X-ray analysis of electron Bernstein wave heating in MST
A pulse height analyzing x-ray tomography system has been developed to detect x-rays from electron Bernstein wave heated electrons in the Madison symmetric torus reversed field pinch (RFP). Cadmium zinc telluride detectors are arranged in a parallel beam array with two orthogonal multi-chord detecto...
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| Veröffentlicht in: | Review of scientific instruments 2016-11, Vol.87 (11), p.11E329-11E329 |
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| container_issue | 11 |
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| container_title | Review of scientific instruments |
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| creator | Seltzman, A. H. Anderson, J. K. DuBois, A. M. Almagri, A. Forest, C. B. |
| description | A pulse height analyzing x-ray tomography system has been developed to detect x-rays from electron Bernstein wave heated electrons in the Madison symmetric torus reversed field pinch (RFP). Cadmium zinc telluride detectors are arranged in a parallel beam array with two orthogonal multi-chord detectors that may be used for tomography. In addition a repositionable 16 channel fan beam camera with a 55° field of view is used to augment data collected with the Hard X-ray array. The chord integrated signals identify target emission from RF heated electrons striking a limiter located 12° toroidally away from the RF injection port. This provides information on heated electron spectrum, transport, and diffusion. RF induced x-ray emission from absorption on harmonic electron cyclotron resonances in low current ( |
| doi_str_mv | 10.1063/1.4960161 |
| format | Article |
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H. ; Anderson, J. K. ; DuBois, A. M. ; Almagri, A. ; Forest, C. B.</creator><creatorcontrib>Seltzman, A. H. ; Anderson, J. K. ; DuBois, A. M. ; Almagri, A. ; Forest, C. B.</creatorcontrib><description>A pulse height analyzing x-ray tomography system has been developed to detect x-rays from electron Bernstein wave heated electrons in the Madison symmetric torus reversed field pinch (RFP). Cadmium zinc telluride detectors are arranged in a parallel beam array with two orthogonal multi-chord detectors that may be used for tomography. In addition a repositionable 16 channel fan beam camera with a 55° field of view is used to augment data collected with the Hard X-ray array. The chord integrated signals identify target emission from RF heated electrons striking a limiter located 12° toroidally away from the RF injection port. This provides information on heated electron spectrum, transport, and diffusion. RF induced x-ray emission from absorption on harmonic electron cyclotron resonances in low current (<250 kA) RFP discharges has been observed.</description><identifier>ISSN: 0034-6748</identifier><identifier>EISSN: 1089-7623</identifier><identifier>DOI: 10.1063/1.4960161</identifier><identifier>PMID: 27910551</identifier><identifier>CODEN: RSINAK</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>ABSORPTION ; BEAMS ; BERNSTEIN MODE ; Bernstein waves ; CADMIUM TELLURIDES ; Cadmium zinc tellurides ; CAMERAS ; Cyclotron resonance ; CYCLOTRONS ; Detectors ; ELECTRON CYCLOTRON-RESONANCE ; ELECTRON SPECTRA ; ELECTRONS ; EMISSION ; Field of view ; HARD X RADIATION ; HEATING ; INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; Intermetallic compounds ; Low currents ; PLASMA WAVES ; Pulse amplitude ; REVERSE-FIELD PINCH ; REVERSED-FIELD PINCH DEVICES ; Scientific apparatus & instruments ; Target recognition ; TOMOGRAPHY ; Toruses ; X ray analysis ; X-rays ; Zinc telluride ; ZINC TELLURIDES</subject><ispartof>Review of scientific instruments, 2016-11, Vol.87 (11), p.11E329-11E329</ispartof><rights>Author(s)</rights><rights>2016 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-78114b9d34b2dd933c88c809e1c1f4c8d2e1603646a936d1437b0bd05633221b3</citedby><cites>FETCH-LOGICAL-c411t-78114b9d34b2dd933c88c809e1c1f4c8d2e1603646a936d1437b0bd05633221b3</cites><orcidid>0000-0002-9644-5076</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/rsi/article-lookup/doi/10.1063/1.4960161$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,780,784,794,885,4512,27924,27925,76384</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27910551$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22596461$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Seltzman, A. H.</creatorcontrib><creatorcontrib>Anderson, J. K.</creatorcontrib><creatorcontrib>DuBois, A. M.</creatorcontrib><creatorcontrib>Almagri, A.</creatorcontrib><creatorcontrib>Forest, C. B.</creatorcontrib><title>X-ray analysis of electron Bernstein wave heating in MST</title><title>Review of scientific instruments</title><addtitle>Rev Sci Instrum</addtitle><description>A pulse height analyzing x-ray tomography system has been developed to detect x-rays from electron Bernstein wave heated electrons in the Madison symmetric torus reversed field pinch (RFP). Cadmium zinc telluride detectors are arranged in a parallel beam array with two orthogonal multi-chord detectors that may be used for tomography. In addition a repositionable 16 channel fan beam camera with a 55° field of view is used to augment data collected with the Hard X-ray array. The chord integrated signals identify target emission from RF heated electrons striking a limiter located 12° toroidally away from the RF injection port. This provides information on heated electron spectrum, transport, and diffusion. RF induced x-ray emission from absorption on harmonic electron cyclotron resonances in low current (<250 kA) RFP discharges has been observed.</description><subject>ABSORPTION</subject><subject>BEAMS</subject><subject>BERNSTEIN MODE</subject><subject>Bernstein waves</subject><subject>CADMIUM TELLURIDES</subject><subject>Cadmium zinc tellurides</subject><subject>CAMERAS</subject><subject>Cyclotron resonance</subject><subject>CYCLOTRONS</subject><subject>Detectors</subject><subject>ELECTRON CYCLOTRON-RESONANCE</subject><subject>ELECTRON SPECTRA</subject><subject>ELECTRONS</subject><subject>EMISSION</subject><subject>Field of view</subject><subject>HARD X RADIATION</subject><subject>HEATING</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>Intermetallic compounds</subject><subject>Low currents</subject><subject>PLASMA WAVES</subject><subject>Pulse amplitude</subject><subject>REVERSE-FIELD PINCH</subject><subject>REVERSED-FIELD PINCH DEVICES</subject><subject>Scientific apparatus & instruments</subject><subject>Target recognition</subject><subject>TOMOGRAPHY</subject><subject>Toruses</subject><subject>X ray analysis</subject><subject>X-rays</subject><subject>Zinc telluride</subject><subject>ZINC TELLURIDES</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90E9LBCEYBnCJoratQ18gBrpUMOWrjqPHWvoHGx0q6CaO49TErG46u7HfPmO37RDkRYSfj68PQgeAzwBzeg5nTHIMHDbQALCQeckJ3UQDjCnLecnEDtqN8R2nVQBsox1SSsBFAQMkXvKgF5l2ulvENma-yWxnTR-8yy5tcLG3rcs-9dxmb1b3rXvN0vn-8WkPbTW6i3Z_tQ_R8_XV0-g2Hz_c3I0uxrlhAH1eCgBWyZqyitS1pNQIYQSWFgw0zIiaWOCYcsa1pLwGRssKVzUuOKWEQEWH6GiZ62Pfqmja3po3451LQypCCpmuQlLHSzUN_mNmY68mbTS267SzfhYVCFYIilnKXweu6bufhfT_qAgQ4JKKokjqZKlM8DEG26hpaCc6LBRg9V26ArUqPdnDVeKsmth6LX9aTuB0Cb7HTyV6tzZzH36T1LRu_sN_n_4CqaOTUA</recordid><startdate>20161101</startdate><enddate>20161101</enddate><creator>Seltzman, A. H.</creator><creator>Anderson, J. K.</creator><creator>DuBois, A. M.</creator><creator>Almagri, A.</creator><creator>Forest, C. B.</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-9644-5076</orcidid></search><sort><creationdate>20161101</creationdate><title>X-ray analysis of electron Bernstein wave heating in MST</title><author>Seltzman, A. H. ; Anderson, J. K. ; DuBois, A. M. ; Almagri, A. ; Forest, C. B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-78114b9d34b2dd933c88c809e1c1f4c8d2e1603646a936d1437b0bd05633221b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ABSORPTION</topic><topic>BEAMS</topic><topic>BERNSTEIN MODE</topic><topic>Bernstein waves</topic><topic>CADMIUM TELLURIDES</topic><topic>Cadmium zinc tellurides</topic><topic>CAMERAS</topic><topic>Cyclotron resonance</topic><topic>CYCLOTRONS</topic><topic>Detectors</topic><topic>ELECTRON CYCLOTRON-RESONANCE</topic><topic>ELECTRON SPECTRA</topic><topic>ELECTRONS</topic><topic>EMISSION</topic><topic>Field of view</topic><topic>HARD X RADIATION</topic><topic>HEATING</topic><topic>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</topic><topic>Intermetallic compounds</topic><topic>Low currents</topic><topic>PLASMA WAVES</topic><topic>Pulse amplitude</topic><topic>REVERSE-FIELD PINCH</topic><topic>REVERSED-FIELD PINCH DEVICES</topic><topic>Scientific apparatus & instruments</topic><topic>Target recognition</topic><topic>TOMOGRAPHY</topic><topic>Toruses</topic><topic>X ray analysis</topic><topic>X-rays</topic><topic>Zinc telluride</topic><topic>ZINC TELLURIDES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seltzman, A. H.</creatorcontrib><creatorcontrib>Anderson, J. K.</creatorcontrib><creatorcontrib>DuBois, A. M.</creatorcontrib><creatorcontrib>Almagri, A.</creatorcontrib><creatorcontrib>Forest, C. B.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Review of scientific instruments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seltzman, A. H.</au><au>Anderson, J. K.</au><au>DuBois, A. M.</au><au>Almagri, A.</au><au>Forest, C. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>X-ray analysis of electron Bernstein wave heating in MST</atitle><jtitle>Review of scientific instruments</jtitle><addtitle>Rev Sci Instrum</addtitle><date>2016-11-01</date><risdate>2016</risdate><volume>87</volume><issue>11</issue><spage>11E329</spage><epage>11E329</epage><pages>11E329-11E329</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>A pulse height analyzing x-ray tomography system has been developed to detect x-rays from electron Bernstein wave heated electrons in the Madison symmetric torus reversed field pinch (RFP). Cadmium zinc telluride detectors are arranged in a parallel beam array with two orthogonal multi-chord detectors that may be used for tomography. In addition a repositionable 16 channel fan beam camera with a 55° field of view is used to augment data collected with the Hard X-ray array. The chord integrated signals identify target emission from RF heated electrons striking a limiter located 12° toroidally away from the RF injection port. This provides information on heated electron spectrum, transport, and diffusion. RF induced x-ray emission from absorption on harmonic electron cyclotron resonances in low current (<250 kA) RFP discharges has been observed.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>27910551</pmid><doi>10.1063/1.4960161</doi><tpages>3</tpages><orcidid>https://orcid.org/0000-0002-9644-5076</orcidid></addata></record> |
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| ispartof | Review of scientific instruments, 2016-11, Vol.87 (11), p.11E329-11E329 |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | ABSORPTION BEAMS BERNSTEIN MODE Bernstein waves CADMIUM TELLURIDES Cadmium zinc tellurides CAMERAS Cyclotron resonance CYCLOTRONS Detectors ELECTRON CYCLOTRON-RESONANCE ELECTRON SPECTRA ELECTRONS EMISSION Field of view HARD X RADIATION HEATING INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Intermetallic compounds Low currents PLASMA WAVES Pulse amplitude REVERSE-FIELD PINCH REVERSED-FIELD PINCH DEVICES Scientific apparatus & instruments Target recognition TOMOGRAPHY Toruses X ray analysis X-rays Zinc telluride ZINC TELLURIDES |
| title | X-ray analysis of electron Bernstein wave heating in MST |
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