Surprises at the N=20 shell closure far from stability by inelastic scattering.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F02%3A49033089" target="_blank" >RIV/61389005:_____/02:49033089 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Surprises at the N=20 shell closure far from stability by inelastic scattering.
Original language description
Following mass-measurements in the region N = 20 and N = 28, we have studied inelastic nuclear scattering for the nuclei Si-34, Al-33 and Mg-32. No evidence for a low lying shape isomeric 0(+) state was found in Si-34, and an upper limit for the population cross section could be established, rendering it's existence very unlikely. A new transition was found in Al-33, that is a good candidate for a 2p-2h state and therefore a determination of the 2p-2h gap at N = 20. Inelastic nuclear scattering stronglyexcites 3(-) states, as seen in Si-34. A strong transition was found in Mg-32 that should correspond to the first 3(-) in this nucleus, lying very low as compared to theory and systematics in this region.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BG - Nuclear, atomic and molecular physics, accelerators
OECD FORD branch
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Project
<a href="/en/project/KSK1048102" target="_blank" >KSK1048102: Fundamental physical laws of microworld and macroworld, the behaviour of matter and radiation</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2002
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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