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Isomer yields in nu...
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Al-Adili, AliUppsala universitet,Tillämpad kärnfysik
(författare)
Isomer yields in nuclear fission
- Artikel/kapitelEngelska2021
Förlag, utgivningsår, omfång ...
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2021-12-15
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EDP Sciences,2021
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-515071
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-515071URI
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https://doi.org/10.1051/epjconf/202125600002DOI
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Språk:engelska
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Sammanfattning på:engelska
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The generation of angular momentum in the fission process is still an open question. To shed light on this topic, we started a series of measurements at the IGISOL-JYFLTRAP facility in Finland. Highprecision measurements of isomeric yield ratios (IYR) are performed with a Penning trap, partly with the aim to extract average root-mean-square (rms) quantities of fragment spin distributions. The newly installed Phase-Imaging Ion-Cyclotron Resonance (PI-ICR) technique allows the separation of masses down to tens of keV, which is suffcient to disentangle many isomers. In this paper, we first summarize the previous measurements on the neutron and proton-induced fission of uranium and thorium, e.g. the odd cadmium and indium isotopes (119 ≤ A ≤ 127). The measurements revealed systematic trends as function of mass number, which stimulated further exploration. A recent measurement was performed at IGISIOL and several new IYR data will soon be published, for the first time. Secondly, we employ the TALYS nuclear-reaction code to model one of the newly measured isomer yields. Detailed GEF and TALYS calculations are discussed for the fragment angular momentum distribution in 134I.
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Gao, ZhihaoUppsala universitet,Tillämpad kärnfysik(Swepub:uu)gaozh290
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Lantz, Mattias,1971-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)malan676
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Solders, Andreas,PhD,1976-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)andso900
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Österlund, MichaelUppsala universitet,Tillämpad kärnfysik(Swepub:uu)miost517
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Pomp, Stephan,1968-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)steppomp
(författare)
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Uppsala universitetTillämpad kärnfysik
(creator_code:org_t)
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Ingår i:EPJ Web of Conferences: EDP Sciences2562100-014X
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