Analysis reveals 21-cm line intensity mapping may improve precision on cosmic structure growth during the dark ages, suggesting potential for new physics exploration.
Key Points
Future 21-cm surveys could achieve remarkable precision in tracing cosmic structure growth during the dark ages.
If properly managed, foreground contamination can still limit measurement precision to below 10%, affecting results.
Surveys from the far side of the Moon can achieve sub-percent precision, significantly enhancing our understanding beyond ΛCDM.
Exquisite precision from 21-cm mapping will serve as a crucial check for claims regarding new physics impacting structure growth.