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Evidence for isovec...
Evidence for isovector neutron-proton pairing from high-spin states in N=Z Rb-74
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O'Leary, CD (author)
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Svensson, CE (author)
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Frauendorf, SG (author)
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Afanasjev, AV (author)
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Appelbe, DE (author)
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Austin, RAE (author)
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Ball, GC (author)
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Cameron, JA (author)
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Clark, RM (author)
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Cromaz, M (author)
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Fallon, P (author)
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Hodgson, DF (author)
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Kelsall, NS (author)
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Macchiavelli, AO (author)
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- Ragnarsson, Ingemar (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Sarantites, D (author)
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Waddington, JC (author)
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Wadsworth, R (author)
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(creator_code:org_t)
- 2003
- 2003
- English.
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In: Physical Review C (Nuclear Physics). - 0556-2813. ; 67:2: 021301
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http://dx.doi.org/10...
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Abstract
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- High-spin states in the odd-odd N=Z nucleus Rb-74(37)37 were studied using the Ca-40(Ca-40,alphanp) reaction. A previously observed odd-spin T=0 band has been extended to I-pi=(31(+)) and an even-spin T=0 band has been observed for the first time to I-pi=(22(+)); both have a pi(g(9/2))circle timesnu(g(9/2)) structure. A strongly coupled low-spin T=0,K=3 band has been interpreted as being based upon a pi[312]3/2 circle timesnu[312]3/2 configuration. Cranked relativistic Hartree-Bogoliubov calculations, which are corrected for the t=1 np-pair field by restoring isospin symmetry, reproduce the observed spectrum. These new results provide evidence for the existence of an isovector pair field that contains a neutron-proton component with the proper strength for ensuring isospin conservation.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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O'Leary, CD
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Svensson, CE
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Frauendorf, SG
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Afanasjev, AV
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Appelbe, DE
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Austin, RAE
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show more...
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Ball, GC
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Cameron, JA
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Clark, RM
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Cromaz, M
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Fallon, P
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Hodgson, DF
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Kelsall, NS
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Macchiavelli, AO
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Ragnarsson, Inge ...
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Sarantites, D
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Waddington, JC
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Wadsworth, R
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Physical Review ...
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Lund University