Revisiting Supernova 1987A Limits on Axion-Like-Particles

Abstract

Using recent supernova models, I revisit the Supernova 1987a constraints on scalar/pseudoscalar Axion-Like-Particles (ALPs). On the basis of the neutrino detections, the luminosity of ALPs must be $\lesssim 5\times 10^{52}\mathrm{erg}/s$ after the core-bounce, and this bound limits ALPs couplings. Contrary to the QCD axion models where all couplings are $\sim 1/f_a$, it has been shown recently that a radion/dilaton could have far different coupling strength to photons and to nucleons. This fact has raised a need to establish the limits on each coupling independently. The bounds from ALPs emission by nucleon-nucleon bremsstrahlung through a two-nucleon coupling and by the Primakoff process through a two-photon coupling are updated considering the total volume emission. I find the bounds on the two-photon coupling from the Primakoff process differ from previous bounds by an order of magnitude. Through the volume emission study, trapping regimes for $m_a\gtrsim 10\mathrm{MeV}$ are also alleviated, which need to be probed by future experiments.

15 pages, 7 figures

References in corpus (5)

• Revisiting the SN1987A gamma-ray limit on ultralight axion-like particles
• Light Dark Matter: Models and Constraints
• Revised constraints and Belle II sensitivity for visible and invisible axion-like particles
• Radion Phenomenology in Realistic Warped Space Models
• Impact of Nucleon-Nucleon Bremsstrahlung Rates Beyond One-Pion Exchange

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• Searching for Elusive Dark Sectors with Terrestrial and Celestial Observations
• Challenges for a QCD Axion at the 10 MeV Scale
• Light scalar explanation for 18 TeV GRB 221009A
• Gravity-Mediated SUSY Breaking, R Symmetry and Hyperbolic Kaehler Geometry
• SUSY-Breaking Scenarios With a Mildly Violated R Symmetry
• Heavy axion-like particles and MeV decay photons from nearby type Ia supernovae
• Induced Circular Polarization on Photons Due to Interaction with Axion-Like Particles in Rotating Magnetic Field of Neutron Stars