Measurement of the Underlying Event Activity at the Lhc With ?s = 7 Tev and Comparison With ?s = 0:9 Tev
| dc.contributor.author | Karapınar, Güler | |
| dc.contributor.author | Demir, Durmuş Ali | |
| dc.coverage.doi | 10.1007/JHEP09(2011)109 | |
| dc.date.accessioned | 2017-02-27T11:56:08Z | |
| dc.date.available | 2017-02-27T11:56:08Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | A measurement of the underlying activity in events with a jet of transverse momentum in the several GeV region is performed in proton-proton collisions at √ s = 0:9 and 7TeV, using data collected by the CMS experiment at the LHC. The production of charged particles with pseudorapidity |η|<2 and transverse momentum pT >0:5 GeV/c is studied in the azimuthal region transverse to that of the leading set of charged particles forming a track-jet. A significant growth of the average multiplicity and scalar-pT sum of the particles in the transverse region is observed with increasing pT of the leading trackjet, followed by a much slower rise above a few GeV/c. For track-jet pT larger than a few GeV/c, the activity in the transverse region is approximately doubled with a centreof- mass energy increase from 0:9 to 7TeV. Predictions of several QCD-inspired models as implemented in pythia are compared to the data. | en_US |
| dc.description.sponsorship | The Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority | en_US |
| dc.identifier.citation | Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M.,...CMS Collaboration (2011). Measurement of the underlying event activity at the LHC with √s = 7 TeV and comparison with √s = 0:9 TeV. Journal of High Energy Physics, 2011. doi:10.1007/JHEP09(2011)109 | en_US |
| dc.identifier.doi | 10.1007/JHEP09(2011)109 | en_US |
| dc.identifier.doi | 10.1007/JHEP09(2011)109 | en_US |
| dc.identifier.issn | 1029-8479 | |
| dc.identifier.issn | 1029-8479 | |
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| dc.identifier.uri | http://doi.org/10.1007/JHEP09(2011)109 | |
| dc.identifier.uri | https://hdl.handle.net/11147/4915 | |
| dc.language.iso | en | en_US |
| dc.publisher | Springer Verlag | en_US |
| dc.relation.ispartof | Journal of High Energy Physics | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Hadron-hadron scattering | en_US |
| dc.subject | Compact Muon Solenoid | en_US |
| dc.subject | Large Hadron Collider (LHC) | en_US |
| dc.subject | CMS detectors | en_US |
| dc.subject | High energy physics | en_US |
| dc.title | Measurement of the Underlying Event Activity at the Lhc With ?s = 7 Tev and Comparison With ?s = 0:9 Tev | en_US |
| dc.type | Article | en_US |
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| gdc.description.department | İzmir Institute of Technology. Physics | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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| gdc.oaire.keywords | Large Hadron Collider (LHC) | |
| gdc.oaire.keywords | LHC; PHYSICS; CMS; Underlying event | |
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| gdc.oaire.keywords | LHC; CMS; PROTON-PROTON COLLISIONS; 7 TEV; UNDERLYING EVENT | |
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