13-19 May 2018
Venice, Italy
Europe/Zurich timezone
The organisers warmly thank all participants for such a lively QM2018! See you in China in 2019!

Jet energy loss in a flowing plasma

15 May 2018, 17:00
2h 40m
First floor and third floor (Palazzo del Casinò)

First floor and third floor

Palazzo del Casinò

Poster Jet modifications and high-pT hadrons Poster Session

Speaker

Wilke van der Schee (MIT)

Description

We present new results on the energy loss of light partons traversing a highly dynamical strongly coupled quark-gluon plasma. As QGP has large gradients in both temperature and the fluid velocity, it is crucial to study energy loss without assuming a homogeneous plasma, especially as it is known that energy loss depends on the plasma evolution in a non-local way. In a holographic description, we consider several subsequent improvements of the hydrodynamic background by keeping increasing orders in the gradient expansion. Already for varying temperature and velocity profiles and ideal hydrodynamics, the energy loss is considerably modified. However, this description is limited to very small gradients and it is hence necessary to include viscous corrections. We present a numerical analysis of jet energy loss in a boost-invariant and transversely-expanding droplet of QGP. We find that depending on the direction of the fluid flow, the velocity gradients can change the distance a parton can travel by a factor of two, which would correspond to changing the coupling constant by a factor of more than fifty.

Centralised submission by Collaboration Presenter name already specified
Content type Theory

Primary authors

Jasmine Brewer (Massachusetts Institute of Technology) Andrey Sadofyev (MIT) Wilke van der Schee (MIT)

Presentation Materials

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