dorsal/arxiv
View SchemaA light-fronts approach to electron-positron pair production in ultrarelativistic heavy-ion collisions
| Authors | B. Segev, J. C. Wells |
|---|---|
| Categories | |
| ArXiv ID | physics/9710008 |
| URL | https://arxiv.org/abs/physics/9710008 |
| DOI | 10.1103/PhysRevA.57.1849 |
Abstract
We perform a gauge-transformation on the time-dependent Dirac equation describing the evolution of an electron in a heavy-ion collision to remove the explicit dependence on the long-range part of the interaction. We solve, in an ultra-relativistic limit, the gauged-transformed Dirac equation using light-front variables and a light-fronts representation, obtaining non-perturbative results for the free pair-creation amplitudes in the collider frame. Our result reproduces the result of second-order perturbation theory in the small charge limit while non-perturbative effects arise for realistic charges of the ions.
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"abstract": "We perform a gauge-transformation on the time-dependent Dirac equation\ndescribing the evolution of an electron in a heavy-ion collision to remove the\nexplicit dependence on the long-range part of the interaction. We solve, in an\nultra-relativistic limit, the gauged-transformed Dirac equation using\nlight-front variables and a light-fronts representation, obtaining\nnon-perturbative results for the free pair-creation amplitudes in the collider\nframe. Our result reproduces the result of second-order perturbation theory in\nthe small charge limit while non-perturbative effects arise for realistic\ncharges of the ions.",
"arxiv_id": "physics/9710008",
"authors": [
"B. Segev",
"J. C. Wells"
],
"categories": [
"physics.atom-ph",
"nucl-th",
"physics.acc-ph"
],
"doi": "10.1103/PhysRevA.57.1849",
"title": "A light-fronts approach to electron-positron pair production in ultrarelativistic heavy-ion collisions",
"url": "https://arxiv.org/abs/physics/9710008"
},
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