T. J. Lampman
McMaster University
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Featured researches published by T. J. Lampman.
Physical Review C | 2001
D. Ward; C. E. Svensson; I. Ragnarsson; C. Baktash; M. A. Bentley; J. A. Cameron; M. P. Carpenter; R. M. Clark; M. Cromaz; M.-A. Deleplanque; M. Devlin; R. M. Diamond; P. Fallon; S. Flibotte; A. Galindo-Uribarri; D. S. Haslip; R. V. F. Janssens; T. J. Lampman; G. J. Lane; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; Dirk Rudolph; D. G. Sarantites; B. Schaly; D. Seweryniak; F. S. Stephens; O. Thelen
The nucleus Ge-68 has been studied by gamma-ray spectroscopy following its population at high spin in the reaction Ca-40(S-32,4p) Ge-68. The reaction channel was selected with the Microball array and gamma rays were detected with the Gammasphere array. The level scheme is very complex, reflecting the many different, and presumably mixed, excitation modes in this nucleus. Nevertheless, there appear to be some simplifications in the spin range above 18 (h) over bar where we have identified a superdeformed band and several terminating bands. The results are compared with a cranked Nilsson-Strutinsky model without pairing.
Physical Review C | 2000
D. Ward; C. E. Svensson; I. Ragnarsson; C. Baktash; M. A. Bentley; J. A. Cameron; M. P. Carpenter; R. M. Clark; M. Cromaz; M.-A. Deleplanque; M. Devlin; R. M. Diamond; P. Fallon; S. Flibotte; A. Galindo-Uribarri; D. S. Haslip; R. V. F. Janssens; T. J. Lampman; G. J. Lane; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; D. Rudolph; D. G. Sarantites; B. Schaly; D. Seweryniak; F. S. Stephens; O. Thelen
The nucleus Ge-68 has been studied by gamma-ray spectroscopy following its population at high spin in the reaction Ca-40(S-32,4p) Ge-68. The reaction channel was selected with the Microball array and gamma rays were detected with the Gammasphere array. The level scheme is very complex, reflecting the many different, and presumably mixed, excitation modes in this nucleus. Nevertheless, there appear to be some simplifications in the spin range above 18 (h) over bar where we have identified a superdeformed band and several terminating bands. The results are compared with a cranked Nilsson-Strutinsky model without pairing.
Physical Review C | 2000
D. Ward; C. E. Svensson; I. Ragnarsson; C. Baktash; Bentley; J. A. Cameron; M. P. Carpenter; R. M. Clark; M. Cromaz; Deleplanque; M. Devlin; R. M. Diamond; P. Fallon; S. Flibotte; A. Galindo-Uribarri; D. S. Haslip; R. V. F. Janssens; T. J. Lampman; G. J. Lane; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; D. Rudolph; D. G. Sarantites; B. Schaly; D. Seweryniak; F. S. Stephens; O. Thelen
The nucleus Ge-68 has been studied by gamma-ray spectroscopy following its population at high spin in the reaction Ca-40(S-32,4p) Ge-68. The reaction channel was selected with the Microball array and gamma rays were detected with the Gammasphere array. The level scheme is very complex, reflecting the many different, and presumably mixed, excitation modes in this nucleus. Nevertheless, there appear to be some simplifications in the spin range above 18 (h) over bar where we have identified a superdeformed band and several terminating bands. The results are compared with a cranked Nilsson-Strutinsky model without pairing.
Physical Review C | 1999
C.-H. Yu; C. Baktash; J. Dobaczewski; J. A. Cameron; C. Chitu; M. Devlin; J. Eberth; A. Galindo-Uribarri; D. S. Haslip; D. R. Lafosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; Dirk Rudolph; D. G. Sarantites; C. E. Svensson; J. C. Waddington; J. N. Wilson
The yrast superdeformed band in Zn-61 has been established using Si-28(Ar-36, 2pn)Zn-61 and Ca-40(Si-29, 2 alpha)Zn-61 fusion-evaporation reactions. The excitation energy of this band was determined via two transitions that link this band to the normally deformed states. Lifetime analysis of this band resulted in a quadrupole moment of Q(t) = 3.0 +/- (0.5)(0.4)e b, which corresponds to a deformation of beta(2) = 0.50+/-(0.07)(0.06). A comparison of the J((2)) dynamical moments of inertia of the yrast superdeformed band in Zn-61 with those in Zn-60 shows a nearly complete blocking of the observed alignment in Zn-60, indicating that T=0 proton-neutron pair correlations may be present in Zn-60. [S0556-2813(99)51109-6].
Physical Review C | 1999
C.-H. Yu; C. Baktash; J. Dobaczewski; J. A. Cameron; C. Chitu; M. Devlin; J. Eberth; A. Galindo-Uribarri; D. S. Haslip; D. R. Lafosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; D. Rudolph; D. G. Sarantites; C. E. Svensson; J. C. Waddington; J. N. Wilson
The yrast superdeformed band in Zn-61 has been established using Si-28(Ar-36, 2pn)Zn-61 and Ca-40(Si-29, 2 alpha)Zn-61 fusion-evaporation reactions. The excitation energy of this band was determined via two transitions that link this band to the normally deformed states. Lifetime analysis of this band resulted in a quadrupole moment of Q(t) = 3.0 +/- (0.5)(0.4)e b, which corresponds to a deformation of beta(2) = 0.50+/-(0.07)(0.06). A comparison of the J((2)) dynamical moments of inertia of the yrast superdeformed band in Zn-61 with those in Zn-60 shows a nearly complete blocking of the observed alignment in Zn-60, indicating that T=0 proton-neutron pair correlations may be present in Zn-60. [S0556-2813(99)51109-6].
Physical Review C | 1999
C.-H. Yu; C. Baktash; J. Dobaczewski; J. A. Cameron; C. Chitu; M. Devlin; J. Eberth; A. Galindo-Uribarri; D. S. Haslip; D. R. Lafosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; C. Radford; D. Rudolph; D. G. Sarantites; C. E. Svensson; J. C. Waddington; J. N. Wilson
The yrast superdeformed band in Zn-61 has been established using Si-28(Ar-36, 2pn)Zn-61 and Ca-40(Si-29, 2 alpha)Zn-61 fusion-evaporation reactions. The excitation energy of this band was determined via two transitions that link this band to the normally deformed states. Lifetime analysis of this band resulted in a quadrupole moment of Q(t) = 3.0 +/- (0.5)(0.4)e b, which corresponds to a deformation of beta(2) = 0.50+/-(0.07)(0.06). A comparison of the J((2)) dynamical moments of inertia of the yrast superdeformed band in Zn-61 with those in Zn-60 shows a nearly complete blocking of the observed alignment in Zn-60, indicating that T=0 proton-neutron pair correlations may be present in Zn-60. [S0556-2813(99)51109-6].
Physical Review Letters | 1999
C. E. Svensson; Dirk Rudolph; C. Baktash; M. A. Bentley; J. A. Cameron; M. P. Carpenter; M. Devlin; J. Eberth; S. Flibotte; A. Galindo-Uribarri; Hackman G; D. S. Haslip; R. V. F. Janssens; D. R. Lafosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; J. M. Nieminen; S. Paul; D. C. Radford; P. Reiter; L. L. Riedinger; D. G. Sarantites; B. Schaly; D. Seweryniak; O. Thelen; H.G. Thomas; J. C. Waddington; D. Ward
Physical Review C | 2000
C. H. Yu; C. Baktash; J. Dobaczewski; J. A. Cameron; M. Devlin; J. Eberth; A. Galindo-Uribarri; D. S. Haslip; D. R. Lafosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. D. Paul; D. C. Radford; Dirk Rudolph; D. G. Sarantites; C. E. Svensson; J. C. Waddington; J. N. Wilson
Physical Review C | 2002
C.-H. Yu; C. Baktash; J. A. Cameron; M. Devlin; J. Eberth; A. Galindo-Uribarri; D. S. Haslip; LaFosse; T. J. Lampman; I. Y. Lee; F. Lerma; A. O. Macchiavelli; S. Paul; D. C. Radford; I. Ragnarsson; Dirk Rudolph; D. G. Sarantites; C. E. Svensson; J. C. Waddington; J. C. Wells; J. N. Wilson
Physical Review C | 2000
B. Djerroud; B. Schaly; S. Flibotte; G. C. Ball; S. Courtin; M. Cromaz; D. S. Haslip; T. J. Lampman; A. O. Macchiavelli; J. M. Nieminen; C. E. Svensson; J. C. Waddington; D. Ward; J. N. Wilson
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