Search for High Mass Resonances Decaying to Muon Pairs in √s=1.96 TeV pp̅ Collisions
Author(s)
Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Makhoul, Khaldoun; Paus, Christoph M. E.; Bauer, Gerry P
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We present a search for a new narrow, spin-1, high mass resonance decaying to μ+μ-+X [mu superscript + mu superscript - + X], using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6 fb-1 [fb superscript -1] of integrated luminosity collected by the CDF detector in pp̅ collisions at √s=1960 [square root of s=1960] GeV, the most likely signal cross section is consistent with zero at 16% confidence level. We therefore do not observe evidence for a high mass resonance and place limits on models predicting spin-1 resonances, including M>1071 GeV/c2 [GeV / c superscript 2] at 95% confidence level for a Z′ [Z prime] boson with the same couplings to fermions as the Z boson.
Date issued
2011-03Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical review letters
Publisher
American Physical Society
Citation
Aaltonen, T. et al. (CDF Collaboration) "Search for High Mass Resonances Decaying to Muon Pairs in √s=1.96 TeV pp̅ Collisions" Phys. Rev. Lett. 106, 121801 (2011) © 2011 American Physical Society
Version: Final published version
ISSN
0031-9007