Large Neutrino Secret Interactions, Small Impact on Supernovae

Abstract

When hypothetical neutrino secret interactions ($\nu$SI) are large, they form a fluid in a supernova (SN) core, flow out with sonic speed, and stream away as a fireball. For the first time, we tackle the complete dynamical problem and solve all steps, systematically using relativistic hydrodynamics. The impact on SN physics and the neutrino signal is remarkably small. For complete thermalization within the fireball, the observable spectrum changes in a way that is independent of the coupling strength. One potentially large effect beyond our study is quick deleptonization if $\nu$SI violate lepton number. By present evidence, however, SN physics leaves open a large region in parameter space, where laboratory searches and future high-energy neutrino telescopes will probe $\nu$SI.

Version accepted in PRL, added Supplemental Material with derivation of fluid equations and comparison with previous literature; 5 pages, 3 figures, plus Supplemental Material

References in corpus (11)

• Muon Creation in Supernova Matter Facilitates Neutrino-driven Explosions
• A systematic study of proto-neutron star convection in three-dimensional core-collapse supernova simulations
• Fast Neutrino Flavor Conversions can Help and Hinder Neutrino-Driven Explosions
• Fast Neutrino Flavor Conversion in Core-Collapse Supernovae: A Parametric Study in 1D Models
• Axion-sourced fireballs from supernovae
• Strong Supernova 1987A Constraints on Bosons Decaying to Neutrinos
• Supernova Constraints on Massive (Pseudo)Scalar Coupling to Neutrinos
• Probing non-standard neutrino interactions with a light boson from next galactic and diffuse supernova neutrinos
• Towards Powerful Probes of Neutrino Self-Interactions in Supernovae
• Supernova Emission of Secretly Interacting Neutrino Fluid: Theoretical Foundations
• Constraints from the duration of supernova neutrino burst on on-shell light gauge boson production by neutrinos

Cited by in corpus (24)

• Supernova Emission of Secretly Interacting Neutrino Fluid: Theoretical Foundations
• Self-Interacting Neutrinos in Light of Large-Scale Structure Data
• Strong constraints on a simple self-interacting neutrino cosmology
• New Laboratory Constraints on Neutrinophilic Mediators
• First constraints on non-minimally coupled Natural and Coleman-Weinberg inflation and massive neutrino self-interactions with Planck+BICEP/Keck
• NuSTAR bounds on radiatively decaying particles from M82
• Black Holes as Fermion Factories
• Gravitational memory signal from neutrino self-interactions in supernova
• Supernova Neutrinos: flavour conversion mechanisms and new physics scenarios
• Fireball anti-nucleosynthesis
• Shedding light on neutrino self-interactions with solar antineutrino searches
• Non-conservation of Lepton Numbers in the Neutrino Sector Could Change the Prospects for Core Collapse Supernova Explosions
• Probing Long-Range Forces Between Neutrinos with Cosmic Structures
• Impostor Among $\nu$s: Dark Radiation Masquerading as Self-Interacting Neutrinos
• Resonant neutrino self-interactions: Insights from the full shape galaxy power spectrum
• Gravitational-Wave Signatures of Nonstandard Neutrino Properties in Collapsing Stellar Cores
• Widen the Resonance: Probing a New Regime of Neutrino Self-Interactions with Astrophysical Neutrinos
• Testing the dark side of neutrino oscillations with the solar neutrino fog at Dark Matter experiments
• Scalarful double beta decay
• Helicity-changing Decays of Cosmological Relic Neutrinos
• Small Progenitors, Large Couplings: Type Ic Supernova Constraints on Radiatively Decaying Particles
• Cosmic Overture Echoed in a Stellar Final Act: Implications of Nanohertz Gravitational Waves for Core Collapse Supernova Neutrinos
• Constraining self-interacting ultrahigh-energy muon neutrinos by cosmic microwave background spectral distortion
• Supernova $\nu$ flavour conversions in DUNE: the slow, the fast and the standard