dorsal/arxiv
View SchemaSource Function Determined from HBT Correlations by the Maximum Entropy Principle
| Authors | Wu Yuanfang, Ulrich Heinz |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9607037 |
| URL | https://arxiv.org/abs/nucl-th/9607037 |
Abstract
We study the reconstruction of the source function in space-time directly from the measured HBT correlation function using the Maximum Entropy Principle. We find that the problem is ill-defined without at least one additional theoretical constraint as input. Using the requirement of a finite source lifetime for the latter we find a new Gaussian parametrization of the source function directly in terms of the measured HBT radius parameters and its lifetime, where the latter is a free parameter which is not directly measurable by HBT. We discuss the implications of our results for the remaining freedom in building source models consistent with a given set of measured HBT radius parameters.
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"abstract": "We study the reconstruction of the source function in space-time directly\nfrom the measured HBT correlation function using the Maximum Entropy Principle.\nWe find that the problem is ill-defined without at least one additional\ntheoretical constraint as input. Using the requirement of a finite source\nlifetime for the latter we find a new Gaussian parametrization of the source\nfunction directly in terms of the measured HBT radius parameters and its\nlifetime, where the latter is a free parameter which is not directly measurable\nby HBT. We discuss the implications of our results for the remaining freedom in\nbuilding source models consistent with a given set of measured HBT radius\nparameters.",
"arxiv_id": "nucl-th/9607037",
"authors": [
"Wu Yuanfang",
"Ulrich Heinz"
],
"categories": [
"nucl-th"
],
"title": "Source Function Determined from HBT Correlations by the Maximum Entropy Principle",
"url": "https://arxiv.org/abs/nucl-th/9607037"
},
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