Journal
PHYSICAL REVIEW A
Volume 96, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.96.043415
Keywords
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Categories
Funding
- Max Planck Society
- BMBF [05K10KT2]
- UK EPSRC [EP/G00224X/1, EP/L005913/1]
- EU (FP7 ITN 'ICONIC') [238671]
- STFC [ST/J002895/1]
- Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-FG02-86ER13491]
- Helmholtz Gemeinschaft through the Helmholtz Young Investigator Program
- German Research Council (DFG) [CRC 755, B03, CRC 1073, C02]
- excellence cluster 'The Hamburg Center for Ultrafast Imaging-Structure, Dynamics and Control of Matter at the Atomic Scale' of the Deutsche Forschungsgemeinschaft (CUI) [DFG-EXC1074]
- European Research Council under the European Union [ERC-Kupper-614507]
- Marie Skodowska-Curie Grant Agreement [457641789]
- Initiative and Networking Fund of the Helmholtz Association
- Helmholtz Association
- DFG [SFB 755, RO 4577/1-1]
- EU [641789]
- German Federal Foreign Office via the German Academic Exchange Service (DAAD) [C-2015a-6, C-2015b-6, C-2016b-7]
- Swedish Research Council [2012-06757, 2012-03946]
- Swedish Foundation for Strategic Research [FFL12-0101]
- French Agence Nationale de la Recherche (ANR) through the XSTASE project [ANR-14-CE32-0010]
- ANR SUMMIT
- ANR through the ATTOMEMUCHO project [ANR-16-CE30-0001]
- Labex Plas@Par
- EPSRC [EP/L005913/1, EP/G00224X/1] Funding Source: UKRI
- STFC [ST/J002895/1] Funding Source: UKRI
- Swedish Foundation for Strategic Research (SSF) [FFL12-0101] Funding Source: Swedish Foundation for Strategic Research (SSF)
- Swedish Research Council [2012-06757, 2012-03946] Funding Source: Swedish Research Council
- Engineering and Physical Sciences Research Council [EP/L005913/1, EP/G00224X/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/J002895/1] Funding Source: researchfish
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The dynamics following laser-induced molecular photodissociation of gas-phase CH2BrI at 271.6 nm were investigated by time-resolved Coulomb-explosion imaging using intense near-IR femtosecond laser pulses. The observed delay-dependent photofragment momenta reveal that CH2BrI undergoes C-I cleavage, depositing 65.6% of the available energy into internal product states, and that absorption of a second UV photon breaks the C-Br bond of C(H)2Br. Simulations confirm that this mechanism is consistent with previous data recorded at 248 nm, demonstrating the sensitivity of Coulomb-explosion imaging as a real-time probe of chemical dynamics.
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