| Issue |
EPJ Web of Conferences
Volume 71, 2014
2nd International Conference on New Frontiers in Physics
|
|
|---|---|---|
| Article Number | 00095 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/epjconf/20147100095 | |
| Published online | 29 April 2014 | |
https://doi.org/10.1051/epjconf/20147100095
Energy loss in unstable QGP - problem of the upper cut-off
1 Department of Physics, Brandon University, Brandon, Manitoba, Canada
2 National Centre for Nuclear Research, Warsaw, Poland
3 Institute of Physics, Jan Kochanowski University, Kielce, Poland
a e-mail: Carrington@BrandonU.CA
b e-mail: kdeja@fuw.edu.pl
c e-mail: mrow@fuw.edu.pl
Published online: 29 April 2014
The energy loss of a highly energetic parton in a weakly coupled quark-gluon plasma is studied as an initial value problem. An extremely prolate plasma, where the momentum distribution is infinitely elongated along one direction, is considered. The energy loss is strongly time and direction dependent and its magnitude can much exceed the equilibrium value. It is logarithmically ultraviolet divergent. We argue that a good approximation to the energy loss can be obtained if this divergence is cut off with the parton energy.
© Owned by the authors, published by EDP Sciences, 2014
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