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Measurement of dijet angular distributions and search for quark compositeness in pp collisions at √s = 7 TeV.

Abstract:

Dijet angular distributions are measured over a wide range of dijet invariant masses in pp collisions at √s = 7 TeV, at the CERN LHC. The event sample, recorded with the CMS detector, corresponds to an integrated luminosity of 36 pb⁻¹. The data are found to be in good agreement with the predictions of perturbative QCD, and yield no evidence of quark compositeness. With a modified frequentist approach, a lower limit on the contact interaction scale for left-handed quarks of Λ⁺ = 5.6 TeV (Λ⁻ = ...

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Journal:
Phys Rev Lett More from this journal
Volume:
106
Issue:
20
Pages:
201804
Publication date:
2011-05-20
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:172391
UUID:
uuid:0a76b37d-c4f8-404f-a944-825f96cf3af8
Local pid:
pubs:172391
Source identifiers:
172391
Deposit date:
2013-11-16

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