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- Bierlich, Christian
(författare)
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Microscopic collectivity : The ridge and strangeness enhancement from string–string interactions
- 2019
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Ingår i: Nuclear Physics A. - : Elsevier BV. - 0375-9474. ; 982, s. 499-502
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Tidskriftsartikel (refereegranskat)abstract
- We present the microscopic model for collective effects, built on string–string interactions (string shoving and rope hadronization), recently implemented in the PYTHIA8 and DIPSY event generators. Rope hadronization is shown to give a good description of strangeness enhancement across pp, pA and AA collision systems, while string shoving qualitatively describes the ridge observed in pp collisions.
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- Bierlich, Christian
(författare)
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Soft modifications to jet fragmentation in high energy proton–proton collisions
- 2019
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Ingår i: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 795, s. 194-199
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Tidskriftsartikel (refereegranskat)abstract
- The discovery of collectivity in proton–proton collisions, is one of the most puzzling outcomes from the first two runs at LHC, as it points to the possibility of creation of a Quark–Gluon Plasma, earlier believed to only be created in heavy ion collisions. One key observation from heavy ion collisions is still not observed in proton–proton, namely jet-quenching. In this letter it is shown how a model capable of describing soft collective features of proton–proton collisions, also predicts modifications to jet fragmentation properties. With this starting point, several new observables suited for the present and future hunt for jet quenching in small collision systems are proposed.
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