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  • Measurement of electrons from open heavy-flavor hadron decays in Au+Au collisions at s NN $$ \sqrt{s_{\textrm{NN}}} $$ = 200 GeV with the STAR detector
    The STAR collaboration; B. E. Aboona; I. Aggarwal; D. M. Anderson; K. Barish; A. Bhasin; S. Bhatta; H. Caines; D. Cebra; A. Chatterjee; J. Cheng; Y. Cheng; S. Choudhury; W. Christie; H. J. Crawford; J. L. Drachenberg; J. Engelage; G. Eppley; O. Eyser; S. Fazio; Y. Fisyak; F. A. Flor; C. A. Gagliardi; A. Gibson; A. Gupta; W. Guryn; Y. He; N. Herrmann; Y. Hu; T. J. Humanic; Y. Ji; E. G. Judd; D. Kalinkin; M. Kelsey; D. P. Kikoła; L. K. Kosarzewski; J. M. Landgraf; A. Lebedev; N. Lewis; C. Li; W. Li; X. Li; Y. Li; R. Licenik; T. Lin; F. Liu; T. Lu; L. Ma; Y. G. Ma; N. Magdy; J. A. Mazer; J. D. Nam; M. Nasim; T. Niida; S. Oh; J. Pan; B. Pawlik; V. Prozorova; R. Reed; M. A. Rosales Aguilar; D. Roy; P. Roy Chowdhury; S. Salur; N. Shah; P. V. Shanmuganathan; M. Sharma; S. R. Sharma; A. I. Sheikh; D. Y. Shen; S. Singha; P. Sinha; M. J. Skoby; Y. Song; M. Stefaniak; Y. Su; C. Sun; A. R. Timmins; S. Trentalange; C. Y. Tsang; G. Van Buren; J. Vanek; S. A. Voloshin; J. S. Wang; G. D. Westfall; R. Witt; Y. Xu; C. Yang; S. Yang; Y. Yang; Z. Ye; K. Yip; Y. Yu; H. Zbroszczyk; D. Zhang; Y. Zhang; Y. Zhang; Z. J. Zhang; J. Zhao; C. Zhou; X. Zhu

    The journal of high energy physics, 06/2023, Letnik: 2023, Številka: 6
    Journal Article

    Abstract We report a new measurement of the production of electrons from open heavy-flavor hadron decays (HFEs) at mid-rapidity (|y| < 0.7) in Au+Au collisions at s NN $$ \sqrt{s_{\textrm{NN}}} $$ = 200 GeV. Invariant yields of HFEs are measured for the transverse momentum range of 3.5 < p T < 9 GeV/c in various configurations of the collision geometry. The HFE yields in head-on Au+Au collisions are suppressed by approximately a factor of 2 compared to that in p + p collisions scaled by the average number of binary collisions, indicating strong interactions between heavy quarks and the hot and dense medium created in heavy-ion collisions. Comparison of these results with models provides additional tests of theoretical calculations of heavy quark energy loss in the quark-gluon plasma.

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