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In this paper, we investigate Schwarzschild-like black holes within theframework of metric-affine bumblebee gravity. We explore the implications ofsuch a gravitational setup on various astrophysical phenomena, including thepresence of an accretion disk, the deflection angle of light rays, theestablishment of greybody bounds, and the propagation of neutrinos. Themetric-affine bumblebee gravity theory offers a unique perspective ongravitational interactions by introducing a vector field that couples tospacetime curvature. We analyze the behavior of accretion disks aroundSchwarzschild-like black holes in this modified gravity scenario, consideringthe effects of the bumblebee field on the accretion process. Furthermore, wescrutinize the deflection angle of light rays as they traverse thegravitational field, highlighting potential deviations from standardpredictions due to the underlying metric-affine structure. Investigatinggreybody bounds in this context sheds light on the thermal radiation emitted byblack holes and how the modified gravity framework influences this phenomenon.Moreover, we explore neutrino propagation around Schwarzschild-like black holeswithin metric-affine bumblebee gravity, examining alterations in neutrinotrajectories and interactions compared to conventional general relativity. Bycomprehensively probing these aspects, we aim to unravel the distinctivefeatures and consequences of Schwarzschild-like black holes in the context ofmetric-affine bumblebee gravity, offering new insights into the nature ofgravitational interactions and their observable signatures.

journal of cosmology and astroparticle physics

Probing Schwarzschild-like Black Holes in Metric-Affine Bumblebee  Gravity with Accretion Disk, Deflection Angle, Greybody Bounds, and Neutrino  Propagation