Cherenkov-Channeling radiation from sub-GeV relativistic electrons

Korotchenko, K. B.; Pivovarov, Yu.L.; Takabayashi, Y.; Dabagov, S.B.

doi:10.1016/j.physletb.2019.06.063

Cited by 5 publications

(9 citation statements)

References 33 publications

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“…As recently shown [2], channeled relativistic particles emit ChCR at the angles close to Cherenkov ones. The expression for standard ChR derived from a general definition of ChCR after the summation over all quantum states of the channeling motion in aligned crystal…”

Section: Chr By Muons For Non-zero Media Dispersionsupporting

confidence: 53%

“…Typically this postulate is true for radiation emitted under small angles to the projectile momentum ("forward radiation"). However, bound channeling motion can contribute effectively to other known radiation phenomena observed at large angles [2]. This fact, mostly proved for light particles, should be also valid for relativistic muons independently of notable mass factor.…”

Section: Spontaneous Cr By Muonsmentioning

confidence: 80%

“…Previously we have shown that the intensity of ChCR by light particles, namely, by electrons, might be much higher than ChR [2]. In this report, in view of the importance for developing novel radiation-based tools, we present our results in studying both ChCR and CR by much heavier particles, i.e.…”

Section: Introductionmentioning

confidence: 89%

“…The use of these data in combination with Eqs. (1) and (2) allows the number of ChR photons emitted per unit path of relativistic particle to be easily calculated for a whole Cherenkov cone.…”

Section: Chr By Muons For Non-zero Media Dispersionmentioning

confidence: 99%

“…In our recent work [2] in terms of quantum electrodynamics we have modified well-known expression for Cherenkov radiation (ChR), which differs from the standard one by a factor that takes into account the media dispersion (see e.g. [3][4][5]).…”

Section: Introductionmentioning

confidence: 99%

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Cherenkov-channeling radiation by relativistic muons in crystals

2020

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In this work we analyse Cherenkov radiation by relativistic muons, positive and negative, channeled in optically transparent diamond and silicon crystals in comparison with ordinary Cherenkov radiation. We have shown that the maxima in the spectral angular distributions for both types of radiation are revealed at the derivative extrema for the media refractive index, while, due to the difference in scattering of positively and negatively charged particles at crystal channeling, the number of Cherenkov photons emitted by channeled positive muons might be over the one for negative muons. We have demonstrated that Cherenkov radiation by quasi free projectiles is described as one limiting approximation of a general expression for Cherenkov radiation by channeled projectiles, which takes into account non-zero derivative of the refractive index. The last may result in essential increase of radiation intensity.

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Section: Chr By Muons For Non-zero Media Dispersionsupporting

confidence: 53%

Section: Spontaneous Cr By Muonsmentioning

confidence: 80%

Section: Introductionmentioning

confidence: 89%

Section: Chr By Muons For Non-zero Media Dispersionmentioning

confidence: 99%