High-spin states in {sup 156}Yb and structure evolutions at large angular momenta in even-A Yb isotopes
High-spin states of {sup 156}Yb have been studied via the {sup 144}Sm({sup 16}O,4n){sup 156}Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-p...
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| creator | Li, Z. Y. Hua, H. Wang, S. Y. Meng, J. Li, Z. H. Li, X. Q. Xu, F. R. Liu, H. L. Zhang, S. Q. Ye, Y. L. Jiang, D. X. Zheng, T. Ma, L. Y. Lu, F. Fan, F. Y. Han, L. Y. Wang, H. Xiao, J. Chen, D. Fang, X. Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 China Institute of Atomic Energy, Beijing 102413 |
| description | High-spin states of {sup 156}Yb have been studied via the {sup 144}Sm({sup 16}O,4n){sup 156}Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-parity sequence above the 25{sup -} state was found to be irregular and fragment into many parallel branches. This pattern may related to the excitation from the nucleon in the Z=64,N=82 core. The characteristics of alignment plot and E-GOS curve for the positive-parity yrast sequence in {sup 156}Yb indicate that this nucleus may undergo an evolution from quasivibrational to quasirotational structure with increasing angular momentum. Based on a systematic summary of the available experimental alignments for the even-A {sup 156,158,160,162,164}Yb isotopes, the structural evolutions induced by the increase in angular momentum, as well as by the change in neutron numbers, in these even-A Yb isotopes have been discussed in comparison with the cranked Woods-Saxon-Strutinsky calculations by means of total-Routhian-surface (TRS) methods. |
| doi_str_mv | 10.1103/PHYSREVC.77.064323 |
| format | Article |
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R. ; Liu, H. L. ; Zhang, S. Q. ; Ye, Y. L. ; Jiang, D. X. ; Zheng, T. ; Ma, L. Y. ; Lu, F. ; Fan, F. Y. ; Han, L. Y. ; Wang, H. ; Xiao, J. ; Chen, D. ; Fang, X. ; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 ; Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 ; China Institute of Atomic Energy, Beijing 102413</creator><creatorcontrib>Li, Z. Y. ; Hua, H. ; Wang, S. Y. ; Meng, J. ; Li, Z. H. ; Li, X. Q. ; Xu, F. R. ; Liu, H. L. ; Zhang, S. Q. ; Ye, Y. L. ; Jiang, D. X. ; Zheng, T. ; Ma, L. Y. ; Lu, F. ; Fan, F. Y. ; Han, L. Y. ; Wang, H. ; Xiao, J. ; Chen, D. ; Fang, X. ; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 ; Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 ; China Institute of Atomic Energy, Beijing 102413</creatorcontrib><description>High-spin states of {sup 156}Yb have been studied via the {sup 144}Sm({sup 16}O,4n){sup 156}Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-parity sequence above the 25{sup -} state was found to be irregular and fragment into many parallel branches. This pattern may related to the excitation from the nucleon in the Z=64,N=82 core. The characteristics of alignment plot and E-GOS curve for the positive-parity yrast sequence in {sup 156}Yb indicate that this nucleus may undergo an evolution from quasivibrational to quasirotational structure with increasing angular momentum. Based on a systematic summary of the available experimental alignments for the even-A {sup 156,158,160,162,164}Yb isotopes, the structural evolutions induced by the increase in angular momentum, as well as by the change in neutron numbers, in these even-A Yb isotopes have been discussed in comparison with the cranked Woods-Saxon-Strutinsky calculations by means of total-Routhian-surface (TRS) methods.</description><identifier>ISSN: 0556-2813</identifier><identifier>EISSN: 1089-490X</identifier><identifier>DOI: 10.1103/PHYSREVC.77.064323</identifier><language>eng</language><publisher>United States</publisher><subject>BEAMS ; COMPARATIVE EVALUATIONS ; EVAPORATION ; EVOLUTION ; EXCITATION ; HIGH SPIN STATES ; MEV RANGE 100-1000 ; NEUTRON SOURCES ; NEUTRONS ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEAR REACTIONS ; OXYGEN 16 ; PARITY ; SAMARIUM 144 TARGET ; SPIN ; SURFACES ; WOODS-SAXON POTENTIAL ; YRAST STATES ; YTTERBIUM 156 ; YTTERBIUM 158 ; YTTERBIUM 160 ; YTTERBIUM 162 ; YTTERBIUM 164</subject><ispartof>Physical review. 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Y.</creatorcontrib><creatorcontrib>Lu, F.</creatorcontrib><creatorcontrib>Fan, F. Y.</creatorcontrib><creatorcontrib>Han, L. Y.</creatorcontrib><creatorcontrib>Wang, H.</creatorcontrib><creatorcontrib>Xiao, J.</creatorcontrib><creatorcontrib>Chen, D.</creatorcontrib><creatorcontrib>Fang, X.</creatorcontrib><creatorcontrib>Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080</creatorcontrib><creatorcontrib>Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000</creatorcontrib><creatorcontrib>China Institute of Atomic Energy, Beijing 102413</creatorcontrib><title>High-spin states in {sup 156}Yb and structure evolutions at large angular momenta in even-A Yb isotopes</title><title>Physical review. C, Nuclear physics</title><description>High-spin states of {sup 156}Yb have been studied via the {sup 144}Sm({sup 16}O,4n){sup 156}Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-parity sequence above the 25{sup -} state was found to be irregular and fragment into many parallel branches. This pattern may related to the excitation from the nucleon in the Z=64,N=82 core. The characteristics of alignment plot and E-GOS curve for the positive-parity yrast sequence in {sup 156}Yb indicate that this nucleus may undergo an evolution from quasivibrational to quasirotational structure with increasing angular momentum. Based on a systematic summary of the available experimental alignments for the even-A {sup 156,158,160,162,164}Yb isotopes, the structural evolutions induced by the increase in angular momentum, as well as by the change in neutron numbers, in these even-A Yb isotopes have been discussed in comparison with the cranked Woods-Saxon-Strutinsky calculations by means of total-Routhian-surface (TRS) methods.</description><subject>BEAMS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>EVAPORATION</subject><subject>EVOLUTION</subject><subject>EXCITATION</subject><subject>HIGH SPIN STATES</subject><subject>MEV RANGE 100-1000</subject><subject>NEUTRON SOURCES</subject><subject>NEUTRONS</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>NUCLEAR REACTIONS</subject><subject>OXYGEN 16</subject><subject>PARITY</subject><subject>SAMARIUM 144 TARGET</subject><subject>SPIN</subject><subject>SURFACES</subject><subject>WOODS-SAXON POTENTIAL</subject><subject>YRAST STATES</subject><subject>YTTERBIUM 156</subject><subject>YTTERBIUM 158</subject><subject>YTTERBIUM 160</subject><subject>YTTERBIUM 162</subject><subject>YTTERBIUM 164</subject><issn>0556-2813</issn><issn>1089-490X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNjEFLAzEUhIMouFb_gKeA56x5m-62e5RS2WNRKfZUYnxuI9tk2ffSi_jfjeAPcC4zMN-MELegSwBt7jfd7vlpvV2Vi0Wpm7mpzJkoQC9bNW_167kodF03qlqCuRRXRJ86y5imEH3n-4Oi0QdJbBlJ5vRFaZRQN9-7N2nDe26m5DhNKPEUh8Q-BpKW5WCnHjPRp5zkMR4xsP09wBMG9SDz3FPkOCJdi4sPOxDe_PlM3D2uX1adisR-T84zuoOLIaDjfQXQQluD-R_1A91iTr4</recordid><startdate>20080615</startdate><enddate>20080615</enddate><creator>Li, Z. Y.</creator><creator>Hua, H.</creator><creator>Wang, S. Y.</creator><creator>Meng, J.</creator><creator>Li, Z. H.</creator><creator>Li, X. Q.</creator><creator>Xu, F. R.</creator><creator>Liu, H. L.</creator><creator>Zhang, S. Q.</creator><creator>Ye, Y. L.</creator><creator>Jiang, D. X.</creator><creator>Zheng, T.</creator><creator>Ma, L. Y.</creator><creator>Lu, F.</creator><creator>Fan, F. Y.</creator><creator>Han, L. Y.</creator><creator>Wang, H.</creator><creator>Xiao, J.</creator><creator>Chen, D.</creator><creator>Fang, X.</creator><creator>Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080</creator><creator>Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000</creator><creator>China Institute of Atomic Energy, Beijing 102413</creator><scope>OTOTI</scope></search><sort><creationdate>20080615</creationdate><title>High-spin states in {sup 156}Yb and structure evolutions at large angular momenta in even-A Yb isotopes</title><author>Li, Z. Y. ; Hua, H. ; Wang, S. Y. ; Meng, J. ; Li, Z. H. ; Li, X. Q. ; Xu, F. R. ; Liu, H. L. ; Zhang, S. Q. ; Ye, Y. L. ; Jiang, D. X. ; Zheng, T. ; Ma, L. Y. ; Lu, F. ; Fan, F. Y. ; Han, L. Y. ; Wang, H. ; Xiao, J. ; Chen, D. ; Fang, X. ; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 ; Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 ; China Institute of Atomic Energy, Beijing 102413</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_211919513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>BEAMS</topic><topic>COMPARATIVE EVALUATIONS</topic><topic>EVAPORATION</topic><topic>EVOLUTION</topic><topic>EXCITATION</topic><topic>HIGH SPIN STATES</topic><topic>MEV RANGE 100-1000</topic><topic>NEUTRON SOURCES</topic><topic>NEUTRONS</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>NUCLEAR REACTIONS</topic><topic>OXYGEN 16</topic><topic>PARITY</topic><topic>SAMARIUM 144 TARGET</topic><topic>SPIN</topic><topic>SURFACES</topic><topic>WOODS-SAXON POTENTIAL</topic><topic>YRAST STATES</topic><topic>YTTERBIUM 156</topic><topic>YTTERBIUM 158</topic><topic>YTTERBIUM 160</topic><topic>YTTERBIUM 162</topic><topic>YTTERBIUM 164</topic><toplevel>online_resources</toplevel><creatorcontrib>Li, Z. Y.</creatorcontrib><creatorcontrib>Hua, H.</creatorcontrib><creatorcontrib>Wang, S. Y.</creatorcontrib><creatorcontrib>Meng, J.</creatorcontrib><creatorcontrib>Li, Z. H.</creatorcontrib><creatorcontrib>Li, X. Q.</creatorcontrib><creatorcontrib>Xu, F. R.</creatorcontrib><creatorcontrib>Liu, H. L.</creatorcontrib><creatorcontrib>Zhang, S. Q.</creatorcontrib><creatorcontrib>Ye, Y. L.</creatorcontrib><creatorcontrib>Jiang, D. X.</creatorcontrib><creatorcontrib>Zheng, T.</creatorcontrib><creatorcontrib>Ma, L. Y.</creatorcontrib><creatorcontrib>Lu, F.</creatorcontrib><creatorcontrib>Fan, F. Y.</creatorcontrib><creatorcontrib>Han, L. Y.</creatorcontrib><creatorcontrib>Wang, H.</creatorcontrib><creatorcontrib>Xiao, J.</creatorcontrib><creatorcontrib>Chen, D.</creatorcontrib><creatorcontrib>Fang, X.</creatorcontrib><creatorcontrib>Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080</creatorcontrib><creatorcontrib>Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000</creatorcontrib><creatorcontrib>China Institute of Atomic Energy, Beijing 102413</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Physical review. C, Nuclear physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Z. Y.</au><au>Hua, H.</au><au>Wang, S. Y.</au><au>Meng, J.</au><au>Li, Z. H.</au><au>Li, X. Q.</au><au>Xu, F. R.</au><au>Liu, H. L.</au><au>Zhang, S. Q.</au><au>Ye, Y. L.</au><au>Jiang, D. X.</au><au>Zheng, T.</au><au>Ma, L. Y.</au><au>Lu, F.</au><au>Fan, F. Y.</au><au>Han, L. Y.</au><au>Wang, H.</au><au>Xiao, J.</au><au>Chen, D.</au><au>Fang, X.</au><au>Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080</au><au>Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000</au><au>China Institute of Atomic Energy, Beijing 102413</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-spin states in {sup 156}Yb and structure evolutions at large angular momenta in even-A Yb isotopes</atitle><jtitle>Physical review. C, Nuclear physics</jtitle><date>2008-06-15</date><risdate>2008</risdate><volume>77</volume><issue>6</issue><issn>0556-2813</issn><eissn>1089-490X</eissn><abstract>High-spin states of {sup 156}Yb have been studied via the {sup 144}Sm({sup 16}O,4n){sup 156}Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-parity sequence above the 25{sup -} state was found to be irregular and fragment into many parallel branches. This pattern may related to the excitation from the nucleon in the Z=64,N=82 core. The characteristics of alignment plot and E-GOS curve for the positive-parity yrast sequence in {sup 156}Yb indicate that this nucleus may undergo an evolution from quasivibrational to quasirotational structure with increasing angular momentum. Based on a systematic summary of the available experimental alignments for the even-A {sup 156,158,160,162,164}Yb isotopes, the structural evolutions induced by the increase in angular momentum, as well as by the change in neutron numbers, in these even-A Yb isotopes have been discussed in comparison with the cranked Woods-Saxon-Strutinsky calculations by means of total-Routhian-surface (TRS) methods.</abstract><cop>United States</cop><doi>10.1103/PHYSREVC.77.064323</doi></addata></record> |
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| identifier | ISSN: 0556-2813 |
| ispartof | Physical review. C, Nuclear physics, 2008-06, Vol.77 (6) |
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| language | eng |
| recordid | cdi_osti_scitechconnect_21191951 |
| source | American Physical Society Journals |
| subjects | BEAMS COMPARATIVE EVALUATIONS EVAPORATION EVOLUTION EXCITATION HIGH SPIN STATES MEV RANGE 100-1000 NEUTRON SOURCES NEUTRONS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS OXYGEN 16 PARITY SAMARIUM 144 TARGET SPIN SURFACES WOODS-SAXON POTENTIAL YRAST STATES YTTERBIUM 156 YTTERBIUM 158 YTTERBIUM 160 YTTERBIUM 162 YTTERBIUM 164 |
| title | High-spin states in {sup 156}Yb and structure evolutions at large angular momenta in even-A Yb isotopes |
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