2024-09-13 カーディフ大学
＜関連情報＞
- https://www.cardiff.ac.uk/news/view/2838947-using-gravitational-wave-detectors-to-help-solve-the-biggest-mystery-in-physics-and-astronomy
- https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.101001
IGOによるスカラー場暗黒物質の探索 Searching for Scalar Field Dark Matter with LIGO
Alexandre S. Göttel, Aldo Ejlli, Kanioar Karan, Sander M. Vermeulen, Lorenzo Aiello, Vivien Raymond, and Hartmut Grote
Physical Review Letters Published 4 September 2024
DOI:https://doi.org/10.1103/PhysRevLett.133.101001
Abstract
We report on a direct search for scalar field dark matter using data from LIGO’s third observing run. We analyze the coupling of size oscillations of the interferometer’s beam splitter and arm test masses that may be caused by scalar field dark matter. Using new efficient search methods to maximize sensitivity for signatures of such oscillations, we set new upper limits for the coupling constants of scalar field dark matter as a function of its mass, which improve upon bounds from previous direct searches by up to four orders of magnitude in a frequency band from 10 to 180 Hz.
