Cosmological zoom-in simulations find that grain-grain shattering in diffuse ISM gas drives rising PAH mass fraction with time, naturally producing the observed PAH-metallicity relation and inverse qPAH-molecular gas trends.
@doi [ ] 10.1086/167501, https://ui.adsabs.harvard.edu/abs/1989ApJ...341..372F 341
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Aliphatic side chains on PAHs shift certain infrared band intensity ratios, especially in small molecules, which can mislead ionization-state estimates, though the main diagnostic grid still applies with possible calibration.
Hydrogen tunneling makes H-abstraction reactions by C2H, OH, and CN competitive in TMC-1 despite low individual rates, affecting aromatic abundance predictions.
citing papers explorer
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The Lifecycle and Emission Properties of PAHs in Cosmological Hydrodynamic Galaxy Formation Simulations
Cosmological zoom-in simulations find that grain-grain shattering in diffuse ISM gas drives rising PAH mass fraction with time, naturally producing the observed PAH-metallicity relation and inverse qPAH-molecular gas trends.
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The Influence of Aliphatic Components on the Aromatic Emission Characteristics of Polycyclic Aromatic Hydrocarbons
Aliphatic side chains on PAHs shift certain infrared band intensity ratios, especially in small molecules, which can mislead ionization-state estimates, though the main diagnostic grid still applies with possible calibration.
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The impact of hydrogen atom tunneling on aromatic chemistry in TMC-1
Hydrogen tunneling makes H-abstraction reactions by C2H, OH, and CN competitive in TMC-1 despite low individual rates, affecting aromatic abundance predictions.