{"id":"https://openalex.org/W2016662182","doi":"https://doi.org/10.1118/1.4813928","title":"SU\u2010C\u2010105\u201004: Measurement of Absorbed Dose Due to Secondary Radiation Produced by Passively Scattered and Uniformly Scanned Proton Beams","display_name":"SU\u2010C\u2010105\u201004: Measurement of Absorbed Dose Due to Secondary Radiation Produced by Passively Scattered and Uniformly Scanned Proton Beams","publication_year":2013,"publication_date":"2013-06-01","ids":{"openalex":"https://openalex.org/W2016662182","doi":"https://doi.org/10.1118/1.4813928","mag":"2016662182"},"language":"en","primary_location":{"id":"doi:10.1118/1.4813928","doi":"https://doi.org/10.1118/1.4813928","is_oa":false,"landing_page_url":"https://doi.org/10.1118/1.4813928","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"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/A5088502637","display_name":"Eric S. Diffenderfer","orcid":"https://orcid.org/0000-0002-4869-6575","observed_orcids":["https://orcid.org/0000-0002-4869-6575"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E Diffenderfer","raw_affiliation_strings":["University of Pennsylvania, Philadelphia, PA","Univ. of Pennsylvania, Philadelphia, PA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]},{"raw_affiliation_string":"Univ. of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047652105","display_name":"John E. McDonough","orcid":"https://orcid.org/0000-0003-2497-0258","observed_orcids":["https://orcid.org/0000-0003-2497-0258"]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J McDonough","raw_affiliation_strings":["University of Pennsylvania, Philadelphia, PA","Univ. of Pennsylvania, Philadelphia, PA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]},{"raw_affiliation_string":"Univ. of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109231212","display_name":"Richard L. Maughan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R Maughan","raw_affiliation_strings":["University of Pennsylvania, Philadelphia, PA","Univ. of Pennsylvania, Philadelphia, PA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]},{"raw_affiliation_string":"Univ. of Pennsylvania, Philadelphia, PA","institution_ids":["https://openalex.org/I79576946"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I79576946"],"apc_list":{"value":3360,"currency":"USD","value_usd":3360},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13254572,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"40","issue":"6Part2","first_page":"83","last_page":"83"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11176","display_name":"Radiation Therapy and Dosimetry","score":0.9785000085830688,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11176","display_name":"Radiation Therapy and Dosimetry","score":0.9785000085830688,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.020600000396370888,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T11949","display_name":"Nuclear Physics and Applications","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/proton-therapy","display_name":"proton therapy","score":0.7129999995231628},{"id":"https://openalex.org/keywords/secondary-radiation","display_name":"secondary radiation","score":0.6840000152587891},{"id":"https://openalex.org/keywords/neutron-dose","display_name":"neutron dose","score":0.7990000247955322},{"id":"https://openalex.org/keywords/absorbed-dose-to-water","display_name":"absorbed dose to water","score":0.8259999752044678},{"id":"https://openalex.org/keywords/radiotherapy-dosimetry","display_name":"radiotherapy dosimetry","score":0.6389999985694885}],"concepts":[{"id":"https://openalex.org/C181401712","wikidata":"https://www.wikidata.org/wiki/Q6085394","display_name":"Isocenter","level":3,"score":0.8217934966087341},{"id":"https://openalex.org/C34445779","wikidata":"https://www.wikidata.org/wiki/Q1571347","display_name":"Collimated light","level":3,"score":0.702516496181488},{"id":"https://openalex.org/C75088862","wikidata":"https://www.wikidata.org/wiki/Q2291081","display_name":"Dosimetry","level":2,"score":0.6848867535591125},{"id":"https://openalex.org/C152568617","wikidata":"https://www.wikidata.org/wiki/Q2348","display_name":"Neutron","level":2,"score":0.6440620422363281},{"id":"https://openalex.org/C151337348","wikidata":"https://www.wikidata.org/wiki/Q215313","display_name":"Absorbed dose","level":3,"score":0.5974752902984619},{"id":"https://openalex.org/C54516573","wikidata":"https://www.wikidata.org/wiki/Q2294","display_name":"Proton","level":2,"score":0.5908086895942688},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.5208193063735962},{"id":"https://openalex.org/C153385146","wikidata":"https://www.wikidata.org/wiki/Q18335","display_name":"Radiation","level":2,"score":0.5068996548652649},{"id":"https://openalex.org/C151770136","wikidata":"https://www.wikidata.org/wiki/Q640610","display_name":"Ionization chamber","level":4,"score":0.5042837858200073},{"id":"https://openalex.org/C90774946","wikidata":"https://www.wikidata.org/wiki/Q600711","display_name":"Percentage depth dose curve","level":5,"score":0.5018157958984375},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.45470815896987915},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.45287761092185974},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.43306854367256165},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3219992518424988},{"id":"https://openalex.org/C198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","level":3,"score":0.21379271149635315},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.1963026523590088},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.16564172506332397},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.08125695586204529},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.07580748200416565},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.0603446364402771},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1118/1.4813928","doi":"https://doi.org/10.1118/1.4813928","is_oa":false,"landing_page_url":"https://doi.org/10.1118/1.4813928","pdf_url":null,"source":{"id":"https://openalex.org/S95522064","display_name":"Medical Physics","issn_l":"0094-2405","issn":["0094-2405","1522-8541","2473-4209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4000000059604645,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2061333717","https://openalex.org/W1968320846","https://openalex.org/W2462992251","https://openalex.org/W2007238719","https://openalex.org/W2030841064","https://openalex.org/W3205264052","https://openalex.org/W2564225574","https://openalex.org/W6922092462","https://openalex.org/W2085301513","https://openalex.org/W2269932043"],"abstract_inverted_index":{"Purpose:":[0],"Using":[1],"the":[2,10,45,57,78,86,124,183,192,214,217,234,242,246,255,265,286,294,302,323,331],"dual":[3,46],"ionization":[4],"chamber":[5],"(IC)":[6],"method":[7,48],"we":[8],"compare":[9],"neutron":[11,128,202,224,247],"and":[12,32,81,104,109,140,155,204,225,249,270,281,288,307,318,325],"combined":[13],"gamma":[14],"+":[15],"proton":[16,35,68,93,132],"(\u03b3+p)":[17],"components":[18,58],"of":[19,49,59,98,169,199,285,322],"absorbed":[20,60],"dose":[21,61,129,133,149,166,181,203,244,248],"in":[22,55,73,178],"water":[23,74],"due":[24,62],"to":[25,63,85,114,240],"secondary":[26,64,147,179],"radiation":[27,65,171,180],"produced":[28,66],"by":[29,38,67,264,293,301,330],"passively":[30,90],"scattered":[31,209,229],"uniformly":[33],"scanned":[34,92,211,231],"beams":[36],"collimated":[37,113],"a":[39,170],"tungsten":[40],"MLC.":[41,125],"Methods:":[42],"We":[43],"adapt":[44],"IC":[47],"mixed":[50],"field":[51,119],"dosimetry":[52],"for":[53,89,138,143,153,158,182,195,201,206,208,228],"use":[54],"measuring":[56],"beams.":[69,94,145,212,232],"Measurements":[70],"are":[71,111,161,252,283,289,320,326],"performed":[72],"5":[75,189],"cm":[76,83,100,103,107,118,190,238],"beyond":[77,191],"distal":[79,193],"edge":[80,194],"15":[82,99,237],"lateral":[84,239],"beam":[87,216,235,257],"isocenter":[88,122],"scattered/uniformly":[91],"Beams":[95],"with":[96,123,197],"ranges":[97,134],"or":[101],"25":[102],"modulation":[105],"10":[106,115,117],"(R15M10":[108],"R25M10)":[110],"employed,":[112],"\u00d7":[116],"size":[120],"at":[121,188,236],"Results:":[126],"Measured":[127],"per":[130],"primary":[131],"from":[135],"0.2\u20130.4":[136],"mGy/Gy":[137,142,152,157],"R15M10":[139,154],"0.3\u20130.8":[141],"R25M10":[144,215],"The":[146,175],"\u03b3+p":[148,207,226,243],"is":[150,186,219],"0.3\u20130.7":[151],"0.5\u20132.0":[156],"R25M10.":[159],"Doses":[160],"reported":[162],"here":[163],"as":[164],"physical":[165],"without":[167],"application":[168],"quality":[172],"factor.":[173],"Conclusion:":[174],"largest":[176],"difference":[177,218],"two":[184,256],"modalities":[185],"seen":[187],"R15M10,":[196],"increases":[198],"40\u201350%":[200],"20%":[205],"over":[210,230],"For":[213],"smaller,":[220],"about":[221],"10%":[222],"higher":[223],"doses":[227],"Outside":[233],"isocenter,":[241],"dominates":[245],"smaller":[250],"differences":[251],"observed":[253],"between":[254],"delivery":[258],"modalities.":[259],"This":[260,297],"work":[261,298],"was":[262,299],"supported":[263,300],"US":[266,295,303,332],"Army":[267,304],"Medical":[268,305],"Research":[269,306],"Materiel":[271,308],"Command":[272,309],"under":[273,310],"Contract":[274,311],"Agreement":[275,312],"No.":[276,313],"DAMD17\u2010W81XWH\u201007\u20102\u20100121.":[277,314],"Opinions,":[278,315],"interpretations,":[279,316],"conclusions":[280,317],"recommendations":[282,319],"those":[284,321],"author":[287,324],"not":[290,327],"necessarily":[291,328],"endorsed":[292,329],"Army.":[296,333]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}
