{"id":"https://openalex.org/W20937862","doi":null,"title":"FAST BEAM CHOPPER WITH MA CORES","display_name":"FAST BEAM CHOPPER WITH MA CORES","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W20937862","mag":"20937862"},"language":"en","primary_location":{"id":"mag:20937862","doi":null,"is_oa":false,"landing_page_url":"https://accelconf.web.cern.ch/accelconf/e00/PAPERS/THP5A08.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069213379","display_name":"Y. Shirakabe","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Y. Shirakabe","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019355293","display_name":"Chihiro Ohmori","orcid":"https://orcid.org/0000-0002-2832-1469","observed_orcids":["https://orcid.org/0000-0002-2832-1469"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chihiro Ohmori","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2832-1469","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110208589","display_name":"Akiko Takagi","orcid":"https://orcid.org/0000-0002-1200-3079","observed_orcids":["https://orcid.org/0000-0002-1200-3079"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Akiko Takagi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111969874","display_name":"M. Muto","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. Muto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024890395","display_name":"Weiren Chou","orcid":"https://orcid.org/0000-0002-2526-9749","observed_orcids":["https://orcid.org/0000-0002-2526-9749"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Weiren Chou","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5090129110","display_name":"Yuki Mori","orcid":"https://orcid.org/0000-0003-4208-0005","observed_orcids":["https://orcid.org/0000-0003-4208-0005","https://orcid.org/0009-0006-6591-5510"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuki Mori","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4208-0005","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1757,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.52947832,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.9810000061988831,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.9810000061988831,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11920","display_name":"Pulsed Power Technology Applications","score":0.01679999940097332,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12762","display_name":"Crystallography and Radiation Phenomena","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rfq","display_name":"RFQ","score":0.6230000257492065},{"id":"https://openalex.org/keywords/pulsed-power-supply","display_name":"pulsed power supply","score":0.7409999966621399},{"id":"https://openalex.org/keywords/himac","display_name":"HIMAC","score":0.843999981880188},{"id":"https://openalex.org/keywords/beam-capture","display_name":"beam capture","score":0.33500000834465027}],"concepts":[{"id":"https://openalex.org/C2780191706","wikidata":"https://www.wikidata.org/wiki/Q191658","display_name":"Chopper","level":3,"score":0.9858877658843994},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5766763091087341},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4948534369468689},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.4910922050476074},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.4452612102031708},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.39829811453819275},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.3845168948173523},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.35863667726516724},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.33042222261428833},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2207503318786621},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20104742050170898}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:20937862","doi":null,"is_oa":false,"landing_page_url":"https://accelconf.web.cern.ch/accelconf/e00/PAPERS/THP5A08.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W1725238013"],"related_works":["https://openalex.org/W1491775903","https://openalex.org/W2145443045","https://openalex.org/W6980157024","https://openalex.org/W2111938483","https://openalex.org/W2559662963","https://openalex.org/W3202667732","https://openalex.org/W2015840350","https://openalex.org/W2762070232","https://openalex.org/W2038997211","https://openalex.org/W2523025767"],"abstract_inverted_index":{"A":[0],"new":[1],"type":[2,112],"of":[3,24,31,49,113,117,129],"fast":[4,59],"beam":[5,17,33,120],"chopper":[6,12,53,80,85,131],"is":[7,13,34,92],"developed":[8],"and":[9,57,73,75,87],"tested.":[10],"The":[11,28,52,79],"basically":[14],"a":[15,38,58,76,84,88],"periodic":[16],"energy":[18,47],"transformer":[19],"which":[20],"performs":[21],"10%":[22],"modulation":[23],"beam\u2019s":[25],"kinetic":[26],"energy.":[27],"modulated":[29],"fraction":[30],"the":[32,43,50,95,118,122,130,136],"chopped":[35,119],"off":[36],"by":[37],"downstream":[39],"RFQ":[40],"due":[41],"to":[42,65],"relatively":[44],"narrow":[45],"injection":[46],"window":[48],"RFQ.":[51],"uses":[54],"magnetic-alloy":[55],"cores":[56],"highvoltage":[60],"transistor":[61],"switch":[62],"in":[63],"order":[64],"produce":[66],"output":[67],"voltage":[68],"pulses":[69],"with":[70,110],"short":[71],"rise-":[72],"fall-time":[74],"good":[77],"flat-top.":[78],"system,":[81],"that":[82,103],"includes":[83],"cavity":[86],"pulsed":[89],"power":[90,132],"supply,":[91,133],"installed":[93],"at":[94,121],"HIMAC":[96,123],"facility.":[97],"Test":[98],"operations":[99],"so":[100],"far":[101],"demonstrate":[102],"an":[104],"efficient":[105],"chopping":[106],"can":[107],"be":[108],"obtained":[109],"this":[111],"chopper.":[114],"Capture":[115],"experiments":[116],"main-ring,":[124],"as":[125,127],"well":[126],"improvements":[128],"are":[134],"on":[135],"way.":[137]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
