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High-precision mass measurements for the isobaric multiplet mass equation at A = 52

Nesterenko, D. A. (author)
University of Jyväskylä
Kankainen, A. (author)
University of Jyväskylä
Canete, L. (author)
University of Jyväskylä
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Block, M (author)
Johannes-Gutenberg University Mainz,GSI Helmholtz Centre for Heavy Ion Research
Cox, D. M. (author)
University of Jyväskylä
Eronen, Jussi T. (author)
University of Jyväskylä
Fahlander, C. (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Forsberg, U. (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Gerl, J (author)
GSI Helmholtz Centre for Heavy Ion Research
Golubev, P. (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Hakala, J (author)
University of Jyväskylä
Jokinen, A (author)
University of Jyväskylä
Kolhinen, V. S. (author)
University of Jyväskylä
Koponen, J. (author)
University of Jyväskylä
Lalovic, Natasa (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Lorenz, Ch (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Moore, I. D. (author)
University of Jyväskylä
Papadakis, P. (author)
University of Jyväskylä
Reinikainen, J. (author)
University of Jyväskylä
Rinta-Antila, S. (author)
University of Jyväskylä
Rudolph, D. (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Sarmiento, L. G. (author)
Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Voss, Anne (author)
University of Jyväskylä
Äystö, J. (author)
University of Jyväskylä,University of Helsinki
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 (creator_code:org_t)
2017-04-19
2017
English 19 s.
In: Journal of Physics G: Nuclear and Particle Physics. - : IOP Publishing. - 0954-3899 .- 1361-6471. ; 44:6
Related links:
http://dx.doi.org/10...
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https://helda.helsin...
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Masses of 52Co, 52Com, 52Fe, 52Fem, and 52Mn have been measured with the JYFLTRAP double Penning trap mass spectrometer. The isobaric multiplet mass equation for the T = 2 quintet at A = 52 has been studied employing the new mass values. No significant breakdown (beyond the level) of the quadratic form of the IMME was observed (). The cubic coefficient was 6.0(32) keV (). The excitation energies for the isomer and the T = 2 isobaric analog state in 52Co have been determined to be 374(13) keV and 2922(13) keV, respectively. The measured mass values for 52Co and 52Com are 29(10) keV and 16(15) keV higher, respectively, than obtained in a recent storage-ring experiment, and significantly lower than predicted by extrapolations. Consequently, this has an impact on the proton separation energies for 52Co and 53Ni relevant for the astrophysical rapid proton capture process. The Q value for the proton decay from the isomer in 53Co has been determined with an unprecedented precision, keV.

Subject headings

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)

Keyword

isobaric multiplet
mass measurement
Penning trap

Publication and Content Type

art (subject category)
ref (subject category)

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