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arxiv: 1204.1508 · v3 · pith:AJKLM3XJnew · submitted 2012-04-06 · ✦ hep-ph

Microcanonical Jet-fragmentation in proton-proton collisions at LHC Energy

classification ✦ hep-ph
keywords modelcollisionsenergyjet-fragmentationmicrocanonicalproton-protonannihilationsbarnaf
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In this paper, we show that the distribution of the longitudinal momentum fraction of charged hadrons $dN/dz$ inside jets stemming from proton-proton collisions at $\sqrt{s}$ = 7 TeV center of mass energy can be described by a statistical jet-fragmentation model. This model combines microcanonical statistics and super-statistics induced by multiplicity fluctuations. The resulting scale dependence of the parameters of the model turns out to be similar to what was observed in electron-positron annihilations in Urmossy, Barnaf\"oldi, and Bir\'o.

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