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Volume 321 - Sixth Annual Conference on Large Hadron Collider Physics (LHCP2018) - Parallel Heavy Ions
Event generators for heavy-ion physics, recent developments
G. Gustafson
Full text: pdf
Pre-published on: 2018 September 03
Published on:
A short review is presented for the most commonly used general purpose event generators for heavy ion physics, HIJING, AMPT, and EPOS. A new model, called Angantyr, is presented. It is (similar to HIJING) an
extrapolation of pp dynamics to collisions with nuclei. Diffractive
excitation of individual nucleons has significant effects in nucleus
collisions, and here Angantyr is the first model which accounts for nucleon excitation in both projectile and target nuclei. General features in pA and AA collisions are well reproduced. Future studies aim to investigate effects of fluctuations in more detail, and to also include effects of a high string density on collective effects, like high strangeness production and transverse flow.
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