Khachatryan, V;
Sirunyan, AM;
Tumasyan, A;
Adam, W;
Bergauer, T;
Dragicevic, M;
Ero, J;
... CMS Collaboration; + view all
(2011)
Measurement of Dijet Angular Distributions and Search for Quark Compositeness in pp Collisions at root s=7 TeV.
PHYS REV LETT
, 106
(20)
, Article 201804. 10.1103/PhysRevLett.106.201804.
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Abstract
Dijet angular distributions are measured over a wide range of dijet invariant masses in pp collisions at root 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 Lambda(+) = 5.6 TeV (Lambda(-) = 6.7 TeV) for destructive (constructive) interference is obtained at the 95% confidence level.
| Type: | Article |
|---|---|
| Title: | Measurement of Dijet Angular Distributions and Search for Quark Compositeness in pp Collisions at root s=7 TeV |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.106.201804 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.106.201804 |
| Language: | English |
| Additional information: | © 2011 CERN, for the CMS Collaboration |
| Keywords: | COLLIDER, DETECTOR, PHYSICS, LIMIT |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1324754 |
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