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Measurement of incl...
Measurement of inclusive jet and dijet production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector
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Aad, Georges (författare)
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- Strandberg, Jonas (författare)
- KTH,Partikel- och astropartikelfysik
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- Lund-Jensen, Bengt (författare)
- KTH,Partikel- och astropartikelfysik
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- Lafaye, Remi (författare)
- KTH,Partikel- och astropartikelfysik
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et, al. (författare)
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(creator_code:org_t)
- 2011
- 2011
- Engelska.
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Ingår i: Physical Review D. - 1550-7998 .- 1550-2368.
- Relaterad länk:
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http://fr.arxiv.org/...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Inclusive jet and dijet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. The cross sections were measured using jets clustered with the anti-kT algorithm with parameters R=0.4 and R=0.6. These measurements are based on the 2010 data sample, consisting of a total integrated luminosity of 37 inverse picobarns. Inclusive jet double-differential cross sections are presented as a function of jet transverse momentum, in bins of jet rapidity. Dijet double-differential cross sections are studied as a function of the dijet invariant mass, in bins of half the rapidity separation of the two leading jets. The measurements are performed in the jet rapidity range |y|<4.4, covering jet transverse momenta from 20 GeV to 1.5 TeV and dijet invariant masses from 70 GeV to 5 TeV. The data are compared to expectations based on next-to-leading order QCD calculations corrected for non-perturbative effects, as well as to next-to-leading order Monte Carlo predictions. In addition to a test of the theory in a new kinematic regime, the data also provide sensitivity to parton distribution functions in a region where they are currently not well-constrained.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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- vet (ämneskategori)
- art (ämneskategori)
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