Lifetime measurements of yrast states in {sup 162}Yb and {sup 166}Hf
Lifetime measurements of yrast levels in {sup 162}Yb and {sup 166}Hf were performed using the recoil distance Doppler-shift method in coincidence mode. Excited states in {sup 162}Yb and {sup 166}Hf were populated via the reactions {sup 116}Cd({sup 50}Ti, 4n) and {sup 122}Sn({sup 48}Ti, 4n), respecti...
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| creator | McCutchan, E.A. Casten, R.F. Ai, H. Amro, H. Heinz, A. Meyer, D.A. Plettner, C. Qian, J. Ressler, J.J. Werner, V. Williams, E. Winkler, R. Zamfir, N.V. National Institute of Physics and Nuclear Engineering, Bucharest-Magurele Babilon, M. Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289 Brenner, D.S. Guerdal, G. Clark University, Worcester, Massachusetts 01610 Hughes, R.O. Thomas, N.J. University of Surrey, Guildford, Surrey GU2 7XH |
| description | Lifetime measurements of yrast levels in {sup 162}Yb and {sup 166}Hf were performed using the recoil distance Doppler-shift method in coincidence mode. Excited states in {sup 162}Yb and {sup 166}Hf were populated via the reactions {sup 116}Cd({sup 50}Ti, 4n) and {sup 122}Sn({sup 48}Ti, 4n), respectively. The resulting B(E2) values are compared with the X(5) critical point model predictions and interacting boson approximation (IBA) model calculations. The X(5) model provides a reasonable description of the yrast B(E2) values in {sup 166}Hf, whereas the IBA fails to reproduce the transition strengths from the higher spin levels. In {sup 162}Yb, some transitions agree with the X(5) predictions while others are more consistent with the predictions of the IBA or a deformed symmetric rotor. |
| doi_str_mv | 10.1103/PhysRevC.73.034303 |
| format | Article |
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Excited states in {sup 162}Yb and {sup 166}Hf were populated via the reactions {sup 116}Cd({sup 50}Ti, 4n) and {sup 122}Sn({sup 48}Ti, 4n), respectively. The resulting B(E2) values are compared with the X(5) critical point model predictions and interacting boson approximation (IBA) model calculations. The X(5) model provides a reasonable description of the yrast B(E2) values in {sup 166}Hf, whereas the IBA fails to reproduce the transition strengths from the higher spin levels. In {sup 162}Yb, some transitions agree with the X(5) predictions while others are more consistent with the predictions of the IBA or a deformed symmetric rotor.</description><identifier>ISSN: 0556-2813</identifier><identifier>EISSN: 1089-490X</identifier><identifier>DOI: 10.1103/PhysRevC.73.034303</identifier><language>eng</language><publisher>United States</publisher><subject>APPROXIMATIONS ; CADMIUM 116 TARGET ; DOPPLER EFFECT ; E2-TRANSITIONS ; EXCITED STATES ; HAFNIUM 166 ; INTERACTING BOSON MODEL ; LIFETIME ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; RECOILS ; SPIN ; TIN 122 TARGET ; TITANIUM 48 REACTIONS ; TITANIUM 50 REACTIONS ; YRAST STATES ; YTTERBIUM 162</subject><ispartof>Physical review. 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C, Nuclear physics</title><description>Lifetime measurements of yrast levels in {sup 162}Yb and {sup 166}Hf were performed using the recoil distance Doppler-shift method in coincidence mode. Excited states in {sup 162}Yb and {sup 166}Hf were populated via the reactions {sup 116}Cd({sup 50}Ti, 4n) and {sup 122}Sn({sup 48}Ti, 4n), respectively. The resulting B(E2) values are compared with the X(5) critical point model predictions and interacting boson approximation (IBA) model calculations. The X(5) model provides a reasonable description of the yrast B(E2) values in {sup 166}Hf, whereas the IBA fails to reproduce the transition strengths from the higher spin levels. In {sup 162}Yb, some transitions agree with the X(5) predictions while others are more consistent with the predictions of the IBA or a deformed symmetric rotor.</description><subject>APPROXIMATIONS</subject><subject>CADMIUM 116 TARGET</subject><subject>DOPPLER EFFECT</subject><subject>E2-TRANSITIONS</subject><subject>EXCITED STATES</subject><subject>HAFNIUM 166</subject><subject>INTERACTING BOSON MODEL</subject><subject>LIFETIME</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>RECOILS</subject><subject>SPIN</subject><subject>TIN 122 TARGET</subject><subject>TITANIUM 48 REACTIONS</subject><subject>TITANIUM 50 REACTIONS</subject><subject>YRAST STATES</subject><subject>YTTERBIUM 162</subject><issn>0556-2813</issn><issn>1089-490X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqNirsKwkAQAA9RMD5-wOrAOnEvay5a-8DCQsRCKznjhpyYi7inIOK_a6G90wwDI0RPQaQU4GBVPHhN90mUYgQ4RMCaCBSMxuFwDNu6CCBJdBiPFDZFi_kEHxB1IKZLm5O3JcmSDN-uVJLzLKtcPq6GvWRvPLG0Tj75dpFKx6_dQRp3_LV-LfKOaOTmzNT9ui3689lmsggr9nbPmfWUFVnlHGV-H0OaKow1_ne9AYKNQek</recordid><startdate>20060315</startdate><enddate>20060315</enddate><creator>McCutchan, E.A.</creator><creator>Casten, R.F.</creator><creator>Ai, H.</creator><creator>Amro, H.</creator><creator>Heinz, A.</creator><creator>Meyer, D.A.</creator><creator>Plettner, C.</creator><creator>Qian, J.</creator><creator>Ressler, J.J.</creator><creator>Werner, V.</creator><creator>Williams, E.</creator><creator>Winkler, R.</creator><creator>Zamfir, N.V.</creator><creator>National Institute of Physics and Nuclear Engineering, Bucharest-Magurele</creator><creator>Babilon, M.</creator><creator>Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289</creator><creator>Brenner, D.S.</creator><creator>Guerdal, G.</creator><creator>Clark University, Worcester, Massachusetts 01610</creator><creator>Hughes, R.O.</creator><creator>Thomas, N.J.</creator><creator>University of Surrey, Guildford, Surrey GU2 7XH</creator><scope>OTOTI</scope></search><sort><creationdate>20060315</creationdate><title>Lifetime measurements of yrast states in {sup 162}Yb and {sup 166}Hf</title><author>McCutchan, E.A. ; Casten, R.F. ; Ai, H. ; Amro, H. ; Heinz, A. ; Meyer, D.A. ; Plettner, C. ; Qian, J. ; Ressler, J.J. ; Werner, V. ; Williams, E. ; Winkler, R. ; Zamfir, N.V. ; National Institute of Physics and Nuclear Engineering, Bucharest-Magurele ; Babilon, M. ; Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289 ; Brenner, D.S. ; Guerdal, G. ; Clark University, Worcester, Massachusetts 01610 ; Hughes, R.O. ; Thomas, N.J. ; University of Surrey, Guildford, Surrey GU2 7XH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_207713263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>APPROXIMATIONS</topic><topic>CADMIUM 116 TARGET</topic><topic>DOPPLER EFFECT</topic><topic>E2-TRANSITIONS</topic><topic>EXCITED STATES</topic><topic>HAFNIUM 166</topic><topic>INTERACTING BOSON MODEL</topic><topic>LIFETIME</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>RECOILS</topic><topic>SPIN</topic><topic>TIN 122 TARGET</topic><topic>TITANIUM 48 REACTIONS</topic><topic>TITANIUM 50 REACTIONS</topic><topic>YRAST STATES</topic><topic>YTTERBIUM 162</topic><toplevel>online_resources</toplevel><creatorcontrib>McCutchan, E.A.</creatorcontrib><creatorcontrib>Casten, R.F.</creatorcontrib><creatorcontrib>Ai, H.</creatorcontrib><creatorcontrib>Amro, H.</creatorcontrib><creatorcontrib>Heinz, A.</creatorcontrib><creatorcontrib>Meyer, D.A.</creatorcontrib><creatorcontrib>Plettner, C.</creatorcontrib><creatorcontrib>Qian, J.</creatorcontrib><creatorcontrib>Ressler, J.J.</creatorcontrib><creatorcontrib>Werner, V.</creatorcontrib><creatorcontrib>Williams, E.</creatorcontrib><creatorcontrib>Winkler, R.</creatorcontrib><creatorcontrib>Zamfir, N.V.</creatorcontrib><creatorcontrib>National Institute of Physics and Nuclear Engineering, Bucharest-Magurele</creatorcontrib><creatorcontrib>Babilon, M.</creatorcontrib><creatorcontrib>Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289</creatorcontrib><creatorcontrib>Brenner, D.S.</creatorcontrib><creatorcontrib>Guerdal, G.</creatorcontrib><creatorcontrib>Clark University, Worcester, Massachusetts 01610</creatorcontrib><creatorcontrib>Hughes, R.O.</creatorcontrib><creatorcontrib>Thomas, N.J.</creatorcontrib><creatorcontrib>University of Surrey, Guildford, Surrey GU2 7XH</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>McCutchan, E.A.</au><au>Casten, R.F.</au><au>Ai, H.</au><au>Amro, H.</au><au>Heinz, A.</au><au>Meyer, D.A.</au><au>Plettner, C.</au><au>Qian, J.</au><au>Ressler, J.J.</au><au>Werner, V.</au><au>Williams, E.</au><au>Winkler, R.</au><au>Zamfir, N.V.</au><au>National Institute of Physics and Nuclear Engineering, Bucharest-Magurele</au><au>Babilon, M.</au><au>Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289</au><au>Brenner, D.S.</au><au>Guerdal, G.</au><au>Clark University, Worcester, Massachusetts 01610</au><au>Hughes, R.O.</au><au>Thomas, N.J.</au><au>University of Surrey, Guildford, Surrey GU2 7XH</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lifetime measurements of yrast states in {sup 162}Yb and {sup 166}Hf</atitle><jtitle>Physical review. C, Nuclear physics</jtitle><date>2006-03-15</date><risdate>2006</risdate><volume>73</volume><issue>3</issue><issn>0556-2813</issn><eissn>1089-490X</eissn><abstract>Lifetime measurements of yrast levels in {sup 162}Yb and {sup 166}Hf were performed using the recoil distance Doppler-shift method in coincidence mode. Excited states in {sup 162}Yb and {sup 166}Hf were populated via the reactions {sup 116}Cd({sup 50}Ti, 4n) and {sup 122}Sn({sup 48}Ti, 4n), respectively. The resulting B(E2) values are compared with the X(5) critical point model predictions and interacting boson approximation (IBA) model calculations. The X(5) model provides a reasonable description of the yrast B(E2) values in {sup 166}Hf, whereas the IBA fails to reproduce the transition strengths from the higher spin levels. In {sup 162}Yb, some transitions agree with the X(5) predictions while others are more consistent with the predictions of the IBA or a deformed symmetric rotor.</abstract><cop>United States</cop><doi>10.1103/PhysRevC.73.034303</doi></addata></record> |
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| ispartof | Physical review. C, Nuclear physics, 2006-03, Vol.73 (3) |
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| source | American Physical Society Journals |
| subjects | APPROXIMATIONS CADMIUM 116 TARGET DOPPLER EFFECT E2-TRANSITIONS EXCITED STATES HAFNIUM 166 INTERACTING BOSON MODEL LIFETIME NUCLEAR PHYSICS AND RADIATION PHYSICS RECOILS SPIN TIN 122 TARGET TITANIUM 48 REACTIONS TITANIUM 50 REACTIONS YRAST STATES YTTERBIUM 162 |
| title | Lifetime measurements of yrast states in {sup 162}Yb and {sup 166}Hf |
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