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 Concept Videos

Bond Polarity, Dipole Moment, and Percent Ionic Character02:48

Bond Polarity, Dipole Moment, and Percent Ionic Character

28.5K
Bond Polarity
28.5K
IR Spectrum Peak Intensity: Dipole Moment01:20

IR Spectrum Peak Intensity: Dipole Moment

641
The dipole moment of a bond is the product of the partial charge on either atom and the distance between them. Dipole moments influence the efficiency of IR absorption and the peak intensity. When a bond with a dipole moment is placed in an electric field, the direction of the field determines if the bond is compressed or stretched. Electromagnetic radiation consists of an electric field component that rapidly reverses direction. It follows that polar bonds are alternately stretched and...
641
Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

358
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
358
Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

46.4K
The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
46.4K
Molecular Geometry and Dipole Moments02:36

Molecular Geometry and Dipole Moments

12.5K
The VSEPR theory can be used to determine the electron pair geometries and molecular structures as follows:
12.5K
Calculations of Electric Potential II01:27

Calculations of Electric Potential II

1.6K
An electric dipole is a system of two equal but opposite charges, separated by a fixed distance. This system is used to model many real-world systems, including atomic and molecular interactions. One of these systems is the water molecule, but only under certain circumstances. These circumstances are met inside a microwave oven, where electric fields with alternating directions make the water molecules change orientation. This vibration is equivalent to heat at the molecular level.
Consider a...
1.6K

You might also read

Related Articles

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

Sort by
Same author

[Recurrent spontaneous carotid dissection].

Revista de neurologia·2000
Same author

Safety and efficacy of Omniscan (gadodiamide injection) at 0.1 mmol/kg for MRI in infants younger than 6 months of age: phase III open multicenter study.

Investigative radiology·2000
Same author

Percutaneous vertebroplasty: a special syringe for cement injection.

AJNR. American journal of neuroradiology·2000
Same author

OESCLIM: an advanced delivery system for HRT.

Maturitas·2000
Same author

Fenfluramine-induced increase in preproenkephalin mRNA levels in the striatum: interaction between the serotonergic, glutamatergic, and dopaminergic systems.

Synapse (New York, N.Y.)·2000
Same author

Autologous stem cell transplantation for advanced Hodgkin's disease in children. Spanish group for BMT in children (GETMON), Spain.

Bone marrow transplantation·2000

Related Experiment Video

Updated: May 29, 2025

Spatial Separation of Molecular Conformers and Clusters
10:37

Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

8.9K

Near-Threshold Dipole Strength in ^{10}Be with Isoscalar Character.

J Chen1,2, Y Ayyad3, D Bazin4

  • 1Southern University of Science and Technology, College of Science, Shenzhen 518055, Guangdong, China.

Physical Review Letters
|February 6, 2025
PubMed
Summary

Researchers found evidence of a pronounced alpha cluster structure in Beryllium-10 using isoscalar dipole transitions. This finding supports a four-body cluster model for understanding nuclear states.

More Related Videos

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

8.6K
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.5K

Related Experiment Videos

Last Updated: May 29, 2025

Spatial Separation of Molecular Conformers and Clusters
10:37

Spatial Separation of Molecular Conformers and Clusters

Published on: January 9, 2014

8.9K
Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

8.6K
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.5K

Area of Science:

  • Nuclear Physics
  • Quantum Mechanics

Background:

  • Isoscalar dipole transitions are key indicators of cluster structures in atomic nuclei.
  • Understanding nuclear cluster configurations provides insights into nuclear stability and reactions.

Purpose of the Study:

  • To investigate the presence and characteristics of isoscalar dipole transitions in Beryllium-10.
  • To provide evidence for alpha cluster structures within the Beryllium-10 nucleus.

Main Methods:

  • Deuteron inelastic scattering reactions off Beryllium-10.
  • Coupled channel calculations to infer deformation lengths from differential cross sections.
  • Gamow coupled channel approach and four-body (alpha+alpha+neutron+neutron) calculations.

Main Results:

  • A 1- resonance was observed at 7.27(10) MeV in Beryllium-10, near the alpha-emission threshold.
  • This resonance exhibits isoscalar characteristics, exhausting 5%-15% of the isoscalar dipole energy-weighted sum rule.
  • Calculations confirmed enhanced dipole strength, supporting a four-body cluster structure.

Conclusions:

  • The observed resonance provides strong evidence for a pronounced alpha cluster structure in Beryllium-10.
  • Near-threshold effects and four-body cluster configurations are crucial for describing the 1- states in Beryllium-10.