Collective Behavior of Secondary Particles in the Region of high Multiplicity in pp Interactions at 50 GeV/c

Author:

Kokoulina Elena1,Barlykov Nurlan1,Dudin Vladimir1,Gribovsky Alexander1,Dunin Vladimir1,Nikitin Vladimir1,Popov Vsevolod1,Kutov Andrey2,Ryadovikov Vasiliy3,Shulyakovsky Roman4

Affiliation:

1. Joint Institute for Nuclear Research

2. Institute of Physics and Mathematics

3. Institute of High Energy Physics

4. Institute of Applied Physics

Abstract

The latest results on the search for collective phenomena in proton interactions at the U-70 accelerator at IHEP (Protvino) are presented. This long-term experiment has been carried at the SVD-2 setup. Our study was aimed at a high multiplicity region where the series of collective phenomena is predicted. We have received an evidence of the formation of a pion (Bose-Einstein) condensate. We have observed two noticeable peaks in the angular distribution of charged pions interpreted as Cherenkov radiation of gluons by quarks and others phenomena.

Publisher

Belarusian State University

Subject

Mathematical Physics,Statistical and Nonlinear Physics

Reference22 articles.

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2. P.F. Ermolov et al. Proton-proton interaction with high multiplicity at energy 70 GeV (Proposal). Physics of Atomic Nuclei. 67, 108–113 (2004).

3. T. Nilda, Y.Miake. Signatures of QGP at RHIC and the LHC. ArXiv:2104.11406[nucl-ex].

4. R. Fruhwirth. 1088. Application of filter methods to the reconstruction of tracks and vertices in events of experimental high energy physics. HEPHY-PUB 516/88 VIENNA.

5. V.V. Ammosov et al. Average charged particle multiplicity and topological cross sections in 5-GeV/c and 69-GeV/c pp interaction. Phys. Lett. B 42, 519–521 (1972).

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