Search for decay of with a novel recoil-decay scintillation detector
Abstract
A search for superallowed decay of nuclei and was carried out using a novel recoil-decay scintillator detector at the tandem accelerator facility at the Japan Atomic Energy Agency (JAEA). In this study, inorganic crystal scintillation material YAP:Ce (yttrium aluminum perovskite) coupled to a position-sensitive photomultiplier tube (PSPMT) was implemented for the first time in a radioactive decay experiment. Residues from the fusion-evaporation reaction were separated by the JAEA Recoil Mass Separator (RMS) and implanted into the YAP:Ce crystal. decays of neutron-deficient tellurium isotopes were identified and proton emission of was observed. The -decay chain was recorded with a time interval of 960 ns between two pulses. Position localization in the crystal for decays and ions in the energy range from hundreds of keV to 60 MeV was achieved with an accuracy of 0.67 mm, proving that this detector is capable of making temporal and spatial correlations for fast decay events. No conclusive evidence was found for the decay chain within 3 days of experiment. However, two events were observed with properties consistent with the reported observation at the Fragment Mass Analyzer (FMA), but with a separation between signals of less than 4 ns. The cross section limit of 130 pb was obtained for production of two events of , about an order of magnitude below the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code.
- Authors:
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- Univ. of Tennessee, Knoxville, TN (United States)
- Univ. of Tennessee, Knoxville, TN (United States); Kyushu Univ., Fukuoka (Japan)
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Japan Atomic Energy Agency (JAEA), Tokai (Japan). Advanced Science Research Center
- Japan Atomic Energy Agency (JAEA), Tokai (Japan). Advanced Science Research Center; Univ. of York (United Kingdom)
- Univ. of York (United Kingdom)
- Istituto Nazionale di Fisica Nucleare (INFN), Legnaro (Italy)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- GSI-Helmholtz Centre for Heavy Ion Research, Darmstadt (Germany)
- Univ. of Warsaw (Poland)
- Proteus, Inc., Chagrin Falls, OH (United States)
- Universite Paris-Saclay, Orsay (France). CSNSM/CNRS
- Agile Technologies, Knoxville, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA); Japan Society for the Promotion of Science (JSPS); Science and Technology Facilities Council (STFC) (United Kingdom); Polish National Science Centre (NCN)
- OSTI Identifier:
- 1763497
- Grant/Contract Number:
- AC05-00OR22725; FG02-96ER40983; NA0002132; 26887048; UMO2015/17/B/ST2/00581
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 100; Journal Issue: 3; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; alpha decay; nuclear structure & decays; 90 ≤ A ≤ 149; radiation detectors; spectrometers & spectroscopic techniques
Citation Formats
Xiao, Y., Go, S., Grzywacz, Robert Kazimierz, Orlandi, R., Andreyev, A. N., Asai, M., Bentley, M. A., de Angelis, G., Gross, C. J., Hausladen, P., Hirose, K., Hofmann, S., Ikezoe, H., Jenkins, D. G., Kindler, B., Léguillon, R., Lommel, B., Makii, H., Mazzocchi, C., Nishio, K., Parkhurst, P., Paulauskas, S. V., Petrache, C. M., Rykaczewski, Krzysztof P., Sato, T. K., Smallcombe, J., Toyoshima, A., Tsukada, K., Vaigneur, K., and Wadsworth, R. Search for α decay of Te104 with a novel recoil-decay scintillation detector. United States: N. p., 2019.
Web. doi:10.1103/physrevc.100.034315.
Xiao, Y., Go, S., Grzywacz, Robert Kazimierz, Orlandi, R., Andreyev, A. N., Asai, M., Bentley, M. A., de Angelis, G., Gross, C. J., Hausladen, P., Hirose, K., Hofmann, S., Ikezoe, H., Jenkins, D. G., Kindler, B., Léguillon, R., Lommel, B., Makii, H., Mazzocchi, C., Nishio, K., Parkhurst, P., Paulauskas, S. V., Petrache, C. M., Rykaczewski, Krzysztof P., Sato, T. K., Smallcombe, J., Toyoshima, A., Tsukada, K., Vaigneur, K., & Wadsworth, R. Search for α decay of Te104 with a novel recoil-decay scintillation detector. United States. https://doi.org/10.1103/physrevc.100.034315
Xiao, Y., Go, S., Grzywacz, Robert Kazimierz, Orlandi, R., Andreyev, A. N., Asai, M., Bentley, M. A., de Angelis, G., Gross, C. J., Hausladen, P., Hirose, K., Hofmann, S., Ikezoe, H., Jenkins, D. G., Kindler, B., Léguillon, R., Lommel, B., Makii, H., Mazzocchi, C., Nishio, K., Parkhurst, P., Paulauskas, S. V., Petrache, C. M., Rykaczewski, Krzysztof P., Sato, T. K., Smallcombe, J., Toyoshima, A., Tsukada, K., Vaigneur, K., and Wadsworth, R. Mon .
"Search for α decay of Te104 with a novel recoil-decay scintillation detector". United States. https://doi.org/10.1103/physrevc.100.034315. https://www.osti.gov/servlets/purl/1763497.
@article{osti_1763497,
title = {Search for α decay of Te104 with a novel recoil-decay scintillation detector},
author = {Xiao, Y. and Go, S. and Grzywacz, Robert Kazimierz and Orlandi, R. and Andreyev, A. N. and Asai, M. and Bentley, M. A. and de Angelis, G. and Gross, C. J. and Hausladen, P. and Hirose, K. and Hofmann, S. and Ikezoe, H. and Jenkins, D. G. and Kindler, B. and Léguillon, R. and Lommel, B. and Makii, H. and Mazzocchi, C. and Nishio, K. and Parkhurst, P. and Paulauskas, S. V. and Petrache, C. M. and Rykaczewski, Krzysztof P. and Sato, T. K. and Smallcombe, J. and Toyoshima, A. and Tsukada, K. and Vaigneur, K. and Wadsworth, R.},
abstractNote = {A search for superallowed α decay of N=Z nuclei Te104 and Xe108 was carried out using a novel recoil-decay scintillator detector at the tandem accelerator facility at the Japan Atomic Energy Agency (JAEA). In this study, inorganic crystal scintillation material YAP:Ce (yttrium aluminum perovskite) coupled to a position-sensitive photomultiplier tube (PSPMT) was implemented for the first time in a radioactive decay experiment. Residues from the fusion-evaporation reaction Ni58+Fe54→Xe*112 were separated by the JAEA Recoil Mass Separator (RMS) and implanted into the YAP:Ce crystal. α decays of neutron-deficient tellurium isotopes were identified and proton emission of I109 was observed. The α-decay chain Xe109→Te105→Sn101 was recorded with a time interval of 960 ns between two α pulses. Position localization in the crystal for decays and ions in the energy range from hundreds of keV to 60 MeV was achieved with an accuracy of 0.67 mm, proving that this detector is capable of making temporal and spatial correlations for fast decay events. No conclusive evidence was found for the decay chain Xe108→Te104→Sn100 within 3 days of experiment. However, two events were observed with properties consistent with the reported observation at the Fragment Mass Analyzer (FMA), but with a separation between signals of less than 4 ns. The cross section limit of 130 pb was obtained for production of two events of Xe108, about an order of magnitude below the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code.},
doi = {10.1103/physrevc.100.034315},
journal = {Physical Review C},
number = 3,
volume = 100,
place = {United States},
year = {Mon Sep 16 00:00:00 EDT 2019},
month = {Mon Sep 16 00:00:00 EDT 2019}
}
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