Abstract
The nature of dark matter remains one of the unsolved questions in modern cosmology and to understand its properties different experimental avenues are being explored. Indirect searches make use of the annihilation or decay products of dark matter as tracers to prove its existence. Unlike direct detections methods, indirect searches do not require specialized detectors as existing astro-particle experiments and facilities can be used to search for signatures of dark matter. Among the decay and annihilation products, neutrinos offer a unique way to search for dark matter since their low cross-section makes them capable of escaping from environments in which gamma rays will be absorbed, like the Sun or the Earth. The IceCube neutrino telescope is not only an excellent astro-particle detector, it also has lively program on dark matter searches with very competitive and complementary results to direct detection limits. These proceedings review the latests results of IceCube regarding the indirect search of dark matter with neutrinos.
Highlights
The IceCube observatory is a neutrino telescope located at the geographic South Pole consisting of an array of 5,160 photomultipliers tubes (PMTs) distributed along 86 strings and deployed between 1.5-2.5 km deep within the Antarctic ice cap [1]
Compared to gamma rays that interact with the Cosmic Microwave Background (CMB) and the infrared starlight background, neutrinosínteraction length is comparable to the estimated size of the observable Universe
2.2 Dark Matter annihilation from the Sun and Earth Assuming that dark matter particles interact with Standard Model particles, they could scatter with nucleons of the Sun or Earth losing enough energy to be gravitationally captured
Summary
The IceCube observatory is a neutrino telescope located at the geographic South Pole consisting of an array of 5,160 photomultipliers tubes (PMTs) distributed along 86 strings and deployed between 1.5-2.5 km deep within the Antarctic ice cap [1]. IceCube neutrino detection principle is based on the observation of Cherenkov light along the path of secondary particles produced in neutrino interactions with the matter surrounding the detector. The main scientific goal of IceCube is the identification of neutrino sources and those responsible of the cosmic-ray emission. Neutrinos can travel undeflected through the cosmos, bringing directional information about the origin of their production. Compared to gamma rays that interact with the Cosmic Microwave Background (CMB) and the infrared starlight background, neutrinosínteraction length is comparable to the estimated size of the observable Universe
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