P. M. Gore
Vanderbilt University
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Featured researches published by P. M. Gore.
Progress in Particle and Nuclear Physics | 1997
J. H. Hamilton; A. V. Ramayya; J. K. Hwang; J. Kormicki; B. R. S. Babu; A. Sandulescu; A. Florescu; W. Greiner; G. M. Ter-Akopian; Yu. Ts. Oganessian; A. V. Daniel; S. J. Zhu; Mengzhen Wang; Thomas Nelson Ginter; J. K. Deng; W. C. Ma; G. S. Popeko; Q. Lu; E. F. Jones; R. S. Dodder; P. M. Gore; W. Nazarewicz; J. O. Rasmussen; S. J. Asztalos; I. Y. Lee; S. Y. Chu; Kenneth E. Gregorich; A. O. Macchiavelli; M. F. Mohar; Stanley G. Prussin
Abstract Prompt γ-γ-γ and x-γ-γ coincidence studies following the spontaneous fission of 252Cf were carried out first at Oak Ridge then at Gammasphere first with 36 and later with 72 Ge and two x-ray detectors and a long x-ray-γ coincidence experiment at Idaho. Many new cases of correlated pairs in cold (zero neutron emission) binary fission are observed and for the first time the heavier correlated pairs are identified in ternary fission where the third partners are α, 6He (or α2n), 10Be and, tentatively, 14C. Theoretical calculations were carried out of the relative yields of cold binary and ternary fission. There is reasonable agreement between the relative theoretical and experimental yields. New level structures and isotopes include new octupole deformations, identical bands and other structures. Stable octupole deformation is now observed in N=86, 140Xe, 142Ba and 144Ba and 143Ba, 148Ba and to higher spin in 144Ba. The 142–146Ba data provide the first evidence for the predicted disappearance of stable octupole deformation at high spins from band crossings. Identical yrast bands are observed with widely different neutron and proton numbers in 98,100Sr, 108,110Ru, 112,116Pd, 144,146Ba, 152,154,156Nd, 156Sm, 160Gd and a new type of shifted identical bands in 156,158,160Sm as well as the first identical octupole bands in 142,144Ba. Other new level structures are found. Yields and neutron multiplicities were measured directly for SrNd, ZrCe, MoBa, RuXe, and PdTe correlated pairs. A new ultra hot fission mode was discovered going via only 108Mo144Ba, 107Mo145Ba, and/or 106Mo146Ba pairs where one or more of 44,145,146Ba are hyperdeformed at scission with 3:1 axis ratio.
Physical Review C | 2001
X. Q. Zhang; J. H. Hamilton; A. V. Ramayya; S. J. Zhu; J. K. Hwang; C. J. Beyer; J. Kormicki; E. F. Jones; P. M. Gore; B. R. S. Babu; T. N. Ginter; R. Aryaeinejad; K. Butler-Moore; J. D. Cole; M. W. Drigert; James Keith Jewell; Edward Lawrence Reber; J. Gilat; I. Y. Lee; J. O. Rasmussen; A. V. Daniel; Yu. Ts. Oganessian; G. M. Ter-Akopian; W. C. Ma; P. G. Varmette; L. A. Bernstein; R. W. Lougheed; K. J. Moody; M. A. Stoyer; R. Donangelo
The yrast band was significantly extended to 14{sup +} and the {gamma} band to 5{sup +} in neutron-rich {sup 118}Pd by measuring the {gamma}-{gamma}-{gamma} coincidences emitted from the spontaneous fission of {sup 252}Cf with Gammasphere. The first band crossing was observed in the yrast band in {sup 118}Pd at a frequency of {Dirac_h}{omega}{approx}0.36 MeV at the starting point of the backbending, which is similar to that found in {sup 112-116}Pd. The first bandbending in the yrast cascade in {sup 118}Pd is interpreted to be built on a two h{sub 11/2} neutron configuration based on its similarity to the yrast bands in even-even {sup 112-116}Pd. Our result indicates {sup 118}Pd still maintains a prolate shape. The quasineutron Routhian calculations indicate a lower crossing frequency for the h{sub 11/2} level.
Physical Review C | 2003
J. K. Hwang; A. V. Ramayya; J. H. Hamilton; D. Fong; C. J. Beyer; P. M. Gore; Y. X. Luo; J. O. Rasmussen; S. C. Wu; I. Y. Lee; C. M. Folden; P. Fallon; Peter M. Zielinski; Kenneth E. Gregorich; A. O. Macchiavelli; M. A. Stoyer; S. J. Asztalos; T. N. Ginter; S. J. Zhu; J. D. Cole; G. M. Ter Akopian; Yu. Ts. Oganessian; R. Donangelo
An excited rotational band including seven new
Physical Review C | 2000
J. K. Hwang; A. V. Ramayya; J. H. Hamilton; E. F. Jones; P. M. Gore; S. J. Zhu; C. J. Beyer; J. Kormicki; X. Q. Zhang; L. K. Peker; B. R. S. Babu; T. N. Ginter; G. M. Ter-Akopian; Yu. Ts. Oganessian; A. V. Daniel; W. C. Ma; P. G. Varmette; J. O. Rasmussen; I. Y. Lee; J. D. Cole; R. Aryaeinejad; M. W. Drigert; M. A. Stoyer; Stanley G. Prussin; R. Donangelo; H. C. Griffin
\ensuremath{\gamma}
Physics of Atomic Nuclei | 2004
G. M. Ter-Akopian; A. V. Daniel; A. S. Fomichev; G. S. Popeko; A. M. Rodin; Yu. Ts. Oganessian; J. H. Hamilton; A. V. Ramayya; J. Kormicki; J. K. Hwang; D. Fong; P. M. Gore; J. D. Cole; M. Jandel; J. Kliman; L. Krupa; J. O. Rasmussen; I. Y. Lee; A. O. Macchiavelli; P. Fallon; M. A. Stoyer; R. Donangelo; S. C. Wu; W. Greiner
transitions was identified in
Journal of Physics G | 2002
M. Jandel; J. Kliman; L Krupa; M. Morháč; J. H. Hamilton; J. Kormicki; A. V. Ramayya; J. K. Hwang; Y. X. Luo; D Fong; P. M. Gore; G. M. Ter Akopian; Yu. Ts. Oganessian; A. M. Rodin; A. S. Fomichev; G. S. Popeko; A. V. Daniel; J. O. Rasmussen; A. O. Macchiavelli; M. A. Stoyer; R. Donangelo; J. D. Cole
{}^{97}\mathrm{Sr}
Physics of Atomic Nuclei | 2006
E. F. Jones; P. M. Gore; S. J. Zhu; J. H. Hamilton; A. V. Ramayya; J. K. Hwang; R. Q. Xu; L. M. Yang; K. Li; Z. Jiang; Z. Zhang; S. D. Xiao; X. Q. Zhang; W. C. Ma; J. D. Cole; M. W. Drigert; I. Y. Lee; J. O. Rasmussen; Y. X. Luo; M. A. Stoyer
from
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1997
R. S. Dodder; E. F. Jones; J. H. Hamilton; A. V. Ramayya; P. M. Gore; C. J. Beyer; A. P. de Lima; J. K. Hwang; X. Q. Zhang; S. J. Zhu; Q. Lu; Thomas Nelson Ginter; B. R. S. Babu; Mengzhen Wang; J. Kormicki; J. K. Deng; D. Sh; J. D. Cole; R. Aryaeinejad; K. Butler-Moore; M. W. Drigert; W. C. Ma; G. M. Ter-Akopian; Yu. Ts. Oganessian; A. V. Daniel; J. O. Rasmussen; S. J. Asztalos; I. Y. Lee; A. O. Machiavelli; M. A. Stoyer
\ensuremath{\gamma}\ensuremath{-}\ensuremath{\gamma}\ensuremath{-}\ensuremath{\gamma}
Exotic nuclei and atomic masses (ENAM 98) | 1998
E. F. Jones; P. M. Gore; J. H. Hamilton; A. V. Ramayya; R. S. Dodder; C. J. Beyer; J. K. Hwang; X. Q. Zhang; S. J. Zhu; A.P. de Lima; J. Kormicki; J. D. Cole; R. Aryaeinejad; W. C. Ma; G. M. Ter-Akopian; Yu. Ts. Oganessian; A. V. Daniel; J. O. Rasmussen; S. J. Asztalos; I. Y. Lee; A. O. Macchiavelli; M. A. Stoyer; R. W. Lougheed; Stanley G. Prussin; R. Donangelo
coincidences in the spontaneous fission of
Progress in Particle and Nuclear Physics | 2001
E. F. Jones; P. M. Gore; J. H. Hamilton; A. V. Ramayya; J. K. Hwang; A.P. Delima
{}^{252}\mathrm{Cf}.