What tell us LHC data about Higgs boson parity

Abstract

Recently CMS and ATLAS announced that they had measured the Higgs boson parity. Here we note that their approach can determine this parity only under the additional assumption that this particle has a definite parity. If parity conservation is violated in the Higgs sector, the parity of observed "Higgs" boson does not exist. The approach used in the mentioned experiments does not allow to observe such opportunity. In this sense titles of mentioned CMS and ATLAS publications are misleading.

arXiv comment4 pages

References in corpus (11)

• Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC $pp$ collision data at $\sqrt{s}=$ 7 and 8 TeV
• Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs
• Constraints on the spin-parity and anomalous HVV couplings of the Higgs boson in proton collisions at 7 and 8 TeV
• On the spin and parity of a single-produced resonance at the LHC
• Study of the spin and parity of the Higgs boson in diboson decays with the ATLAS detector
• Higgs Working Group Report of the Snowmass 2013 Community Planning Study
• Prospective Analysis Spin- and CP-sensitive Variables in H -> ZZ -> l_1 l_1 l_2 l_2 with Atlas
• Determination of spin and parity of the Higgs boson in the $W{W}^{\ast }\to e\nu \mu \nu$ decay channel with the ATLAS detector
• 2HDM in terms of observable quantities
• Large pseudo-scalar components in the C2HDM
• Two-photon Higgs width and triple Higgs coupling in 2HDM at SM-like scenario

Cited by in corpus (1)

• A simple criterium for CP conservation in the most general 2HDM