DOE OSTI · 3377687
Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years
Abstract
The cosmic star formation rate density (CSFRD) has declined sharply toward the present day, but the roles of the atomic and molecular gas reservoirs remain uncertain. We measure the cosmic HI density, $Ω_{\mathrm{HI}}$, over $0
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Zhang, Chuan-Peng [NAOC, Beijing; Guizhou Norm. U.], Guo, Hong [Shanghai, Astron. Observ.], Gu, Yizhou [Tsung-Dao Lee Inst., Shanghai; Shanghai Jiao Tong U.], Saintonge, Amélie [University Coll. London; Bonn, Max Planck Inst., Radioastron.], Yang, Xiaohu [Tsung-Dao Lee Inst., Shanghai; Shanghai Jiao Tong U.], Scholte, Dirk [Edinburgh U., Inst. Astron.], Zhu, Ming [NAOC, Beijing; Guizhou Norm. U.], Jiang, Peng [NAOC, Beijing; Guizhou Norm. U.], Zou, Hu [NAOC, Beijing], Saraf, Manasvee [University Coll. London], Ma, Wenlin [Shanghai, Astron. Observ.; Beijing, GUCAS], Wang, Yirong [Shanghai Jiao Tong U.], Jing, Y. P. [Shanghai Jiao Tong U.; Tsung-Dao Lee Inst., Shanghai], Zheng, Zheng [Utah U.], Ding, Zhejie [Purple Mountain Observ.], Aguilar, J. [LBL, Berkeley], Ahlen, S. [Boston U.], Bianchi, D. [Milan U.; Brera Observ.], Brooks, D. [University Coll. London], Claybaugh, T. [LBL, Berkeley], de la Macorra, A. [UNAM, Mexico], Doel, P. [University Coll. London], Gaztañaga, E. [Barcelona, IEEC; Portsmouth U., ICG; ICE, Bellaterra], Gutierrez, G. [Fermilab], Ishak, M. [U. Texas, Dallas], Joyce, R. [Natl. Solar Observ., Tucson], Juneau, S. [Natl. Solar Observ., Tucson], Kehoe, R. [Southern Methodist U.], Kirkby, D. [UC, Irvine], Kremin, A. [LBL, Berkeley], Lahav, O. [University Coll. London], Lamman, C. [Ohio State U.], Landriau, M. [LBL, Berkeley], Le Guillou, L. [LPNHE, Paris], Manera, M. [Barcelona, IFAE; Barcelona, Autonoma U.], Meisner, A. [Natl. Solar Observ., Tucson], Miquel, R. [ICREA, Barcelona; Barcelona, IFAE], Moustakas, J. [Siena Coll., Loudonville], Nadathur, S. [Portsmouth U., ICG], Percival, W. J. [Waterloo U.; Perimeter Inst. Theor. Phys.], Prada, F. [IAA, Granada], Pérez-Ràfols, I. [Barcelona, Polytechnic U.], Rossi, G. [Sejong U.], Sanchez, E. [Madrid, CIEMAT], Schlegel, D. [LBL, Berkeley], Schubnell, M. [U. Michigan, Ann Arbor], Seo, H. [Ohio U., Athens], Silber, J. [LBL, Berkeley], Sprayberry, D. [Natl. Solar Observ., Tucson], Tarlé, G. [U. Michigan, Ann Arbor], Weaver, B. A. [Natl. Solar Observ., Tucson]. 2026-07-06. Weak Evolution of Cosmic Atomic Hydrogen over the Past 4.5 Billion Years. https://www.osti.gov/biblio/3377687
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