Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 25, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.253001
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Funding
- NSERC
- CIPI
- JSPS
- Welch Foundation [A-1547]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1307153] Funding Source: National Science Foundation
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The multiphoton ionization rate of molecules depends on the alignment of the molecular axis with respect to the ionizing laser polarization. By studying molecular frame photoelectron angular distributions from N-2, O-2, and benzene, we illustrate how the angle-dependent ionization rate affects the photoelectron cutoff energy. We find alignment can enhance the high energy cutoff of the photoelectron spectrum when probing along a nodal plane or when ionization is otherwise suppressed. This is supported by calculations using a tunneling model with a single ion state.
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