dorsal/arxiv
View SchemaOn the $M_T$ scaling of dilepton spectra in high energy heavy ion collisions
| Authors | D. K. Srivastava, Jicai Pan, V. Emel'yanov, C. Gale |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9404005 |
| URL | https://arxiv.org/abs/nucl-th/9404005 |
| DOI | 10.1016/0370-2693(94)90753-6 |
| Journal | Phys.Lett.B329:157-163,1994 |
Abstract
The so-called $M_T$ scaling for dilepton spectra at RHIC energies is examined. It is seen that a proper accounting of the complete set of dilepton producing processes forces us to abandon the proposed scaling around $M_T$ = 2.6 GeV, which has been put forward as a possible signature of the presence of quark-matter. Any substantial transverse expansion in the QGP phase itself will also offset this scaling behaviour. The rates of lepton pair production are time--integrated in Bjorken hydrodynamics and the different sources are compared against each other.
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"abstract": "The so-called $M_T$ scaling for dilepton spectra at RHIC energies is\nexamined. It is seen that a proper accounting of the complete set of dilepton\nproducing processes forces us to abandon the proposed scaling around $M_T$ =\n2.6 GeV, which has been put forward as a possible signature of the presence of\nquark-matter. Any substantial transverse expansion in the QGP phase itself will\nalso offset this scaling behaviour. The rates of lepton pair production are\ntime--integrated in Bjorken hydrodynamics and the different sources are\ncompared against each other.",
"arxiv_id": "nucl-th/9404005",
"authors": [
"D. K. Srivastava",
"Jicai Pan",
"V. Emel\u0027yanov",
"C. Gale"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/0370-2693(94)90753-6",
"journal_ref": "Phys.Lett.B329:157-163,1994",
"title": "On the $M_T$ scaling of dilepton spectra in high energy heavy ion collisions",
"url": "https://arxiv.org/abs/nucl-th/9404005"
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