Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Robinson, S. J. Q."'
Publikováno v:
Phys. Rev. C89, 014316 (2014)
In this work we look at the low lying nuclear structure of several N=Z nuclei residing between the doubly magic nucei ^{40} Ca and ^{100} Sn. Using large shell model codes we calculate and discuus the systematics of enegies. We show energy levels, B(
Externí odkaz:
http://arxiv.org/abs/1307.5735
We define the "quadrupole ratio" r_{Q}=\dfrac{Q_{0}(S)}{Q_{0}(B)} where Q_{0}(S) is the intrinsic quadrupole moment obtained from the static quadrupole moment of the 2_{1}^{+} state of an even-even nucleus and Q_{0}(B) the intrinsic quadrupole moment
Externí odkaz:
http://arxiv.org/abs/1208.2682
Publikováno v:
Phys.Rev.C83:027302,2011
In this work we examine two recent effective shell model interactions, JUN45 and JJ4B, that have been proposed for use in the $f_{5/2},p_{3/2}, p_{1/2}, g_{9/2}$ model space for both protons and neutrons. We calculate a number of quantities that did
Externí odkaz:
http://arxiv.org/abs/1007.0264
Publikováno v:
Phys.Rev.C82:067303,2010
In calculations of isoscalar magnetic moments of odd-odd N=Z nuclei it was found that for medium to heavy mass nuclei large scale shell model calculations yielded results which were very close to much simpler single j shell ones. To understand this w
Externí odkaz:
http://arxiv.org/abs/1006.4856
Publikováno v:
Phys.Rev.C79:054322,2009
We study the role of configuration mixing in the heavier even-even isotopes of Argon. We begin by limiting the configurations of the even-even Ar isotopes to $(d_{3/2}^2)_{\pi}$ $(f_{7/2}^n)_{\nu}$. There, due to the particular location in this shell
Externí odkaz:
http://arxiv.org/abs/0810.2996
Publikováno v:
Europhys.Lett.88:52001,2009
We consider T=0 states in even-even and odd-odd N=Z nuclei. The g factors that emerge are isoscalar. We find that the single j shell model gives simple expressions for these g factors which for even-even nuclei are suprisingly close to the collective
Externí odkaz:
http://arxiv.org/abs/0807.0458
Publikováno v:
Phys.Rev. C73 (2006) 027301
A full fp calculation is performed for states which were degenerate in a single-j-shell calculation in which isospin-zero two-body matrix elements were set to zero energy. Most of the splitting in a complete shell calculation (but not all) comes from
Externí odkaz:
http://arxiv.org/abs/nucl-th/0512081
Autor:
Robinson, S. J. Q., Zamick, L., Escuderos, A., Fearick, R. W., von Neumann-Cosel, P., Richter, A.
Publikováno v:
Phys.Rev. C73 (2006) 037306
In this work, we examine critically the relation between orbital magnetic dipole (scissors mode) strength and quadrupole deformation properties. Assuming a simple K=0 ground state band in an even-even nucleus, the quantities Q(2^+_1) (i.e., the stati
Externí odkaz:
http://arxiv.org/abs/nucl-th/0506059
Publikováno v:
Phys.Rev. C72 (2005) 054301
In the nuclear f_7/2 shell, the nucleon-nucleon interaction can be represented by the eight values E(J)=<(f^2_{7/2})^J |V| (f^2_{7/2})^J>, J=0,1,...,7, where for even J the isospin is 1, and for odd J it is 0. If we set the T=0 (odd J) two-body matri
Externí odkaz:
http://arxiv.org/abs/nucl-th/0505057
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