Evaluation of delayed neutron yields and time spectra from photofission of 238 U induced by Bremsstrahlung photons below 9 MeV
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| Titel: | Evaluation of delayed neutron yields and time spectra from photofission of 238 U induced by Bremsstrahlung photons below 9 MeV |
|---|---|
| Autoren: | Sari, Adrien, Elayeb, Aly, de Stefano, Roberto, Meleshenkovskii, Iaroslav, Michel, Maugan, Carrel, Frédérick |
| Weitere Verfasser: | Laboratoire Capteurs et Architectures Electroniques (CEA, LIST) (LCAE (CEA, LIST)), Département Métrologie Instrumentation & Information (CEA, LIST) (DM2I (CEA, LIST)), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay |
| Quelle: | 15th International Conference on Nuclear Data for Science and Technology (ND2022) https://cea.hal.science/cea-04169501 15th International Conference on Nuclear Data for Science and Technology (ND2022), Jul 2022, Sacramento, United States. pp.11002, ⟨10.1051/epjconf/202328411002⟩ |
| Verlagsinformationen: | CCSD |
| Publikationsjahr: | 2022 |
| Schlagwörter: | U-238, nuclear instrumentation, instrumentation, particle transport, simulation, Monte Carlo, reference source, SAPHIR, linac, actinides, photofission, neutrons, spectrum analysis, radioactivity, ionizing radiation, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [PHYS.PHYS.PHYS-DATA-AN]Physics [physics]/Physics [physics]/Data Analysis, Statistics and Probability [physics.data-an] |
| Geographisches Schlagwort: | Sacramento, United States |
| Time: | Sacramento, United States |
| Beschreibung: | International audience ; Few data exist regarding the yields and time spectra of delayed neutrons from the photofission reaction on actinides. In this paper, we report the characteristics of both six-group and eight-group delayed neutron time models for the photofission of U-238 induced by a Bremsstrahlung photon spectrum with an end-point energy at 9 MeV. This study was conducted using a 9 MeV linear electron accelerator housed at the SAPHIR platform located at CEA Paris-Saclay, France. A reference sample of depleted uranium was positioned inside a neutron detection block, previously designed and optimized by Monte Carlo simulation, made of high-density polyethylene covered by cadmium and including ten one meter-long He-3 proportional counters. Based on the consistent set of half-lives proposed by Spriggs et al. as early as 1999 for neutron induced fission, our description in eight delayed neutron groups for U-238 at 9 MeV is the first published for photofission. These new results bring valuable information to the scarce data available in the literature and represent useful inputs for the development of photofission-based nuclear measurement systems as they meet a significant interest in the fields of nuclear data, radioactive waste package characterization and for security-related applications. |
| Publikationsart: | conference object |
| Sprache: | English |
| DOI: | 10.1051/epjconf/202328411002 |
| Verfügbarkeit: | https://cea.hal.science/cea-04169501 https://cea.hal.science/cea-04169501v1/document https://cea.hal.science/cea-04169501v1/file/epjconf_nd2023_11002.pdf https://doi.org/10.1051/epjconf/202328411002 |
| Rights: | info:eu-repo/semantics/OpenAccess |
| Dokumentencode: | edsbas.88609AFD |
| Datenbank: | BASE |
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In this paper, we report the characteristics of both six-group and eight-group delayed neutron time models for the photofission of U-238 induced by a Bremsstrahlung photon spectrum with an end-point energy at 9 MeV. This study was conducted using a 9 MeV linear electron accelerator housed at the SAPHIR platform located at CEA Paris-Saclay, France. A reference sample of depleted uranium was positioned inside a neutron detection block, previously designed and optimized by Monte Carlo simulation, made of high-density polyethylene covered by cadmium and including ten one meter-long He-3 proportional counters. Based on the consistent set of half-lives proposed by Spriggs et al. as early as 1999 for neutron induced fission, our description in eight delayed neutron groups for U-238 at 9 MeV is the first published for photofission. These new results bring valuable information to the scarce data available in the literature and represent useful inputs for the development of photofission-based nuclear measurement systems as they meet a significant interest in the fields of nuclear data, radioactive waste package characterization and for security-related applications. – Name: TypeDocument Label: Document Type Group: TypDoc Data: conference object – Name: Language Label: Language Group: Lang Data: English – Name: DOI Label: DOI Group: ID Data: 10.1051/epjconf/202328411002 – Name: URL Label: Availability Group: URL Data: https://cea.hal.science/cea-04169501<br />https://cea.hal.science/cea-04169501v1/document<br />https://cea.hal.science/cea-04169501v1/file/epjconf_nd2023_11002.pdf<br />https://doi.org/10.1051/epjconf/202328411002 – Name: Copyright Label: Rights Group: Cpyrght Data: info:eu-repo/semantics/OpenAccess – Name: AN Label: Accession Number Group: ID Data: edsbas.88609AFD |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1051/epjconf/202328411002 Languages: – Text: English Subjects: – SubjectFull: Sacramento Type: general – SubjectFull: United States Type: general – SubjectFull: U-238 Type: general – SubjectFull: nuclear instrumentation Type: general – SubjectFull: instrumentation Type: general – SubjectFull: particle transport Type: general – SubjectFull: simulation Type: general – SubjectFull: Monte Carlo Type: general – SubjectFull: reference source Type: general – SubjectFull: SAPHIR Type: general – SubjectFull: linac Type: general – SubjectFull: actinides Type: general – SubjectFull: photofission Type: general – SubjectFull: neutrons Type: general – SubjectFull: spectrum analysis Type: general – SubjectFull: radioactivity Type: general – SubjectFull: ionizing radiation Type: general – SubjectFull: [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det] Type: general – SubjectFull: [PHYS.PHYS.PHYS-DATA-AN]Physics [physics]/Physics [physics]/Data Analysis Type: general – SubjectFull: Statistics and Probability [physics.data-an] Type: general Titles: – TitleFull: Evaluation of delayed neutron yields and time spectra from photofission of 238 U induced by Bremsstrahlung photons below 9 MeV Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sari, Adrien – PersonEntity: Name: NameFull: Elayeb, Aly – PersonEntity: Name: NameFull: de Stefano, Roberto – PersonEntity: Name: NameFull: Meleshenkovskii, Iaroslav – PersonEntity: Name: NameFull: Michel, Maugan – PersonEntity: Name: NameFull: Carrel, Frédérick – PersonEntity: Name: NameFull: Laboratoire Capteurs et Architectures Electroniques (CEA, LIST) (LCAE (CEA, LIST)) – PersonEntity: Name: NameFull: Département Métrologie Instrumentation & Information (CEA, LIST) (DM2I (CEA, LIST)) – PersonEntity: Name: NameFull: Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)) – PersonEntity: Name: NameFull: Direction de Recherche Technologique (CEA) (DRT (CEA)) – PersonEntity: Name: NameFull: Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)) – PersonEntity: Name: NameFull: Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)) – PersonEntity: Name: NameFull: Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2022 Identifiers: – Type: issn-locals Value: edsbas – Type: issn-locals Value: edsbas.oa Titles: – TitleFull: 15th International Conference on Nuclear Data for Science and Technology (ND2022) ; https://cea.hal.science/cea-04169501 ; 15th International Conference on Nuclear Data for Science and Technology (ND2022), Jul 2022, Sacramento, United States. pp.11002, ⟨10.1051/epjconf/202328411002⟩ Type: main |
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