期刊
PHYSICS LETTERS B
卷 704, 期 5, 页码 434-441出版社
ELSEVIER
DOI: 10.1016/j.physletb.2011.09.048
关键词
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资金
- DOE
- NSF (USA)
- CEA
- CNRS/IN2P3 (France)
- FASI
- Rosatom
- RFBR (Russia)
- CNPq
- FAPERJ
- FAPESP
- FUNDUNESP (Brazil)
- DAE
- DST (India)
- Colciencias (Colombia)
- CONACyT (Mexico)
- KRF
- KOSEF (Korea)
- CONICET
- UBACyT (Argentina)
- FOM (The Netherlands)
- STFC
- Royal Society (United Kingdom)
- MSMT
- GACR (Czech Republic)
- CRC
- NSERC (Canada)
- BMBF
- DFG (Germany)
- SFI (Ireland)
- Swedish Research Council (Sweden)
- CAS
- CNSF (China)
- STFC [ST/H00095X/2, ST/I505756/1, ST/H00095X/1, ST/F007418/1, ST/J501074/1, ST/H001166/1, PP/F000863/1, ST/F00754X/1, PP/E000487/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E000487/1, ST/J501074/1, ST/H00095X/1, PP/D004284/1, ST/F00754X/1, ST/I505756/1, ST/F007418/1, PP/F000863/1, ST/H001166/1, ST/H00095X/2] Funding Source: researchfish
- ICREA Funding Source: Custom
We present the first measurement of the inclusive three-jet differential cross section as a function of the invariant mass of the three jets with the largest transverse momenta in an event in p (p) over bar collisions at root s = 1.96 TeV. The measurement is made in different rapidity regions and for different jet transverse momentum requirements and is based on a data set corresponding to an integrated luminosity of 0.7 fb(-1) collected with the DO detector at the Fermilab Tevatron Collider. The results are used to test the three-jet matrix elements in perturbative QCD calculations at next-to-leading order in the strong coupling constant. The data allow discrimination between parametrizations of the parton distribution functions of the proton. (C) 2011 Elsevier B.V. All rights reserved.
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