Observation of Correlated Azimuthal Anisotropy Fourier Harmonics in pp and p+Pb Collisions at the LHC
Physical Review Letters 2018
Viesturs Veckalns, CERN international group of authors

The azimuthal anisotropy Fourier coefficients (vn) in 8.16 TeV p+Pb data are extracted via long-range two-particle correlations as a function of the event multiplicity and compared to corresponding results in pp and PbPb collisions. Using a four-particle cumulant technique, vn correlations are measured for the first time in pp and p+Pb collisions. The v2 and v4 coefficients are found to be positively correlated in all collision systems. For high-multiplicity p+Pb collisions, an anticorrelation of v2 and v3 is observed, with a similar correlation strength as in PbPb data at the same multiplicity. The new correlation results strengthen the case for a common origin of the collectivity seen in p+Pb and PbPb collisions in the measured multiplicity range.


DOI
10.1103/PhysRevLett.120.092301
Hipersaite
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.092301

Veckalns, V., international group of authors, C. Observation of Correlated Azimuthal Anisotropy Fourier Harmonics in pp and p+Pb Collisions at the LHC. Physical Review Letters, 2018, Vol.2018, iss.3, 1.-11.lpp. ISSN 0031-9007. e-ISSN 1029-8479. Pieejams: doi:10.1103/PhysRevLett.120.092301

Publikācijas valoda
English (en)
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