Discrete and continuum Gamma-ray studies of 147Gd and 148Gd

M. W. Drigert; M. Piiparinen; R. V.F. Janssens; R. Holzmann; I. Ahmad; J. Borggreen; R. R. Chasman; P. J. Daly; B. K. Dichter; H. Emling; U. Garg; Z. W. Grabowski; T. L. Khoo; W. C. Ma; M. Quader; D. C. Radford; W. Trzaska

doi:10.1016/0375-9474(90)90594-C

Discrete and continuum Gamma-ray studies of ¹⁴⁷Gd and ¹⁴⁸Gd

M. W. Drigert, M. Piiparinen, R. V.F. Janssens, R. Holzmann, I. Ahmad, J. Borggreen, R. R. Chasman, P. J. Daly, B. K. Dichter, H. Emling, U. Garg, Z. W. Grabowski, T. L. Khoo, W. C. Ma, M. Quader, D. C. Radford, W. Trzaska

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Discrete and continuum γ-ray studies of the N = 83, 84 nuclei ¹⁴⁷Gd and ¹⁴⁸Gd have been performed using (³⁶S, 5n) and (³⁶S, 4n) reactions on ¹¹⁶Cd. The level schemes of both nuclei have been extended to excitation energies above 18.5 MeV, with assigned spins up to 83 2 in ¹⁴⁷Gd and up to ⁴⁶in ¹⁴⁸Gd. Evidence for a change in character along the yrast line from single particle to collective was found at the highest spins in ¹⁴⁸Gd, but not in ¹⁴⁷Gd. For ¹⁴⁸Gd a study of γγ correlation matrices revealed a ridge-valley structure with a ridge spacing indicative of superdeformation. No evidence for a similar structure in ¹⁴⁷Gd was found.

Original language	English
Pages (from-to)	466-492
Number of pages	27
Journal	Nuclear Physics A
Volume	515
Issue number	3
DOIs	https://doi.org/10.1016/0375-9474(90)90594-C
State	Published - Sep 3 1990
Externally published	Yes

Funding

The authors express their deep appreciation to the stat?o f the ATLAS aeceierator for the quality of the “S beams, to T. Moog for his assistance with the data acquisition, to P. Wilt, J. Joswick and J. Timm for their help in various aspects of the detection system. This work was supported in part by the National Science Foundation under grant PHY88-02279 and by the Department of Energy, Nuclear Physics Division, under contracts nos. W-31-~09-ENG-3~ and DE-FGO2-87ER40346 and by the Danish Natural Science Research Council,

Funders	Funder number
Danish Natural Science Research Council
Nuclear Physics Division	DE-FGO2-87ER40346
National Science Foundation	PHY88-02279
U.S. Department of Energy

Keywords

Nuclear Reactions

Access to Document

10.1016/0375-9474(90)90594-C

Cite this

Drigert, M. W., Piiparinen, M., Janssens, R. V. F., Holzmann, R., Ahmad, I., Borggreen, J., Chasman, R. R., Daly, P. J., Dichter, B. K., Emling, H., Garg, U., Grabowski, Z. W., Khoo, T. L., Ma, W. C., Quader, M., Radford, D. C., & Trzaska, W. (1990). Discrete and continuum Gamma-ray studies of ¹⁴⁷Gd and ¹⁴⁸Gd. Nuclear Physics A, 515(3), 466-492. https://doi.org/10.1016/0375-9474(90)90594-C

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title = "Discrete and continuum Gamma-ray studies of 147Gd and 148Gd",

abstract = "Discrete and continuum γ-ray studies of the N = 83, 84 nuclei 147Gd and 148Gd have been performed using (36S, 5n) and (36S, 4n) reactions on 116Cd. The level schemes of both nuclei have been extended to excitation energies above 18.5 MeV, with assigned spins up to 83 2 in 147Gd and up to 46in 148Gd. Evidence for a change in character along the yrast line from single particle to collective was found at the highest spins in 148Gd, but not in 147Gd. For 148Gd a study of γγ correlation matrices revealed a ridge-valley structure with a ridge spacing indicative of superdeformation. No evidence for a similar structure in 147Gd was found.",

keywords = "Nuclear Reactions",

author = "Drigert, {M. W.} and M. Piiparinen and Janssens, {R. V.F.} and R. Holzmann and I. Ahmad and J. Borggreen and Chasman, {R. R.} and Daly, {P. J.} and Dichter, {B. K.} and H. Emling and U. Garg and Grabowski, {Z. W.} and Khoo, {T. L.} and Ma, {W. C.} and M. Quader and Radford, {D. C.} and W. Trzaska",

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T1 - Discrete and continuum Gamma-ray studies of 147Gd and 148Gd

AU - Drigert, M. W.

AU - Piiparinen, M.

AU - Janssens, R. V.F.

AU - Holzmann, R.

AU - Ahmad, I.

AU - Borggreen, J.

AU - Chasman, R. R.

AU - Daly, P. J.

AU - Dichter, B. K.

AU - Emling, H.

AU - Garg, U.

AU - Grabowski, Z. W.

AU - Khoo, T. L.

AU - Ma, W. C.

AU - Quader, M.

AU - Radford, D. C.

AU - Trzaska, W.

PY - 1990/9/3

Y1 - 1990/9/3

N2 - Discrete and continuum γ-ray studies of the N = 83, 84 nuclei 147Gd and 148Gd have been performed using (36S, 5n) and (36S, 4n) reactions on 116Cd. The level schemes of both nuclei have been extended to excitation energies above 18.5 MeV, with assigned spins up to 83 2 in 147Gd and up to 46in 148Gd. Evidence for a change in character along the yrast line from single particle to collective was found at the highest spins in 148Gd, but not in 147Gd. For 148Gd a study of γγ correlation matrices revealed a ridge-valley structure with a ridge spacing indicative of superdeformation. No evidence for a similar structure in 147Gd was found.

AB - Discrete and continuum γ-ray studies of the N = 83, 84 nuclei 147Gd and 148Gd have been performed using (36S, 5n) and (36S, 4n) reactions on 116Cd. The level schemes of both nuclei have been extended to excitation energies above 18.5 MeV, with assigned spins up to 83 2 in 147Gd and up to 46in 148Gd. Evidence for a change in character along the yrast line from single particle to collective was found at the highest spins in 148Gd, but not in 147Gd. For 148Gd a study of γγ correlation matrices revealed a ridge-valley structure with a ridge spacing indicative of superdeformation. No evidence for a similar structure in 147Gd was found.

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