2017
DOI: 10.1140/epjc/s10052-017-4599-x
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Two-particle correlations in azimuthal angle and pseudorapidity in inelastic p + p interactions at the CERN Super Proton Synchrotron

Abstract: Results on two-particle η φ correlations in inelastic p + p interactions at 20, 31, 40, 80, and 158 GeV/c are presented. The measurements were performed using the large acceptance NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron. The data show structures which can be attributed mainly to effects of resonance decays, momentum conservation, and quantum statistics. The results are compared with the Epos and UrQMD models.

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Cited by 19 publications
(24 citation statements)
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“…Correlations in Be+Be collisions are compared to results from p+p interactions [2] in Fig 8. It needs to be mentioned that correlations in Be+Be are generally much weaker than in p+p collisions due to higher combinatorical background diluting the correlation signal.…”
Section: Comparison With Results From P+p Collisionsmentioning
confidence: 99%
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“…Correlations in Be+Be collisions are compared to results from p+p interactions [2] in Fig 8. It needs to be mentioned that correlations in Be+Be are generally much weaker than in p+p collisions due to higher combinatorical background diluting the correlation signal.…”
Section: Comparison With Results From P+p Collisionsmentioning
confidence: 99%
“…In this section, the new measurements in Be+Be collisions are compared to calculations using the EPOS model [3] and to results from p+p interactions already published by the NA61/SHINE experiment [2].…”
Section: Comparisonsmentioning
confidence: 99%
See 1 more Smart Citation
“…The clusters formed are independently emitted according to a dynamically generated distribution in and and then decay isotropically in their own rest frame into the real physical particles [43,44] finally measured in the detectors. The observed two-particle correlations would permit disentangling different correlation sources which can be directly connected to the phenomena like collective flow, jets, resonance decays, and so forth [46]. Two-particle angular correlations in and spaces were first studied by ACM Collaboration at ISR energies [47].…”
Section: Two-particle Correlationsmentioning
confidence: 99%
“…Besides this, a significant contribution to the two-particle correlations comes from the collective effects. They appear as a modulation in Δ and are usually searched for in high multiplicity events [46,48]. An attempt is, therefore, made to study the two-particle correlations in individual events exhibiting large fluctuations in their and distributions which have been sorted out as discussed in the previous sections.…”
Section: Two-particle Correlationsmentioning
confidence: 99%