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Summary remarks and future prospects for on-line nuclear orientation

Description: Results from various groups which use on-line low temperature nuclear orientation techniques are presented. Several nuclear parameters have been successfully studied: rotational levels, nuclear deformation, and decay modes. Future prospects include multiparameter analysis, relaxation and pre-orientation, new separators, and alpha decay studies. 33 refs., 5 figs. (WRF)
Date: January 1, 1984
Creator: Krane, K. S. & Hamilton, J. H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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On-line nuclear orientation. Progress report, April 1, 1992--December 31, 1993

Description: This report describes progress made during the extended final year (April 1, 1992 to December 31, 1993) and summarizes the accomplishments of the entire three-year period (April 1, 1990 through December 31, 1993) of the current US Department of Energy grant DE-FG06-87ER40345. This work is carried out primarily at the UNISOR (University Isotope Separator at Oak Ridge) facility of the Holifield Heavy-Ion Research Facility of the Oak Ridge National Laboratory. The primary mission of this work is t… more
Date: December 31, 1993
Creator: Krane, K. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Nuclear orientation studies of rare-earth metals

Description: The angular distributions of gamma rays from /sup 166m/Ho and /sup 160/Tb aligned at low temperatures in, respectively, Ho metal and Tb metal have been measured. Large hyperfine splittings, expected for the rare earths, have been deduced from the temperature dependence of the gamma-ray anisotropies. Both samples show a macroscopic magnetic anisotropy that is not consistent with an interpretation in terms of a randomly oriented polycrystalline structure.
Date: January 1, 1980
Creator: Krane, K. S.; Morgan, G. L. & Moses, J. D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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An investigation of 154Eu as a high-precision multi-gamma-ray intensity calibration standard for detector arrays

Description: The decay of {sup 154}Eu has been studied using {gamma}-ray singles and {gamma}-{gamma} coincidence spectroscopy with an array of Compton-suppressed Ge detectors. Particular attention to coincidence summing in the analysis, with consideration of detailed decay cascades and angular correlation effects, suggests that previous studies have overlooked necessary corrections. It is concluded that {sup 154}Eu provides 26 {gamma}-rays that can be used for relative efficiency calibrations from 120 to 16… more
Date: October 7, 2004
Creator: Kulp, W D; Wood, J L; Krane, K S; Loats, J; Schmelzenbach, P D; Stapels, C J et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Coexistence of a weakly-deformed band in a strongly-deformednucleus

Description: A weakly-deformed band J{sup {pi}} (E{sub x} keV) 0+ (1182), 2+ (1418), 4+ (1701) is identified in the strongly-deformed nucleus, {sup 154}Gd. Detailed {gamma}-ray spectroscopy following the beta decays of {sup 154}Eu (J = 3), {sup 154g,m1,m2}Tb (J = 0, 3, 7) are used to establish this structure. The structure is explained in terms of a pairing isomer which results from the {nu}[505] {up_arrow} Nilsson intruder orbital.
Date: October 27, 2002
Creator: Kulp, W. D.; Wood, J. L.; Krane, K. S.; Loats, J.; Schmelzenbach, P.; Stapels, C. J. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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UNISOR On-Line Nuclear Orientation Facility

Description: The UNISOR on-line nuclear orientation facility consists of a He/sub 3/-He/sub 4/ dilution refrigerator on line to the isotope separator. Nuclei are implanted directly onto a target foil soldered to the bottom accessed cold finger of the refrigerator. A 1.5 T superconducting magnet polarizes the ferromagnetic target foils and determines the axis of symmetry. Up to eight gamma detectors can be positioned around the refrigerator, each 9 cm from the target. A unique feature of this system is that … more
Date: January 1, 1987
Creator: Girit, I. C.; Alton, G. D.; Bingham, C. R.; Carter, H. K.; Simpson, M. L.; Cole, J. D. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Studies of the N=90 region: The decay of 154Eu to 154Gd

Description: The decay of {sup 154}Eu {yields} {sup 154}Gd has been studied by {gamma}-ray singles and {gamma}-{gamma} coincidence spectroscopy using an array of 20 Compton-suppressed Ge detectors. The primary goal of the work was to confirm or refute a large number of questionable features in the decay scheme: the outcome is the removal of 8 levels from the previously adopted scheme, with the result that a new type of collective band is revealed. Many weak decay branches for the decay are clarified. These … more
Date: December 5, 2003
Creator: Kulp, W. D.; Wood, J. L.; Krane, K. S.; Loats, J.; Schmelzenbach, P.; Stapels, C. J. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Identification of a Pairing Isomeric Band in 152Sm

Description: A coexisting band structure is identified in {sup 152}Sm through {gamma}-ray coincidence spectroscopy following {beta} decay of {sup 152m,g}Eu and following multi-step Coulomb excitation. This structure is interpreted as a pairing isomer analogous to a similar band identified in {sup 154}Gd, based upon relative B(E2) values for transitions out of the band and two-neutron transfer reaction population of the 0{sup +} and 2{sup +} band members. Systematics for odd-A isotopes near N = 90 suggest th… more
Date: May 13, 2005
Creator: Kulp, W. D.; Wood, J. L.; Garrett, P. E.; Allmond, J. M.; Cline, D.; Hayes, A. B. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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