Competition between ring-puckering and ring-opening excited state reactions exemplified on 5H-furan-2-one and derivatives - Schalk, Oliver; Galiana, Joachim; Geng, Ting; Larsson, Tobias L; Thomas, Richard D; Galvan, Ignacio Fdez; Hansson, Tony; Vacher, Morgane (JOURNAL OF CHEMICAL PHYSICS, 2020)