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Featured researches published by Ea Henry.


Physical Review C | 1995

ONSET OF COLLECTIVITY IN NEUTRON-DEFICIENT PO-196,PO-198

L. A. Bernstein; Ja Cizewski; H.-Q. Jin; W. Younes; R. G. Henry; L. P. Farris; A Charos; M. P. Carpenter; Rvf Janssens; T. L. Khoo; T. Lauritsen; I. G. Bearden; D. Ye; J. A. Becker; Ea Henry; M. J. Brinkman; Hughes; A. Kuhnert; T.-F. Wang; Ma Stoyer; R. M. Diamond; F. S. Stephens; M.-A. Deleplanque; A. O. Macchiavelli; I. Y. Lee; B. Cederwall; J. R. B. Oliveira; J. Burde; P. Fallon; C Duyar

We have studied via in-beam gamma-ray spectroscopy Po-196 and Po-198, which are the first neutron-deficient Po isotopes to exhibit a collective low-lying structure. The ratios of yrast state energi ...


Physical Review C | 2008

Superdeformation in 198 Po

Dp McNabb; G Baldsiefen; L. A. Bernstein; Ja Cizewski; H.-Q. Jin; W. Younes; J. A. Becker; L. P. Farris; Ea Henry; Hughes; Cs Lee; Sj Asztalos; B. Cederwall; Rm Clark; M.-A. Deleplanque; R. M. Diamond; P. Fallon; I. Y. Lee; A. O. Macchiavelli; F. S. Stephens

The 174Yb(29Si,5n) reaction at 148 MeV with thin targets was used to populate high-angular momentum states in 198Po. Resulting γ rays were observed with Gammasphere. A weakly-populated superdeformed band of 10 γ-ray transitions was found and has been assigned to 198Po. This is the first observation of a SD band in the A ≈ 190 region in a nucleus with Z > 83. The J (2) of the new band is very similar to those of the yrast SD bands in 194Hg and 196Pb. The intensity profile suggests that this band is populated through states close to where the SD band crosses the yrast line and the Present address: Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831. Present address: Department of Physics, Royal Institute of Technology, Stockholm, Sweden.


Physical Review C | 1995

IDENTIFICATION OF THE UNFAVORED N=7 SUPERDEFORMED BAND IN HG-191

M. P. Carpenter; Rvf Janssens; B. Cederwall; B. Crowell; I. Ahmad; J. A. Becker; M. J. Brinkman; M.-A. Deleplanque; R. M. Diamond; P. Fallon; L. P. Farris; U. Garg; D. Gassmann; Ea Henry; R. G. Henry; Hughes; T. L. Khoo; T. Lauritsen; I. Y. Lee; Ao Machiavelli; E. F. Moore; D. Nisius; F. S. Stephens


Physical Review Letters | 1994

Lifetime measurement in excited and yrast superdeformed bands in 194Hg.

Hughes; I. Ahmad; J. A. Becker; M. J. Brinkman; M. P. Carpenter; B. Cederwall; M.-A. Deleplanque; R. M. Diamond; J. E. Draper; C Duyar; P. Fallon; S Harfenist; Ea Henry; R. G. Henry; Rw Hoff; Rvf Janssens; T. L. Khoo; T. Lauritsen; I. Y. Lee; E. Rubel; F. S. Stephens; Ma Stoyer


Physical Review C | 1993

Collective oblate bands in [sup 196]Pb

J.R. Hughes; Y. Liang; R. V. F. Janssens; A. Kuhnert; J. A. Becker; I. Ahmad; I. G. Bearden; M. J. Brinkman; J. Burde; M. P. Carpenter; Ja Cizewski; P. J. Daly; M. A. Deleplanque; R. M. Diamond; J. E. Draper; C. Duyar; B. Fornal; U. Garg; Z. W. Grabowski; Ea Henry; R. G. Henry; W. Hesselink; N. Kalantar-Nayestanaki; W. H. Kelly; T. L. Khoo; T. Lauritsen; R. H. Mayer; D. Nissius; J. R. B. Oliveira; A. J. M. Plompen


Physical Review C | 1986

Isomerism in 148Pr and the low-lying levels of 148Nd.

W. B. Walters; Namik K. Aras; Craig A. Stone; Chul-Jong Chung; R. L. Gill; M. Shmid; Ea Henry; R. A. Meyer


Physical Review C | 1984

Gamma-ray cascade population of the (19/2)/sup -/ isomer in the decay of /sup 133/Te/sup m/ to levels of /sup 133/I

W. B. Walters; Ea Henry; R. A. Meyer


Physical Review C | 1995

SUPERDEFORMATION IN ER-154

L. A. Bernstein; Hughes; J. A. Becker; L. P. Farris; Ea Henry; Sj Asztalos; B. Cederwall; Rm Clark; M.-A. Deleplanque; R. M. Diamond; P. Fallon; I. Y. Lee; A. O. Macchiavelli; F. S. Stephens; Ja Cizewski; W. Younes


Abstract of Papers of the American Chemical Society | 1994

LIFETIME MEASUREMENT IN EXCITED AND YRAST SUPERDEFORMED BANDS IN A=190 REGION

Hughes; I. Ahmad; J. A. Becker; M. J. Brinkman; M. P. Carpenter; B. Cederwall; M.-A. Deleplanque; R. M. Diamond; J. E. Draper; C Duyar; P. Fallon; S Harfenist; Ea Henry; R. G. Henry; Rw Hoff; Rvf Janssens; T. L. Khoo; T. Lauritsen; I. Y. Lee; E. Rubel; F. S. Stephens; Ma Stoyer


Physical Review C | 1993

NEW OBLATE BAND IN HG-196 WITH QUENCHED M1 STRENGTH

B. Cederwall; M.-A. Deleplanque; F. Azaiez; R. M. Diamond; P. Fallon; W. Korten; I. Y. Lee; A. O. Macchiavelli; J. R. B. Oliveira; F. S. Stephens; W. H. Kelly; Dt Vo; J. A. Becker; M. J. Brinkman; Ea Henry; Hughes; A. Kuhnert; Ma Stoyer; T.-F. Wang; J. E. Draper; C Duyar; E. Rubel; J Deboer

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J. A. Becker

Lawrence Livermore National Laboratory

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R. M. Diamond

Lawrence Berkeley National Laboratory

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F. S. Stephens

Lawrence Berkeley National Laboratory

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I. Y. Lee

Lawrence Berkeley National Laboratory

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M.-A. Deleplanque

Lawrence Berkeley National Laboratory

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P. Fallon

Lawrence Berkeley National Laboratory

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B. Cederwall

Royal Institute of Technology

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M. J. Brinkman

Lawrence Livermore National Laboratory

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M. P. Carpenter

Argonne National Laboratory

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