Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 20, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
10:40

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Hyperfine quantum beats from photolytic orientation and alignment.

Matthew L Costen1, Gregory E Hall

  • 1Chemistry Department, Brookhaven National Laboratory, Upton, NY 11973, USA. m.l.costen@hw.ac.uk

Physical Chemistry Chemical Physics : PCCP
|October 1, 2009
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Exploration of the van der Waals Region of the NO <i>A</i><sup>2</sup>Σ<sup>+</sup> + N<sub>2</sub> <i>X</i><sup>1</sup>Σ<sub><i>g</i></sub><sup>+</sup> Collision Complex.

The journal of physical chemistry. A·2026
Same author

Optical Selection of Rotational and Parity-Resolved States for Rotationally Inelastic Scattering: NO(X<sup>2</sup>Π<sub>1/2</sub>, <i>v</i> = 1, <i>j</i> = 1.5<i>e</i>) with Ar and CH<sub>4</sub>.

The journal of physical chemistry. A·2026
Same author

Detection of Different Classes of Fluorinated Anions at Ionic-Liquid Surfaces by Reactive-Atom Scattering Using Laser-Ablated Al Projectiles.

The journal of physical chemistry. C, Nanomaterials and interfaces·2026
Same author

Beating Tunnel Vision: Near-Surface Velocity-Map Imaging.

The journal of physical chemistry. A·2026
Same author

Reactive uptake <i>via</i> inelastic scattering of CN radicals at a liquid hydrocarbon surface.

Physical chemistry chemical physics : PCCP·2025
Same author

Scattering of larger molecules - part 1: general discussion.

Faraday discussions·2024

Researchers studied quantum beats in CN photofragments from ICN photodissociation. They observed non-statistical spin-rotation populations even in low rotational states, challenging the spectator spin model.

Area of Science:

  • Chemical Physics
  • Molecular Spectroscopy
  • Photochemistry

Background:

  • Understanding photodissociation dynamics is crucial for chemical reaction mechanisms.
  • Nuclear hyperfine interactions can influence molecular fragment properties.

Purpose of the Study:

  • To investigate quantum beats in CN photofragments from ICN photodissociation.
  • To analyze nuclear hyperfine depolarization effects on low rotational levels.

Main Methods:

  • Doppler-resolved transient frequency modulation absorption spectroscopy.
  • Ultraviolet photodissociation of iodocyanogen (ICN).

Main Results:

  • Observed alignment and orientation quantum beats from hyperfine depolarization.

More Related Videos

High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping
08:59

High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping

Published on: March 22, 2024

Related Experiment Videos

Last Updated: Jun 20, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
10:40

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping
08:59

High-Speed Atomic Force Microscopy Imaging of DNA Three-Point-Star Motif Self Assembly Using Photothermal Off-Resonance Tapping

Published on: March 22, 2024

  • Detected non-statistical spin-rotation populations in low rotational CN fragments.
  • Demonstrated insensitivity to angular momentum N depolarization under specific spectroscopic conditions.

    • Conclusions:

    • The electron is not a spectator spin during depolarization.
    • Non-statistical spin-rotation populations are prevalent even in low rotational states.
    • Hyperfine interactions play a significant role in photodissociation dynamics.