Abstract
A study is presented of the mass and spin-parity of the new boson recently observed at the LHC at a mass near 125 GeV. An integrated luminosity of , collected by the CMS experiment in proton-proton collisions at center-of-mass energies of 7 and 8 TeV, is used. The measured mass in the channel, where both bosons decay to or pairs, is . The angular distributions of the lepton pairs in this channel are sensitive to the spin-parity of the boson. Under the assumption of spin 0, the present data are consistent with the pure scalar hypothesis, while disfavoring the pure pseudoscalar hypothesis.
- Received 29 December 2012
DOI:https://doi.org/10.1103/PhysRevLett.110.081803
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© 2013 CERN, for the CMS Collaboration
Erratum
Erratum: Study of the Mass and Spin-Parity of the Higgs Boson Candidate via Its Decays to Boson Pairs [Phys. Rev. Lett. 110, 081803 (2013)]
S. Chatrchyan (CMS Collaboration)
Phys. Rev. Lett. 110, 189901 (2013)
Synopsis
Higgs-like Particle in a Mirror
Published 21 February 2013
The particle thought to be the Higgs boson seems likely to pass an important identity check.
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