Abstract
An “invisible” matter called Dark Matter, which does not interact with the electromagnetic spectrum, is an idea to explain high velocity dispersion in the cluster and observed differences in mass to light ratio. Axion is the hypothetical particle that beyond the standard model, is suggested to resolve the Strong CP violation problem, its light mass enabling it to be a high potential candidate for cold dark matter, meanwhile explaining the violation in matter and antimatter. Therefore, multiple experiments include CAST, ADMX, MADMAX, XENON and ABRA but more than these are searching for different axion models, various axion masses and energy level sources, with theories such as Primakoff conversion. This article illustrates the latest limits for axion model base on ABRA results, with masses between 0.31neV to 8.3 neV, and the upper limit of gaγγ < 3.3×10-9 GeV-1 and < 1.4×10-10 GeV-1, no axion exists. Meanwhile, compared to other results given by CAST, masses range around 0.02 eV and gaγ up to 8.8×10-11 GeV-1 to gaγ larger or around 4×10-13 GeV-1 within the masses from 34.6771 to 34.6738 μeV. These results offer a better understanding of current axion models and research with latest achievements by comparing various detection methods and their observations.
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