Direct observation of slow fission from the width of K x-ray line Amlan Ray, A. K. Sikdar, D. Pandit, Sarmishtha Bhattacharyya, Soumik Bhattacharya, A. De, S. Paul and A. Chatterjee EPJ Web Conf., 193 (2018) 04004 Published online: 14 November 2018 DOI: 10.1051/epjconf/201819304004