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Triton burn-up neut...
Triton burn-up neutron emission in JET low current plasmas
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- Sjöstrand, Henrik (author)
- Uppsala universitet,Tillämpad kärnfysik
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Gorini, Giuseppe (author)
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- Conroy, Sean (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Ericsson, Göran (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Giacomelli, Luca (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Henriksson, Hans (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Hjalmarsson, Anders (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Källne, Jan (author)
- Uppsala universitet,Tillämpad kärnfysik
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Palma, Diego (author)
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Popovichev, Sergey (author)
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Tardocchi, Marco (author)
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- Weiszflog, Matthias (author)
- Uppsala universitet,Tillämpad kärnfysik
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EFDA contributors, JET (author)
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(creator_code:org_t)
- 2008-05-16
- 2008
- English.
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In: Journal of Physics D. - : IOP Publishing. - 0022-3727 .- 1361-6463. ; 41:11, s. 115208-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The 14 MeV neutron emission from JET deuterium discharges is analysed on the basis of the information on all neutron diagnostics available on JET. This emission is due to the d + t → α + n reaction, mainly, the triton burn-up process, and is used to determine the fast triton confinement. A simplified model for triton burn-up neutron emission has been used and provides an adequate description of the 14 MeV emission. First orbit triton losses are found to amount to 50%, 20% and 10% at Ip = 1 MA, 2 MA and 3 MA, respectively. Neutron emission spectroscopy measurements with the magnetic proton recoil neutron spectrometer have detected a contribution to the 14 MeV emission due to residual tritium. For the selected (low impurity) discharges analysed in this paper 15% of the 14 MeV emission comes from the residual tritium reactions. It is also found that the residual tritium concentration tends to increase with increasing impurity content.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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Sjöstrand, Henri ...
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Gorini, Giuseppe
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Conroy, Sean
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Ericsson, Göran
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Giacomelli, Luca
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Henriksson, Hans
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Hjalmarsson, And ...
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Källne, Jan
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Palma, Diego
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Popovichev, Serg ...
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Tardocchi, Marco
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Weiszflog, Matth ...
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EFDA contributor ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Journal of Physi ...
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Uppsala University