Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies

Abstract

The calculations of Cherenkov radiation (ChR) angular distributions from relativistic heavy ions (RHI) at very high energies (from 30 GeV/u up to 3000 GeV/u) taking into account their slowing-down (ionization energy loss) in a radiator are performed for the first time. The slowing-down of RHI in an optically transparent solid radiator can drastically change the ChR angular distributions at RHI energies of order of 1 GeV/u. The results of calculation show that at higher RHI energies (>30 GeV/u) (FAIR, SPS and LHC), the ChR angular distribution (at the reasonable radiator thickness) is very close to the Tamm-Frank distribution and practically does not depend on the RHI slowing-down in a radiator, if only ionization energy loss is taken into account.

Original language	English
Pages (from-to)	146-150
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	309
DOIs	https://doi.org/10.1016/j.nimb.2013.01.064
Publication status	Published - 1 Jan 2013

Keywords

Cherenkov radiation
Ionization energy loss
Relativistic heavy ions
Slowing down

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2013.01.064

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Fiks, E. I., Pivovarov, Y. L., Bogdanov, O. V., Geissel, H., & Scheidenberger, C. (2013). Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 309, 146-150. https://doi.org/10.1016/j.nimb.2013.01.064

Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies. / Fiks, E. I.; Pivovarov, Y. L.; Bogdanov, O. V.; Geissel, H.; Scheidenberger, C.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 309, 01.01.2013, p. 146-150.

Research output: Contribution to journal › Article › peer-review

Fiks, EI, Pivovarov, YL, Bogdanov, OV, Geissel, H & Scheidenberger, C 2013, 'Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 309, pp. 146-150. https://doi.org/10.1016/j.nimb.2013.01.064

Fiks EI, Pivovarov YL, Bogdanov OV, Geissel H, Scheidenberger C. Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2013 Jan 1;309:146-150. https://doi.org/10.1016/j.nimb.2013.01.064

Fiks, E. I. ; Pivovarov, Y. L. ; Bogdanov, O. V. ; Geissel, H. ; Scheidenberger, C. / Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2013 ; Vol. 309. pp. 146-150.

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title = "Influence of slowing down in the radiator on the Cherenkov radiation angular distributions from relativistic heavy ions at FAIR, SPS and LHC energies",

abstract = "The calculations of Cherenkov radiation (ChR) angular distributions from relativistic heavy ions (RHI) at very high energies (from 30 GeV/u up to 3000 GeV/u) taking into account their slowing-down (ionization energy loss) in a radiator are performed for the first time. The slowing-down of RHI in an optically transparent solid radiator can drastically change the ChR angular distributions at RHI energies of order of 1 GeV/u. The results of calculation show that at higher RHI energies (>30 GeV/u) (FAIR, SPS and LHC), the ChR angular distribution (at the reasonable radiator thickness) is very close to the Tamm-Frank distribution and practically does not depend on the RHI slowing-down in a radiator, if only ionization energy loss is taken into account.",

keywords = "Cherenkov radiation, Ionization energy loss, Relativistic heavy ions, Slowing down",

author = "Fiks, {E. I.} and Pivovarov, {Y. L.} and Bogdanov, {O. V.} and H. Geissel and C. Scheidenberger",

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AU - Fiks, E. I.

AU - Pivovarov, Y. L.

AU - Bogdanov, O. V.

AU - Geissel, H.

AU - Scheidenberger, C.

PY - 2013/1/1

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N2 - The calculations of Cherenkov radiation (ChR) angular distributions from relativistic heavy ions (RHI) at very high energies (from 30 GeV/u up to 3000 GeV/u) taking into account their slowing-down (ionization energy loss) in a radiator are performed for the first time. The slowing-down of RHI in an optically transparent solid radiator can drastically change the ChR angular distributions at RHI energies of order of 1 GeV/u. The results of calculation show that at higher RHI energies (>30 GeV/u) (FAIR, SPS and LHC), the ChR angular distribution (at the reasonable radiator thickness) is very close to the Tamm-Frank distribution and practically does not depend on the RHI slowing-down in a radiator, if only ionization energy loss is taken into account.

AB - The calculations of Cherenkov radiation (ChR) angular distributions from relativistic heavy ions (RHI) at very high energies (from 30 GeV/u up to 3000 GeV/u) taking into account their slowing-down (ionization energy loss) in a radiator are performed for the first time. The slowing-down of RHI in an optically transparent solid radiator can drastically change the ChR angular distributions at RHI energies of order of 1 GeV/u. The results of calculation show that at higher RHI energies (>30 GeV/u) (FAIR, SPS and LHC), the ChR angular distribution (at the reasonable radiator thickness) is very close to the Tamm-Frank distribution and practically does not depend on the RHI slowing-down in a radiator, if only ionization energy loss is taken into account.

KW - Cherenkov radiation

KW - Ionization energy loss

KW - Relativistic heavy ions

KW - Slowing down

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