Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay
Neutron-rich nuclei 162,164Eu were produced by bombarding a proton beam on a 238U target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the 162,164Eu products. New level schemes and new γ-ray transitions of the daughters 162,164Gd were identified...
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| creator | Wang, E. H. Eldridge, J. M. Brewer, N. T. Hamilton, J. H. Batchelder, J. C. Liu, Y. X. Sun, Y. Brown, C. Zachary, C. J. Musangu, B. M. Ramayya, A. V. Rykaczewski, K. P. Gross, C. J. Grzywacz, R. Madurga, M. Miller, D. Stracener, D. W. Jost, C. Zganjar, E. F. Winger, J. A. Karny, M. Paulauskas, S. V. Liu, S. H. Wolińska-Cichocka, M. Padgett, S. W. Mendez, A. J. Miernik, K. Fijałkowska, A. Ilyushkin, S. V. |
| description | Neutron-rich nuclei 162,164Eu were produced by bombarding a proton beam on a 238U target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the 162,164Eu products. New level schemes and new γ-ray transitions of the daughters 162,164Gd were identified from β-decay spectroscopy studies. Additionally, half-lives of the 162,164Eu were remeasured to clarify the previous ambiguous results. Two quasiparticle band structures were built and compared with neighboring nuclei. The β and γ bands were extended in 162Gd and a γ band was extended in 164Gd. Half-lives of the isomeric states at (6-) 1449 keV in 162Gd and (4-) 1096 keV in 164Gd were measured to be 99(3) μs and 0.56(3) μs, respectively. Projected shell model calculations were performed and found to be in good agreement with all of the experimental data. |
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X. ; Sun, Y. ; Brown, C. ; Zachary, C. J. ; Musangu, B. M. ; Ramayya, A. V. ; Rykaczewski, K. P. ; Gross, C. J. ; Grzywacz, R. ; Madurga, M. ; Miller, D. ; Stracener, D. W. ; Jost, C. ; Zganjar, E. F. ; Winger, J. A. ; Karny, M. ; Paulauskas, S. V. ; Liu, S. H. ; Wolińska-Cichocka, M. ; Padgett, S. W. ; Mendez, A. J. ; Miernik, K. ; Fijałkowska, A. ; Ilyushkin, S. V.</creator><creatorcontrib>Wang, E. H. ; Eldridge, J. M. ; Brewer, N. T. ; Hamilton, J. H. ; Batchelder, J. C. ; Liu, Y. X. ; Sun, Y. ; Brown, C. ; Zachary, C. J. ; Musangu, B. M. ; Ramayya, A. V. ; Rykaczewski, K. P. ; Gross, C. J. ; Grzywacz, R. ; Madurga, M. ; Miller, D. ; Stracener, D. W. ; Jost, C. ; Zganjar, E. F. ; Winger, J. A. ; Karny, M. ; Paulauskas, S. V. ; Liu, S. H. ; Wolińska-Cichocka, M. ; Padgett, S. W. ; Mendez, A. J. ; Miernik, K. ; Fijałkowska, A. ; Ilyushkin, S. V. ; Vanderbilt Univ., Nashville, TN (United States) ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><description>Neutron-rich nuclei 162,164Eu were produced by bombarding a proton beam on a 238U target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the 162,164Eu products. New level schemes and new γ-ray transitions of the daughters 162,164Gd were identified from β-decay spectroscopy studies. Additionally, half-lives of the 162,164Eu were remeasured to clarify the previous ambiguous results. Two quasiparticle band structures were built and compared with neighboring nuclei. The β and γ bands were extended in 162Gd and a γ band was extended in 164Gd. Half-lives of the isomeric states at (6-) 1449 keV in 162Gd and (4-) 1096 keV in 164Gd were measured to be 99(3) μs and 0.56(3) μs, respectively. Projected shell model calculations were performed and found to be in good agreement with all of the experimental data.</description><identifier>ISSN: 2469-9985</identifier><identifier>EISSN: 2469-9993</identifier><language>eng</language><publisher>United States: American Physical Society (APS)</publisher><subject>150 ≤ A ≤ 189 ; Beta decay ; collective levels ; energy levels & level densities ; isomer decays ; lifetimes & widths ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; nuclear spin & parity ; shell model</subject><ispartof>Physical review. 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V.</creatorcontrib><creatorcontrib>Vanderbilt Univ., Nashville, TN (United States)</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><title>Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay</title><title>Physical review. C</title><description>Neutron-rich nuclei 162,164Eu were produced by bombarding a proton beam on a 238U target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the 162,164Eu products. New level schemes and new γ-ray transitions of the daughters 162,164Gd were identified from β-decay spectroscopy studies. Additionally, half-lives of the 162,164Eu were remeasured to clarify the previous ambiguous results. Two quasiparticle band structures were built and compared with neighboring nuclei. The β and γ bands were extended in 162Gd and a γ band was extended in 164Gd. Half-lives of the isomeric states at (6-) 1449 keV in 162Gd and (4-) 1096 keV in 164Gd were measured to be 99(3) μs and 0.56(3) μs, respectively. Projected shell model calculations were performed and found to be in good agreement with all of the experimental data.</description><subject>150 ≤ A ≤ 189</subject><subject>Beta decay</subject><subject>collective levels</subject><subject>energy levels & level densities</subject><subject>isomer decays</subject><subject>lifetimes & widths</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>nuclear spin & parity</subject><subject>shell model</subject><issn>2469-9985</issn><issn>2469-9993</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNy0FuwjAQBVCrKlJRyR1GrIlkkzTgNaKw6LJ7ZJyhGQg2eMaVeq0ehDORSlXXXf2vr_cf1HheN7a01laPf3358qQK5qPW2jTaLoweq9NbDB9lT5_YAnE8YyIPLE6QwYUWrtkxXVwS8j3C_mdiSdlLToOgAAGzpBjK4deBaeYz09SbFkIePMEhxTPcvqFF774manRwPWPxm89q-rp-X23LyEI79iToOx9DQC87s9TWVHX1L3QHi-xKtw</recordid><startdate>20210122</startdate><enddate>20210122</enddate><creator>Wang, E. H.</creator><creator>Eldridge, J. M.</creator><creator>Brewer, N. T.</creator><creator>Hamilton, J. H.</creator><creator>Batchelder, J. C.</creator><creator>Liu, Y. X.</creator><creator>Sun, Y.</creator><creator>Brown, C.</creator><creator>Zachary, C. J.</creator><creator>Musangu, B. M.</creator><creator>Ramayya, A. V.</creator><creator>Rykaczewski, K. P.</creator><creator>Gross, C. J.</creator><creator>Grzywacz, R.</creator><creator>Madurga, M.</creator><creator>Miller, D.</creator><creator>Stracener, D. W.</creator><creator>Jost, C.</creator><creator>Zganjar, E. F.</creator><creator>Winger, J. A.</creator><creator>Karny, M.</creator><creator>Paulauskas, S. V.</creator><creator>Liu, S. H.</creator><creator>Wolińska-Cichocka, M.</creator><creator>Padgett, S. W.</creator><creator>Mendez, A. J.</creator><creator>Miernik, K.</creator><creator>Fijałkowska, A.</creator><creator>Ilyushkin, S. V.</creator><general>American Physical Society (APS)</general><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000000275092224</orcidid></search><sort><creationdate>20210122</creationdate><title>Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay</title><author>Wang, E. H. ; Eldridge, J. M. ; Brewer, N. T. ; Hamilton, J. H. ; Batchelder, J. C. ; Liu, Y. X. ; Sun, Y. ; Brown, C. ; Zachary, C. J. ; Musangu, B. M. ; Ramayya, A. V. ; Rykaczewski, K. P. ; Gross, C. J. ; Grzywacz, R. ; Madurga, M. ; Miller, D. ; Stracener, D. W. ; Jost, C. ; Zganjar, E. F. ; Winger, J. A. ; Karny, M. ; Paulauskas, S. V. ; Liu, S. H. ; Wolińska-Cichocka, M. ; Padgett, S. W. ; Mendez, A. J. ; Miernik, K. ; Fijałkowska, A. ; Ilyushkin, S. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_18091343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>150 ≤ A ≤ 189</topic><topic>Beta decay</topic><topic>collective levels</topic><topic>energy levels & level densities</topic><topic>isomer decays</topic><topic>lifetimes & widths</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>nuclear spin & parity</topic><topic>shell model</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, E. H.</creatorcontrib><creatorcontrib>Eldridge, J. M.</creatorcontrib><creatorcontrib>Brewer, N. T.</creatorcontrib><creatorcontrib>Hamilton, J. H.</creatorcontrib><creatorcontrib>Batchelder, J. C.</creatorcontrib><creatorcontrib>Liu, Y. X.</creatorcontrib><creatorcontrib>Sun, Y.</creatorcontrib><creatorcontrib>Brown, C.</creatorcontrib><creatorcontrib>Zachary, C. 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V.</creatorcontrib><creatorcontrib>Vanderbilt Univ., Nashville, TN (United States)</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review. C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, E. H.</au><au>Eldridge, J. M.</au><au>Brewer, N. T.</au><au>Hamilton, J. H.</au><au>Batchelder, J. C.</au><au>Liu, Y. X.</au><au>Sun, Y.</au><au>Brown, C.</au><au>Zachary, C. J.</au><au>Musangu, B. M.</au><au>Ramayya, A. V.</au><au>Rykaczewski, K. P.</au><au>Gross, C. J.</au><au>Grzywacz, R.</au><au>Madurga, M.</au><au>Miller, D.</au><au>Stracener, D. W.</au><au>Jost, C.</au><au>Zganjar, E. F.</au><au>Winger, J. A.</au><au>Karny, M.</au><au>Paulauskas, S. V.</au><au>Liu, S. H.</au><au>Wolińska-Cichocka, M.</au><au>Padgett, S. W.</au><au>Mendez, A. J.</au><au>Miernik, K.</au><au>Fijałkowska, A.</au><au>Ilyushkin, S. V.</au><aucorp>Vanderbilt Univ., Nashville, TN (United States)</aucorp><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay</atitle><jtitle>Physical review. C</jtitle><date>2021-01-22</date><risdate>2021</risdate><volume>103</volume><issue>1</issue><issn>2469-9985</issn><eissn>2469-9993</eissn><abstract>Neutron-rich nuclei 162,164Eu were produced by bombarding a proton beam on a 238U target at the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory and mass separating the 162,164Eu products. New level schemes and new γ-ray transitions of the daughters 162,164Gd were identified from β-decay spectroscopy studies. Additionally, half-lives of the 162,164Eu were remeasured to clarify the previous ambiguous results. Two quasiparticle band structures were built and compared with neighboring nuclei. The β and γ bands were extended in 162Gd and a γ band was extended in 164Gd. Half-lives of the isomeric states at (6-) 1449 keV in 162Gd and (4-) 1096 keV in 164Gd were measured to be 99(3) μs and 0.56(3) μs, respectively. Projected shell model calculations were performed and found to be in good agreement with all of the experimental data.</abstract><cop>United States</cop><pub>American Physical Society (APS)</pub><orcidid>https://orcid.org/0000000275092224</orcidid><oa>free_for_read</oa></addata></record> |
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| source | American Physical Society Journals |
| subjects | 150 ≤ A ≤ 189 Beta decay collective levels energy levels & level densities isomer decays lifetimes & widths NUCLEAR PHYSICS AND RADIATION PHYSICS nuclear spin & parity shell model |
| title | Long-lived isomeric states and quasiparticle band structures in neutron-rich 162,164Gd nuclei from β decay |
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