
TL;DR
This paper explores how ultrarelativistic Higgs bubble collisions in the early Universe could serve as a cosmic-scale collider, enabling the study of physics at energies near the Planck scale and offering insights into dark matter and leptogenesis.
Contribution
It introduces the concept of a cosmic Higgs collider through Higgs bubble collisions, revealing new pathways to probe high-scale physics beyond current experimental reach.
Findings
Potential to produce ultra-heavy Higgs portal dark matter up to 10^{16} GeV
Feasibility of leptogenesis from GUT scale right-handed neutrinos
Access to energy scales near the Planck scale via cosmological phenomena
Abstract
This paper examines frameworks and phenomenology of ultrarelativistic Higgs vacuum bubble collisions in a first-order phase transition associated with the Standard Model Higgs field in the early Universe. Such collisions act as a cosmic scale Higgs collider, providing access to energy scales far beyond any temperature reached in our cosmic history, potentially up to the Planck scale. This provides a unique opportunity to probe new physics that couples to the Higgs at very high scales, while also enabling novel applications for various cosmological phenomena, opening tremendous opportunities for particle physics and cosmology. As examples, we demonstrate the viability of nonthermal production of ultra-heavy Higgs portal dark matter up to GeV (with observable indirect and direct detection signals up to TeV), and leptogenesis from the production of GUT scale…
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Dark Matter and Cosmic Phenomena · Neutrino Physics Research
