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Secco, L. F.; Jarvis, M.; Jain, B.; Chang, C.; Gatti, M.; Frieman, J.; Adhikari, S.; Alarcon, A.; Amon, A.; Bechtol, K.; Becker, M. R.; Bernstein, G. M.; Blazek, J.; Campos, A.; Carnero Rosell, A.; Carrasco Kind, M.; Choi, A.; Cordero, J.; DeRose, J.; Dodelson, S.; Doux, C.; Drlica-Wagner, A.; Everett, S.; Giannini, G.; Gruen, D.; Gruendl, R. A.; Harrison, I.; Hartley, W. G.; Herner, K.; Krause, E.; MacCrann, N.; McCullough, J.; Myles, J.; Navarro-Alsina, A.; Prat, J.; Rollins, R. P.; Samuroff, S.; Sánchez, C.; Sevilla-Noarbe, I.; Sheldon, E.; Troxel, M. A.; Zeurcher, D.; Aguena, M.; Andrade-Oliveira, F.; Annis, J.; Bacon, D.; Bertin, E.; Bocquet, S.; Brooks, D.; Burke, D. L.; Carretero, J.; Castander, F. J.; Crocce, M.; da Costa, L. N.; Pereira, M. E. S.; De Vicente, J.; Diehl, H. T.; Doel, P.; Eckert, K.; Ferrero, I.; Flaugher, B.; Friedel, D.; García-Bellido, J.; Gutierrez, G.; Hinton, S. R.; Hollowood, D. L.; Honscheid, K.; Huterer, D.; Kuehn, K.; Kuropatkin, N.; Maia, M. A. G.; Marshall, J. L.; Menanteau, F.; Miquel, R.; Mohr, J. J.; Morgan, R.; Muir, J.; Paz-Chinchón, F.; Pieres, A.; Plazas Malagón, A. A.; Rodriguez-Monroy, M.; Roodman, A.; Sanchez, E.; Serrano, S.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thomas, D.; To, C.; Weller, J.
Physical review. D, 05/2022, Volume: 105, Issue: 10Journal Article
We present high signal-to-noise measurements of three-point shear correlations and the third moment of the mass aperture statistic using the first 3 years of data from the Dark Energy Survey. We additionally obtain the first measurements of the configuration and scale dependence of the four three-point shear correlations which carry cosmological information. With the third-order mass aperture statistic, we present tomographic measurements over angular scales of 4 to 60 arcminutes with a combined statistical significance of 15.0σ. Using the tomographic information and measuring also the second-order mass aperture, we additionally obtain a skewness parameter and its redshift evolution. We find that the amplitudes and scale-dependence of these shear 3pt functions are in qualitative agreement with measurements in a mock galaxy catalog based on N-body simulations, indicating promise for including them in future cosmological analyses. We validate our measurements by showing that B-modes, parity-violating contributions and PSF modeling uncertainties are negligible, and determine that the measured signals are likely to be of astrophysical and gravitational origin.
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