First results from the modular total absorption spectrometer at the hribf

A. Fijalkowska, M. Karny, K. P. Rykaczewski, M. Wolinska-Cichocka, R. Grzywacz, C. J. Gross, J. W. Johnson, B. C. Rasco, E. F. Zganjar, D. W. Stracener, L. Cartegni, K. C. Goetz, R. Goans, C. Jost, M. Madurga, K. Miernik, D. Miller, S. W. Padgett, S. V. Paulauskas, M. Al-ShudifatE. Spejewski, J. H. Hamilton, A. V. Ramayya

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A Modular Total Absorption Spectrometer (MTAS) has been recently constructed and commissioned at the Holifield Radioactive Ion Beam Facility (HRIBF) at the Oak Ridge National Laboratory (ORNL). The main goal of MTAS is to determine the true beta-decay feeding and following gamma radiation pattern for the decays of fission products. In this contribution, we would like to present the results of the measurement of 86Br. The preliminary analysis yields an average energy of emitted γ-radiation of about 4110 keV. It represents an increase of over 26% (850 keV), when compared to the average EM energies deduced using the ENSDF database.

Original languageEnglish
Pages (from-to)545-552
Number of pages8
JournalActa Physica Polonica B
Volume45
Issue number2
DOIs
StatePublished - Feb 2014

Funding

Acknowledgements: This work was supported by the U.S. Department of Energy Office of Nuclear Physics and by DOE Office of Science, grants DE-SC0007431 and DE-FG02-96ER40983, US National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Cooperative Agreement No. DE-FG52-08NA28552, and by the Polish Ministry of Science and Higher Education, Grant No. 2011/01/B/ST2/02476.

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