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

Interference and Diffraction02:18

Interference and Diffraction

52.5K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
52.5K
Biological Effects of Radiation02:59

Biological Effects of Radiation

18.0K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
18.0K
Range00:59

Range

14.3K
The range is one of the measures of variation. It can be defined as the difference between a dataset's highest and lowest values. For example, in the study of seven 16-ounce soda cans, the filled volume of soda was measured, thus producing the following amount (in ounces) of soda:
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
Measurements of the amount of soda in a 16-ounce can vary since different subjects record these measurements or since the exact amount - 16 ounces of liquid, was not...
14.3K
Radiation: Applications01:17

Radiation: Applications

1.8K
The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
1.8K
X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

4.8K
X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
4.8K
Naturalistic Observations02:30

Naturalistic Observations

17.4K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
17.4K

You might also read

Related Articles

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

Sort by
Same author

Observation of grating diffraction radiation at the KEK LUCX facility.

Scientific reports·2020
Same author

Osteogenic differentiation of mouse bone marrow stromal cells on fibroin microcarriers.

Doklady. Biochemistry and biophysics·2018
Same author

Smith-Purcell radiation from periodic beams.

Optics express·2017
Same author

Transition radiation on a dynamic periodic interface.

Physical review. E·2016
Same author

Search for pair production of third-generation leptoquarks and top squarks in pp collisions at sqrt[s] = 7 TeV.

Physical review letters·2013
Same author

Measurement of the Υ1S, Υ2S, and Υ3S polarizations in pp collisions at sqrt[s] = 7 TeV.

Physical review letters·2013
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Feb 6, 2026

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.1K

Direct Observation of Incoherent Cherenkov Diffraction Radiation in the Visible Range.

R Kieffer1, L Bartnik2, M Bergamaschi1

  • 1CERN, CH-1211 Geneva 23, Switzerland.

Physical Review Letters
|August 18, 2018
PubMed
Summary
This summary is machine-generated.

We observed incoherent Cherenkov radiation from a positron beam near a fused silica radiator. This finding has potential applications in non-invasive beam diagnostics for particle accelerators.

More Related Videos

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

6.3K
Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.1K

Related Experiment Videos

Last Updated: Feb 6, 2026

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.1K
Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

6.3K
Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.1K

Area of Science:

  • High-energy physics
  • Accelerator physics
  • Optics

Background:

  • Cherenkov radiation is produced when charged particles travel faster than the phase velocity of light in a medium.
  • Incoherent Cherenkov radiation is emitted over a broad spectrum and can be a source of detectable photons.
  • Non-invasive beam diagnostics are crucial for monitoring and controlling particle beams in accelerators.

Purpose of the Study:

  • To observe and characterize incoherent Cherenkov radiation emitted by a positron beam.
  • To investigate the relationship between radiation intensity and beam proximity to a radiator surface.
  • To assess the potential of this phenomenon for accelerator beam diagnostics.

Main Methods:

  • A 5.3 GeV positron beam was circulated in the Cornell electron-positron storage ring.
  • The beam passed near a specifically shaped fused silica radiator.
  • A compact optical system with an intensified camera recorded Cherenkov photons, measuring 2D images, angular distribution, and polarization.

Main Results:

  • Incoherent Cherenkov radiation was successfully observed.
  • Measured light intensity agreed well with theoretical predictions as a function of beam-radiator distance.
  • A light yield of 0.8×10^-3 photon/particle/turn was measured at 600 nm for a 1 mm impact parameter.

Conclusions:

  • Incoherent Cherenkov radiation can be effectively generated and detected using a positron beam and a fused silica radiator.
  • The observed radiation intensity correlates with theoretical models, validating the experimental approach.
  • This method shows promise for developing non-invasive beam diagnostics in accelerators for various particle types.