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Collective phenomena in pp interactions with high multiplicity
by N. Barlykov, V. Dudin, V. Dunin, E. Kokoulina, A. Kutov, V. Nikitin
Submission summary
| Authors (as registered SciPost users): | Elena Kokoulina |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/2110.06970v1 (pdf) |
| Date submitted: | 2021-10-15 13:01 |
| Submitted by: | Kokoulina, Elena |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 50th International Symposium on Multiparticle Dynamics (ISMD2021) |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approach: | Experimental |
Abstract
The latest results on the search for collective phenomena in pp interactions at the U-70 accelerator at IHEP (Protvino) are presented. This the long-term experiment has been carried out at the SVD-2 setup. We received the evidence of the pion (Bose-Einstein) condensate formation. Two noticeable peaks in the angular distribution of charged pions are interpreted as Cherenkov radiation of gluons by quarks. The leading effect disappears and the secondary system becomes isotropic in all directions at high multiplicity region.
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1. I suggest that the authors clarify how the red and blue lines are obtained in fig.2. If it is a fit, it would be useful to have a fit form. I hope they will also clarify what is the importance of them crossing - the transverse and longitudinal components don't seem to be equal, since the filled and empty circles are different from each other, even though the red and blue lines cross.
2. I suggest updates to the figure labels to make them visible (especially in fig. 2, the legend is not visible)