Maximum amplitude of the high-redshift 21-cm absorption feature

Villanueva-Domingo, P; Mena, O; Miralda-Escude, J

Villanueva-Domingo, P; Mena, O (corresponding author), Univ Valencia, CSIC, Inst Fis Corpuscular IFIC, Apartado Correos 22085, E-46071 Paterna, Spain.; Miralda-Escude, J (corresponding author), Univ Barcelona IEEC UB, Inst Ciencies Cosmos, E-08028 Barcelona, Spain.; Miralda-Escude, J (corresponding author), Inst Catalan Recerca & Estudis Avancats, E-08010 Barcelona, Spain.

PHYSICAL REVIEW D, 2020; 101 (8):

Abstract

We examine the maximum possible strength of the global 21-cm absorption dip on the cosmic background radiation at high-redshift caused by the atomic i......

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