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037 _ _ |a PUBDB-2022-07878
041 _ _ |a English
100 1 _ |a Sun, Chuan
|0 P:(DE-H253)PIP1093990
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111 2 _ |a Quark Matter 2022 - XXIXth International Conference on Ultra-relativistic Nucleus-Nucleus Collisions
|g QM2022
|c Krakow
|d 2022-04-04 - 2022-04-10
|w Poland
245 _ _ |a Search for collective effects in small systems obtained in ep collisions at HERA
260 _ _ |c 2022
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a Other
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502 _ _ |c Auditorium Maximum UJ
520 _ _ |a Measurements of two- and multi-particle angular correlations are presented in both ep deep-inelastic scattering at s√=319 GeV and in photoproduction off protons at energies Wγp=270 GeV, as a function of charged-particle multiplicity. No long-range ridge structure is observed in the correlation functions. The second-order (V2Δ) and third-order (V3Δ) azimuthal anisotropy Fourier harmonics are extracted. Further, C2{4} signals are extracted from four-particle correlations for the first time in ep collisions and are found to be positive or consistent with 0. In summary, collective behavior has not been observed in collisions of protons with virtual or quasi-real photons at HERA energies.
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693 _ _ |a HERA
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700 1 _ |a H1 Collaboration
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856 4 _ |u https://bib-pubdb1.desy.de/record/490643/files/20220407%20-%20QM2022%20-%20ChuanSun.pdf
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910 1 _ |a Deutsches Elektronen-Synchrotron
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