Nesterenko , D A , Kankainen , A , Canete , L , Block , M , Cox , D , Eronen , T , Fahlander , C , Forsberg , U , Gerl , J , Golubev , P , Hakala , J , Jokinen , A , Kolhinen , V S , Koponen , J , Lalovic , N , Lorenz , C , Moore , I D , Papadakis , P , Reinikainen , J , Rinta-Antila , S , Rudolph , D , Sarmiento , L G , Voss , A & Äystö , J 2017 , ' High-precision mass measurements for the isobaric multiplet mass equation at A=52 ' , Journal of Physics G: Nuclear and Particle Physics , vol. 44 , no. 6 , 065103 . https://doi.org/10.1088/1361-6471/aa67ae
Title: | High-precision mass measurements for the isobaric multiplet mass equation at A=52 |
Author: | Nesterenko, D. A.; Kankainen, A.; Canete, L.; Block, M.; Cox, D.; Eronen, T.; Fahlander, C.; Forsberg, U.; Gerl, J.; Golubev, P.; Hakala, J.; Jokinen, A.; Kolhinen, V. S.; Koponen, J.; Lalovic, N.; Lorenz, Ch; Moore, I. D.; Papadakis, P.; Reinikainen, J.; Rinta-Antila, S.; Rudolph, D.; Sarmiento, L. G.; Voss, A.; Äystö, J. |
Contributor organization: | Helsinki Institute of Physics |
Date: | 2017-06 |
Language: | eng |
Number of pages: | 19 |
Belongs to series: | Journal of Physics G: Nuclear and Particle Physics |
ISSN: | 0954-3899 |
DOI: | https://doi.org/10.1088/1361-6471/aa67ae |
URI: | http://hdl.handle.net/10138/312773 |
Abstract: | Masses of Co-52, (52)Com, Fe-52, Fe-52(m), and Mn-52 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 3 sigma level) of the quadratic form of the IMME was observed (chi(2)/n = 2.4). The cubic coefficient was 6.0(32) keV (chi(2)/n = 1.1). The excitation energies for the isomer and the T = 2 isobaric analog state in Co-52 have been determined to be 374(13) keV and 2922(13) keV, respectively. The measured mass values for Co-52 and (52)Com 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 Co-52 and Ni-53 relevant for the astrophysical rapid proton capture process. The Q value for the proton decay from the 19/2(-) isomer in Co-53 has been determined with an unprecedented precision, Q(p) = 1558.8(17) keV. |
Subject: |
Penning trap
mass measurement isobaric multiplet Co-52 COULOMB DISPLACEMENT ENERGIES PROTON RADIOACTIVITY ANALOG STATES MIRROR NUCLEI PENNING TRAPS RAMSEY METHOD BETA-RAY SPECTROSCOPY DECAY MN-52 114 Physical sciences |
Peer reviewed: | Yes |
Usage restriction: | openAccess |
Self-archived version: | acceptedVersion |
Total number of downloads: Loading...
Files | Size | Format | View |
---|---|---|---|
1701.04069.pdf | 1.373Mb |
View/ |