dorsal/arxiv
View SchemaCollisional Energy Loss of Non Asymptotic Jets in a QGP
| Authors | A. Adil, M. Gyulassy, W. A. Horowitz, S. Wicks |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0606010 |
| URL | https://arxiv.org/abs/nucl-th/0606010 |
| DOI | 10.1103/PhysRevC.75.044906 |
| Journal | Phys.Rev.C75:044906,2007 |
Abstract
We calculate the collisional energy loss suffered by a heavy (charm) quark created at a finite time within a Quark Gluon Plasma (QGP) in the classical linear response formalism as in Peigne {\it et al.} \cite{peigne}. We pay close attention to the problem of formulating a suitable current and the isolation of binding and radiative energy loss effects. We find that unrealistic large binding effects arising in previous formulations must be subtracted. The finite time correction is shown to be important only for very short length scales on the order of a Debye length. The overall energy loss is similar in magnitude to the energy loss suffered by a charge created in the asymptotic past. This result has significant implications for the relative contribution to energy loss from collisional and radiative sources and has important ramifications for the ``single electron puzzle'' at RHIC.
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"abstract": "We calculate the collisional energy loss suffered by a heavy (charm) quark\ncreated at a finite time within a Quark Gluon Plasma (QGP) in the classical\nlinear response formalism as in Peigne {\\it et al.} \\cite{peigne}. We pay close\nattention to the problem of formulating a suitable current and the isolation of\nbinding and radiative energy loss effects. We find that unrealistic large\nbinding effects arising in previous formulations must be subtracted. The finite\ntime correction is shown to be important only for very short length scales on\nthe order of a Debye length. The overall energy loss is similar in magnitude to\nthe energy loss suffered by a charge created in the asymptotic past. This\nresult has significant implications for the relative contribution to energy\nloss from collisional and radiative sources and has important ramifications for\nthe ``single electron puzzle\u0027\u0027 at RHIC.",
"arxiv_id": "nucl-th/0606010",
"authors": [
"A. Adil",
"M. Gyulassy",
"W. A. Horowitz",
"S. Wicks"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.75.044906",
"journal_ref": "Phys.Rev.C75:044906,2007",
"title": "Collisional Energy Loss of Non Asymptotic Jets in a QGP",
"url": "https://arxiv.org/abs/nucl-th/0606010"
},
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