Axion isocurvature collider
Cosmological colliders can preserve information from interactions at very high energy scale, and imprint them on cosmological observables. Taking the squeezed limit of cosmological perturbation bispectrum, information of the intermediate particle can be directly extracted from observations such as c...
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| Format: | Article |
| Language: | English |
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Springer Science and Business Media Deutschland GmbH
2022
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| Online Access: | View Fulltext in Publisher |