Measurement of inclusive electrons from open heavy-flavor hadron decays in p + p collisions at √s=200  GeV with the STAR detector

We report a new measurement of the production cross section for inclusive electrons from open heavy-flavor hadron decays as a function of transverse momentum (pT) at midrapidity (|y|<0.7) in p+p collisions at √s=200 GeV. The result is presented for 2.5<pT<10 GeV/c with an improved precision...

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Hauptverfasser: Abdallah, Mohamed Samy (VerfasserIn) , Deppner, Ingo Martin (VerfasserIn) , Herrmann, Norbert (VerfasserIn) , Söhngen, Yannick (VerfasserIn) , Weidenkaff, Philipp (VerfasserIn)
Körperschaft: STAR Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 23 February 2022
In: Physical review
Year: 2022, Jahrgang: 105, Heft: 3, Pages: 1-12
ISSN:2470-0029
DOI:10.1103/PhysRevD.105.032007
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.105.032007
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.105.032007
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Verfasserangaben:STAR Collaboration

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520 |a We report a new measurement of the production cross section for inclusive electrons from open heavy-flavor hadron decays as a function of transverse momentum (pT) at midrapidity (|y|<0.7) in p+p collisions at √s=200 GeV. The result is presented for 2.5<pT<10 GeV/c with an improved precision above 6 GeV/c with respect to the previous measurements, providing more constraints on perturbative QCD calculations. Moreover, this measurement also provides a high-precision reference for measurements of nuclear modification factors for inclusive electrons from open-charm and -bottom hadron decays in heavy-ion collisions. 
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