PAPER Plots (click for pdf)

Figure 1 Abbreviated Caption
Top: Charged-particle yields for the different triggers normalized to the number of leading charged particles with pT > 0.4 GeV/c in double-sided events, as a function of leading-track pT. The track-triggered distributions are normalized by the number of leading tracks in regions not affected by the rapid rise of the trigger efficiency near threshold. Bottom: Ratios of the leading-track pT distributions for the four different triggers. The stars indicate the ratio of the 12 GeV/c over the minimum-bias samples, the circles the 20 over the 12 GeV/c samples, and the squares the ratio of the 30 over the 20 GeV/c track-triggered spectra.
Figure 2A Abbreviated Caption
Examples of interpolations between measured charged-particle differential cross sections at different sqrt(s) for pT values of 3 and 15 GeV/c. The second-order polynomial fits, performed in the plane of the log-log invariant production vs. sqrt(s), are shown by the solid lines. The open squares and circles, and the filled crosses represent interpolated cross section values at 5.02 TeV using different methods: pT-based interpolation, xT-based interpolation, and relative placement, respectively. The error bars on the interpolated points represent the uncertainties in the fit.
Figure 2B Abbreviated Caption
Examples of interpolations between measured charged-particle differential cross sections at different sqrt(s) for xT values of 0.014 and 0.040. These xT values correspond to pT ~ 35 and 100 GeV/c at sqrt(s) = 5.02 TeV. The second-order polynomial fits, performed in the plane of the log-log invariant production vs. sqrt(s), are shown by the solid lines. The open squares and circles, and the filled crosses represent interpolated cross section values at 5.02 TeV using different methods: pT-based interpolation, xT-based interpolation, and relative placement, respectively. The error bars on the interpolated points represent the uncertainties in the fit.
Figure 3 Abbreviated Caption
Measured charged-particle transverse momentum spectra in pPb collisions at sqrt(sNN) = 5.02 TeV for: |ηCM| < 1.0, 0.3 < ± ηCM < 0.8, 0.8 < ± ηCM < 1.3, 1.3 < ± ηCM < 1.8, and the interpolated pp reference spectrum in |ηCM| < 1.0, normalized to the number of double-sided events. Positive pseudorapidity values correspond to the proton beam direction. The spectra have been scaled by the quoted factors to provide better visibility. Bottom: Systematic uncertainties in the measured pPb and interpolated pp spectra, as a function of pT.
Figure 4 Abbreviated Caption
Measured nuclear modification factor as a function of pT for charged particles produced in |ηCM| < 1.0. The shaded band at unity and pT ~ 0.6 represents the uncertainty in the Glauber calculation of <TpPb>. The smaller uncertainty band around the data points shows the uncertainty from effects (combining spectra, track selection, and trigger efficiency) that are fully correlated in specific pT regions. The total systematic uncertainties, dominated by uncertainty in the pp interpolation, are shown by the larger band.
Figure 5 Abbreviated Caption
Charged-particle nuclear modification factors measured by CMS in |ηCM| < 1 (filled circles), and by ALICE in |ηCM| < 0.3 (open squares), are compared to the NLO pQCD prediction of Ref. 51. The theoretical uncertainty is based on the EPS09 error sets. For the CMS measurement, the shaded band at unity and pT ~ 0.6 represents the uncertainty in the Glauber calculation of <TpPb>, the smaller uncertainty band around the data points shows the fully correlated uncertainties and the total systematic uncertainty is shown by the larger band. For the ALICE measurement, the total systematic uncertainties, excluding the normalization uncertainty of 6%, are shown with open boxes.
Figure 6 Abbreviated Caption
Charged-particle forward-backward yield asymmetry as a function of pT for 0.3 < |ηCM| < 0.8 (top), 0.8 < |ηCM| < 1.3 (middle), and 1.3 < |ηCM| < 1.8 (bottom). The asymmetry is computed as the charged-particle yields in the direction of the Pb beam divided by those of the proton beam. The solid curves are NLO pQCD theoretical calculations including nPDFs modifications [51]. The theoretical uncertainty is based on the EPS09 error sets.
Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf PAPER_Fig1.pdf r1 manage 52.8 K 2015-02-18 - 22:24 EricAppelt  
PNGpng PAPER_Fig1.png r1 manage 246.0 K 2015-02-18 - 22:24 EricAppelt  
PDFpdf PAPER_Fig2A.pdf r1 manage 12.7 K 2015-02-18 - 22:24 EricAppelt  
PNGpng PAPER_Fig2A.png r1 manage 135.5 K 2015-02-18 - 22:24 EricAppelt  
PDFpdf PAPER_Fig2B.pdf r1 manage 10.3 K 2015-02-18 - 22:24 EricAppelt  
PNGpng PAPER_Fig2B.png r1 manage 159.5 K 2015-02-18 - 22:24 EricAppelt  
PDFpdf PAPER_Fig3.pdf r1 manage 16.5 K 2015-02-18 - 22:24 EricAppelt  
PNGpng PAPER_Fig3.png r1 manage 324.7 K 2015-02-18 - 22:24 EricAppelt  
PDFpdf PAPER_Fig4.pdf r1 manage 20.1 K 2015-02-18 - 22:24 EricAppelt  
PNGpng PAPER_Fig4.png r1 manage 147.8 K 2015-02-18 - 22:24 EricAppelt  
PDFpdf PAPER_Fig5.pdf r1 manage 22.7 K 2015-02-18 - 22:25 EricAppelt  
PNGpng PAPER_Fig5.png r1 manage 222.3 K 2015-02-18 - 22:25 EricAppelt  
PDFpdf PAPER_Fig6.pdf r1 manage 28.9 K 2015-02-18 - 22:25 EricAppelt  
PNGpng PAPER_Fig6.png r1 manage 243.6 K 2015-02-18 - 22:25 EricAppelt  
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