Compact Muon Solenoid
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| CMS-EXO-11-025 ; CERN-PH-EP-2012-294 | ||
| Search for anomalous production of highly boosted Z bosons decaying to $\mu^+\mu^-$ in proton–proton collisions at $\sqrt{s}$ = 7 TeV | ||
| CMS Collaboration | ||
| 2 October 2012 | ||
| Phys. Lett. B 722 (2013) 28-47 | ||
| Abstract: Results are reported from a search for the anomalous production of highly boosted Z bosons with large transverse momentum and decaying to the dimuon final state. Such Z bosons may be produced in the decays of new heavy particles. The search uses pp collision data at $\sqrt{s}$ = 7 TeV, corresponding to an integrated luminosity of 5.0 inverse femtobarns recorded with the CMS detector. The shape of the observed transverse-momentum distribution of Z bosons is consistent with standard-model expectations. Constraints are obtained on models predicting the production of excited quarks decaying via electroweak processes. For excited-quark decays involving only standard-model gauge bosons and coupling strengths, masses of excited quarks below 1.94 TeV are excluded at the 95% confidence level, assuming a compositeness scale equal to the excited-quark mass. For excited-quark production via novel contact interactions, masses below 2.22 TeV are excluded, even if the excited quarks do not couple to gluons. | ||
| Links: e-print arXiv:1210.0867 [hep-ex] (PDF) ; CDS record ; inSPIRE record ; Public twiki page ; CADI line (restricted) ; | ||
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Compact Muon Solenoid LHC, CERN |
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