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Search for anomalous production of multiple leptons in association withWandZbosons at CDF
- Source :
- Physical Review D. 85
- Publication Year :
- 2012
- Publisher :
- American Physical Society (APS), 2012.
-
Abstract
- This paper presents a search for anomalous production of multiple low-energy leptons in association with a W or Z boson using events collected at the CDF experiment corresponding to 5.1 fb{sup -1} of integrated luminosity. This search is sensitive to a wide range of topologies with low-momentum leptons, including those with the leptons near one another. The observed rates of production of additional electrons and muons are compared with the standard model predictions. No indications of phenomena beyond the standard model are found. A 95% confidence level limit is presented on the production cross section for a benchmark model of supersymmetric hidden-valley Higgs production. Particle identification efficiencies are also provided to enable the calculation of limits on additional models.
- Subjects :
- Physics
Nuclear and High Energy Physics
Particle physics
Muon
010308 nuclear & particles physics
Physics beyond the Standard Model
High Energy Physics::Phenomenology
01 natural sciences
Particle identification
Standard Model
Nuclear physics
W and Z bosons
0103 physical sciences
Higgs boson
High Energy Physics::Experiment
010306 general physics
Boson
Lepton
Subjects
Details
- ISSN :
- 15502368 and 15507998
- Volume :
- 85
- Database :
- OpenAIRE
- Journal :
- Physical Review D
- Accession number :
- edsair.doi...........e5c19d09801738d7d4cad56ff686cad7