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gamma-ray spectrosc...
gamma-ray spectroscopy of At-197
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- Andgren, Karin (author)
- KTH,Fysik
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- Cederwall, Bo (author)
- KTH,Fysik
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- Bäck, Torbjörn (author)
- KTH,Fysik
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- Hadinia, Baharak (author)
- KTH,Fysik
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- Johnson, Arne (author)
- KTH,Fysik
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- Khaplanov, Anton (author)
- KTH,Fysik
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- Sandzelius, Mikael (author)
- KTH,Fysik
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- Wyss, Ramon (author)
- KTH,Kärnfysik
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(creator_code:org_t)
- 2008
- 2008
- English.
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In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 78:4, s. 044328-1-044328-8
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Excited states of the extremely neutron-deficient nucleus At-197 have been studied in an in-beam experiment using the fusion-evaporation reaction Sn-118(Kr-82,p2n)At-197. gamma rays belonging to At-197 feeding the I-pi=(9/2(-)) ground state, as well as gamma rays feeding the 311-keV I-pi=(13/2(+)) isomer, decaying via the emission of gamma rays, and the 52-keV I-pi=(1/2(+)) alpha-decaying isomer have been identified using the recoil-alpha-decay tagging technique. Total Routhian surface calculations predict a near-spherical shape for the (9/2(-)) ground state and oblate shapes with beta(2) around -0.2 for the (1/2(+)) and the (13/2(+)) states. These predictions agree with our experimental findings.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- HIGH-SPIN STATES
- ALPHA-DECAY
- BI-187
- BI-189 ISOTOPES
- EXCITED-STATES
- MEAN-FIELD
- NUCLEI
- IDENTIFICATION
- DEFORMATION
- BEHAVIOR
- Nuclear physics
- Kärnfysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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