Journal
PHYSICS LETTERS B
Volume 669, Issue 5, Pages 278-286Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2008.09.060
Keywords
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Funding
- DOE
- NSF
- CEA
- FAPERJ
- FAPESP
- FUNDUNESP (Brazil)
- DAE
- DST (India)
- Colciencias (Colombia)
- CONACyT (Mexico)
- KRF
- KOSEF (Korea)
- CONICET
- UBACyT (Argentina)
- FOM (The Netherlands)
- STFC (United Kingdom)
- MSMT
- GACR (Czech Republic)
- CRC Program
- CFI
- NSERC
- WestGrid Project (Canada)
- BMBF
- DFG (Germany)
- SFI (Ireland)
- The Swedish Research Council (Sweden)
- CAS
- CNSF (China)
- Alexander von Humboldt Foundation (Germany)
- STFC [ST/F007418/1, ST/F00754X/1, PP/E000487/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E000487/1, ST/F007418/1, ST/F00754X/1, PP/D004284/1] Funding Source: researchfish
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We present new measurements of differential cross sections for Z/gamma* (-> mu mu) + jet + X production in a 1 fb(-1) data sample collected with the DO detector in p (p) over bar collisions at root 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. (C) 2008 Elsevier B.V. All rights reserved.
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