Results of a Direct Search Using Synchrotron Radiation for the Low-Energy Nuclear Isomeric Transition
Abstract
We report the results of a direct search for the 229Tn (Iπ = 3/2+ ← 5/2+) nuclear isomeric transition, performed by exposing 229Tn-doped LiSrAlF6 crystals to tunable vacuum-ultraviolet synchrotron radiation and observing any resulting fluorescence. We also use existing nuclear physics data to establish a range of possible transition strengths for the isomeric transition. We find no evidence for the thorium nuclear transition between 7.3 eV and 8.8 eV with transition lifetime (1–2) s≲τ≲ (2000-5600) s. Lastly, this measurement excludes roughly half of the favored transition search area and can be used to direct future searches.
- Authors:
-
- Univ. of California, Los Angeles, CA (United States). Dept. of Physics and Astronomy
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Nuclear Security and Isotope Technology Division
- AC Materials, Inc., Tarpon Springs, FL (United States)
- Lomonosov Moscow State Univ., Moscow (Russia). Skobeltsyn Inst. of Nuclear Physics
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1327579
- Alternate Identifier(s):
- OSTI ID: 1198511
- Grant/Contract Number:
- AC05-00OR22725; AC02-05CH11231; W911NF-11-1-0369; PHY-1205311; 60NANB14D302; 20112810
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 114; Journal Issue: 25; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Jeet, Justin, Schneider, Christian, Sullivan, Scott T., Rellergert, Wade G., Mirzadeh, Saed, Cassanho, A., Jenssen, H. P., Tkalya, Eugene V., and Hudson, Eric R. Results of a Direct Search Using Synchrotron Radiation for the Low-Energy Th229 Nuclear Isomeric Transition. United States: N. p., 2015.
Web. doi:10.1103/PhysRevLett.114.253001.
Jeet, Justin, Schneider, Christian, Sullivan, Scott T., Rellergert, Wade G., Mirzadeh, Saed, Cassanho, A., Jenssen, H. P., Tkalya, Eugene V., & Hudson, Eric R. Results of a Direct Search Using Synchrotron Radiation for the Low-Energy Th229 Nuclear Isomeric Transition. United States. https://doi.org/10.1103/PhysRevLett.114.253001
Jeet, Justin, Schneider, Christian, Sullivan, Scott T., Rellergert, Wade G., Mirzadeh, Saed, Cassanho, A., Jenssen, H. P., Tkalya, Eugene V., and Hudson, Eric R. Tue .
"Results of a Direct Search Using Synchrotron Radiation for the Low-Energy Th229 Nuclear Isomeric Transition". United States. https://doi.org/10.1103/PhysRevLett.114.253001. https://www.osti.gov/servlets/purl/1327579.
@article{osti_1327579,
title = {Results of a Direct Search Using Synchrotron Radiation for the Low-Energy Th229 Nuclear Isomeric Transition},
author = {Jeet, Justin and Schneider, Christian and Sullivan, Scott T. and Rellergert, Wade G. and Mirzadeh, Saed and Cassanho, A. and Jenssen, H. P. and Tkalya, Eugene V. and Hudson, Eric R.},
abstractNote = {We report the results of a direct search for the 229Tn (Iπ = 3/2+ ← 5/2+) nuclear isomeric transition, performed by exposing 229Tn-doped LiSrAlF6 crystals to tunable vacuum-ultraviolet synchrotron radiation and observing any resulting fluorescence. We also use existing nuclear physics data to establish a range of possible transition strengths for the isomeric transition. We find no evidence for the thorium nuclear transition between 7.3 eV and 8.8 eV with transition lifetime (1–2) s≲τ≲ (2000-5600) s. Lastly, this measurement excludes roughly half of the favored transition search area and can be used to direct future searches.},
doi = {10.1103/PhysRevLett.114.253001},
journal = {Physical Review Letters},
number = 25,
volume = 114,
place = {United States},
year = {Tue Jun 23 00:00:00 EDT 2015},
month = {Tue Jun 23 00:00:00 EDT 2015}
}
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