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초강력레이저과학연구단
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Characterization of relativistic electron–positron beams produced with laser-accelerated GeV electrons

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dc.contributor.authorHoon Song-
dc.contributor.authorChul Min Kim-
dc.contributor.authorJunho Won-
dc.contributor.authorJaehyun Song-
dc.contributor.authorSeong Min Lee-
dc.contributor.authorChnag Mo Ryu-
dc.contributor.authorWoosuk Bang-
dc.contributor.authorChang Hee Nam-
dc.date.accessioned2023-02-01T22:00:28Z-
dc.date.available2023-02-01T22:00:28Z-
dc.date.created2023-01-19-
dc.date.issued2023-01-
dc.identifier.issn2045-2322-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/13004-
dc.description.abstractThe characterization of an electron–positron beam generated from the interaction of a multi-GeV electron beam with a lead plate is performed using GEANT4 simulations. The dependence of the positron beam size on driver electron beam energy and lead converter thickness is investigated in detail. A pancake-like positron beam structure is generated with a monoenergetic multi-GeV driver electron beam, with the results indicating that a 5 GeV driver electron beam with 1 nC charge can generate a positron beam with a density of 1015–1016 cm−3 at one radiation length of lead. In addition, we find that electron–positron beams generated using above-GeV electron beams have neutralities greater than 0.3 at one radiation length of lead, whereas neutralities of 0.2 are observed when using a 200 MeV electron beam. The possibility of observing plasma instabilities in experiments is also examined by comparing the plasma skin depth with the electron–positron beam size. A quasi-neutral electron–positron plasma can be produced in the interaction between a 1 nC, 5 GeV electron beam and lead with a thickness of five radiation lengths. Our findings will aid in analyzing and interpreting laser-produced electron–positron plasma for laboratory astrophysics research. © 2023, The Author(s).-
dc.language영어-
dc.publisherNature Research-
dc.titleCharacterization of relativistic electron–positron beams produced with laser-accelerated GeV electrons-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid001031438900052-
dc.identifier.scopusid2-s2.0-85145701730-
dc.identifier.rimsid79721-
dc.contributor.affiliatedAuthorHoon Song-
dc.contributor.affiliatedAuthorChul Min Kim-
dc.contributor.affiliatedAuthorJunho Won-
dc.contributor.affiliatedAuthorJaehyun Song-
dc.contributor.affiliatedAuthorSeong Min Lee-
dc.contributor.affiliatedAuthorChnag Mo Ryu-
dc.contributor.affiliatedAuthorWoosuk Bang-
dc.contributor.affiliatedAuthorChang Hee Nam-
dc.identifier.doi10.1038/s41598-023-27617-0-
dc.identifier.bibliographicCitationScientific Reports, v.13, no.1-
dc.relation.isPartOfScientific Reports-
dc.citation.titleScientific Reports-
dc.citation.volume13-
dc.citation.number1-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
dc.subject.keywordAuthorLaser-Plasma Interaction-
dc.subject.keywordAuthorElectron-
dc.subject.keywordAuthorElectron-positron Pairs-
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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