Single electron yields from semileptonic charm and bottom hadron decays in Au+Au collisions at sNN=200 GeV

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A.; Zelenski, A.; Zhou, S.; Zou, L.

doi:10.1103/PhysRevC.93.034904

Title: Single electron yields from semileptonic charm and bottom hadron decays in $Au + Au$ collisions at $\sqrt{s_{N N}} = 200$ GeV

Journal Article · Mon Mar 07 00:00:00 EST 2016 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.93.034904· OSTI ID:1324171

Adare, A.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Akimoto, R.; Alexander, J.; Alfred, M.; Aoki, K.; Apadula, N.; Aramaki, Y.; Asano, H.; Aschenauer, E. C.; Atomssa, E. T.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Bai, M.; Bandara, N. S.; Bannier, B.; Barish, K. N. more »

The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy flavor production in minimum bias Au + Au collisions at √^SNN = 200 GeV via the yields of electrons from semileptonic decays of charm and bottom hadrons. Previous heavy flavor electron measurements indicated substantial modification in the momentum distribution of the parent heavy quarks owing to the quark-gluon plasma created in these collisions. For the first time, using the PHENIX silicon vertex detector to measure precision displaced tracking, the relative contributions from charm and bottom hadrons to these electrons as a function of transverse momentum are measured in Au + Au collisions. We compare the fraction of electrons from bottom hadrons to previously published results extracted from electron-hadron correlations in p + p collisions at √^SNN = 200 GeV and find the fractions to be similar within the large uncertainties on both measurements for p_T > 4GeV/c. We use the bottom electron fractions in Au + Au and p + p along with the previously measured heavy flavor electron R_AA to calculate the R_AA for electrons from charm and bottom hadron decays separately. In conclusion, we find that electrons from bottom hadron decays are less suppressed than those from charm for the region 3 < p_T < 4GeV/c.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: PHENIX Collaboration

Grant/Contract Number:: AC05-00OR22725; SC00112704

OSTI ID:: 1324171

Alternate ID(s):: OSTI ID: 1240490; OSTI ID: 1335477

Report Number(s):: BNL-112151-2016-JA; PRVCAN; KB0201022; ERKBP09

Journal Information:: Physical Review C, Vol. 93, Issue 3; ISSN 2469-9985

Publisher:: APSCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 36 works

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Heavy flavor at the large hadron collider in a strong coupling approach He, Min; Fries, Rainer J.; Rapp, Ralf Physics Letters B, Vol. 735 https://doi.org/10.1016/j.physletb.2014.05.050	journal	July 2014
Novel heavy flavour suppression mechanisms in the QGP Vitev, I.; Adil, A.; Hees, H. van Journal of Physics G: Nuclear and Particle Physics, Vol. 34, Issue 8 https://doi.org/10.1088/0954-3899/34/8/S92	journal	July 2007
Fluctuating heavy quark energy loss in a strongly coupled quark-gluon plasma Horowitz, W. A. Physical Review D, Vol. 91, Issue 8 https://doi.org/10.1103/PhysRevD.91.085019	journal	April 2015
Shock Treatment: Heavy Quark Energy Loss in a Novel AdS/CFT Geometry Horowitz, W. A. Nuclear Physics A, Vol. 830, Issue 1-4 https://doi.org/10.1016/j.nuclphysa.2009.10.003	journal	November 2009

Cited By (2)

Short-path-length corrections to Djordjevic-Gyulassy-Levai-Vitev energy loss Kolbé, Isobel; Horowitz, W. A. Physical Review C, Vol. 100, Issue 2 https://doi.org/10.1103/physrevc.100.024913	journal	August 2019
Short path length corrections to Djordjevic-Gyulassy-Levai-Vitev energy loss Kolbé, Isobel; Horowitz, W. A. arXiv https://doi.org/10.48550/arxiv.1511.09313	text	January 2015

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
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"Figure 1" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v1/t1 The current record is supplemented by this dataset	dataset	January 2020
"Figure 3" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v1/t3 The current record is supplemented by this dataset	dataset	January 2020
"Figure 4" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v1/t4 The current record is supplemented by this dataset	dataset	January 2020
Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v2 The current record is supplemented by this collection	collection	January 2020
"Figure 2" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v2/t2 The current record is supplemented by this dataset	dataset	January 2020
"Figure 3" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v2/t3 The current record is supplemented by this dataset	dataset	January 2020
"Figure 1" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v3/t1 The current record is supplemented by this dataset	dataset	January 2020
"Figure 4" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v3/t4 The current record is supplemented by this dataset	dataset	January 2020
"Figure 1" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v2/t1 The current record is supplemented by this dataset	dataset	January 2020
"Figure 4" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v2/t4 The current record is supplemented by this dataset	dataset	January 2020
"Figure 3" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v3/t3 The current record is supplemented by this dataset	dataset	January 2020
"Figure 2" of "Single electron yields from semileptonic charm and bottom hadron decays in Au$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV" Collaboration, Phenix https://doi.org/10.17182/hepdata.99752.v3/t2 The current record is supplemented by this dataset	dataset	January 2020

Title: Single electron yields from semileptonic charm and bottom hadron decays in Au + Au collisions at s N N = 200 GeV

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