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- W3084664216 endingPage "060" @default.
- W3084664216 startingPage "060" @default.
- W3084664216 abstract "Galaxy imaging surveys provide us with information on both the galaxy distribution and their shapes. In this paper, we systematically investigate the sensitivity of galaxy shapes to new physics in the initial conditions. For this purpose, we decompose the galaxy shape function into spin components, and compute the contributions to each spin component from both intrinsic alignment and weak lensing. We then consider the angular-dependent primordial non-Gaussianity, which is generated by a non-zero integer spin particle when active during inflation, and show that a galaxy imaging survey essentially functions as a spin-sensitive detector of such particles in the early universe. We also perform a forecast of the PNG generated from a higher spin particle, considering a Rubin Observatory LSST-like galaxy survey." @default.
- W3084664216 created "2020-09-21" @default.
- W3084664216 creator A5028407226 @default.
- W3084664216 creator A5039741429 @default.
- W3084664216 creator A5043392814 @default.
- W3084664216 creator A5064452783 @default.
- W3084664216 date "2021-03-01" @default.
- W3084664216 modified "2023-09-30" @default.
- W3084664216 title "Galaxy imaging surveys as spin-sensitive detector for cosmological colliders" @default.
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