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NSR database version of April 11, 2024.

Search: Author = A.C.Hayes

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2024ME02      Phys.Rev. C 109, 034003 (2024)

K.D.Meaney, M.W.Paris, G.M.Hale, Y.Kim, J.Kuczek, A.C.Hayes

Deuterium-tritium fusion γ-ray spectrum at MeV energies with application to reaction-in-flight inertial confinement fusion measurements

doi: 10.1103/PhysRevC.109.034003
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2022HA17      Phys.Rev. C 105, 055502 (2022)

A.C.Hayes, J.Friar, G.M.Hale, G.T.Garvey

Angular correlations in the e+e- decay of excited states in 8Be

NUCLEAR REACTIONS 7Li(p, γ), E=0.1-1.5 MeV; analyzed σ(E) from 1995ZA03 with R-matrix analysis; deduced M1/E1 ratio; calculated e+e- angular distribution from 18.15-MeV resonance in 8Be. Claimed no evidence of axion decay in the 8Be found.

doi: 10.1103/PhysRevC.105.055502
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2022TO13      Phys.Lett. B 835, 137576 (2022)

W.Tornow, A.P.Tonchev, S.W.Finch, Krishichayan, X.B.Wang, A.C.Hayes, H.G.D.Yeomans, D.A.Newmark

Neutral-current neutrino cross section and expected supernova signals for 40Ar from a three-fold increase in the magnetic dipole strength

NUCLEAR REACTIONS 40Ar(γ, γ'), E=9.4-10.2 MeV; measured reaction products, Eγ, Iγ; calculated the neutral-current neutrino σ using shell model; deduced γ-ray energies, J, π, resonance parameters, B(M1), B(E1). The Nuclear Resonance Fluorescence (NRF) technique, the High-Intensity Gamma-Ray Source (HIγS) of the Triangle Universities Nuclear Laboratory (TUNL).

doi: 10.1016/j.physletb.2022.137576
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2018HA01      Phys.Rev.Lett. 120, 022503 (2018)

A.C.Hayes, G.Jungman, E.A.McCutchan, A.A.Sonzogni, G.T.Garvey, X.B.Wang

Analysis of the Daya Bay Reactor Antineutrino Flux Changes with Fuel Burnup

NUCLEAR REACTIONS 235U, 239Pu(n, F), E thermal; analyzed available data; deduced origins of discrepancy between model predictions and the Daya Bay results for antineutrino flux and spectrum.

doi: 10.1103/PhysRevLett.120.022503
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2018HA38      Phys.Rev. C 98, 065505 (2018)

A.C.Hayes, J.L.Friar

Effect of Siegert's theorem on low-energy neutrino-nucleus interactions

NUCLEAR REACTIONS 16O(ν, X), E=25-150 MeV; 12C(ν, e-), E=30-75 MeV electron neutrinos; calculated σ(E), and differential σ(θ) using Siegert's theorem; discussed importance of conserving the vector current in calculating low-energy neutrino-nucleus interactions. 12C(μ-, ν)12B, E not given; calculated capture rates to low lying states of 12B, with and without using Siegert's theorem, and compared with experimental values.

doi: 10.1103/PhysRevC.98.065505
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2017CA06      Prog.Part.Nucl.Phys. 94, 68 (2017)

J.Carlson, M.P.Carpenter, R.Casten, C.Elster, P.Fallon, A.Gade, C.Gross, G.Hagen, A.C.Hayes, D.W.Higinbotham, C.R.Howell, C.J.Horowitz, K.L.Jones, F.G.Kondev, S.Lapi, A.Macchiavelli, E.A.McCutchan, J.Natowitz, W.Nazarewicz, T.Papenbrock, S.Reddy, M.J.Savage, G.Savard, B.M.Sherrill, L.G.Sobotka, M.A.Stoyer, M.B.Tsang, K.Vetter, I.Wiedenhoever, A.H.Wuosmaa, S.Yennello

White paper on nuclear astrophysics and low-energy nuclear physics, Part 2: Low-energy nuclear physics

doi: 10.1016/j.ppnp.2016.11.002
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2017HA02      Rep.Prog.Phys. 80, 026301 (2017)


Applications of nuclear physics

doi: 10.1088/1361-6633/80/2/026301
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2017SO18      Phys.Rev.Lett. 119, 112501 (2017)

A.A.Sonzogni, E.A.McCutchan, A.C.Hayes

Dissecting Reactor Antineutrino Flux Calculations

NUCLEAR REACTIONS 235U, 238U, 239,241Pu(n, F), E thermal; calculated antineutrino spectrum, number of β- decaying levels, Daya Bay spectrum.

doi: 10.1103/PhysRevLett.119.112501
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2017WA20      Phys.Rev. C 95, 064313 (2017)

X.B.Wang, A.C.Hayes

Weak magnetism correction to allowed β decay for reactor antineutrino spectra

NUCLEAR STRUCTURE 86Se, 90Kr, 94Sr, 102Zr, 104Mo, 110Ru, 136Te, 140Xe, 144Ba, 148Ce, 150Nd; calculated occupation probabilities and equivalent spectra for the proton and neutron single-particle energies using Hartree-Fock-Bogoliubov, Lipkin-Nogami method (HFB-LN) calculations.

RADIOACTIVITY 85Se, 93Sr, 92Y, 99Zr, 102Nb, 103Mo, 104Tc, 106Rh(β-); A=14-103(β-); calculated fractional orbital correction for the weak magnetism for the allowed β transitions, 235U; calculated aggregate thermal fission antineutrino spectrum.

doi: 10.1103/PhysRevC.95.064313
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2016WA21      Phys.Rev. C 94, 034314 (2016)

X.B.Wang, J.L.Friar, A.C.Hayes

Nuclear Zemach moments and finite-size corrections to allowed β decay

RADIOACTIVITY 14C, 25Na, 35S, 45Ca, 61Cr, 64Co, 100,104Nb, 121Sn(β-); calculated charge density distribution of 120Sn, radial wave functions of the neutron in the parent nuclei and the proton in the daughter nuclei, single-density moments, and Zeemach moments from convoluted densities for allowed ground-state-to-ground-state β- decays. Hartree-Fock model using a Skyrme-like energy density functional. Discussed role of finite-size correction in β- decay in determining the expected antineutrino spectra from reactors.

doi: 10.1103/PhysRevC.94.034314
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2015DY01      Phys.Rev. C 91, 024326 (2015)

T.Dytrych, A.C.Hayes, K.D.Launey, J.P.Draayer, P.Maris, J.P.Vary, D.Langr, T.Oberhuber

Electron-scattering form factors for 6Li in the ab initio symmetry-guided framework

NUCLEAR REACTIONS 6Li(e, e'), E not given; calculated longitudinal C0 form factors using ab initio symmetry-adapted no-core shell-model description (SA-NCSM) for the bare JISP16 and NNLOopt NN interactions, and for several SU(3)-selected spaces. Comparison with available experimental data.

doi: 10.1103/PhysRevC.91.024326
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2014HA12      Phys.Rev.Lett. 112, 202501 (2014)

A.C.Hayes, J.L.Friar, G.T.Garvey, G.Jungman, G.Jonkmans

Systematic Uncertainties in the Analysis of the Reactor Neutrino Anomaly

doi: 10.1103/PhysRevLett.112.202501
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2013UL01      Phys.Rev. C 87, 044607 (2013)

J.L.Ullmann, E.M.Bond, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, T.Kawano, H.Y.Lee, J.M.O'Donnell, A.C.Hayes, I.Stetcu, T.N.Taddeucci, P.Talou, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, A.Chyzh, J.Gostic, R.Henderson, E.Kwan, C.Y.Wu

Prompt γ-ray production in neutron-induced fission of 239Pu

NUCLEAR REACTIONS 239Pu(n, F), E<30 keV; measured prompt Eγ, Iγ, fission σ(E), Gamma-ray multiplicity using DANCE γ-ray calorimeter at LANSCE facility; deduced average multiplicity, average total energy. GEANT4 simulation of DANCE detector. Fission Tagging. Comparison with Monte Carlo Hauser-Feshbach (MCHF) calculations, previous experimental studies, and with ENDF/B-VII.

doi: 10.1103/PhysRevC.87.044607
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2012BR11      Phys.Rev. C 86, 014617 (2012)

P.A.Bradley, G.P.Grim, A.C.Hayes, Gerard Jungman, R.S.Rundberg, J.B.Wilhelmy, G.M.Hale, R.C.Korzekwa

Neutron reactions in the hohlraum at the LLNL National Ignition Facility

NUCLEAR REACTIONS 197Au, 238U(n, γ), 197Au(n, n')197mAu, 197Au, 238U(n, 2n), (n, 3n), (n, 4n), 238U(n, F), E=0-30 MeV; analyzed techniques to measure neutron yields and neutron fluence spectra from (d, t) reaction at the LLNL National Ignition Facility for deuterium-tritium (DT) inertial confinement fusion. Neutron diagnostics and dosimetry.

doi: 10.1103/PhysRevC.86.014617
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2012HA06      Phys.Rev. C 85, 024617 (2012)

A.C.Hayes, H.R.Trellue, M.M.Nieto, W.B.Wilson

Antineutrino monitoring of burning mixed oxide plutonium fuels

RADIOACTIVITY 235,238U, 239,241Pu(SF); analyzed fission fraction, effective antineutrino detection cross section, and antineutrino signal as function of burn-up of LEU and MOX reactor and weapon grade fuels using Monteburns (MCNP+CINDERĀ90) code. Relevance to nuclear accountability.

doi: 10.1103/PhysRevC.85.024617
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2012HA28      Nucl.Instrum.Methods Phys.Res. A690, 68 (2012)

A.C.Hayes, G.Jungman

Determining reactor flux from xenon-136 and cesium-135 in spent fuel

doi: 10.1016/j.nima.2012.06.031
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2010HA14      Phys.Rev. C 81, 054301 (2010)

A.C.Hayes, A.A.Kwiatkowski

Structure of the particle-hole amplitudes in no-core shell model wave functions

NUCLEAR REACTIONS 6Li, 12C(e, e), (e, e'), E not given; calculated charge density, C0 and C2 form factors, point charged radius, charge form factor, B(E2), giant monopole strength using no-core shell model (NCSM) wave functions. Scattering from ground state and first excited state. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.054301
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2009ST11      Phys.Rev. C 79, 064001 (2009)

I.Stetcu, S.Quaglioni, J.L.Friar, A.C.Hayes, P.Navratil

Electric dipole polarizabilities of hydrogen and helium isotopes

NUCLEAR STRUCTURE 3H, He, 4He; calculated electric dipole polarizability using the Schrodinger equation. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.064001
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2008HA32      Phys.Rev. C 78, 024311 (2008)

A.C.Hayes, J.L.Friar, P.Moller

Splitting sensitivity of the ground and 7.6 eV isomeric states of 229Th

NUCLEAR STRUCTURE 229Th; calculated quasiparticle energies, energy deformations, splittings of g.s. and 7.6 eV isomeric state. Finite-rays microscopic-macroscopic model.

doi: 10.1103/PhysRevC.78.024311
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2008ST14      Phys.Lett. B 665, 168 (2008)

I.Stetcu, C.-P.Liu, J.L.Friar, A.C.Hayes, P.Navratil

Nuclear electric dipole moment of 3He

NUCLEAR STRUCTURE 3He; calculated electric dipole moment.

doi: 10.1016/j.physletb.2008.06.019
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2007HA37      Phys.Lett. B 650, 229 (2007)

A.C.Hayes, J.L.Friar

Sensitivity of nuclear transition frequencies to temporal variation of the fine structure constant or the strong interaction

doi: 10.1016/j.physletb.2007.05.021
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2005VA32      Eur.Phys.J. A 25, Supplement 1, 475 (2005)

J.P.Vary, O.V.Atramentov, B.R.Barrett, M.Hasan, A.C.Hayes, R.Lloyd, A.I.Mazur, P.Navratil, A.G.Negoita, A.Nogga, W.E.Ormand, S.Popescu, B.Shehadeh, A.M.Shirokov, J.R.Spence, I.Stetcu, S.Stoica, T.A.Weber, S.A.Zaytsev

Ab initio No-Core Shell Model -- Recent results and future prospects

NUCLEAR STRUCTURE 4He; calculated radius. 6Li, 16O, 48Ar, 48K, 48Ca, 48Sc, 48Ti, 48V, 48Cr, 48Mn; calculated ground-state energies. 16O, 47Ca; calculated excited states energies. No-core shell model.

doi: 10.1140/epjad/i2005-06-214-x
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2003HA17      Phys.Rev.Lett. 91, 012502 (2003)

A.C.Hayes, P.Navratil, J.P.Vary

Neutrino-12C Scattering in the Ab Initio Shell Model with a Realistic Three-Body Interaction

NUCLEAR STRUCTURE 12C; calculated level energies, transitions B(E2), B(E1), quadrupole moment, electron scattering form factor. No-core shell model, three-body effective interactions.

NUCLEAR REACTIONS 12C(ν, e), (ν, μ), (μ, X), E not given; calculated σ. No-core shell model, three-body effective interactions.

doi: 10.1103/PhysRevLett.91.012502
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2003HA44      Phys.Rev. C 68, 067302 (2003)


Inadequacy of scaling arguments for neutrino cross sections

NUCLEAR REACTIONS 12C(e, e'), E not given; calculated transverse magnetic form factor. 12C(ν, e), (ν, μ), E not given; calculated weak interaction rates. Use of scaling arguments discussed.

doi: 10.1103/PhysRevC.68.067302
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2003LY02      Phys.Rev. C 67, 014607 (2003)

J.E.Lynn, A.C.Hayes

Theoretical evaluations of the fission cross section of the 77 eV isomer of 235U

NUCLEAR REACTIONS 235U(n, F), E < 2 MeV; calculated fission σ for ground and isomeric states. 235U(n, n'), (n, γ), E < 2 MeV; calculated capture and inelastic σ. 237U, 239Pu(n, F), E < 2 MeV; calculated fission σ. Comparisons with data.

doi: 10.1103/PhysRevC.67.014607
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2002HA25      Phys.Rev. C65, 058501 (2002)

A.C.Hayes, L.Zanini

Parity Violation in Partial Neutron Capture Reactions

NUCLEAR REACTIONS 107Ag(n, γ), E not given; analyzed photon intensities for neighboring p-wave and s-wave resonances. Experiments for determination of parity-violating matrix elements discussed.

doi: 10.1103/PhysRevC.65.058501
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2000EN04      Phys.Rev. C61, 035502 (2000)

J.Engel, J.L.Friar, A.C.Hayes

Nuclear Octupole Correlations and the Enhancement of Atomic Time-Reversal Violation

doi: 10.1103/PhysRevC.61.035502
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2000HA17      Phys.Rev. C61, 044603 (2000)

A.C.Hayes, I.S.Towner

Shell-Model Calculations of Neutrino Scattering from 12C

NUCLEAR REACTIONS 12C(ν, μ-), (ν, e), (μ-, X), (γ, X), E not given; calculated σ. Shell model, comparisons with data.

doi: 10.1103/PhysRevC.61.044603
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2000TO10      Phys.Rev. C62, 054607 (2000)

S.Tomsovic, M.B.Johnson, A.C.Hayes, J.D.Bowman

Statistical Theory of Parity Nonconservation in Compound Nuclei

NUCLEAR REACTIONS 238U, 104,105,106,108Pd(polarized n, X), E not given; calculated compound nuclei weak spreading widths, parity-violating matrix elements. Comparison with data.

NUCLEAR STRUCTURE 239U, 105,106,107,109Pd; calculated weak spreading widths, parity-violating matrix elements. Comparison with data.

doi: 10.1103/PhysRevC.62.054607
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1999HA32      Phys.Rep. 315, 257 (1999)


Nuclear Structure Issues Determining Neutrino-Nucleus Cross Sections

NUCLEAR REACTIONS 12C(ν, μ-), (ν, e), E=solar; calculated σ; deduced structure effects.

doi: 10.1016/S0370-1573(99)00026-5
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1999LE04      Phys.Rev. C59, 1211 (1999)

R.Lewis, A.C.Hayes

Deuteron Stripping as a Probe of the Proton Halo in 17F

NUCLEAR REACTIONS 16O(d, n), (d, p), E=8 MeV; analyzed σ(θ); deduced parameters. 17O, 17F deduced radii, halo features.

doi: 10.1103/PhysRevC.59.1211
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1997BE30      Phys.Rev. C56, 583 (1997)

C.J.Benesh, A.C.Hayes, J.L.Friar

Reply to ' Comment on ' Quantum-Mechanical Equivalent-Photon Spectrum for Heavy Ion Physics ' '

doi: 10.1103/PhysRevC.56.583
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1996BE44      Phys.Rev. C54, 1404 (1996)

C.J.Benesh, A.C.Hayes, J.L.Friar

Quantum-Mechnical Equivalent-Photon Spectrum for Heavy-Ion Physics

NUCLEAR REACTIONS 41Ca, 17O(197Au, 197Au'), E not given; calculated target dipole excitation σ. 197Au(12C, X), (20Ne, X), E=2.1 GeV/nucleon; 197Au(56Fe, X), (40Ar, X), E=1.9 GeV/nucleon; 197Au(20Ne, X), E=1.7 GeV/nucleon; 197Au(197Au, X), (209Bi, X), (86Kr, X), E=1 GeV/nucleon; 197Au(238U, X), E=0.96 GeV/nucleon; calculated single-neutron removal σ. Semi-classical, fully quantum mechanically derived photon spectrum approaches.

doi: 10.1103/PhysRevC.54.1404
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1996HO19      Phys.Rev.Lett. 77, 2408 (1996)

D.Horn, G.C.Ball, D.R.Bowman, W.G.Davies, D.Fox, A.Galindo-Uribarri, A.C.Hayes, G.Savard, L.Beaulieu, Y.Larochelle, C.St-Pierre

Pionic Fusion of Heavy Ions

NUCLEAR REACTIONS 12C(12C, X), E(cm)=137 MeV; measured pionic fusion associated σ.

doi: 10.1103/PhysRevLett.77.2408
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1995HA31      Phys.Rev. C52, 2807 (1995)

A.C.Hayes, S.M.Sterbenz

Comment on ' Three-Body Resonances in 6He, 6Li, and 6Be, and the Soft Dipole Mode Problem of Neutron Halo Nuclei '

NUCLEAR REACTIONS 11B(π-, π+), E=164 MeV; analyzed data interpretation; deduced proposed reaction mechanism validity for 11Li resonance decay related features. Data on 12C discussed.

doi: 10.1103/PhysRevC.52.2807
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1994TO06      Phys.Rev. C49, 2391 (1994)

I.S.Towner, A.C.Hayes

P, T-Violating Nuclear Matrix Elements in the One-Meson Exchange Approximation

doi: 10.1103/PhysRevC.49.2391
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1993HA06      Phys.Lett. 302B, 157 (1993)

A.C.Hayes, I.S.Towner

Shell Dependence of the Coupling Constants for the Effective One-Body Parity Nonconserving Weak Interaction

NUCLEAR STRUCTURE 16O, 40Ca, 90Zr, 208Pb, 232Th; calculated effective one-body parity nonconserving weak interaction coupling constants vs mass. Meson exchange model, shell model.

doi: 10.1016/0370-2693(93)90376-S
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1992BO01      Phys.Rev.Lett. 68, 780 (1992)

J.D.Bowman, G.T.Garvey, C.R.Gould, A.C.Hayes, M.B.Johnson

Parity Violation in the Compound Nucleus: The Role of Distant States

NUCLEAR STRUCTURE 232Th; calculated parity violating asymmetry; deduced distant states role.

doi: 10.1103/PhysRevLett.68.780
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1992MI01      Phys.Rev. C45, 473 (1992)

D.J.Millener, A.C.Hayes, D.Strottman

Comment on ' p-Shell Nuclei in a (0+2)(h-bar x Omega) Model Space. I. Method ' and on ' p-Shell nuclei in a (0+2)(h-bar x Omega) Model Space. II. Results '

NUCLEAR STRUCTURE 16O; analyzed other model calculation results; deduced effective interaction inconsistencies.

doi: 10.1103/PhysRevC.45.473
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1991GI06      Phys.Rev.Lett. 67, 1395 (1991)

W.R.Gibbs, A.C.Hayes

Determination of the Radius of the 11Li Neutron Halo from Pion Double Charge Exchange

NUCLEAR REACTIONS 11B(π-, π+), E not given; analyzed data. 11Li deduced neutron halo radius.

doi: 10.1103/PhysRevLett.67.1395
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1991HA03      Phys.Lett. 254B, 15 (1991)


The Relation between Di-Neutron Cluster Model and Shell Model Configurations in 11Li

NUCLEAR STRUCTURE 11Li; calculated di-neutron cluster content, B(E1) vs cluster mixing θ. Shell model.

doi: 10.1016/0370-2693(91)90387-6
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1990HA10      Phys.Rev. C41, 1727 (1990)

A.C.Hayes, J.L.Friar, D.Strottman

Two-Photon Decay of the First Excited 0+ State in 16O

NUCLEAR STRUCTURE 16O; calculated 2γ decay rate, matrix elements, GDR resonances, B(λ). Shell model, large SU(3) basis.

doi: 10.1103/PhysRevC.41.1727
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1990HA33      Phys.Rev. C42, 2248 (1990)

A.C.Hayes, D.Strottman

Soft Giant Dipole Mode of 11Li

NUCLEAR STRUCTURE 11Li; calculated B(E1), transition strength distribution, Coulomb excitation σ.

doi: 10.1103/PhysRevC.42.2248
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1989HA03      Phys.Rev. C39, 699 (1989)


Use of Inelastic Pion Scattering to Study Isospin Mixing in Nuclei

NUCLEAR REACTIONS 4He(π+, π+'), (π-, π-'), E=180 MeV; calculated σ(π+)/σ(π-).

doi: 10.1103/PhysRevC.39.699
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1988HA14      Phys.Rev. C37, 1554 (1988)

A.C.Hayes, S.Chakravarti, D.Dehnhard, P.J.Ellis, D.B.Holtkamp, L.-P.Lung, S.J.Seestrom-Morris, H.Baer, C.L.Morris, S.J.Greene, C.J.Harvey

Structure of the Low-Lying 2+ States in 14C from Inelastic Pion Scattering

NUCLEAR STRUCTURE 14C, 14N, 14O; calculated levels, B(λ). Shell model.

NUCLEAR REACTIONS 14C(π, π'), E=164 MeV; analyzed σ(θ). 14C level deduced isovector component quenching.

doi: 10.1103/PhysRevC.37.1554
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1987CH14      Phys.Rev. C35, 2197 (1987)

S.Chakravarti, D.Dehnhard, M.A.Franey, S.J.Seestrom-Morris, D.B.Holtkamp, C.L.Blilie, A.C.Hayes, C.L.Morris, D.J.Millener

Distorted-Wave Impulse Approximation and Coupled-Channels Analysis of Inelastic Pion Scattering from 18O

NUCLEAR REACTIONS 18O(π+, π+), (π+, π+'), (π-, π-), (π-, π-'), E=164 MeV; calculated σ(θ). 18O levels deduced transition densities. DWIA, coupled-channels calculations.

doi: 10.1103/PhysRevC.35.2197
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1983GA02      Phys.Rev.Lett. 50, 239 (1983)

M.Gai, M.Ruscev, A.C.Hayes, J.F.Ennis, R.Keddy, E.C.Schloemer, S.M.Sterbenz, D.A.Bromley

Coexistence of Single-Particle, Collective-Quadrupole, and α + 14C Molecular-Dipole Degrees of Freedom in 18O

NUCLEAR REACTIONS 14C(7Li, t), E=15 MeV; 14C(α, γ), E=resonance; measured tγ-coin, resonance capture γ-spectra. 18O deduced γ-transition multipolarity, β(λ), single particle, collective quadrupole, molecular dipole degrees of freedom coexistence.

doi: 10.1103/PhysRevLett.50.239
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1981GA33      Phys.Rev.Lett. 47, 1878 (1981)

M.Gai, E.C.Schloemer, J.E.Freedman, A.C.Hayes, S.K.Korotky, J.M.Manoyan, B.Shivakumar, S.M.Sterbenz, H.Voit, S.J.Willett, D.A.Bromley

Resonances in 16O + 16O

NUCLEAR REACTIONS 16O(16O, 16O), 16O(16O, α), E(cm)=15.5-17 MeV; measured σ(θ) vs E; deduced resonant, background S-matrix elements. 32S deduced resonances, J, π.

doi: 10.1103/PhysRevLett.47.1878
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