仙女座晕半球间γ辐射可能不对称的理论指示，这是由于来自晕中假设源的电子上的康普顿散射
Theoretical indication of a possible asymmetry in gamma-radiation between Andromeda halo hemispheres due to Compton scattering on electrons from their hypothetical sources in the halo
摘要：
暗物质（DM）可以产生可观察到的效应，衰变或湮灭产生电子或/和光子。这种可能性在我们的银河系中得到了广泛的研究。在这里，我们考虑仙女座星系类似的影响的一个方面。我们明确地估计了介质中光子与晕中电子的逆康普顿（IC）散射能量。这些光子可以通过不同的实验记录下来。暗物质湮灭或衰变可能是晕中高能电子的来源，尽管这个来源也可能是其他来源（例如运行中的中子星）。由于仙女座星系盘在空间方向上的特殊性（有点倾向于视线），仙女座星系晕两个半球的光子能量可能会有差异。可以得到，这种不对称性可以在几个10%的水平。
英文摘要：
Dark matter (DM) can give observable effects decaying or annihilating with production of electrons or/and photons. Such probability was widely researched for our Galaxy. Here we consider one aspect of similar effect for Andromeda galaxy. We explicitly estimate the energy of the photon of the medium experiencing Inverse Compton (IC) scattering off electron in halo. These photons can be registered by different experiments. Dark matter annihilation or decay could be the source of high energy electrons in halo, though the source could be of other origins too (e.g. running neutron stars). Because of specifics in space orientation of Andromeda galaxy disk (a little inclined to the line of sight), the difference in energies could arise for the photons from two hemispheres of Andromeda halo. It is obtained that such asymmetry can be at the level of several 10%.
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