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Imaging resonances in low-energy NO-He inelastic collisions.(SCATTERING DYNAMICS)(Report)(Author abstract)

In molecular collisions, resonances occur at specific energies at which the colliding particles temporarily form quasibound complexes, resulting in rapid variations in the energy dependence of scattering cross sections. Experimentally, it has proven challenging to observe such scattering resonances,... Full description

Journal Title: Science Nov 13, 2015, Vol.350(6262), p.787(4)
Main Author: Vogels, Sjoerd N.
Other Authors: Onvlee, Jolijn , Chefdeville, Simon , van Der Avoird, Ad , Groenenboom, Gerrit C. , van de Meerakker, Sebastiaan Y.T.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0036-8075 ; DOI: 10.1126/science.aad2356
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recordid: gale_ofa435716707
title: Imaging resonances in low-energy NO-He inelastic collisions.(SCATTERING DYNAMICS)(Report)(Author abstract)
format: Article
creator:
  • Vogels, Sjoerd N.
  • Onvlee, Jolijn
  • Chefdeville, Simon
  • van Der Avoird, Ad
  • Groenenboom, Gerrit C.
  • van de Meerakker, Sebastiaan Y.T.
subjects:
  • Collisions (Physics) – Analysis
  • Magnetic Resonance – Analysis
ispartof: Science, Nov 13, 2015, Vol.350(6262), p.787(4)
description: In molecular collisions, resonances occur at specific energies at which the colliding particles temporarily form quasibound complexes, resulting in rapid variations in the energy dependence of scattering cross sections. Experimentally, it has proven challenging to observe such scattering resonances, especially in differential cross sections. We report the observation of resonance fingerprints in the state-to-state differential cross sections for inelastic NO-He collisions in the 13 to 19 centimeter-1 energy range with 0.3 centimeter-1 resolution. The observed structures were in excellent agreement with quantum scattering calculations. They were analyzed by separating the resonance contributions to the differential cross sections from the background through a partitioning of the multichannel scattering matrix. This revealed the partial-wave composition of the resonances and their evolution during the collision. 10.1126/science.aad2356
language: eng
source:
identifier: ISSN: 0036-8075 ; DOI: 10.1126/science.aad2356
fulltext: fulltext
issn:
  • 0036-8075
  • 00368075
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titleImaging resonances in low-energy NO-He inelastic collisions.(SCATTERING DYNAMICS)(Report)(Author abstract)
creatorVogels, Sjoerd N. ; Onvlee, Jolijn ; Chefdeville, Simon ; van Der Avoird, Ad ; Groenenboom, Gerrit C. ; van de Meerakker, Sebastiaan Y.T.
ispartofScience, Nov 13, 2015, Vol.350(6262), p.787(4)
identifierISSN: 0036-8075 ; DOI: 10.1126/science.aad2356
subjectCollisions (Physics) – Analysis ; Magnetic Resonance – Analysis
descriptionIn molecular collisions, resonances occur at specific energies at which the colliding particles temporarily form quasibound complexes, resulting in rapid variations in the energy dependence of scattering cross sections. Experimentally, it has proven challenging to observe such scattering resonances, especially in differential cross sections. We report the observation of resonance fingerprints in the state-to-state differential cross sections for inelastic NO-He collisions in the 13 to 19 centimeter-1 energy range with 0.3 centimeter-1 resolution. The observed structures were in excellent agreement with quantum scattering calculations. They were analyzed by separating the resonance contributions to the differential cross sections from the background through a partitioning of the multichannel scattering matrix. This revealed the partial-wave composition of the resonances and their evolution during the collision. 10.1126/science.aad2356
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titleImaging resonances in low-energy NO-He inelastic collisions.(SCATTERING DYNAMICS)(Report)(Author abstract)
descriptionIn molecular collisions, resonances occur at specific energies at which the colliding particles temporarily form quasibound complexes, resulting in rapid variations in the energy dependence of scattering cross sections. Experimentally, it has proven challenging to observe such scattering resonances, especially in differential cross sections. We report the observation of resonance fingerprints in the state-to-state differential cross sections for inelastic NO-He collisions in the 13 to 19 centimeter-1 energy range with 0.3 centimeter-1 resolution. The observed structures were in excellent agreement with quantum scattering calculations. They were analyzed by separating the resonance contributions to the differential cross sections from the background through a partitioning of the multichannel scattering matrix. This revealed the partial-wave composition of the resonances and their evolution during the collision. 10.1126/science.aad2356
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abstractIn molecular collisions, resonances occur at specific energies at which the colliding particles temporarily form quasibound complexes, resulting in rapid variations in the energy dependence of scattering cross sections. Experimentally, it has proven challenging to observe such scattering resonances, especially in differential cross sections. We report the observation of resonance fingerprints in the state-to-state differential cross sections for inelastic NO-He collisions in the 13 to 19 centimeter-1 energy range with 0.3 centimeter-1 resolution. The observed structures were in excellent agreement with quantum scattering calculations. They were analyzed by separating the resonance contributions to the differential cross sections from the background through a partitioning of the multichannel scattering matrix. This revealed the partial-wave composition of the resonances and their evolution during the collision. 10.1126/science.aad2356
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