Multiplicity of (mini-)jets at small x
We derive closed expressions for the mean and variance of the (mini-)jet multiplicity distribution in hard scattering processes at low x . Here (mini-)jets are defined as those due to initial-state radiation of gluons with transverse momenta greater than some resolution scale μ R , where Λ 2 <<...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 September 1999
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| In: |
Journal of high energy physics
Year: 1999, Heft: 8 |
| ISSN: | 1029-8479 |
| DOI: | 10.1088/1126-6708/1999/08/019 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1088/1126-6708/1999/08/019 Verlag, kostenfrei, Volltext: http://stacks.iop.org/1126-6708/1999/i=08/a=019 
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| Verfasserangaben: | Carlo Ewerz and Bryan R. Webber |
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| 520 | |a We derive closed expressions for the mean and variance of the (mini-)jet multiplicity distribution in hard scattering processes at low x . Here (mini-)jets are defined as those due to initial-state radiation of gluons with transverse momenta greater than some resolution scale μ R , where Λ 2 << μ R 2 << Q 2 , Λ being the intrinsic QCD scale and Q the momentum transfer scale of the hard scattering. Our results are valid to leading order in log (1/ x ) but include all sub-leading logarithms of Q 2 /μ R 2 . As an illustration, we predict the mini-jet multiplicity in Higgs boson production at the Large Hadron Collider. | ||
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