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Measurement of differential Z/γ∗+jet+X cross sections in pp¯ collisions at s=1.96 TeV
- Source :
- Physics Letters B. 669:278-286
- Publication Year :
- 2008
- Publisher :
- Elsevier BV, 2008.
-
Abstract
- We present new measurements of differential cross sections for Z/gamma*(->mumu)+jet+X production in a 1 fb-1 data sample collected with the D0 detector in proton anti-proton collisions at sqrt{s}=1.96 TeV. Results include the first measurements differential in the Z/gamma* transverse momentum and rapidity, as well as new measurements differential in the leading jet transverse momentum and rapidity. Next-to-leading order perturbative QCD predictions are compared to the measurements, and reasonable agreement is observed, except in the region of low Z/gamma* transverse momentum. Predictions from two event generators based on matrix elements and parton showers, and one pure parton shower event generator are also compared to the measurements. These show significant overall normalization differences to the data and have varied success in describing the shape of the distributions.
- Subjects :
- Quantum chromodynamics
Physics
Nuclear and High Energy Physics
Jet (fluid)
Particle physics
Proton
010308 nuclear & particles physics
Astrophysics::High Energy Astrophysical Phenomena
Perturbative QCD
Parton
01 natural sciences
Nuclear physics
0103 physical sciences
High Energy Physics::Experiment
Rapidity
Nuclear Experiment
010306 general physics
Parton shower
Event generator
Subjects
Details
- ISSN :
- 03702693
- Volume :
- 669
- Database :
- OpenAIRE
- Journal :
- Physics Letters B
- Accession number :
- edsair.doi...........101b39ab66777076e867c9fdb8f2cd67