Searching for axion-like particles under strong gravitational lenses

Basu A, Goswami J, Schwarz D, Urakawa Y (2020)
arXiv:2007.01440.

Preprint | Englisch
 
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Abstract / Bemerkung
We establish strong gravitational lens systems as robust probes of axion-like particles (ALPs) -- a candidate for dark matter. A tiny interaction of photons with ALPs induces birefringence. Multiple images of gravitationally lensed polarised objects allow differential birefringence measurement, alleviating systematics and astrophysical dependencies. We apply this novel method to the lens system CLASS B1152+199 and constrain ALP-photon coupling ≤9.2×10−11 GeV−1 to 7.7×10−8 GeV−1\le 9.2\times 10^{-11}\, {\rm GeV}^{-1} \textrm{ to } 7.7\times 10^{-8}\, {\rm GeV}^{-1}≤9.2×10−11GeV−1 to 7.7×10−8GeV−1 (95%95\%95% C.L.) for ALP mass between 3.6×10−21 eV3.6\times 10^{-21} \,{\rm eV}3.6×10−21eV and 4.6×10−18 eV4.6 \times 10^{-18} \,{\rm eV}4.6×10−18eV. A larger sample will improve the constraints.
Erscheinungsjahr
2020
Zeitschriftentitel
arXiv:2007.01440
Page URI
https://pub.uni-bielefeld.de/record/2949874

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Basu A, Goswami J, Schwarz D, Urakawa Y. Searching for axion-like particles under strong gravitational lenses. arXiv:2007.01440. 2020.
Basu, A., Goswami, J., Schwarz, D., & Urakawa, Y. (2020). Searching for axion-like particles under strong gravitational lenses. arXiv:2007.01440
Basu, A., Goswami, J., Schwarz, D., and Urakawa, Y. (2020). Searching for axion-like particles under strong gravitational lenses. arXiv:2007.01440.
Basu, A., et al., 2020. Searching for axion-like particles under strong gravitational lenses. arXiv:2007.01440.
A. Basu, et al., “Searching for axion-like particles under strong gravitational lenses”, arXiv:2007.01440, 2020.
Basu, A., Goswami, J., Schwarz, D., Urakawa, Y.: Searching for axion-like particles under strong gravitational lenses. arXiv:2007.01440. (2020).
Basu, Aritra, Goswami, Jishnu, Schwarz, Dominik, and Urakawa, Yuko. “Searching for axion-like particles under strong gravitational lenses”. arXiv:2007.01440 (2020).

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arXiv: 2007.01440

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