期刊
PHYSICS LETTERS B
卷 722, 期 4-5, 页码 238-261出版社
ELSEVIER
DOI: 10.1016/j.physletb.2013.04.025
关键词
CMS; Physics; Event shape; QCD
资金
- BMWF (Austria)
- FWF (Austria)
- FNRS (Belgium)
- FWO (Belgium)
- CNPq (Brazil)
- CAPES (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- MEYS (Bulgaria)
- CERN
- CAS (China)
- MoST (China)
- NSFC (China)
- COLCIENCIAS (Colombia)
- MSES (Croatia)
- RPF (Cyprus)
- MoER (Estonia) [SF0690030s09]
- ERDF (Estonia)
- Academy of Finland (Finland)
- MEC (Finland)
- HIP (Finland)
- CEA (France)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- GSRT (Greece)
- OTKA (Hungary)
- NKTH (Hungary)
- DAE (India)
- DST (India)
- IPM (Iran)
- SFI (Ireland)
- INFN (Italy)
- NRF (Republic of Korea)
- WCU (Republic of Korea)
- LAS (Lithuania)
- CINVESTAV (Mexico)
- CONACYT (Mexico)
- SEP (Mexico)
- UASLP-FAI (Mexico)
- MSI (New Zealand)
- PAEC (Pakistan)
- MSHE (Poland)
- NSC (Poland)
- FCT (Portugal)
- JINR (Armenia)
- JINR (Belarus)
- JINR (Georgia)
- JINR (Ukraine)
- JINR (Uzbekistan)
- MON (Russia)
- RosAtom (Russia)
- RAS (Russia)
- RFBR (Russia)
- MSTD (Serbia)
- SEIDI (Spain)
- CPAN (Spain)
- Swiss Funding Agencies (Switzerland)
- NSC (Taipei)
- ThEPCenter (Thailand)
- IPST (Thailand)
- NSTDA (Thailand)
- TUBITAK (Turkey)
- TAEK (Turkey)
- NASU (Ukraine)
- STFC (United Kingdom)
- DOE (USA)
- NSF (USA)
- Science and Technology Facilities Council [ST/F007094/1, ST/L00609X/1, ST/I505572/1, ST/J004901/1, ST/K003844/1, ST/K001604/1 LHCb Upgrades, ST/K001604/1, GRIDPP, ST/K003844/1 GRIDPP, ST/H000925/1, ST/K001604/1 MICE/UKNF, ST/K001604/1 GRIDPP, ST/K001604/1 LHCb, ST/J005665/1, ST/K001604/1 SuperNEMO, ST/K001256/1, ST/K001604/1 DMUK, ST/F007434/1, ST/K001604/1 T2K, CMS, ST/K001639/1, ST/I505580/1, ST/I005912/1 GRIDPP, ST/I005912/1, ST/I003622/1 GRIDPP, ST/L00609X/1 GRIDPP, ST/K001604/1 CMS Upgrade] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1211067, 1205960, 1151640] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969555] Funding Source: National Science Foundation
- STFC [ST/I005912/1, ST/H000925/1, ST/I505580/1, ST/L00609X/1, ST/K001639/1, ST/H00081X/2, ST/K001604/1, ST/K003844/1, ST/F007434/1, ST/I505572/1, ST/J004901/1, ST/F007094/1, ST/J005665/1] Funding Source: UKRI
Measurements of event shapes and azimuthal correlations are presented for events where a Z boson is produced in association with jets in proton-proton collisions. The data collected with the CMS detector at the CERN LHC at root s = 7 TeV correspond to an integrated luminosity of 5.0 fb(-1). The analysis provides a test of predictions from perturbative QCD for a process that represents a substantial background to many physics channels. Results are presented as a function of jet multiplicity, for inclusive Z boson production and for Z bosons with transverse momenta greater than 150 GeV, and compared to predictions from Monte Carlo event generators that include leading-order multiparton matrix-element (with up to four hard partons in the final state) and next-to-leading-order simulations of Z + 1-jet events. The experimental results are corrected for detector effects, and can be compared directly with other QCD models. (c) 2013 CERN. Published by Elsevier B.V. All rights reserved.
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