@misc{gaikwad2020consistent, title={A consistent and robust measurement of the thermal state of the IGM at $2 \leq z \leq 4$ from a large sample of Ly$α$ forest spectra: Evidence for late and rapid HeII reionization}, author={Prakash Gaikwad and Raghunathan Srianand and Martin G. Haehnelt and Tirthankar Roy Choudhury}, year={2020}, eprint={2009.00016}, archivePrefix={arXiv}, primaryClass={astro-ph.CO}, url={https://arxiv.org/abs/2009.00016} }