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Particle physics with the cosmic microwave background with SPT-3G

Avva, S. J., Ade, P.A.R ORCID:, Ahmed, Z, Anderson, A.J, Aylor, K, Basu Thakur, B, Bender, A.N, Benson, B.A, Bleem, L.E, Bocquet, S, Bryant, L, Carlstrom, J.E, Carter, F.W, Cecil, T.W, Chang, C.L, Crawford, T.M, Cukierman, A, de Haan, T, Ding, J, Dobbs, M.A, Dodelson, S, Dutcher, D, Everett, W, Ferguson, K.R, Foster, A, Gallicchio, J, Gambrel, A.E, Gardner, R.W, Groh, J.C, Guns, S, Halverson, N.W, Harke-Hosemann, A.H, Harrington, N.L, Henning, J.W, Holder, G.P, Holzapfel, W.L, Howe, D, Huang, N, Irwin, K.D, Jeong, O.B, Jonas, M, Jones, A, Khaire, T.S, Knox, L, Kofman, A.M, Korman, M, Kubik, D.L, Kuhlmann, S, Kuo, C.-L, Lee, A.T, Lowitz, A.E, Meyer, S.S, Michalik, D, Montgomery, J, Nadolski, A, Natoli, T, Nguyen, H, Noble, G.I, Novosad, V, Padin, S, Pan, Z, Paschos, P, Pearson, J, Posada, C.M, Quan, W, Raghunathan, S, Rahlin, A, Reichardt, C.L, Riebel, D, Ruhl, J.E, Sayre, J.T, Shirokoff, E, Smecher, G, Sobrin, J.A, Stark, A.A, Stephen, J, Story, K.T, Suzuki, A, Thompson, K.L, Tucker, C ORCID:, Vanderlinde, K, Viera, J.D, Wang, G, Whitehorn, N, Wu, W.L.K, Yefremenko, V, Yoon, K.W and Young, M.R 2020. Particle physics with the cosmic microwave background with SPT-3G. Presented at: 16th International Conference on Topics in Astroparticle and Underground Physics (TAUP 2019), 9-13 September 2019. Journal of Physics: Conference Series. , vol.1468 IOP Publishing, 10.1088/1742-6596/1468/1/012008

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The cosmic microwave background (CMB) encodes information about the content and evolution of the universe. The presence of light, weakly interacting particles impacts the expansion history of the early universe, which alters the temperature and polarization anisotropies of the CMB. In this way, current measurements of the CMB place interesting constraints on the neutrino energy density and mass, as well as on the abundance of other possible light relativistic particle species. We present the status of an on-going 1500 sq. deg. survey with the SPT-3G receiver, a new mm-wavelength camera on the 10-m diameter South Pole Telescope (SPT). The SPT-3G camera consists of 16,000 superconducting transition edge sensors, a 10x increase over the previous generation camera, which allows it to map the CMB with an unprecedented combination of sensitivity and angular resolution. We highlight projected constraints on the abundance of sterile neutrinos and the sum of the neutrino masses for the SPT-3G survey, which could help determine the neutrino mass hierarchy....

Item Type: Conference or Workshop Item (Paper)
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Publisher: IOP Publishing
ISSN: 1742-6596
Last Modified: 21 Apr 2023 14:15

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