Shape changes in Kr79
High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negati...
Ausführliche Beschreibung
Gespeichert in:
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E-Artikel |
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| Erschienen: |
1994 |
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| Umfang: |
Online-Ressource 8 |
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APS Digital Backfile Archive 1893-2003 |
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| Übergeordnetes Werk: |
Enthalten in: Physical review / C - Woodbury, NY : Inst., 1970, 50(1994), 6, Seite 2786-2793 |
| Übergeordnetes Werk: |
volume:50 ; year:1994 ; number:6 ; pages:2786-2793 ; extent:8 |
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| 520 | |a High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. | ||
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(DE-627)NLEJ249757192 (DE-601)aps:f3d46972a96c3f7c181f3aa4fab55e16a2489e37 DE-627 ger DE-627 rakwb Shape changes in Kr79 1994 Online-Ressource 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. APS Digital Backfile Archive 1893-2003 Johns, G. D. oth Döring, J. oth Holcomb, J. W. oth Johnson, T. D. oth Riley, M. A. oth Sylvan, G. N. oth Womble, P. C. oth Wood, V. A. oth Tabor, S. L. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 50(1994), 6, Seite 2786-2793 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:50 year:1994 number:6 pages:2786-2793 extent:8 https://www.tib.eu/de/suchen/id/aps%3Af3d46972a96c3f7c181f3aa4fab55e16a2489e37 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 50 1994 6 2786-2793 8 |
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(DE-627)NLEJ249757192 (DE-601)aps:f3d46972a96c3f7c181f3aa4fab55e16a2489e37 DE-627 ger DE-627 rakwb Shape changes in Kr79 1994 Online-Ressource 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. APS Digital Backfile Archive 1893-2003 Johns, G. D. oth Döring, J. oth Holcomb, J. W. oth Johnson, T. D. oth Riley, M. A. oth Sylvan, G. N. oth Womble, P. C. oth Wood, V. A. oth Tabor, S. L. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 50(1994), 6, Seite 2786-2793 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:50 year:1994 number:6 pages:2786-2793 extent:8 https://www.tib.eu/de/suchen/id/aps%3Af3d46972a96c3f7c181f3aa4fab55e16a2489e37 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 50 1994 6 2786-2793 8 |
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(DE-627)NLEJ249757192 (DE-601)aps:f3d46972a96c3f7c181f3aa4fab55e16a2489e37 DE-627 ger DE-627 rakwb Shape changes in Kr79 1994 Online-Ressource 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. APS Digital Backfile Archive 1893-2003 Johns, G. D. oth Döring, J. oth Holcomb, J. W. oth Johnson, T. D. oth Riley, M. A. oth Sylvan, G. N. oth Womble, P. C. oth Wood, V. A. oth Tabor, S. L. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 50(1994), 6, Seite 2786-2793 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:50 year:1994 number:6 pages:2786-2793 extent:8 https://www.tib.eu/de/suchen/id/aps%3Af3d46972a96c3f7c181f3aa4fab55e16a2489e37 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 50 1994 6 2786-2793 8 |
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(DE-627)NLEJ249757192 (DE-601)aps:f3d46972a96c3f7c181f3aa4fab55e16a2489e37 DE-627 ger DE-627 rakwb Shape changes in Kr79 1994 Online-Ressource 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. APS Digital Backfile Archive 1893-2003 Johns, G. D. oth Döring, J. oth Holcomb, J. W. oth Johnson, T. D. oth Riley, M. A. oth Sylvan, G. N. oth Womble, P. C. oth Wood, V. A. oth Tabor, S. L. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 50(1994), 6, Seite 2786-2793 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:50 year:1994 number:6 pages:2786-2793 extent:8 https://www.tib.eu/de/suchen/id/aps%3Af3d46972a96c3f7c181f3aa4fab55e16a2489e37 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 50 1994 6 2786-2793 8 |
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(DE-627)NLEJ249757192 (DE-601)aps:f3d46972a96c3f7c181f3aa4fab55e16a2489e37 DE-627 ger DE-627 rakwb Shape changes in Kr79 1994 Online-Ressource 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. APS Digital Backfile Archive 1893-2003 Johns, G. D. oth Döring, J. oth Holcomb, J. W. oth Johnson, T. D. oth Riley, M. A. oth Sylvan, G. N. oth Womble, P. C. oth Wood, V. A. oth Tabor, S. L. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 50(1994), 6, Seite 2786-2793 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:50 year:1994 number:6 pages:2786-2793 extent:8 https://www.tib.eu/de/suchen/id/aps%3Af3d46972a96c3f7c181f3aa4fab55e16a2489e37 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 50 1994 6 2786-2793 8 |
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High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. |
| abstractGer |
High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. |
| abstract_unstemmed |
High-spin states in Kr79 were studied using the Cu65(18O,p3n) reaction at 65 MeV at the Florida State University Tandem-LINAC facility. Prompt γ-γ coincidences were observed using the Pitt-FSU detector array. Twelve new states were found, along with 19 new transitions. The yrast positive- and negative-parity bands were extended up to spins of (45/2+) and (31/2-), respectively. Spin assignments were made based on directional correlation of oriented nuclei ratios whenever possible. A cranked-shell-model analysis shows some indication for a second band crossing in the positive-parity band at ħω≊0.75 MeV. This crossing, probably due to an aligned g9/2 neutron pair, occurs with a much larger band interaction than the first g9/2 proton crossing. An increase in signature splitting above ħω≊0.75 MeV and a return of large alternations in the B(M1)/B(E2) ratio is consistent with the theoretically predicted return to a nearly oblate shape. |
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