A lanthanum bromide detector of runaway electrons for TCV
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F25%3A00648099" target="_blank" >RIV/61389021:_____/25:00648099 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/25:00385104
Result on the web
<a href="https://pubs.aip.org/aip/rsi/article/96/9/093501/3361441/A-lanthanum-bromide-detector-of-runaway-electrons" target="_blank" >https://pubs.aip.org/aip/rsi/article/96/9/093501/3361441/A-lanthanum-bromide-detector-of-runaway-electrons</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1063/5.0277312" target="_blank" >10.1063/5.0277312</a>
Alternative languages
Result language
angličtina
Original language name
A lanthanum bromide detector of runaway electrons for TCV
Original language description
The safe control and dissipation of Runaway Electrons (REs) generated in tokamak plasmas is vital for the operation of future fusion reactors. Measuring the evolution of RE energy in tokamaks is important for understanding their generation, transport, and termination. A new gamma ray spectrometer using a 2″ × 2″ cylindrical, cerium doped lanthanum bromide (LaBr3:Ce) scintillator coupled to a fast photomultiplier tube was developed for studying runaway electrons on the Tokamak à Configuration Variable (TCV). This diagnostic is capable of measuring the RE bremsstrahlung energy spectrum between 1 and 20 MeV with a peak height resolution of 1.91% at 1.44 MeV. A calibration of the detector using its self-emission up to 2.66 MeV was performed and modeled using Geant4. This model was then applied to predict the detector response to photons originating from TCV. The diagnostic was employed to measure the high energy Hard X-Ray (HXR) spectrum with energies in the range from 0.5 MeV to ∼ 8 M e V on TCV for the first time. In TCV, the observations made with this system are demonstrated to provide insights into the change in RE energies during current ramps.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10304 - Nuclear physics
Result continuities
Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Review of Scientific Instruments
ISSN
0034-6748
e-ISSN
1089-7623
Volume of the periodical
96
Issue of the periodical within the volume
9
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
093501
UT code for WoS article
001566040600001
EID of the result in the Scopus database
2-s2.0-105015298327