Technical HE after Corona
نویسندگان
چکیده
منابع مشابه
Atomic and molecular spectra emitted by normal liquid 4 He excited by corona discharge
The liquid He at fixed temperature 4.2 K and different pressures up to 8 MPa was excited by corona discharge of both negative and positive polarity. Emission of He I atomic lines and He2 molecular bands are observed. In negative corona the lines spectra show a distinct blue-shift and line-broadening, which becomes stronger with the pressure increasing. The rotational structure of molecular band...
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Time-of-flight measurements were made of neutral helium atom beams extracted from a repetitive, pulsed, positive-point corona discharge. Two strong neutral peaks, one fast and one slow, were observed, accompanied by a prompt photon peak and a fast ion peak. All peaks were correlated with the pulsing of the discharge. The two types of atoms appear to be formed by different mechanisms at differen...
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A new method for assessing the site-specific emission from electronically excited helium droplets is presented. The fluorescence features of helium droplets show sharp rotationally resolved lines indicating desorption of excimers and emission far outside the droplets as well as blue-shifted and strongly broadened features due to emission of excimers confined in cavities within the droplets. A t...
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ژورنال
عنوان ژورنال: Revista Romana de Inginerie Civila/Romanian Journal of Civil Engineering
سال: 2020
ISSN: 2068-3987,2559-7485
DOI: 10.37789/rjce.2020.11.4.12