\(\Phi\)-measure of event-by-event fluctuations (Q5935150)
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scientific article; zbMATH DE number 1608246
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | \(\Phi\)-measure of event-by-event fluctuations |
scientific article; zbMATH DE number 1608246 |
Statements
\(\Phi\)-measure of event-by-event fluctuations (English)
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20 June 2001
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When the fluctuations of various quantities characterizing the nucleus-nucleus collisions are considered, one faces a problem how to disentangle the `dynamical' fluctuations of interest form the trivial ones caused by the impact parameter variation. The so-called \(\Phi\)-measure, which has been introduced in the series of our papers, offers a solution to the problem. We discuss the NA49 measurement of \(p_T\)-fluctuations and show that the fluctuations in the central Pb-Pb collisions are mostly due to the quantum statistics of pions.
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nucleus-nucleus collisions
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dynamical fluctuation disentanglement
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impact parameter variation
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