The Physics of Cherenkov Radiation Video
Cherenkov Radiation is emitted when a high energetic electron travelling through a dielectric medium is moving with a velocity greater than the phase velocity of light in that medium.
It is quite similar to the case of sonic boom created by fighter planes when they travel at a velocity greater than the speed of sound.
When electron is travelling at velocity less than the speed of light in that medium, then it lags behind the wavefronts. However, in the case where the electron is moving faster than the light, the wavefronts lag behind the electron. This leads to a situation when all the emitted wave fronts constructively interfere along a conical section moving with the electron. This creates an intense coherent beam of radiation which is known as Cherenkov radiation.
A similar effect happens with sound waves in the case of sonic boom of jet fighter planes.
What sonic boom is to sound waves, Cherenkov Radiation is to light waves.
Cherenkov Radiation is usually seen as a bluish glow in nuclear reactors, where electrons emitted during nuclear reactions travel in the moderator medium of water.
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NUCLEAR AND PARTICLE PHYSICS - Series :
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1) What is Nuclear Physics? ► https://youtu.be/6joildn5lqY
2) Nuclear Size / Radius ► https://youtu.be/1keKrGoqUAg
3) Quantization of Angular Momentum ► https://youtu.be/QHYJ4VpqAvs
4) Nuclear Spin and Angular Momentum ► https://youtu.be/LPYPhyioDfs
5) Nuclear Magnetic Moment ► https://youtu.be/3QniicZuVnc
6) Binding Energy of Nucleus & BE Curve ► https://youtu.be/BYRz_9wvJzA
7) Parity of Wave function ► https://youtu.be/BSTRJjElDdI
8) Symmetric & Anti symmetric Wave func ► https://youtu.be/wvnWCY9TKgw
9) Liquid Drop Model of Nucleus ► https://youtu.be/4q1i7yTcQmA
10) Corrections to Liquid Drop Model ► https://youtu.be/GeLC1AUC0W8
11) NZ Graph (& Maximizing BE) ► https://youtu.be/MHYrv_1VJdI
12) Fermi Energy of Nucleus ► https://youtu.be/aUPLjIjgYGk
13) Fermi Gas Model of Nucleus ► https://youtu.be/emSekijh7XI
14) Shell Model of Nucleus ► https://youtu.be/Rd0CJje59bE
15) Nature of (Strong) Nuclear Force) ► https://youtu.be/43AyN24jZw8
16) Alpha, Beta & Gamma Decay ► https://youtu.be/eUEgpcQHzIA
17) Gamow's Theory of Alpha Decay ► https://youtu.be/suj5MTLGAUU
18) Gamow's Theory (DERIVATION) ► https://youtu.be/QwT4tbA8UvI
19) Q Value and KE of Alpha Decay ► https://youtu.be/w0eEGiOYvus
20) Beta Decay & Neutrino Hypothesis ► https://youtu.be/avKic7oiwvA
21) Radioactive Decay Law ► https://youtu.be/fOMvJj39eTU
22) Nuclear Cross Section ► https://youtu.be/R0tdsaFJ4vg
23) Interaction of Nuclear Radiation with Matter ► https://youtu.be/Ara0eTv02No
24) What is Cherenkov Radiaton? ► https://youtu.be/AkR2daFw45U
25) Nuclear Detectors ► https://youtu.be/avvXftiyBEs
26) Geiger Muller Counter ► https://youtu.be/jxY6RC52Cf0
27) Scintillation Detector ► https://youtu.be/rjuFrk0-AOw
28) Semiconductor Detectors ► https://youtu.be/c1boCCYs77Q
29) What are Accelerators? ► https://youtu.be/-KslGjXEtKk
30) Van de Graaff Generator ► https://youtu.be/Q9bijrQfS6E
31) Linear Accelerator ► https://youtu.be/C79838wtRZo
32) Cyclotron ► https://youtu.be/L5zhpLfnqGc
33) Synchrotron ► https://youtu.be/rOXfm6EezeA
34) Betatron ► https://youtu.be/rOXfm6EezeA
35) Fission & Fusion ► https://youtu.be/L7_oi9zChqE
36) Proton-Proton & CNO Cycle ► https://youtu.be/aqnCfDqQlzA
37) Meson Theory of Nuclear Forces ► https://youtu.be/Wvjci2gP7eg
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//////////////////Image Attribution//////////////////////
1. Refraction
https://upload.wikimedia.org/wikipedia/commons/8/85/Refraction_photo.png
2. Particle moving with velocity less than speed of light
http://wordpress.mrreid.org/wp-content/uploads/2012/12/mach07.gif
3. Particle moving with velocity greater than speed of light
[[File:Cherenkov radiation-animation.gif|Cherenkov radiation-animation]]
4.Aeroplane creating sound wavefronts
http://1.bp.blogspot.com/_AWyWOFe-P9w/TTnqXS-0wEI/AAAAAAAAAYo/1ak8yAvyl1o/s1600/supersonic.bmp
5. Jet Fighter plane video
www.youtube.com/watch?v=jmhU7SEo4gg&t=137s
6. Nuclear Reactor - Cherenkov radiation
https://upload.wikimedia.org/wikipedia/commons/f/f2/Advanced_Test_Reactor.jpg
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