scholarly journals Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity p+Au collisions at sNN=200 GeV

2017 ◽  
Vol 95 (3) ◽  
Author(s):  
C. Aidala ◽  
Y. Akiba ◽  
M. Alfred ◽  
V. Andrieux ◽  
K. Aoki ◽  
...  
2018 ◽  
Vol 98 (1) ◽  
Author(s):  
A. Adare ◽  
C. Aidala ◽  
N. N. Ajitanand ◽  
Y. Akiba ◽  
H. Al-Bataineh ◽  
...  

2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
S. Acharya ◽  
◽  
D. Adamová ◽  
A. Adler ◽  
J. Adolfsson ◽  
...  

Abstract Two-particle angular correlations are measured in high-multiplicity proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV by the ALICE Collaboration. The yields of particle pairs at short-(∆η ∼ 0) and long-range (1.6 < |∆η| < 1.8) in pseudorapidity are extracted on the near-side (∆φ ∼ 0). They are reported as a function of transverse momentum (pT) in the range 1 < pT< 4 GeV/c. Furthermore, the event-scale dependence is studied for the first time by requiring the presence of high-pT leading particles or jets for varying pT thresholds. The results demonstrate that the long-range “ridge” yield, possibly related to the collective behavior of the system, is present in events with high-pT processes as well. The magnitudes of the short- and long-range yields are found to grow with the event scale. The results are compared to EPOS LHC and PYTHIA 8 calculations, with and without string-shoving interactions. It is found that while both models describe the qualitative trends in the data, calculations from EPOS LHC show a better quantitative agreement for the pT dependency, while overestimating the event-scale dependency.


2012 ◽  
Vol 86 (6) ◽  
Author(s):  
G. Agakishiev ◽  
M. M. Aggarwal ◽  
Z. Ahammed ◽  
A. V. Alakhverdyants ◽  
I. Alekseev ◽  
...  
Keyword(s):  

2020 ◽  
Vol 101 (1) ◽  
Author(s):  
J. Adam ◽  
L. Adamczyk ◽  
J. R. Adams ◽  
J. K. Adkins ◽  
G. Agakishiev ◽  
...  

2009 ◽  
Vol 103 (17) ◽  
Author(s):  
B. I. Abelev ◽  
M. M. Aggarwal ◽  
Z. Ahammed ◽  
B. D. Anderson ◽  
D. Arkhipkin ◽  
...  
Keyword(s):  

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