ; Christie, W. ; Contin, G. ; Crawford, H. J. ; Csanad, M. ; Das, S. ; Dedovich, T. G. ; Deppner, I. M. ; Derevschikov, A. A. ; Didenko, L. ; Dilks, C. ; Dong, X. ; Drachenberg, J. L. ; Dunlop, J. C. ; Edmonds, T. ; Efimov, L. G. ; 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, C. E. ; Fulek, L. ; Gagliardi, C. A. ; Galatyuk, T. ; Geurts, F. ; Gibson, A. ; Greiner, L. ; Grosnick, D. ; Gunarathne, D. S. ; Guo, Y. ; Gupta, A. ; Guryn, W. ; Hamad, A. I. ; Hamed, A. ; Harlenderova, A. ; Harris, J. W. ; He, L. ; Heppelmann, S. ; Heppelmann, S. ; Herrmann, N. ; Hirsch, A. ; Holub, L. ; Hong, Y. ; Horvat, S. ; Huang, B. ; Huang, H. Z. ; Huang, S. L. ; Huang, T. ; Huang, X. ; Humanic, T. J. ; Huo, P. ; Igo, G. ; Jacobs, W. W. ; Jentsch, A. ; Jia, J. ; Jiang, K. ; Jowzaee, S. ; Ju, X. ; Judd, E. G. ; Kabana, S. ; Kagamaster, S. ; Kalinkin, D. ; Kang, K. ; Kapukchyan, D. ; Kauder, K. ; Ke, H. W. ; Keane, D. ; Kechechyan, A. ; Kelsey, M. ; Kikoła, D. P. ; Kim, C. ; Kinghorn, T. A. ; Kisel, I. ; Kisiel, A. ; Kocan, M. ; Kochenda, L. ; Kosarzewski, L. K. ; Kraishan, A. F. ; Kramarik, L. ; Krauth, L. ; Kravtsov, P. ; Krueger, K. ; Kulathunga Mudiyanselage, N. ; Kumar, L. ; Kunnawalkam Elayavalli, R. ; Kvapil, J. ; Kwasizur, J. H. ; Lacey, R. ; Landgraf, J. M. ; Lauret, J. ; Lebedev, A. ; Lednicky, R. ; Lee, J. H. ; Li, C. ; Li, W. ; Li, W. ; Li, X. ; Li, Y. ; Liang, Y. ; Licenik, R. ; Lidrych, J. ; Lin, T. ; Lipiec, A. ; Lisa, M. A. ; Liu, F. ; Liu, H. ; Liu, P. ; Liu, P. ; Liu, X. ; Liu, Y. ; Liu, Z. ; Ljubicic, T. ; Llope, W. J. ; Lomnitz, M. ; Longacre, R. S. ; Luo, S. ; Luo, X. ; Ma, G. L. ; Ma, L. ; Ma, R. ; Ma, Y. G. ; Magdy, N. ; Majka, R. ; Mallick, D. ; Margetis, S. ; Markert, C. ; Matis, H. S. ; Matonoha, O. ; Mazer, J. A. ; Meehan, K. ; Mei, J. C. ; Minaev, N. G. ; Mioduszewski, S. ; Mishra, D. ; Mohanty, B. ; Mondal, M. M. ; Mooney, I. ; Moravcova, Z. ; Morozov, D. A. ; Mustafa, M. K. ; Nasim, Md ; Nayak, K. ; Nelson, J. M. ; Nemes, D. B. ; Nie, M. ; Nigmatkulov, G. ; Niida, T. ; Nogach, L. V. ; Nonaka, T. ; Odyniec, G. ; Ogawa, A. ; Oh, K. ; Oh, S. ; Okorokov, V. A. ; Olvitt, D. ; Page, B. S. ; Pak, R. ; Panebratsev, Y. ; Pawlik, B. ; Pei, H. ; Perkins, C. ; Pinter, R. L. ; Pluta, J. ; Porter, J. ; Posik, M. ; Pruthi, N. K. ; Przybycien, M. ; Putschke, J. ; Quintero, A. ; Qiu, H. ; Radhakrishnan, S. K. ; Ramachandran, S. ; Ray, R. L. ; Reed, R. ; Ritter, H. G. ; Roberts, J. B. ; Rogachevskiy, O. V. ; Romero, J. L. ; Ruan, L. ; Rusnak, J. ; Rusnakova, O. ; Sahoo, N. R. ; Sahu, P. K. ; Salur, S. ; Sandweiss, J. ; Schambach, J. ; Schmah, A. M. ; Schmidke, W. B. ; Schmitz, N. ; Schweid, B. R. ; Seck, F. ; Seger, Janet E. ; Sergeeva, M. ; Seto, R. ; Seyboth, P. ; Shah, N. ; Shahaliev, E. ; Shanmuganathan, P. V. ; Shao, M. ; Shen, F. ; Shen, W. Q. ; Shi, S. S. ; Shou, Q. Y. ; Sichtermann, E. P. ; Siejka, S. ; Sikora, R. ; Simko, M. ; Singh, J. ; Singha, S. ; Smirnov, D. ; Smirnov, N. ; Solyst, W. ; Sorensen, P. ; Spinka, H. M. ; Srivastava, B. ; Stanislaus, T. D.S. ; Stewart, D. J. ; Strikhanov, M. ; Stringfellow, B. ; Suaide, A. A.P. ; Sugiura, T. ; Sumbera, M. ; Summa, B. ; Sun, X. M. ; Sun, Y. ; Sun, Y. ; Surrow, B. ; Svirida, D. N. ; Szelezniak, M. ; Szymanski, P. ; Tang, A. H. ; Tang, Z. ; Taranenko, A. ; Tarnowsky, T. ; Thomas, J. H. ; Timmins, A. R. ; Todoroki, T. ; Tokarev, M. ; Tomkiel, C. A. ; Trentalange, S. ; Tribble, R. E. ; Tribedy, P. ; Tripathy, S. K. ; Tsai, O. D. ; Tu, B. ; Ullrich, T. ; Underwood, D. G. ; Upsal, I. ; Van Buren, G. ; Vanek, J. ; Vasiliev, A. N. ; Vassiliev, I. ; Videbæk, F. ; Vokal, S. ; Voloshin, S. A. ; Vossen, A. ; Wang, F. ; Wang, G. ; Wang, P. ; Wang, Y. ; Wang, Y. ; Webb, J. C. ; Wen, L. ; Westfall, G. D. ; Wieman, H. ; Wissink, S. W. ; Witt, R. ; Wu, Y. ; Xiao, Z. G. ; Xie, G. ; Xie, W. ; Xu, H. ; Xu, N. ; Xu, Q. H. ; Xu, Y. F. ; Xu, Z. ; Yang, C. ; Yang, Q. ; Yang, S. ; Yang, Y. ; Ye, Z. ; Ye, Z. ; Yi, L. ; Yip, K. ; Yoo, I. K. ; Zbroszczyk, H. ; Zha, W. ; Zhang, D. ; Zhang, J. ; Zhang, L. ; Zhang, S. ; Zhang, S. ; Zhang, X. P. ; Zhang, Y. ; Zhang, Z. ; Zhao, J. ; Zhong, C. ; Zhou, C. ; Zhu, X. ; Zhu, Z. ; Zurek, M. K. ; Zyzak, M. / Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV. In: Physical Review C. 2019 ; Vol. 99, No. 3.
@article{a6fc9a32f0854b2aa196d94a9535afc0,
title = "Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV",
abstract = "We report a new measurement of D0-meson production at mid-rapidity (|y|<1) 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 pT>4GeV/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.",
author = "J. Adam and L. Adamczyk and Adams, {J. R.} and Adkins, {J. K.} and G. Agakishiev and Aggarwal, {M. M.} and Z. Ahammed and I. Alekseev and Anderson, {D. M.} and R. Aoyama and A. Aparin and D. Arkhipkin and Aschenauer, {E. C.} and Ashraf, {M. U.} and F. Atetalla and A. Attri and Averichev, {G. S.} and V. Bairathi and K. Barish and Bassill, {A. J.} and A. Behera and R. Bellwied and A. Bhasin and Bhati, {A. K.} and J. Bielcik and J. Bielcikova and Bland, {L. C.} and Bordyuzhin, {I. G.} and Brandenburg, {J. D.} and Brandin, {A. V.} and D. Brown and J. Bryslawskyj and I. Bunzarov and J. Butterworth and H. Caines and {Calder{\'o}n De La Barca S{\'a}nchez}, M. and D. Cebra and I. Chakaberia and P. Chaloupka and Chan, {B. K.} and Chang, {F. H.} and Z. Chang and N. Chankova-Bunzarova and A. Chatterjee and S. Chattopadhyay and Chen, {J. H.} and X. Chen and J. Cheng and Cherney, {Michael G.} and W. Christie and G. Contin and Crawford, {H. J.} and M. Csanad and S. Das and Dedovich, {T. G.} and Deppner, {I. M.} and Derevschikov, {A. A.} and L. Didenko and C. Dilks and X. Dong and Drachenberg, {J. L.} and Dunlop, {J. C.} and T. Edmonds and Efimov, {L. G.} and N. Elsey and J. Engelage and G. Eppley and R. Esha and S. Esumi and O. Evdokimov and J. Ewigleben and O. Eyser and R. Fatemi and S. Fazio and P. Federic and J. Fedorisin and P. Filip and E. Finch and Y. Fisyak and Flores, {C. E.} and L. Fulek and Gagliardi, {C. A.} and T. Galatyuk and F. Geurts and A. Gibson and L. Greiner and D. Grosnick and Gunarathne, {D. S.} and Y. Guo and A. Gupta and W. Guryn and Hamad, {A. I.} and A. Hamed and A. Harlenderova and Harris, {J. W.} and L. He and S. Heppelmann and S. Heppelmann and N. Herrmann and A. Hirsch and L. Holub and Y. Hong and S. Horvat and B. Huang and Huang, {H. Z.} and Huang, {S. L.} and T. Huang and X. Huang and Humanic, {T. J.} and P. Huo and G. Igo and Jacobs, {W. W.} and A. Jentsch and J. Jia and K. Jiang and S. Jowzaee and X. Ju and Judd, {E. G.} and S. Kabana and S. Kagamaster and D. Kalinkin and K. Kang and D. Kapukchyan and K. Kauder and Ke, {H. W.} and D. Keane and A. Kechechyan and M. Kelsey and Kikoła, {D. P.} and C. Kim and Kinghorn, {T. A.} and I. Kisel and A. Kisiel and M. Kocan and L. Kochenda and Kosarzewski, {L. K.} and Kraishan, {A. F.} and L. Kramarik and L. Krauth and P. Kravtsov and K. Krueger and {Kulathunga Mudiyanselage}, N. and L. Kumar and {Kunnawalkam Elayavalli}, R. and J. Kvapil and Kwasizur, {J. H.} and R. Lacey and Landgraf, {J. M.} and J. Lauret and A. Lebedev and R. Lednicky and Lee, {J. H.} and C. Li and W. Li and W. Li and X. Li and Y. Li and Y. Liang and R. Licenik and J. Lidrych and T. Lin and A. Lipiec and Lisa, {M. A.} and F. Liu and H. Liu and P. Liu and P. Liu and X. Liu and Y. Liu and Z. Liu and T. Ljubicic and Llope, {W. J.} and M. Lomnitz and Longacre, {R. S.} and S. Luo and X. Luo and Ma, {G. L.} and L. Ma and R. Ma and Ma, {Y. G.} and N. Magdy and R. Majka and D. Mallick and S. Margetis and C. Markert and Matis, {H. S.} and O. Matonoha and Mazer, {J. A.} and K. Meehan and Mei, {J. C.} and Minaev, {N. G.} and S. Mioduszewski and D. Mishra and B. Mohanty and Mondal, {M. M.} and I. Mooney and Z. Moravcova and Morozov, {D. A.} and Mustafa, {M. K.} and Md Nasim and K. Nayak and Nelson, {J. M.} and Nemes, {D. B.} and M. Nie and G. Nigmatkulov and T. Niida and Nogach, {L. V.} and T. Nonaka and G. Odyniec and A. Ogawa and K. Oh and S. Oh and Okorokov, {V. A.} and D. Olvitt and Page, {B. S.} and R. Pak and Y. Panebratsev and B. Pawlik and H. Pei and C. Perkins and Pinter, {R. L.} and J. Pluta and J. Porter and M. Posik and Pruthi, {N. K.} and M. Przybycien and J. Putschke and A. Quintero and H. Qiu and Radhakrishnan, {S. K.} and S. Ramachandran and Ray, {R. L.} and R. Reed and Ritter, {H. G.} and Roberts, {J. B.} and Rogachevskiy, {O. V.} and Romero, {J. L.} and L. Ruan and J. Rusnak and O. Rusnakova and Sahoo, {N. R.} and Sahu, {P. K.} and S. Salur and J. Sandweiss and J. Schambach and Schmah, {A. M.} and Schmidke, {W. B.} and N. Schmitz and Schweid, {B. R.} and F. Seck and Seger, {Janet E.} and M. Sergeeva and R. Seto and P. Seyboth and N. Shah and E. Shahaliev and Shanmuganathan, {P. V.} and M. Shao and F. Shen and Shen, {W. Q.} and Shi, {S. S.} and Shou, {Q. Y.} and Sichtermann, {E. P.} and S. Siejka and R. Sikora and M. Simko and J. Singh and S. Singha and D. Smirnov and N. Smirnov and W. Solyst and P. Sorensen and Spinka, {H. M.} and B. Srivastava and Stanislaus, {T. D.S.} and Stewart, {D. J.} and M. Strikhanov and B. Stringfellow and Suaide, {A. A.P.} and T. Sugiura and M. Sumbera and B. Summa and Sun, {X. M.} and Y. Sun and Y. Sun and B. Surrow and Svirida, {D. N.} and M. Szelezniak and P. Szymanski and Tang, {A. H.} and Z. Tang and A. Taranenko and T. Tarnowsky and Thomas, {J. H.} and Timmins, {A. R.} and T. Todoroki and M. Tokarev and Tomkiel, {C. A.} and S. Trentalange and Tribble, {R. E.} and P. Tribedy and Tripathy, {S. K.} and Tsai, {O. D.} and B. Tu and T. Ullrich and Underwood, {D. G.} and I. Upsal and {Van Buren}, G. and J. Vanek and Vasiliev, {A. N.} and I. Vassiliev and F. Videb{\ae}k and S. Vokal and Voloshin, {S. A.} and A. Vossen and F. Wang and G. Wang and P. Wang and Y. Wang and Y. Wang and Webb, {J. C.} and L. Wen and Westfall, {G. D.} and H. Wieman and Wissink, {S. W.} and R. Witt and Y. Wu and Xiao, {Z. G.} and G. Xie and W. Xie and H. Xu and N. Xu and Xu, {Q. H.} and Xu, {Y. F.} and Z. Xu and C. Yang and Q. Yang and S. Yang and Y. Yang and Z. Ye and Z. Ye and L. Yi and K. Yip and Yoo, {I. K.} and H. Zbroszczyk and W. Zha and D. Zhang and J. Zhang and L. Zhang and S. Zhang and S. Zhang and Zhang, {X. P.} and Y. Zhang and Z. Zhang and J. Zhao and C. Zhong and C. Zhou and X. Zhu and Z. Zhu and Zurek, {M. K.} and M. Zyzak",
year = "2019",
month = "3",
day = "20",
doi = "10.1103/PhysRevC.99.034908",
language = "English (US)",
volume = "99",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "3",

}

TY - JOUR

T1 - Centrality and transverse momentum dependence of D0 -meson production at mid-rapidity in Au + Au collisions at s NN =200 GeV

AU - Adam, J.

AU - Adamczyk, L.

AU - Adams, J. R.

AU - Adkins, J. K.

AU - Agakishiev, G.

AU - Aggarwal, M. M.

AU - Ahammed, Z.

AU - Alekseev, I.

AU - Anderson, D. M.

AU - Aoyama, R.

AU - Aparin, A.

AU - Arkhipkin, D.

AU - Aschenauer, E. C.

AU - Ashraf, M. U.

AU - Atetalla, F.

AU - Attri, A.

AU - Averichev, G. S.

AU - Bairathi, V.

AU - Barish, K.

AU - Bassill, A. J.

AU - Behera, A.

AU - Bellwied, R.

AU - Bhasin, A.

AU - Bhati, A. K.

AU - Bielcik, J.

AU - Bielcikova, J.

AU - Bland, L. C.

AU - Bordyuzhin, I. G.

AU - Brandenburg, J. D.

AU - Brandin, A. V.

AU - Brown, D.

AU - Bryslawskyj, J.

AU - Bunzarov, I.

AU - Butterworth, J.

AU - Caines, H.

AU - Calderón De La Barca Sánchez, M.

AU - Cebra, D.

AU - Chakaberia, I.

AU - Chaloupka, P.

AU - Chan, B. K.

AU - Chang, F. H.

AU - Chang, Z.

AU - Chankova-Bunzarova, N.

AU - Chatterjee, A.

AU - Chattopadhyay, S.

AU - Chen, J. H.

AU - Chen, X.

AU - Cheng, J.

AU - Cherney, Michael G.

AU - Christie, W.

AU - Contin, G.

AU - Crawford, H. J.

AU - Csanad, M.

AU - Das, S.

AU - Dedovich, T. G.

AU - Deppner, I. M.

AU - Derevschikov, A. A.

AU - Didenko, L.

AU - Dilks, C.

AU - Dong, X.

AU - Drachenberg, J. L.

AU - Dunlop, J. C.

AU - Edmonds, T.

AU - Efimov, L. G.

AU - Elsey, N.

AU - Engelage, J.

AU - Eppley, G.

AU - Esha, R.

AU - Esumi, S.

AU - Evdokimov, O.

AU - Ewigleben, J.

AU - Eyser, O.

AU - Fatemi, R.

AU - Fazio, S.

AU - Federic, P.

AU - Fedorisin, J.

AU - Filip, P.

AU - Finch, E.

AU - Fisyak, Y.

AU - Flores, C. E.

AU - Fulek, L.

AU - Gagliardi, C. A.

AU - Galatyuk, T.

AU - Geurts, F.

AU - Gibson, A.

AU - Greiner, L.

AU - Grosnick, D.

AU - Gunarathne, D. S.

AU - Guo, Y.

AU - Gupta, A.

AU - Guryn, W.

AU - Hamad, A. I.

AU - Hamed, A.

AU - Harlenderova, A.

AU - Harris, J. W.

AU - He, L.

AU - Heppelmann, S.

AU - Heppelmann, S.

AU - Herrmann, N.

AU - Hirsch, A.

AU - Holub, L.

AU - Hong, Y.

AU - Horvat, S.

AU - Huang, B.

AU - Huang, H. Z.

AU - Huang, S. L.

AU - Huang, T.

AU - Huang, X.

AU - Humanic, T. J.

AU - Huo, P.

AU - Igo, G.

AU - Jacobs, W. W.

AU - Jentsch, A.

AU - Jia, J.

AU - Jiang, K.

AU - Jowzaee, S.

AU - Ju, X.

AU - Judd, E. G.

AU - Kabana, S.

AU - Kagamaster, S.

AU - Kalinkin, D.

AU - Kang, K.

AU - Kapukchyan, D.

AU - Kauder, K.

AU - Ke, H. W.

AU - Keane, D.

AU - Kechechyan, A.

AU - Kelsey, M.

AU - Kikoła, D. P.

AU - Kim, C.

AU - Kinghorn, T. A.

AU - Kisel, I.

AU - Kisiel, A.

AU - Kocan, M.

AU - Kochenda, L.

AU - Kosarzewski, L. K.

AU - Kraishan, A. F.

AU - Kramarik, L.

AU - Krauth, L.

AU - Kravtsov, P.

AU - Krueger, K.

AU - Kulathunga Mudiyanselage, N.

AU - Kumar, L.

AU - Kunnawalkam Elayavalli, R.

AU - Kvapil, J.

AU - Kwasizur, J. H.

AU - Lacey, R.

AU - Landgraf, J. M.

AU - Lauret, J.

AU - Lebedev, A.

AU - Lednicky, R.

AU - Lee, J. H.

AU - Li, C.

AU - Li, W.

AU - Li, W.

AU - Li, X.

AU - Li, Y.

AU - Liang, Y.

AU - Licenik, R.

AU - Lidrych, J.

AU - Lin, T.

AU - Lipiec, A.

AU - Lisa, M. A.

AU - Liu, F.

AU - Liu, H.

AU - Liu, P.

AU - Liu, P.

AU - Liu, X.

AU - Liu, Y.

AU - Liu, Z.

AU - Ljubicic, T.

AU - Llope, W. J.

AU - Lomnitz, M.

AU - Longacre, R. S.

AU - Luo, S.

AU - Luo, X.

AU - Ma, G. L.

AU - Ma, L.

AU - Ma, R.

AU - Ma, Y. G.

AU - Magdy, N.

AU - Majka, R.

AU - Mallick, D.

AU - Margetis, S.

AU - Markert, C.

AU - Matis, H. S.

AU - Matonoha, O.

AU - Mazer, J. A.

AU - Meehan, K.

AU - Mei, J. C.

AU - Minaev, N. G.

AU - Mioduszewski, S.

AU - Mishra, D.

AU - Mohanty, B.

AU - Mondal, M. M.

AU - Mooney, I.

AU - Moravcova, Z.

AU - Morozov, D. A.

AU - Mustafa, M. K.

AU - Nasim, Md

AU - Nayak, K.

AU - Nelson, J. M.

AU - Nemes, D. B.

AU - Nie, M.

AU - Nigmatkulov, G.

AU - Niida, T.

AU - Nogach, L. V.

AU - Nonaka, T.

AU - Odyniec, G.

AU - Ogawa, A.

AU - Oh, K.

AU - Oh, S.

AU - Okorokov, V. A.

AU - Olvitt, D.

AU - Page, B. S.

AU - Pak, R.

AU - Panebratsev, Y.

AU - Pawlik, B.

AU - Pei, H.

AU - Perkins, C.

AU - Pinter, R. L.

AU - Pluta, J.

AU - Porter, J.

AU - Posik, M.

AU - Pruthi, N. K.

AU - Przybycien, M.

AU - Putschke, J.

AU - Quintero, A.

AU - Qiu, H.

AU - Radhakrishnan, S. K.

AU - Ramachandran, S.

AU - Ray, R. L.

AU - Reed, R.

AU - Ritter, H. G.

AU - Roberts, J. B.

AU - Rogachevskiy, O. V.

AU - Romero, J. L.

AU - Ruan, L.

AU - Rusnak, J.

AU - Rusnakova, O.

AU - Sahoo, N. R.

AU - Sahu, P. K.

AU - Salur, S.

AU - Sandweiss, J.

AU - Schambach, J.

AU - Schmah, A. M.

AU - Schmidke, W. B.

AU - Schmitz, N.

AU - Schweid, B. R.

AU - Seck, F.

AU - Seger, Janet E.

AU - Sergeeva, M.

AU - Seto, R.

AU - Seyboth, P.

AU - Shah, N.

AU - Shahaliev, E.

AU - Shanmuganathan, P. V.

AU - Shao, M.

AU - Shen, F.

AU - Shen, W. Q.

AU - Shi, S. S.

AU - Shou, Q. Y.

AU - Sichtermann, E. P.

AU - Siejka, S.

AU - Sikora, R.

AU - Simko, M.

AU - Singh, J.

AU - Singha, S.

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PY - 2019/3/20

Y1 - 2019/3/20

N2 - We report a new measurement of D0-meson production at mid-rapidity (|y|<1) 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 pT>4GeV/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.

AB - We report a new measurement of D0-meson production at mid-rapidity (|y|<1) 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 pT>4GeV/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.

UR - http://www.scopus.com/inward/record.url?scp=85063283838&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85063283838&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.99.034908

DO - 10.1103/PhysRevC.99.034908

M3 - Article

AN - SCOPUS:85063283838

VL - 99

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 3

M1 - 034908

ER -