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.

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What does 'low-velocity' Cherenkov radiation look like?

If an electron is traveling less than the speed of light, does it produce any light? At any wavelength? I just thought about this after reading about the attempt(s) to detect very low-energy ...
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Would Cherenkov radiation be observed in Uranium glass?

I recently read about Cherenkov Radiation and the neat blue glow it creates in underwater nuclear reactors, and my understanding of it is that it occurs due to particles ($\beta$ particles in the case ...
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What is the source of light in Cherenkov radiation?

When charged particle inside a media moves faster than the speed of light of that media, a faint bluish glow is observed which we call as "Cherenkov radiation". It is a very common scenario in nuclear ...
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Can an object move faster than the speed of light in a medium? [duplicate]

In water the speed of light changes to $2.25 \cdot 10^8m/s$. Can a electron travel faster/travel at the same speed in water. I don't see any violation of SR. So shouldn't it be possible for an ...
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Is there naturally-occurring Cherenkov Radiation on Earth?

I'm postulating a natural fission reactor, like Oklo in Gabon. My understanding of Oklo is that the reaction occurred entirely underground. Would it be possible for a Uranium deposit nearer the ...
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COMSOL Cherenkov radiation

As indicated in the title of the discussion, I would like to know if it would be possible to simulate through software based on the finite element method COMSOL Multiphysics the movement of a particle ...
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In regards to the hypothetical Alcubierre Drive (hear me out), are energy costs consumed immediately, or during transit?

I am aware the Alcubierre Drive is highly hypothetical and likely cannot exist. However, there are significant quantities of research material into Warp Drives of many types, and presumably the answer ...
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Is the speed of light universal for all mediums? [duplicate]

We know that the speed of light is constant in a vacuum and has the value c= 3× 10^8 m/s. But in a medium such as glass(refractive index=1.5) the speed of light is 2× 10^8 m/s. Now considering the ...
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Intensity of the cherenkov radiation of tritiated water

Assuming that I have a large quantity of tritium oxide (T2O), or 100% tritiated water, how luminous would it be due to Cherenkov radiation? What color would it be to the human eye, and how much of it ...
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Cherenkov light reverse cone direction

The Cherenkov cone is emitted along the charged particle direction as many textbooks say. Detectors like Super-Kamiokande can detect those cerenkov rings and tag the particle as a muon-like ...
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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 ...
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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 $$cos( \theta_c) = \frac{1}{n\beta} $$...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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-...
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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 ...
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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 ...
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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 ...
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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 ...
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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 $\...
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Could we travel faster than the speed of light in a medium, but slower than the speed of light in vacuum? [duplicate]

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 (...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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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 ...
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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 ...