期刊
PHYSICAL REVIEW D
卷 82, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.82.034001
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资金
- U.S. Department of Energy
- Italian Istituto Nazionale di Fisica Nucleare
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Natural Sciences and Engineering Research Council of Canada
- National Science Council of the Republic of China
- Swiss National Science Foundation
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- Korean Science and Engineering Foundation
- Korean Research Foundation
- Science and Technology Facilities Council
- Royal Society, United Kingdom
- Institut National de Physique Nucleaire et Physique des Particules/CNRS
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion, Spain
- Slovak RD Agency
- Academy of Finland
- National Science Foundation
- STFC [ST/H001026/1, ST/H001069/1, ST/H001077/1, ST/H001026/2] Funding Source: UKRI
- Science and Technology Facilities Council [ST/H001026/2, ST/H001026/1, ST/H001069/1, ST/H001077/1, PP/E000444/1] Funding Source: researchfish
We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles produced in association with a large transverse momentum jet (similar to 2: 2 fb(-1)) or with a Drell-Yan lepton pair (similar to 2.7 fb(-1)) in the Z-boson mass region [70 < M(pair) < 110 GeV/c(2)] as measured by CDF at 1.96 TeV center-of-mass energy. We use the direction of the lepton pair or the leading jet in each event to define regions of eta-phi space that are sensitive to the modeling of the underlying event. The data are corrected to the particle level to remove detector effects and are then compared with several QCD Monte Carlo models.
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