2,082 research outputs found

    Core Excitation in \u3csup\u3e14\u3c/sup\u3eC and Two-proton Pickup

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    In two-proton pickup from 14C, the calculated cross-section ratio for the first two 0+ states of 12Be depends on the configuration mixing in these two states and on the amount of core excitation in the ground state (g.s.) of 14C. Using the 12Be wave functions that are reasonably well known, I have calculated this ratio as a function of the core excitation in 14C(g.s.). A measurement of this ratio should allow an independent determination of the 14C mixing—previously estimated to be about 12%

    Kentucky Law Survey: Civil Procedure

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    This article provides a survey of civil procedure developments in the Commonwealth of Kentucky. The most significant civil procedure case decided by the Kentucky Court of Appeals during the period covered by this Survey is Nazareth Literary and Benevolent Institution v. Stephenson. That case, which deals with discovery of privileged communications, may have created problems that will require legislative action. Other decisions by the Court during this period serve to illustrate and amplify existing procedural points. The more important of these decisions will be briefly discussed prior to the consideration of Stephenson

    Properties of the Lowest 1/2\u3csup\u3e+\u3c/sup\u3e, \u3cem\u3eT\u3c/em\u3e = 3/2 States in \u3cem\u3eA\u3c/em\u3e = 11 Nuclei

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    Analysis of energies and widths of the lowest 1/2+ T = 3/2 states in A = 11 nuclei suggests that the excitation energy in 11C should be about 200 keV below the energy in the literature, and the width should be 4 to 5 times the literature value. Properties of the state in 11B and 11N are in agreement with the present model

    Properties of 3.89/3.96-MeV states in \u3csup\u3e11\u3c/sup\u3eBe

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    I have reanalyzed previous data from the 9Be(t,p) reaction to extract energies and widths for the two states near 3.9 MeV. Results are energies of 3889.27 ± 1.03 and 3954.53 ± 1.16 and widths of 3.2(8) and 7.9(7), all in keV, for the 5/2− and 3/2− states, respectively

    The Puzzle of \u3csup\u3e32\u3c/sup\u3eMg

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    In the so-called island of inversion, for very neutron-rich nuclei, the N = 20 shell gap narrows appreciably, allowing the lowest (fp)2 configuration to compete with the normal sd-shell structure at low excitation. It is thought that this intruder could even dominate the ground state (gs) in some nuclei. Of course, this lowering of the fp shell into the low-excitation region is already well known for N ~ Z nuclei, but, perhaps not quite to the same extent. For example, in 38Ar, which has N = 20, the presence of three low-lying 0+ states in an excitation region where only one sd-shell 0+ exists has long been taken as evidence of excitations into the fp shall (see Ref. 1 and references therein). An important nucleus in this region is 32Mg, whose gs has been reported to possess several puzzling features. Here, we briefly review the history as it relates to 32Mg

    Eminent Domain--Qualifying the Non-Expert Witness

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    \u3cem\u3eB\u3c/em\u3e(\u3cem\u3eE\u3c/em\u3e2) Value and Configuration Mixing in \u3csup\u3e32\u3c/sup\u3eMg

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    I demonstrate that the B(E2) value in 32Mg can be understood with a model in which both the ground and 2+ first-excited states are predominantly of sd-shell character

    Branching Ratio of \u3csup\u3e18\u3c/sup\u3eNe(7.06 MeV, 4\u3csup\u3e+\u3c/sup\u3e)

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    The recently reported branching ratio (BR) for the 4+ state in 18Ne at Ex = 7.06 MeV strongly disagrees with the BR computed using the known properties of this state
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