Supershort Avalanche Electron Beams and X-rays in Atmospheric-Pressure Air
The conditions for the generation of runaway electron beams with maximum amplitudes and soft X-rays with maximum exposure doses in a nanosecond discharge in atmospheric-pressure air were determined. A supershort avalanche electron beam (SAEB) with a current of amplitude ~50 A, a current pulse of ful...
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| Veröffentlicht in: | IEEE transactions on plasma science 2010-04, Vol.38 (4), p.741-750 |
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| container_title | IEEE transactions on plasma science |
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| creator | Tarasenko, Victor F Baksht, Evgenii Kh Burachenko, Alexander G Kostyrya, Igor D Lomaev, Mikhail I Rybka, Dmitri V |
| description | The conditions for the generation of runaway electron beams with maximum amplitudes and soft X-rays with maximum exposure doses in a nanosecond discharge in atmospheric-pressure air were determined. A supershort avalanche electron beam (SAEB) with a current of amplitude ~50 A, a current pulse of full-width at half-maximum (FWHM) ~ 100 ps, and a current density up to 20 A/cm 2 was recorded downstream of the gas diode foil. It is shown that the maximum of the SAEB current amplitude shifts in time relative to the voltage pulse rise as a collector is displaced over the foil surface. A source of soft X-rays with an FWHM of less than 200 ps and an exposure doze of ~3 mR per pulse was designed based on a SLEP-150 pulser (maximum voltage amplitude ~140 kV, FWHM ~1 ns, and pulse rise time ~0.3 ns). It is demonstrated that X-ray quanta with an effective energy of ~9 keV make a major contribution to the exposure dose. |
| doi_str_mv | 10.1109/TPS.2009.2037908 |
| format | Article |
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A supershort avalanche electron beam (SAEB) with a current of amplitude ~50 A, a current pulse of full-width at half-maximum (FWHM) ~ 100 ps, and a current density up to 20 A/cm 2 was recorded downstream of the gas diode foil. It is shown that the maximum of the SAEB current amplitude shifts in time relative to the voltage pulse rise as a collector is displaced over the foil surface. A source of soft X-rays with an FWHM of less than 200 ps and an exposure doze of ~3 mR per pulse was designed based on a SLEP-150 pulser (maximum voltage amplitude ~140 kV, FWHM ~1 ns, and pulse rise time ~0.3 ns). It is demonstrated that X-ray quanta with an effective energy of ~9 keV make a major contribution to the exposure dose.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/TPS.2009.2037908</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplitudes ; Atmospheric pressure ; Cathodes ; Current density ; Density ; Diffuse discharge ; Diodes ; Electron avalanche ; Electron beams ; electron beams in gases ; Electrons ; Foils ; Gases ; Laboratories ; Nanostructure ; Nonuniform electric fields ; Plasma ; Pulse generators ; Pulse measurements ; runaway electrons ; Soft x-rays ; Voltage ; X-rays</subject><ispartof>IEEE transactions on plasma science, 2010-04, Vol.38 (4), p.741-750</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Apr 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-9e0cc75728d97878951855fe557d76621ed3ce701423c1b6ebfb2bf3710c0b133</citedby><cites>FETCH-LOGICAL-c421t-9e0cc75728d97878951855fe557d76621ed3ce701423c1b6ebfb2bf3710c0b133</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5373876$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54737</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5373876$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Tarasenko, Victor F</creatorcontrib><creatorcontrib>Baksht, Evgenii Kh</creatorcontrib><creatorcontrib>Burachenko, Alexander G</creatorcontrib><creatorcontrib>Kostyrya, Igor D</creatorcontrib><creatorcontrib>Lomaev, Mikhail I</creatorcontrib><creatorcontrib>Rybka, Dmitri V</creatorcontrib><title>Supershort Avalanche Electron Beams and X-rays in Atmospheric-Pressure Air</title><title>IEEE transactions on plasma science</title><addtitle>TPS</addtitle><description>The conditions for the generation of runaway electron beams with maximum amplitudes and soft X-rays with maximum exposure doses in a nanosecond discharge in atmospheric-pressure air were determined. A supershort avalanche electron beam (SAEB) with a current of amplitude ~50 A, a current pulse of full-width at half-maximum (FWHM) ~ 100 ps, and a current density up to 20 A/cm 2 was recorded downstream of the gas diode foil. It is shown that the maximum of the SAEB current amplitude shifts in time relative to the voltage pulse rise as a collector is displaced over the foil surface. A source of soft X-rays with an FWHM of less than 200 ps and an exposure doze of ~3 mR per pulse was designed based on a SLEP-150 pulser (maximum voltage amplitude ~140 kV, FWHM ~1 ns, and pulse rise time ~0.3 ns). It is demonstrated that X-ray quanta with an effective energy of ~9 keV make a major contribution to the exposure dose.</description><subject>Amplitudes</subject><subject>Atmospheric pressure</subject><subject>Cathodes</subject><subject>Current density</subject><subject>Density</subject><subject>Diffuse discharge</subject><subject>Diodes</subject><subject>Electron avalanche</subject><subject>Electron beams</subject><subject>electron beams in gases</subject><subject>Electrons</subject><subject>Foils</subject><subject>Gases</subject><subject>Laboratories</subject><subject>Nanostructure</subject><subject>Nonuniform electric fields</subject><subject>Plasma</subject><subject>Pulse generators</subject><subject>Pulse measurements</subject><subject>runaway electrons</subject><subject>Soft x-rays</subject><subject>Voltage</subject><subject>X-rays</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkc1Lw0AQxRdRsH7cBS_Bi16iMzvZ7O6xip8ULKjgLSTbCY20Sd1NBP97t1Q8eNDDzBzm94bHPCGOEM4RwV48T5_OJYCNjbQFsyVGaMmmlrTaFqO4oZQM0q7YC-ENADMFciQenoYV-zDvfJ-MP8pF2bo5J9cLdr3v2uSSy2VIynaWvKa-_AxJ0ybjftmF1Zx949Kp5xAGz8m48Qdipy4XgQ-_5754ubl-vrpLJ4-391fjSeoyiX1qGZzTSkszs9poYxUapWpWSs90nkvkGTnW0aAkh1XOVV3JqiaN4KBCon1xurm78t37wKEvlk1wvIjeuRtCYWVOKA1kkTz7k0StSEnMgf5Hc41kFJD6HwUjJVjM1gZOfqFv3eDb-J0CbYZqXRGCDeR8F4Lnulj5Zln6z3ipWGdbxGyLdbbFd7ZRcryRNMz8gyvSZHROX4dUnFk</recordid><startdate>201004</startdate><enddate>201004</enddate><creator>Tarasenko, Victor F</creator><creator>Baksht, Evgenii Kh</creator><creator>Burachenko, Alexander G</creator><creator>Kostyrya, Igor D</creator><creator>Lomaev, Mikhail I</creator><creator>Rybka, Dmitri V</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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A supershort avalanche electron beam (SAEB) with a current of amplitude ~50 A, a current pulse of full-width at half-maximum (FWHM) ~ 100 ps, and a current density up to 20 A/cm 2 was recorded downstream of the gas diode foil. It is shown that the maximum of the SAEB current amplitude shifts in time relative to the voltage pulse rise as a collector is displaced over the foil surface. A source of soft X-rays with an FWHM of less than 200 ps and an exposure doze of ~3 mR per pulse was designed based on a SLEP-150 pulser (maximum voltage amplitude ~140 kV, FWHM ~1 ns, and pulse rise time ~0.3 ns). It is demonstrated that X-ray quanta with an effective energy of ~9 keV make a major contribution to the exposure dose.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPS.2009.2037908</doi><tpages>10</tpages></addata></record> |
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| subjects | Amplitudes Atmospheric pressure Cathodes Current density Density Diffuse discharge Diodes Electron avalanche Electron beams electron beams in gases Electrons Foils Gases Laboratories Nanostructure Nonuniform electric fields Plasma Pulse generators Pulse measurements runaway electrons Soft x-rays Voltage X-rays |
| title | Supershort Avalanche Electron Beams and X-rays in Atmospheric-Pressure Air |
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