Feedback-free starbursts at cosmic dawn - Observable predictions for JWST Zhaozhou Li, Avishai Dekel, Kartick C. Sarkar, Han Aung, Mauro Giavalisco, Nir Mandelker and Sandro Tacchella A&A, 690 (2024) A108 Published online: 03 October 2024 DOI: 10.1051/0004-6361/202348727