Damping wings in the Lyman-α forest: A model-independent measurement of the neutral fraction at 5.4 < z < 6.1Benedetta Spina, Sarah E. I. Bosman, Frederick B. Davies, Prakash Gaikwad and Yongda ZhuA&A, 688 (2024) L26DOI: https://doi.org/10.1051/0004-6361/202450798