Two-particle correlations in azimuthal angle and pseudorapidity in inelastic p+p interactions at the CERN Super Proton Synchrotron
NA61/SHINE Collaboration: A. Aduszkiewicz, Y. Ali, E. Andronov, T., Anticic, N. Antoniou, B. Baatar, F. Bay, A. Blondel, M. Bogomilov, A., Brandin, A. Bravar, J. Brzychczyk, S.A. Bunyatov, O. Busygina, P., Christakoglou, M. Cirkovic, T. Czopowicz, A. Damyanova, N. Davis, H.
TL;DR
This paper presents measurements of two-particle correlations in inelastic proton-proton collisions at various energies, revealing structures influenced by resonance decays, momentum conservation, and quantum effects, and compares these with theoretical models.
Contribution
First detailed analysis of two-particle correlations across multiple energies in p+p interactions at CERN, with comparison to modern theoretical models.
Findings
Structures attributed to resonance decays, momentum conservation, and quantum statistics.
Comparison shows varying agreement with EPOS and UrQMD models.
Provides insights into particle production mechanisms in high-energy p+p collisions.
Abstract
Results on two-particle 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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