1. Ecole polytechnique Fédérale de Lausanne, Laboratoire de spectroscopie ultrarapide, ISIC, and Lausanne Centre
for Ultrafast Science (LACUS), FSB, Station 6, CH-1015 Lausanne, Switzerland
2. School
of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom
3. Central
Laser Facility, Research Complex at Harwell Science and Technology
Facilities Council, Rutherford Appleton Laboratory, Harwell Oxford, Didcot, Oxfordshire OX11 0QX, United Kingdom
4. School
of Chemistry, Newcastle University, Newcastle upon Tyne NE1
7RU, United Kingdom
5. Department
of Chemical and Environmental Engineering, University of Nottingham Ningbo China, 199 Taikang East Road, Ningbo 315100, China