Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0: Half-lives of excited states in the N=50 isotones 96Pd and 94Ru

S. Jazrawi, A. Yaneva, M. Polettini, B. Das, P.H. Regan, M. Górska, B. Cederwall, J. Jolie, H.M. Albers, M.M.R. Chishti, A. Banerjee, N. Hubbard, A.K. Mistry, M. Rudigier, G. Benzoni, J. Gerl, A.M. Bruce, Zs Podolyák, B.S. Nara Singh, G.X. ZhangS. Alhomaidhi, C. Appleton, T. Arici, A. Blazhev, T. Davinson, A. Esmaylzadeh, L.M. Fraile, G. Häfner, O. Hall, P.R. John, V. Karayonchev, I. Koujoharov, N. Kurz, M. Mikolajczuk, N. Pietralla, S. Pietri, J.M. Regis, E. Sahin, L. Sexton, H. Schaffner, C. Scheidenberger, A. Sharma, J. Vesic, H. Weick, V. Werner, R. Lozeva, M. Si

Research output: Contribution to journalArticlepeer-review


This paper reports results of the first experiment of the DESPEC Phase-0 campaign at GSI, which focused on the study of neutron-deficient nuclei approaching 100Sn. These data provide the first extended commissioning experiment for the DESPEC collaboration within NuSTAR. We present results on electromagnetic transition rates associated with the decays from excited states populated following the formation of Iπ = 8+ proton ‘seniority-isomer’ states in the N = 50 isotones 94Ru and 96Pd. Direct half-life measurements via γ−γ coincidences using the FATIMA detector array consisting of 36 LaBr3(Ce) scintillators have determined the reduced matrix elements associated with decays between low-lying states in these semi-magic nuclei. The extracted half-lives for yrast Iπ = 6+ and 4+ states in 96Pd and the 6+ state in 94Ru are consistent with the published, highest-precision values for these nuclei.
Original languageEnglish
Article number110234
JournalRadiation Physics and Chemistry
Publication statusPublished - 26 May 2022

Bibliographical note

Funding Information:
SJ was supported by an STFC iCASE PhD studentship partially funded by the UK National Physical Laboratory . PHR, ZP and MMRC were supported by the UK STFC UK Nuclear Data Network and the UK STFC via Grants No. ST/L005743/1 and No. ST/P005314 . AMB was supported by UK STFC Grant No. ST/P003982 . JV was supported by the Slovenian research agency grants: No. I0-0005, P1-0102 . BSNS would like to acknowledge the financial support of the UKRI STFC through Grants No. ST/T001739/1 and ST/P005101/1 . LMF acknowledges support from project RTI2018-098868-B-I00 funded by Spanish MCIN . PHR, SMC and SJ acknowledge support from the UK Government Department of Business, Energy, and Industrial Strategy via the National Measurement System. AY acknowledges the F&E grant KJOLIE1820. AB, JJ. AE. GH. VK. and J-MR are supported by German BMBF grants 05P21PKFN1 and 05P19PKFNA . N.H., A.K.M., S.A., P.R.J., N.P., and V.W. are supported by German BMBF grants 05P21RDFN1 and 05P21RDFNA and by the Helmholtz Research Academy Hesse for FAIR (HFHF) .

Publisher Copyright:
© 2022


  • Gamma-ray spectroscopy
  • LaBr detectors
  • Nuclear spectroscopy
  • Nuclear structure physics


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