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Tomography of the Cosmic Dawn and Reionization Eras with Multiple Tracers

Tzu-Ching Chang 1 Angus Beane 2 Olivier Doré 1 Adam Lidz 2 Lluis Mas-Ribas 1 Guochao Sun 3 Marcelo Alvarez 4 Ritoban Basu Thakur 4 Philippe Berger 1 Matthieu Bethermin 5 Jamie Bock 6 Charles M. Bradford 1 Patrick C. Breysse 7 Denis Burgarella 5 Vassilis Charmandaris 8 yun-Ting Cheng 6 Kieran Cleary 6 Asantha Cooray 9 Abigail Crites 6 Aaron Ewall-Wice 1 Xiaohui Fan 10 Steve Finkelstein 11 Steve Furlanetto 12 Jackie Hewitt 13 J. Hunacek 6 Phil Korngut 6 Ely D. Kovetz 14 Gregg Hallinan 6 Caroline Heneka Guilaine Lagache 5 Charles Lawrence 1 Joseph Lazio 1 Adrian Liu 15 Daniel Marrone 10 Aaron Parsons 4 A. Readhead 6 Jason D. Rhodes 1 Dominik Riechers 16 Michael Seiffert 1 Gordon Stacey 16 Eli Visbal 17 Hao-yi Wu 18 Michael Zemcov Zheng Zheng 19 
Abstract : The Cosmic Dawn and Reionization epochs remain a fundamental but challenging frontier of astrophysics and cosmology. We advocate a large-scale, multi-tracer approach to develop a comprehensive understanding of the physics that led to the formation and evolution of the first stars and galaxies. We highlight the line intensity mapping technique to trace the multi-phase reionization topology on large scales, and measure reionization history in detail. Besides 21cm, we advocate for Lya tomography mapping during the epoch of Wouthuysen-Field coupling as an additional probe of the cosmic dawn era.
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Submitted on : Monday, July 8, 2019 - 11:23:06 AM
Last modification on : Wednesday, November 3, 2021 - 9:19:52 AM


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  • HAL Id : hal-02176467, version 1
  • ARXIV : 1903.11744


Tzu-Ching Chang, Angus Beane, Olivier Doré, Adam Lidz, Lluis Mas-Ribas, et al.. Tomography of the Cosmic Dawn and Reionization Eras with Multiple Tracers. 2019. ⟨hal-02176467⟩



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