Annihilation of dark matter at the center of the Earth? Well, yes

Credit image: NASA
Credit image: NASA

Article by: Andacs Robert Eugen, on 13 August 2023, at 02:19 am PDT

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The mystery of dark matter is a mysterious enigma within modern cosmology. Astronomers have collected evidence through studies of galactic congregations, gravitational lenses, and the cosmic microwave background. However, particles within the standard particle physics model have yet to be identified as suitable candidates for dark matter. Its presence remains elusive and mysterious.

Despite this problem, a constellation of endeavors is focused on unraveling the secrets of dark matter. One such effort is the IceCube Neutrino Observatory, which has recently made a breakthrough. While IceCube was not designed to detect dark matter directly, it has the potential to uncover its subtle resonances through neutrinos.

Dark matter is thought to be composed of massive particles, called weakly interacting massive particles (WIMPs), which associate predominantly with their kindred and weakly interact with ordinary particles. If WIMPs exist, their interactions with denser matter could lead to a gradual deceleration, limiting some WIMPs within gravitational clutches and leading to periodic interplays that produce neutrino emissions. These neutrinos could ascend from the depths of Earth, announcing the existence of dark matter.

This study covers ten years of IceCube's observations, ultimately revealing a lack of excess neutrinos. According to the energy-cross section of IceCube's sensors, the report concludes that WIMPs weighing over 100 GeV, equivalent to slightly over 100 proton masses, are unlikely. This outcome is consistent with other investigations rejecting the idea of high-mass WIMPs. While the possibility of lower-mass dark matter fragments remains, the study's legacy is a gift of exclusion, eliminating candidates for the throne of dark matter.

However, the statement continues to unfold as IceCube's sensory capabilities are set to increase, providing a greater sensitivity to explore the tapestry of lower-mass WIMPs. This chapter may lead to a revelation that reveals the enigma of dark matter in our cosmic neighborhood. As avenues narrow and possibilities dwindle, exploring alternative routes, such as the juncture where the tapestry of gravity takes on a new form, may become necessary.

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