Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.103601
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Funding
- National Basic Research Program of China [2013CB922403, 2013CB834602]
- National Natural Science Foundation of China [61178019, 11134001, 11121091]
- New Century Excellent Talents from Ministry of Education of China
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We experimentally studied the three-body fragmentation dynamics of CO2 initiated by intense femto-second laser pulses. Sequential and nonsequential fragmentations were precisely separated and identified for CO23+ to break up into O+ + C+ + O+ ions. With accurate measurements of three-dimensional momentum vectors of the correlated atomic ions and calculations of the high-level ab initio potential of CO23+, we reconstructed the geometric structure of CO23+ before fragmentation, which turns out to be very close to that of the neutral CO2 molecule before laser irradiation. Our study indicated that Coulomb explosion is a promising approach for imaging geometric structures of polyatomic molecules if the fragmentation dynamics can be clearly clarified and the appropriate dissociation potential is provided for multiply charged molecular ions. DOI: 10.1103/PhysRevLett.110.103601
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