期刊
EUROPEAN PHYSICAL JOURNAL A
卷 40, 期 3, 页码 267-273出版社
SPRINGER
DOI: 10.1140/epja/i2009-10792-7
关键词
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We work out a superstatistical description of high-energy scattering processes that takes into account temperature fluctuations in small-volume elements. For Gamma-distributed fluctuations of the inverse temperature one effectively obtains a generalized statistical mechanics of Tsallis type, whereas for other temperature distributions more general superstatistical models arise. We consider two main examples: Scattering processes of cosmic ray particles and e(+)e(-) annihilation processes. In both cases one obtains excellent fits of experimentally measured energy spectra and cross-sections.
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