Chirping instabilities produced by a runaway electron beam at a spherical tokamak

被引：0

作者：

I M BALACHENKOV ^{[1
]}

N N BAKHAREV ^{[1
]}

V K GUSEV ^{[1
]}

M V ILIASOVA ^{[1
]}

E M KHILKEVICH ^{[1
]}

P S KORENEV ^{[2
]}

A E KONKOV ^{[2
]}

V B MINAEV ^{[1
]}

Yu V MITRIZHKIN ^{[2
]}

M I PATROV ^{[1
]}

Yu V PETROV ^{[1
]}

N V SAKHAROV ^{[1
]}

A E SHEVELEV ^{[1
]}

O M SKREKEL ^{[1
]}

机构：

[1] Ioffe Institute

[2] Lomonosov Moscow State

来源：

Plasma Science and Technology. | 2023年 / 25卷 / 07期

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D O I：

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摘要：

A single-crystal diamond detector is fabricated to diagnose 14.1 MeV deuterium-tritium（D-T）fusion neutrons.The size of its diamond film is 4.5 mm × 4.5 mm × 500 μm.This film is sandwiched by a flat,strip-patterned gold electrode.The dark current of this detector is experimentally measured to be lower than 0.1 nA under an electric field of 30 kV cm-1.This diamond detector is used to measure D-T fusion neutrons with a flux of about 7.5 × 105 s-1cm-2.The pronounced peak with a central energy of 8.28 MeV characterizing the 12C（n,α）9Be reaction in the neutron energy spectrum is experimentally diagnosed,and the energy resolution is better than 1.69%,which is the best result reported so far using a diamond detector.A clear peak with a central energy of 6.52 MeV characterizing the 12C（n,n'） 3α reaction is also identified with an energy resolution of better than 7.67%.

引用

页数：6

共 50 条

[1] Chirping instabilities produced by a runaway electron beam at a spherical tokamak
I M BALACHENKOV
N N BAKHAREV
V K GUSEV
M V ILIASOVA
E M KHILKEVICH
P S KORENEV
A E KONKOV
V B MINAEV
Yu V MITRIZHKIN
M I PATROV
Yu V PETROV
N V SAKHAROV
A E SHEVELEV
O M SKREKEL
[J]. Plasma Science and Technology, 2023, (07) : 23 - 28
[2] Chirping instabilities produced by a runaway electron beam at a spherical tokamak
Balachenkov, I. M.
Bakharev, N. N.
Gusev, V. K.
Iliasova, M., V
Khilkevich, E. M.
Korenev, P. S.
Konkov, A. E.
Minaev, V. B.
Mitrizhkin, Yu, V
Patrov, M., I
Petrov, Yu, V
Sakharov, N., V
Shevelev, A. E.
Skrekel, O. M.
[J]. PLASMA SCIENCE & TECHNOLOGY, 2023, 25 (07):
[3] Observation of rapid frequency chirping instabilities driven by runaway electrons in a tokamak
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