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Ultrafast studies of elusive chemical reactions in the gas phase

Journal Article · · Science
 [1]
  1. Michigan State University, East Lansing, MI (United States); Michigan State University
The chemical composition of the interstellar medium and planetary atmospheres is constantly in flux as atoms and molecules collide and interact with high-energy particles such as electrons, protons, and photons. These transformative processes ultimately lead to the coalescence of molecules and eventually the birth of stars. Our understanding of these chemical ecosystems relies on models that synthesize data from gas-phase experiments, providing insights into reaction cross sections. This Review examines efforts to delve into the fundamental bond-forming and bond-breaking dynamics that occur during bimolecular and electron-initiated reactions. Furthermore, these experiments involve clever approaches to establish a time reference and the collision geometry necessary for tracking atomic motion with femtosecond time resolution. Findings from these efforts enhance present models and improve predictions for molecule-molecule and electron-molecule collisions.
Research Organization:
Michigan State University, East Lansing, MI (United States)
Sponsoring Organization:
Air Force Office of Scientific Research (AFOSR); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0002325
OSTI ID:
2429549
Alternate ID(s):
OSTI ID: 2441149
Journal Information:
Science, Journal Name: Science Journal Issue: 6709 Vol. 385; ISSN 0036-8075
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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