Search for W' decaying to tau lepton and neutrino in proton-proton collisions at sqrt(s) = 8 TeV
(2016) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. B755, p. 196-216 (2016)
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- Abstract
- The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 inverse femtobarns of LHC data at sqrt(s) = 8 TeV. A signal would appear as an excess of events in kinematic regions where the standard model background is low. No excess is observed. Limits are set on a model in which the W' decays preferentially to fermions of the third generation. These results substantially extend previous constraints on this model. Masses below 2.0 to 2.7 TeV are excluded, depending on the model parameters. In addition, the existence of a W' boson with universal fermion couplings is excluded at 95% confidence level, for W' masses below 2.7 TeV.
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Citations
CMS, Basegmez, S., Beluffi, C., Bondu, O., Brochet, S., Bruno, G., Castello, R., Caudron, A., Ceard, L., Da Silveira, G. G., Delaere, C., Favart, D., Forthomme, L., Giammanco, A., Hollar, J., Jafari, A., Jez, P., Komm, M., Lemaitre, V., et al. (2016). Search for W’ decaying to tau lepton and neutrino in proton-proton collisions at sqrt(s) = 8 TeV. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, B755, 196-216. https://doi.org/10.1016/j.physletb.2016.02.002 (Original work published 2016)