We’re rewarding the question askers & reputations are being recalculated! Read more.

Questions tagged [cherenkov-radiation]

the electromagnetic shock-wave due to a charged particle traveling through a medium faster than the speed of light in that medium.

Filter by
Sorted by
Tagged with
2
votes
0answers
31 views

Cherenkov Radiation Spectra

I've been looking into the Cherenkov effect recently and in particular I've been trying to plot an approximation of the spectra for photons emitted by it. However, I seem to run into a couple ...
1
vote
0answers
41 views

Cherenkov radiation relativistic correction

I have to write a paper on Cherenkov detection. And got a bit of an issue on the relativistic particle/recoil correction of the Cherenkov angle formula. Normaly $$cos( \theta_c) = \frac{1}{n\beta} $$...
3
votes
1answer
94 views

Cherenkov light and refractive index

LHCb’s Ring Imaging CHerenkov detector (RICH) is aimed at telling different charged particles apart by measuring their velocity, which, together with an independent measurement of their momentum, is ...
0
votes
2answers
52 views

Minimal frequency for Cherenkov radiation

I'm trying to figure out the possible range of frequencies of the photons emitted in the Cherenkov effect, and came across something strange: If I assume that the emitting electron's initial energy ...
1
vote
3answers
281 views

What is Cherenkov radiation? [duplicate]

What is Cherenkov radiation? I came across this concept when I was learning SR. Why can't particles moving at speed of excess of speed of light in the medium. Why it does not violate the limitation ...
3
votes
2answers
276 views

Why only charged particles can emit Cherenkov in glass (and Neutrinos themselves not)

I have read this: https://en.wikipedia.org/wiki/Cherenkov_radiation https://en.wikipedia.org/wiki/Measurements_of_neutrino_speed https://en.wikipedia.org/wiki/Neutrino We know that neutrinos ...
3
votes
2answers
170 views

Do massless particles create tiny gravity-booms?

So just a precursor, my main focus is math and I don't fully understand everything in physics so I apologize if this has an obvious answer or the wrong tags are used. That being said, I do know that ...
2
votes
2answers
273 views

Is it possible to create anti-muons in a particle accelerator?

I love particle and nuclear physics and I'm starting to search some things about it even though I'm only a high school student. So, my doubt is: is it possible to create antimuons (positive charged ...
5
votes
0answers
220 views

Trouble with Classical Derivation of Cherenkov Radiation Mechanism — Magnetic Field Intensity

I've been going through a translation of Frank and Tamm's original theory on Cherenkov radiation published by Jelley in 1958, and the bottom line is that I'm stuck on one of the intuitive leaps that ...
0
votes
2answers
87 views

Cherenkov radiation in non-water solvents

Will we see or can we measure Cherenkov radiation in media different from pure water? It is well known that Cherenkov radiation is observable by bare eye in nuclear pools. But if we replace water ...
0
votes
2answers
261 views

Faster than light in a medium [duplicate]

It is a remarkable well-stablished fact that the light velocity in vacuum, $c \simeq 3.10^8 m/s$ is the upper limit for the velocity of ordinary matter, never to be achieved. It is also well-...
0
votes
1answer
65 views

How is the energy of a particle measured in a Cherenkov detector [closed]

I don't understand how is the energy measured in a cherenkov detector. How is the number of photons radiated related to the energy of the particle or the measure of energy has nothing to do with the ...
1
vote
0answers
49 views

Can a particle be identified when one knows $\left<dE/dx\right>$ and the Cherenkov angle $\theta_c$?

I have a question about if it would be possible to identify a particle by measuring the energy loss due to ionization $\langle dE/dx\rangle$ and the Cherenkov angle $\theta_c$. I assume that we know ...
0
votes
1answer
603 views

Cherenkov radiation

Cherenkov radiation is electromagnetic radiation emitted when a charged particle passes through a dielectric medium at a speed greater than the phase velocity of light in that medium. Neutrons are ...
0
votes
1answer
811 views

Which has better reflective properties? Aluminum oxide or Titanium dioxide?

I know TiO2 reflects better than Al2O3 but I can't understand why, in most radiation detection applications using scintillation, aluminum oxide is used as a reflective coating more than titanium ...
1
vote
0answers
62 views

Cherenkov radiation in Schwarzschild metrics

As we know, a particle radiate if it's velocity greather then the speed of light in media (Cherenkov radiation). Also, we know the Schwarzschild metric acts on electromagnetic fields like media with $\...
2
votes
1answer
199 views

Could we travel faster than the speed of light in a medium, but slower than the speed of light in vacuum?

It is well accepted that nothing with mass can travel at the speed of light in vacuum, $c$. Now let's say that a light wave is traveling through a medium that slows the wave's speed significantly (...
1
vote
1answer
45 views

Using a Ring Imaging Cherenkov (RICH) detector

I'm not clear on how RICH (Ring Imaging Cherenkov) detectors identify particles, as much as I've tried to read up on it. So they measure the angle Cherenkov light is emitted at, which is related to ...
3
votes
1answer
594 views

How does particle speed affect Cherenkov radiation?

Cherenkov radiation is created by the movement of particles through a substance at speeds exceeding that of light. I heard an analogy that it is essentially a sonic boom but with light instead of ...
0
votes
1answer
163 views

Can something go faster than the speed of light in a medium? [duplicate]

Since some mediums have an index of refraction more than 1, light goes slower than in a vacuum. Does this mean it is possible for particles to go faster than the speed of light in these mediums? If so,...
23
votes
3answers
6k views

How can muons travel faster than light through ice?

When a neutrino traveling through ice hits and interacts with an oxygen atom, muons are created. Cherenkov radiation can be created when muons travel through ice faster than light and create a ...
7
votes
1answer
5k views

Can Cherenkov radiation be a color other than blue?

Recently, I asked a question about the plausibility of green superheated plasma (like the green plasma blasts in many video games) in real life. I actually found a post in the SciFi Stack Exchange ...
1
vote
0answers
161 views

How many Cherenkov photons on the track of the electron? [closed]

I have this problem where a neutrino interacting with deuterium decay in 2 protons and 1 electron. This electron will produced Cherenkov photon. The specific energy loss of heavy water is $dE/dx=2MeV/...
6
votes
3answers
490 views

Cherenkov radiation: can it happen in a jar using tap water with 8 Thorium-laced lantern mantles as a radiation source?

I placed 10 thorium laced lantern mantles into a wide mouth glass jar 5.25 inches diameter x 6 inches tall, filled with tap water to just below the threaded neck portion of the jar. The jar mouth ...
4
votes
0answers
319 views

Can gravitational waves produce “sonic boom”?

I've heard that a fast moving object such as a jet plane traveling much faster than speed of sound can produce shockwaves which is also known as sonic boom, also Cherenkov radiation is produce by ...
9
votes
3answers
257 views

Alongside a light ray (in another medium)

It is a said fact that the speed of light is insurmountable. But can the validity of this fact be questioned in another medium? If I pass a beam of light in, say water (here the light speed is ...
1
vote
3answers
143 views

Detectable interactions in Cherenkov detectors

What are the possible (and at least somewhat probable) particle interactions that could leave a signal in a cherenkov detector (such as super-k)? One source suggested there would be inverse beta ...
3
votes
1answer
309 views

Would the blue glow of Cherenkov radiation be visible when diffused across ice, such as in the IceCube neutrino experiment?

The blue glow characteristic of Cherenkov radiation is visible emanating from underwater reactors. Is it also visible through ice, at the IceCube neutrino experiment (not that anyone is physically ...
10
votes
2answers
2k views

Would using Cherenkov radiation for lighting be feasible?

Could Cherenkov radiation be used for general illumination, for example, to replace LEDs, light bulbs etc? I.e. are there, or could there be, methods to produce substantial amount visible light with ...
2
votes
1answer
1k views

Calculating the number of quanta emitted as Cherenkov radiation in a wavelength interval dl?

This website gives an equation for it http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/cherenkov.html It appears as plaintext but this is what I believe it is parsed: $n = \dfrac{dl 2πα ...
3
votes
1answer
556 views

Theoretically if you passed the speed of light in a medium, would there be a sonic boom equivalent?

I know that it is technically impossible to reach the speed of light in vacuum since the mass of the object travelling would reach infinity. However in a medium, would there be some sort of ...
4
votes
2answers
363 views

Cherenkov radiation and K-40

I am thinking if it's possible to detect Cherenkov radiation in water caused by dissolved natural potassium (KOH) in it without using photo-multipliers. The main question is does 1 beta particle ...
27
votes
3answers
880 views

Would warp bubbles emit gravitational Cerenkov radiation in general relativity?

Inspired by the gravtiomagnetic analogy, I would expect that just as a charged tachyon would emit normal (electromagetic) Cerenkov radiation, any mass-carrying warp drive would emit gravitational ...
11
votes
2answers
418 views

How do air Cherenkov telescopes work?

The very highest energy photons, gamma-rays, are too energetic to be detected by standard optical methods. In fact they rarely actually make it to the surface of the Earth at all but interact with ...
2
votes
1answer
534 views

Cherenkov radiation in nuclear bomb

Would Cherenkov radiation occur at the explosion of a nuclear bomb? Suppose it would not be occluded by smoke or anything else for that matter.
4
votes
3answers
8k views

Mass of particle near light speed in a medium

I am trying to get a common understanding from these two previous questions: Why does the mass of an object increase when its speed approaches that of light? What happens if light/particles exceeded ...
13
votes
2answers
2k views

What happens if light/particles exceeded the speed of light for a particular medium

While the speed of light in vacuum is a universal constant ($c$), the speed at which light propagates in other materials/mediums may be less than $c$. This is obviously suggested by the fact that ...