Back-n white neutron facility at CSNS and first-year nuclear data measurements
Back-streaming neutrons through the incoming proton channel at the spallation target station of China Spallation Neutron Source (CSNS) were exploited to build a white neutron beam line (the so-called Back-n). With a proton beam of 100 kW in beam power and 1.6 GeV in kinetic energy and a thick tungst...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2020-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_06002.pdf |
| _version_ | 1819151462441156608 |
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| author | Tang Jingyu |
| author_facet | Tang Jingyu |
| author_sort | Tang Jingyu |
| collection | DOAJ |
| description | Back-streaming neutrons through the incoming proton channel at the spallation target station of China Spallation Neutron Source (CSNS) were exploited to build a white neutron beam line (the so-called Back-n). With a proton beam of 100 kW in beam power and 1.6 GeV in kinetic energy and a thick tungsten target and modest moderation by the cooling water through the target slices, the neutron beam is very intense which is in the order of 7.0×106 n/cm2/s at 77 m from the target and has an excellent energy spectrum spanning from 0.5 eV to 200 MeV. In addition, the time resolution related to the time-of-flight measurements is very good for neutron energy determination. Altogether, it makes the CSNS Back-n one of the best white neutron sources in the world and very suitable for nuclear data measurements, especially for neutron-induced cross-section measurements. Since the completion of the Back-n beamline and four physics spectrometers in March 2018, the first batches of experiments on nuclear data measurements have been carried out, which are summarized in this article. |
| first_indexed | 2024-12-22T14:33:47Z |
| format | Article |
| id | doaj.art-5752f79a1ead4872bda22be76e4b3afb |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-12-22T14:33:47Z |
| publishDate | 2020-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-5752f79a1ead4872bda22be76e4b3afb2022-12-21T18:22:41ZengEDP SciencesEPJ Web of Conferences2100-014X2020-01-012390600210.1051/epjconf/202023906002epjconf_nd2019_06002Back-n white neutron facility at CSNS and first-year nuclear data measurementsTang JingyuBack-streaming neutrons through the incoming proton channel at the spallation target station of China Spallation Neutron Source (CSNS) were exploited to build a white neutron beam line (the so-called Back-n). With a proton beam of 100 kW in beam power and 1.6 GeV in kinetic energy and a thick tungsten target and modest moderation by the cooling water through the target slices, the neutron beam is very intense which is in the order of 7.0×106 n/cm2/s at 77 m from the target and has an excellent energy spectrum spanning from 0.5 eV to 200 MeV. In addition, the time resolution related to the time-of-flight measurements is very good for neutron energy determination. Altogether, it makes the CSNS Back-n one of the best white neutron sources in the world and very suitable for nuclear data measurements, especially for neutron-induced cross-section measurements. Since the completion of the Back-n beamline and four physics spectrometers in March 2018, the first batches of experiments on nuclear data measurements have been carried out, which are summarized in this article.https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_06002.pdf |
| spellingShingle | Tang Jingyu Back-n white neutron facility at CSNS and first-year nuclear data measurements EPJ Web of Conferences |
| title | Back-n white neutron facility at CSNS and first-year nuclear data measurements |
| title_full | Back-n white neutron facility at CSNS and first-year nuclear data measurements |
| title_fullStr | Back-n white neutron facility at CSNS and first-year nuclear data measurements |
| title_full_unstemmed | Back-n white neutron facility at CSNS and first-year nuclear data measurements |
| title_short | Back-n white neutron facility at CSNS and first-year nuclear data measurements |
| title_sort | back n white neutron facility at csns and first year nuclear data measurements |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2020/15/epjconf_nd2019_06002.pdf |
| work_keys_str_mv | AT tangjingyu backnwhiteneutronfacilityatcsnsandfirstyearnucleardatameasurements |