Quantum Wave Packet Study of the O( ³ P) + DBr → OD + Br Reaction: Cross Sections, Rate Constants, and Initial State Dependences

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This research aims to investigate the reaction dynamics of the O(3P) + DBr system, focusing on tunneling effects and isotope impacts.
Conducted quantum wave packet simulations to analyze reaction dynamics.
Measured integral cross sections (ICSs) and rate constants (RCs) across a temperature range of 100-800 K.
Examined the effect of H to D isotopic substitution on reaction metrics.
Isotopic substitution from H to D resulted in ICS reductions of up to 2 orders of magnitude at low temperatures.
Rate constants (RCs) were significantly lower across the temperature range due to decreased tunneling ability in the deuterated system.
The findings indicate a strong dependence of reaction rates on the initial quantum state.

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Quantum wave packet analysis reveals how isotopic substitution affects reaction rates in the O(3P) + DBr system.

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Shi Ying Lin (2026) studied this question.

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