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First measurement of the underlying event activity at the LHC with root s=0.9 TeV

Abstract:

A measurement of the underlying activity in scattering processes with pT scale in the GeV region is performed in proton-proton collisions at √ = 0.9 TeV, using data collected by the CMS experiment at the LHC. Charged particle production is studied with reference to the direction of a leading object, either a charged particle or a set of charged particles forming a jet. Predictions of several QCD-inspired models as implemented in PYTHIA are compared, after full detector simulation, to the data...

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Publication status:
Published

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Authors


Khachatryan, V More by this author
Sirunyan, AM More by this author
Tumasyan, A More by this author
Bergauer, T More by this author
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Journal:
EUROPEAN PHYSICAL JOURNAL C
Volume:
70
Issue:
3
Pages:
555-572
Publication date:
2010-12-05
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
URN:
uuid:6e0ccbd4-54fa-4751-aaeb-820a0a7857ba
Source identifiers:
116061
Local pid:
pubs:116061
Language:
English

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