Higgsplosion: solving the hierarchy problem via rapid decays of heavy states into multiple Higgs bosons

DOI10.1016/J.NUCLPHYSB.2017.11.002zbMATH Open1380.81476arXiv1704.03447OpenAlexW2606849379MaRDI QIDQ1695927

Author name not available (Why is that?)

Publication date: 14 February 2018

Published in: (Search for Journal in Brave)

Abstract: We introduce and discuss two inter-related mechanisms operative in the electroweak sector of the Standard Model at high energies. Higgsplosion, the first mechanism, occurs at some critical energy in the 25 to 10^3 TeV range, and leads to an exponentially growing decay rate of highly energetic particles into multiple Higgs bosons. We argue that this a well-controlled non-perturbative phenomenon in the Higgs-sector which involves the final state Higgs multiplicities n in the regime n lambda >> 1 where lambda is the Higgs self-coupling. If this mechanism is realised in nature, the cross-sections for producing ultra-high multiplicities of Higgs bosons are likely to become observable and even dominant in this energy range. At the same time, however, the apparent exponential growth of these cross-sections at even higher energies will be tamed and automatically cut-off by a related Higgspersion mechanism. As a result, and in contrast to previous studies, multi-Higgs production does not violate perturbative unitarity. Building on this approach, we then argue that the effects of Higgsplosion alter quantum corrections from very heavy states to the Higgs boson mass. Above a certain energy, which is much smaller than their masses, these states would rapidly decay into multiple Higgs bosons. The heavy states become unrealised as they decay much faster than they are formed. The loop integrals contributing to the Higgs mass will be cut off not by the masses of the heavy states, but by the characteristic loop momenta where their decay widths become comparable to their masses. Hence, the cut-off scale would be many orders of magnitude lower than the heavy mass scales themselves, thus suppressing their quantum corrections to the Higgs boson mass.

Full work available at URL: https://arxiv.org/abs/1704.03447

Mathematics Subject Classification ID

No records found.

This page was built for publication: Higgsplosion: solving the hierarchy problem via rapid decays of heavy states into multiple Higgs bosons

Report a bug (only for logged in users!)Click here to report a bug for this page (MaRDI item Q1695927)