EUSO-SPB2 sensitivity to macroscopic dark matter
June 24, 2021
Macroscopic dark matter (or macro) provides a broad class of alternative candidates to particle dark
matter. These candidates would transfer energy primarily through elastic scattering, and this linear
energy deposition would produce observable signals if a macro were to traverse the atmosphere.
We study the fluorescence emission produced by a macro passing through the atmosphere. We
estimate the sensitivity of EUSO-SPB2 to constrain the two-dimensional parameter space (σ vs.
M), where M is the macro mass and σ its cross sectional area.
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