Total yield and spectra of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons

Аннотация

The hybrid scheme of positron source involving channeling radiation from 0.1 ÷ 1.6 GeV 〈1 0 0〉 channeled electrons in a crystalline W target (radiator) and subsequent electron-positron pair production in a downstream thick amorphous W target (converter) is investigated by means of computer simulation using the BCM-1 code. Computer simulation is carried out taking into account positron energy loss in a thick converter. Total yield of positrons as a function of the thickness of the converter as well as the energy spectrum of positrons for the chosen converter thickness are obtained. According to the calculations, the total yield of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons in a 10 µm W crystal equals 0.5 ÷ 160 positrons per 10³ incident electrons, respectively, with the maximum of positron energy spectrum in the energy range 1 ÷ 3 MeV. Calculations are performed within the framework of the planned experimental program at SPARC_LAB LNF.

Язык оригинала	Английский
Страницы (с-по)	54-57
Число страниц	4
Журнал	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Том	402
DOI	https://doi.org/10.1016/j.nimb.2017.03.105
Состояние	Опубликовано - 1 июл 2017

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Доступ к документу

10.1016/j.nimb.2017.03.105

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Total yield and spectra of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons. / Abdrashitov, S. V.; Bogdanov, O. V.; Dabagov, S. B.; Pivovarov, Yu L.; Tukhfatullin, T. A.

В: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Том 402, 01.07.2017, стр. 54-57.

Результат исследований: Материалы для журнала › Статья › рецензирование

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title = "Total yield and spectra of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons",

abstract = "The hybrid scheme of positron source involving channeling radiation from 0.1 ÷ 1.6 GeV 〈1 0 0〉 channeled electrons in a crystalline W target (radiator) and subsequent electron-positron pair production in a downstream thick amorphous W target (converter) is investigated by means of computer simulation using the BCM-1 code. Computer simulation is carried out taking into account positron energy loss in a thick converter. Total yield of positrons as a function of the thickness of the converter as well as the energy spectrum of positrons for the chosen converter thickness are obtained. According to the calculations, the total yield of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons in a 10 µm W crystal equals 0.5 ÷ 160 positrons per 103 incident electrons, respectively, with the maximum of positron energy spectrum in the energy range 1 ÷ 3 MeV. Calculations are performed within the framework of the planned experimental program at SPARC_LAB LNF.",

keywords = "Channeling radiation, Photon, Positron source",

author = "Abdrashitov, {S. V.} and Bogdanov, {O. V.} and Dabagov, {S. B.} and Pivovarov, {Yu L.} and Tukhfatullin, {T. A.}",

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T1 - Total yield and spectra of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons

AU - Abdrashitov, S. V.

AU - Bogdanov, O. V.

AU - Dabagov, S. B.

AU - Pivovarov, Yu L.

AU - Tukhfatullin, T. A.

PY - 2017/7/1

Y1 - 2017/7/1

N2 - The hybrid scheme of positron source involving channeling radiation from 0.1 ÷ 1.6 GeV 〈1 0 0〉 channeled electrons in a crystalline W target (radiator) and subsequent electron-positron pair production in a downstream thick amorphous W target (converter) is investigated by means of computer simulation using the BCM-1 code. Computer simulation is carried out taking into account positron energy loss in a thick converter. Total yield of positrons as a function of the thickness of the converter as well as the energy spectrum of positrons for the chosen converter thickness are obtained. According to the calculations, the total yield of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons in a 10 µm W crystal equals 0.5 ÷ 160 positrons per 103 incident electrons, respectively, with the maximum of positron energy spectrum in the energy range 1 ÷ 3 MeV. Calculations are performed within the framework of the planned experimental program at SPARC_LAB LNF.

AB - The hybrid scheme of positron source involving channeling radiation from 0.1 ÷ 1.6 GeV 〈1 0 0〉 channeled electrons in a crystalline W target (radiator) and subsequent electron-positron pair production in a downstream thick amorphous W target (converter) is investigated by means of computer simulation using the BCM-1 code. Computer simulation is carried out taking into account positron energy loss in a thick converter. Total yield of positrons as a function of the thickness of the converter as well as the energy spectrum of positrons for the chosen converter thickness are obtained. According to the calculations, the total yield of positrons produced by channeling radiation from 0.1 ÷ 1.6 GeV electrons in a 10 µm W crystal equals 0.5 ÷ 160 positrons per 103 incident electrons, respectively, with the maximum of positron energy spectrum in the energy range 1 ÷ 3 MeV. Calculations are performed within the framework of the planned experimental program at SPARC_LAB LNF.

KW - Channeling radiation

KW - Photon

KW - Positron source

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