Ridge from strings View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2015-04-20

AUTHORS

M. A. Braun, C. Pajares, V. V. Vechernin

ABSTRACT

.In the colour string picture with fusion and percolation it is shown that long-range azimuthal-rapidity correlations (ridge) can arise from the superposition of many events with exchange of clusters of different number of strings and not from a single event. Relation of the ridge with the flow harmonics coefficients is derived. By direct Monte Carlo simulations, in the technique previously used to calculate these coefficients, ridge correlations are calculated for AA, pA and pp collisions. The azimuthal anisotropy follows from the assumed quenching of the emitted particles in the strong colour fields inside string clusters. It is confirmed that in pp collisions the ridge structure only appears in rare events with abnormally high multiplicity. Comparison with the experimental data shows a good agreement. Good agreement is also found for pPb collisions. For AA collisions a reasonable agreement is found for both near-side and away-side angular correlations although it worsens at intermediate angles. More... »

PAGES

44

Identifiers

URI

http://scigraph.springernature.com/pub.10.1140/epja/i2015-15044-9

DOI

http://dx.doi.org/10.1140/epja/i2015-15044-9

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1038385031


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