Neutrino experiments lie at the edge of intensity frontier and therefore can be exploited to search for new light particles weakly coupled visible sector. In this work we derive constraints on axion-like (ALPs) using data from MicroBooNE experiment, a $e^+ e^-$ pairs pointing in direction NuMI absorber. particular, consider addition higher-dimensional effective operators coupling ALP electrowea...

Axion-like particles (ALPs) are a class of hypothetical pseudo-scalar and can be created in hot astrophysical plasma through the interaction between photons. I calculate production ALPs type Ia supernovae. It is found that many lighter than few MeV produced Once produced, heavy decay into photons during propagation interstellar space. flux find it may detected by future γ-ray telescopes if supe...