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NSR database version of May 10, 2024.

Search: Author = E.D.Davis

Found 17 matches.

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2018BE14      Phys.Rev. C 98, 014611 (2018)

G.F.Bertsch, D.Brown, E.D.Davis

Fluctuations in the 235U (n, f) cross section

NUCLEAR REACTIONS 235U(n, F), E=10 eV to 100 keV; analyzed σ(E) data, and fluctuations due to compound nucleus resonances; calculated σ(E) and σ autocorrelation function using modeling of the S matrix by a sum of Breit-Wigner resonances, and MAZAMA code; deduced that fine structure isolated in the 10-25 keV energy window. Comparison with experimental data from the EXFOR database, and evaluated data in ENDF/VIII.0 library.

doi: 10.1103/PhysRevC.98.014611
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2015DA07      Phys.Rev. C 92, 014319 (2015)

E.D.Davis, L.Hamdan

Reappraisal of the limit on the variation in α implied by the Oklo natural fission reactors

NUCLEAR REACTIONS 149Sm, 155,157Gd(n, γ), E=natural (Oklo) reactor neutrons; analyzed sensitivity of neutron resonance energies to changes in fine structure constant α; deduced αOklonow. Comparison of change in α with results from atomic clock experiments. Relevance to astrophysical measurements of redshift dependence on parameters such as α.

NUCLEAR STRUCTURE 149,150Sm, 156,158Gd; calculated proton and charge density parameters for ground states of 149,150Sm, excitation, Coulomb, and deformation corrections using deformed Fermi density distributions fitted to the output of Hartree-Fock (HF)+BCS calculations with SLy4 and SkM* Skyrme functionals.

doi: 10.1103/PhysRevC.92.014319
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2005DA33      J.Res.Natl.Inst.Stand.Technol. 110, 485 (2005)

E.D.Davis, C.R.Gould, G.E.Mitchell, E.I.Sharapov

Bounds on Time Reversal Violation From Polarized Neutron Capture With Unpolarized Targets

doi: 10.6028/jres.110.075
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2004DA03      Phys.Rev. C 69, 015501 (2004)

E.D.Davis, C.R.Gould, G.E.Mitchell, E.I.Sharapov

Bounds on P-odd T-odd interactions from polarized neutron capture with unpolarized targets

doi: 10.1103/PhysRevC.69.015501
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1999DA01      Phys.Rev. C59, 200 (1999)

E.D.Davis, B.R.Barrett, A.F.Diallo

Importance of the Hexadecapole-Hexadecapole Interaction

NUCLEAR STRUCTURE Z=62-68; analyzed moments of inertia, B(E2), B(E4) for deformed even-even nuclei; deduced hexadecapole-hexadecapole interaction role. sdgIBM model.

doi: 10.1103/PhysRevC.59.200
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1999DA08      Phys.Lett. 447B, 209 (1999)

E.D.Davis, C.R.Gould

Extraction of Bounds on Time-Reversal Non-Invariance from Neutron Reactions

doi: 10.1016/S0370-2693(99)00013-1
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1998DA02      Phys.Rev. C57, 648 (1998)

E.D.Davis, C.R.Gould

On-Resonance Deformation Effect Measurements: A probe of order within chaos in the nucleus

NUCLEAR REACTIONS 165Ho(n, X), E not given; calculated σ deformation effects; deduced oblate shape isomers role.

doi: 10.1103/PhysRevC.57.648
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1996DA14      Phys.Rev. C53, 2849 (1996)

E.D.Davis, A.F.Diallo, B.R.Barrett

g Boson and Systematics of the M1 Scissors Mode

doi: 10.1103/PhysRevC.53.2849
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1994BA57      Phys.Rev. C50, 1917 (1994)

B.R.Barrett, E.D.Davis, A.F.Diallo

Can We Do Without the Majorana Term in the Effective Nuclear Interaction ( Question )

NUCLEAR STRUCTURE 148,150,152,154Sm; calculated B(λ), g-factors; deduced Majorana term strength features.

doi: 10.1103/PhysRevC.50.1917
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1994DA19      Phys.Rev. C50, 2236 (1994)

E.D.Davis

Constraint on Time-Reversal Tests in Fully Chaotic Nuclear Systems

doi: 10.1103/PhysRevC.50.2236
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1994DA24      Phys.Rev. C50, 2362 (1994)

E.D.Davis, P.Navratil

Towards a Satifactory Microscopic Description of 2+1 g Factors

NUCLEAR STRUCTURE 148,154Sm; calculated levels, g-factors, B(λ); deduced F-spin admixture evidence.

doi: 10.1103/PhysRevC.50.2362
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1993DI07      Ann.Phys.(New York) 222, 159 (1993)

A.F.Diallo, E.D.Davis, B.R.Barrett

An Improved Asymptotic Realisation of the Projected Intrinsic State Approximation in IBM

doi: 10.1006/aphy.1993.1020
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1992BA59      Phys.Lett. 295B, 5 (1992)

B.R.Barrett, E.D.Davis, A.F.Diallo

g-Boson Panacea for Magnetic Properties of the Nuclear Groundstate Band ( Questiion )

NUCLEAR STRUCTURE 198,196,194,192Pt, 188,190,192Os; analyzed ground state band g-factor data; deduced g-boson degree of freedom does not resolve discrepancies. Other nuclei included, sdg-version of the interacting boson model, variation-after-angular momentum projection Hartree-Bose approximation.

doi: 10.1016/0370-2693(92)90079-J
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1992KO21      Hyperfine Interactions 75, 165 (1992)

J.E.Koster, E.D.Davis, C.R.Gould, D.G.Haase, N.R.Roberson, L.W.Seagondollar

Test of Time Reversal Invariance in 2-MeV Neutron Scattering from Aligned 165Ho

NUCLEAR REACTIONS 165Ho(polarized n, X), E=2 MeV; measured deformation effect, T-violating spin-flip asymmetry; deduced effective interaction parameter. Aligned target.

doi: 10.1007/BF02398973
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1991DA20      Z.Phys. A340, 159 (1991)

E.D.Davis

Nuclear Parity Violation Beyond the Two-State Approximation: Criteria for quantitative studies above neutron threshold

doi: 10.1007/BF01303827
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1991KO28      Phys.Lett. 267B, 23 (1991)

J.E.Koster, E.D.Davis, C.R.Gould, D.G.Haase, N.R.Roberson, L.W.Seagondollar, S.Wilburn, X.Zhu

Direct Reaction Test of T Violation in 2 MeV Neutron Scattering from Aligned 165Ho

NUCLEAR REACTIONS 165Ho(polarized n, X), E=2 MeV; measured deformation effect, T-violating spin-flip asymmetries vs θ; deduced analyzing power, time reversal invariance validity, nucleon-nucleon interaction couplings T(odd)/T(even) ratio. Rotating, cryogenically-aligned target.

doi: 10.1016/0370-2693(91)90517-T
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1990MU16      Phys.Rev.Lett. 65, 1329 (1990)

A.Muller, E.D.Davis, H.L.Harney

Parity Violation in Compound-Nucleus Reactions

NUCLEAR REACTIONS 181Ta, 146Nd, 139La, 150Sm, 204Pb, 85Rb, 115In, 94,91,90Zr, 88Sr, 110Pd(polarized n, X), E ≈ 1 eV-10 keV; calculated transmission assymmetry rms value vs En. Statistical theory, parity violation.

doi: 10.1103/PhysRevLett.65.1329
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