EPJ Web Conf.
Volume 141, 2017XLVI International Symposium on Multiparticle Dynamics (ISMD 2016)
|Number of page(s)||6|
|Section||Collectivity in high-energy collisions: jets, flows and others|
|Published online||12 April 2017|
Saturation and geometrical scaling
M. Smoluchowski Institute of Physics, Jagiellonian University, Lojasiewicza 11, 30-348 Krakow, Poland
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Published online: 12 April 2017
We discuss emergence of geometrical scaling as a consequence of the non-linear evolution equations of QCD, which generate a new dynamical scale, known as the saturation momentum: Qs. In the kinematical region where no other energy scales exist, particle spectra exhibit geometrical scaling (GS), i.e. they depend on the ratio pT/Qs, and the energy dependence enters solely through the energy dependence of the saturation momentum. We confront the hypothesis of GS in different systems with experimental data.
© The Authors, published by EDP Sciences, 2017
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