Cosmic Overture Echoed in a Stellar Final Act: Implications of Nanohertz Gravitational Waves for Core Collapse Supernova Neutrinos

arXiv:2510.23713 · hep-ph, astro-ph.CO, astro-ph.HE · Submitted 2025-10-27 · Read on arXiv

hep-ph, astro-ph.CO, astro-ph.HE

Submitted: 2025-10-27

Updated: 2026-09-13

Comments: 10 pages, 2 figures. Matches the version accepted in PLB

Journal ref: Phys.Lett.B 881 (2026) 140922

DOI: 10.1016/j.physletb.2026.140922

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 29× in this paper · explained in 2 episodes
• Phase Transitions — 7× in this paper · explained in 2 episodes
• Big Bang Nucleosynthesis — 4× in this paper
• Reheating — 4× in this paper · explained in 2 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Standard Model — 3× in this paper
• Decoupling — 2× in this paper · explained in 2 episodes
• pulsar timing arrays — 2× in this paper · explained in 2 episodes
• Ab Initio — 1× in this paper · explained in 1 episode
• Domain Walls — 1× in this paper · explained in 2 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes

Sources

• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• The Parkes Pulsar Timing Array Project
• High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array
• The International Pulsar Timing Array: Second data release
• The NANOGrav 12.5-year Data Set: Search For An Isotropic Stochastic Gravitational-Wave Background
• Common-red-signal analysis with 24-yr high-precision timing of the European Pulsar Timing Array: Inferences in the stochastic gravitational-wave background search
• On the evidence for a common-spectrum process in the search for the nanohertz gravitational-wave background with the Parkes Pulsar Timing Array
• The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background
• Ultra-Low Frequency Gravitational Radiation from Massive Black Hole Binaries
• Gravitational Waves Probe the Coalescence Rate of Massive Black Hole Binaries
• Low-Frequency Gravitational Waves from Massive Black Hole Binaries: Predictions for LISA and Pulsar Timing Arrays
• Gravitational Waves from Supermassive Black Hole Coalescence in a Hierarchical Galaxy Formation Model
• Systematic investigation of the expected gravitational wave signal from supermassive black hole binaries in the pulsar timing band
• Gravitational waves and stalled satellites from massive galaxy mergers at z <= 1
• The Astrophysics of Nanohertz Gravitational Waves
• The origins of massive black holes
• Gravitational Radiation from First-Order Phase Transitions
• The NANOGrav 15-year Data Set: Search for Signals from New Physics
• Supercooled Dark Scalar Phase Transitions explanation of NANOGrav data
• Gravitational waves from a dilaton-induced, first-order QCD phase transition

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