DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Measurements of μμ pairs from open heavy flavor and Drell-Yan in p+p collisions at s =200GeV

Journal Article · · Physical Review. D.
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less

PHENIX reports differential cross sections of μμ pairs from semileptonic heavy-flavor decays and the Drell-Yan production mechanism measured in p+p collisions at $$ \sqrt{s}$$ = 200 GeV at forward and backward rapidity (1.2 < |η| < 2.2). The μμ pairs from $$ c\overline{c}\ $$, $$ b\overline{b}\ $$, and Drell-Yan are separated using a template fit to unlike- and like-sign muon pair spectra in mass and pT. The azimuthal opening angle correlation between the muons from $$ c\overline{c}\ $$ and $$ b\overline{b}\ $$ decays and the pair-pT distributions are compared to distributions generated using pythia and powheg models, which both include next-to-leading order processes. The measured distributions for pairs from $$ c\overline{c}\ $$ are consistent with pythia calculations. The $$ c\overline{c}\ $$ data present narrower azimuthal correlations and softer pT distributions compared to distributions generated from powheg. The $$ b\overline{b}\ $$ data are well described by both models. The extrapolated total cross section for bottom production is 3.75 ± 0.24(stat) ± $$\mathbb 0.35\atop{0.50}$$ (syst) ± 0.45(global) [μb], which is consistent with previous measurements at the Relativistic Heavy Ion Collider in the same system at the same collision energy and is approximately a factor of 2 higher than the central value calculated with theoretical models. The measured Drell-Yan cross section is in good agreement with next-to-leading-order quantum-chromodynamics calculations.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Iowa State Univ., Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE
Contributing Organization:
PHENIX Collaboration
Grant/Contract Number:
SC0012704; AC02-05CH11231; FG02-92ER40692
OSTI ID:
1506168
Alternate ID(s):
OSTI ID: 1514706; OSTI ID: 1582333; OSTI ID: 1599712
Report Number(s):
BNL-211689-2019-JAAM; BNL-211538-2019-JAAM; PRVDAQ
Journal Information:
Physical Review. D., Vol. 99, Issue 7; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

References (94)

Heavy-quark production in p + p and energy loss and flow of heavy quarks in Au + Au collisions at s N N = 200 GeV journal October 2011
Beauty production in pp collisions at s = 2.76 TeV measured via semi-electronic decays journal November 2014
A positive-weight next-to-leading-order Monte Carlo for heavy flavour hadroproduction journal September 2007
The p T spectrum in heavy-flavour hadroproduction journal May 1998
Measurement of the b -Quark Production Cross Section in 7 and 13 TeV p p Collisions journal February 2017
Υ ( 1 S + 2 S + 3 S ) production in d +Au and p + p collisions at s N N = 200 GeV and cold-nuclear-matter effects journal April 2013
Review of Particle Physics journal October 2016
Dielectron Mass Spectra from Au + Au Collisions at s N N = 200     GeV journal July 2014
The production cross section and angular correlations in collisions at journal August 2000
Evidence for the production of thermal muon pairs with masses above 1 GeV/c 2 in 158 A GeV indium-indium collisions: NA60 Collaboration journal January 2009
Massive Lepton-Pair Production in Hadron-Hadron Collisions at High Energies journal August 1970
Publisher’s Note: Dielectron Mass Spectra from Au + Au Collisions at s N N = 200    GeV [Phys. Rev. Lett. 113, 022301 (2014)] journal July 2014
Low-mass vector-meson production at forward rapidity in p + p collisions at s = 200     GeV journal September 2014
Inclusive cross section and double helicity asymmetry for π 0 production in p + p collisions at s = 200     GeV : Implications for the polarized gluon distribution in the proton journal September 2007
Results from vernier scans at RHIC during the PP run 2001-2002 conference January 2003
MRST2001: partons and $\alpha_S$ from precise deep inelastic scattering and Tevatron jet data journal March 2002
Probing small- x gluons by low-mass Drell-Yan pairs at colliders journal January 2005
Possible generalization of Boltzmann-Gibbs statistics journal July 1988
Measurement of D⁎±, D± and D s ± meson production cross sections in pp collisions at s = 7  TeV with the ATLAS detector journal June 2016
PYTHIA 6.4 physics and manual journal May 2006
Observation of Massive Muon Pairs in Hadron Collisions journal November 1970
Massive Lepton-Pair Production in Hadron-Hadron Collisions at High Energies journal September 1970
Dense-Medium Modifications to Jet-Induced Hadron Pair Distributions in Au + Au Collisions at s N N = 200     GeV journal August 2006
Beauty production at the CERN pp̄ collider journal February 1991
Experimental Observation of a Heavy Particle J journal December 1974
Measurement of the b-hadron production cross section using decays to D⁎+μ−X final states in pp collisions at s=7 TeV with the ATLAS detector journal November 2012
Addendum: Observation of double charm production involving open charm in pp collisions at $ \sqrt{s} $ = 7 TeV journal March 2014
Partial-symmetries of weak interactions journal February 1961
PHENIX detector overview
  • Adcox, K.; Adler, S. S.; Aizama, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 499, Issue 2-3 https://doi.org/10.1016/S0168-9002(02)01950-2
journal March 2003
Measurements of e + e − pairs from open heavy flavor in p + p and d + A collisions at s NN = 200 GeV journal August 2017
Measurement of the Bottom Quark Contribution to Nonphotonic Electron Production in p + p Collisions at s = 200     GeV journal November 2010
Measurement of $ {\text{B}}\overline {\text{B}} $ angular correlations based on secondary vertex reconstruction at $ \sqrt {s} = 7\,{\text{TeV}} $ journal March 2011
Ground and excited state charmonium production in p + p collisions at s = 200     GeV journal May 2012
Measurement of D 0 Meson Production and Azimuthal Anisotropy in Au+Au Collisions at s NN = 200  GeV journal August 2017
Heavy Quark Production in Heavy Ion Colliders journal January 2003
Measurement of the Bottom-Quark Production Cross Section in 800 GeV/ c Proton-Gold Collisions journal April 1995
PHENIX inner detectors
  • Allen, M.; Bennett, M. J.; Bobrek, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 499, Issue 2-3 https://doi.org/10.1016/S0168-9002(02)01956-3
journal March 2003
Improved measurement of the b b ¯ production cross section in 920 GeV fixed-target proton-nucleus collisions journal March 2006
Observation of double charm production involving open charm in pp collisions at $ \sqrt {s} = {7}\;{\text{TeV}} $ journal June 2012
Measurement of the b b ¯ Cross Section in 800 GeV / c Proton-Silicon Interactions journal January 1999
Measurement of electrons from beauty hadron decays in pp collisions at s=7 TeV journal April 2013
Measurement of Bottom Versus Charm as a Function of Transverse Momentum with Electron-Hadron Correlations in p + p Collisions at s = 200     GeV journal August 2009
Nuclear modification factor of D 0 mesons in PbPb collisions at s NN = 5.02 TeV journal July 2018
A possible determination of the quark radiation length in cold nuclear matter journal October 2011
Erratum to: Measurements of prompt charm production cross-sections in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal May 2017
Finite-Width Corrections to the Vector-Meson-Dominance Prediction for ρ → e + e − journal July 1968
Jet structure from dihadron correlations in d + Au collisions at s NN = 200 GeV journal May 2006
Centrality Dependence of π 0 and η Production at Large Transverse Momentum in s N N = 200     GeV d + Au Collisions journal April 2007
Detailed measurement of the e + e − pair continuum in p + p and Au + Au collisions at s NN = 200 GeV and implications for direct photon production journal March 2010
Measurement of neutral mesons in p + p collisions at s = 200     GeV and scaling properties of hadron production journal March 2011
A brief introduction to PYTHIA 8.1 journal June 2008
The total charm cross section journal March 2008
Measurements of B → J / ψ at forward rapidity in p + p collisions at s = 510     GeV journal May 2017
Measurement of the relative yields of ψ ( 2 S ) to ψ ( 1 S ) mesons produced at forward and backward rapidity in p + p , p + Al , p + Au , and He 3 + Au collisions at s NN = 200 GeV journal March 2017
Dynamical parton distributions revisited journal September 1998
Measurement of the J / ψ meson and b -hadron production cross sections in p p ¯ collisions at s = 1960     G e V journal February 2005
Measurements of prompt charm production cross-sections in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal March 2016
Midrapidity Neutral-Pion Production in Proton-Proton Collisions at s = 200     G e V journal December 2003
Measurement of Prompt Charm Meson Production Cross Sections in p p ¯ Collisions at s = 1.96     T e V journal December 2003
Erratum: Measurement of the b -Quark Production Cross Section in 7 and 13 TeV p p Collisions [Phys. Rev. Lett. 118 , 052002 (2017)] journal October 2017
Production and hadronization of heavy quarks journal October 2000
Measurement of the B 0 Production Cross Section in p p Collisions at s = 7     TeV journal June 2011
Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized p + p collisions at s = 200     GeV journal June 2017
B -meson production at forward and backward rapidity in p + p and Cu + Au collisions at s N N = 200 GeV journal December 2017
Measurements of bottom-antibottom azimuthal production correlations in proton-antiproton collisions at s = 1.8     TeV journal May 2005
High transverse momentum η meson production in p + p , d +Au, and Au+Au collisions at s NN = 200 GeV journal February 2007
Heavy-flavor electron-muon correlations in p + p and d + Au collisions at s N N = 200 GeV journal March 2014
Disentangling heavy flavor at colliders journal September 2017
Matching NLO QCD and parton showers in heavy flavour production journal August 2003
Measurement of D-meson production at mid-rapidity in pp collisions at $${\sqrt{s}=7}$$ s = 7  TeV journal August 2017
PHENIX Muon Arms
  • Akikawa, H.; Al-Jamel, A.; Archuleta, J. B.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 499, Issue 2-3 https://doi.org/10.1016/S0168-9002(02)01955-1
journal March 2003
Cross section and double helicity asymmetry for η mesons and their comparison to π 0 production in p + p collisions at s = 200     GeV journal February 2011
Dilepton mass spectra in p+p collisions at s=200 GeV and the contribution from open charm journal January 2009
Geant4—a simulation toolkit
  • Agostinelli, S.; Allison, J.; Amako, K.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 506, Issue 3 https://doi.org/10.1016/S0168-9002(03)01368-8
journal July 2003
Cross section for b b ¯ production via dielectrons in d + Au collisions at s N N = 200 GeV journal January 2015
Corrigendum to “Measurement of electrons from beauty hadron decays in pp collisions at s=7 TeV” [Phys. Lett. B 721 (1–3) (2013) 13–23] and “Beauty production in pp collisions at s=2.76 TeV measured via semi-electronic decays” [Phys. Lett. B 738 (2014) 97–108] journal December 2016
Dielectron production in Au + Au collisions at s N N = 200 GeV journal January 2016
Production of Mesons and Baryons at High Rapidity and High p T in Proton-Proton Collisions at s = 200     GeV journal June 2007
Identified charged hadron production in p + p collisions at s = 200 and 62.4 GeV journal June 2011
Dynamical parton distributions revisited journal January 1998
Review of Particle Physics text January 2008
Nuclear modification factor of D0 mesons in PbPb collisions at sNN=5.02TeV text January 2018
Improved measurement of the b-anti-b production cross section in $920-GeV$ fixed-target proton-nucleus collisions text January 2006
Review of Particle Physics text January 2018
Review of Particle Physics text January 2012
The total charm cross section text January 2007
Detailed measurement of the e+e- pair continuum in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV and implications for direct photon production text January 2009
A possible determination of the quark radiation length in cold nuclear matter text January 2010
Measurement of the $b$-quark production cross-section in 7 and 13 TeV $pp$ collisions text January 2016
Measurement of D-meson production at mid-rapidity in pp collisions at $\mathbf{\sqrt{s}=7}$ TeV text January 2017
Disentangling Heavy Flavor at Colliders text January 2017
MRST2001: partons and alpha_S from precise deep inelastic scattering and Tevatron jet data text January 2001
Heavy Quark Production in Heavy Ion Colliders text January 2002
Dynamical Parton Distributions Revisited text January 1998


Figures / Tables (49)