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NSR database version of April 24, 2024.

Search: Author = A.Mitchell

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2024LO03      Nucl.Instrum.Methods Phys.Res. A1062, 169228 (2024)

S.Lopez-Caceres, S.T.Marley, M.P.Carpenter, G.Savard, F.G.Kondev, P.Copp, W.Reviol, C.Muller-Gatermann, D.Seweryniak, J.A.Clark, D.Santiago-Gonzalez, G.E.Morgan, A.J.Mitchell, G.L.Wilson, M.L.Smith

The LSU-Argonne conversion electron spectrometer: A new detector for the X-Array and SATURN decay station

RADIOACTIVITY 150Ce, 150Pr(β-); measured decay products, Eβ, Iβ, X-rays; deduced T1/2 via conversion electrons emission. Comparison with available data. The LSU-Argonne Conversion Electron Spectrometer (LACES), the ATLAS/CARIBU facility at Argonne National Laboratory.

doi: 10.1016/j.nima.2024.169228
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2023GR07      Phys.Lett. B 847, 138268 (2023)

T.J.Gray, A.E.Stuchbery, J.Dobaczewski, A.Blazhev, H.A.Alshammari, L.J.Bignell, J.Bonnard, B.J.Coombes, J.T.H.Dowie, M.S.M.Gerathy, T.Kibedi, G.J.Lane, B.P.McCormick, A.J.Mitchell, C.Nicholls, J.G.Pope, P.-G.Reinhard, N.J.Spinks, Y.Zhong

Shape polarization in the tin isotopes near N = 60 from precision g-factor measurements on short-lived 11/2- isomers

RADIOACTIVITY 109,111Sn(IT) [from 96,98Mo(16O, 3n), E=58 MeV]; measured decay products, frequencies, Eγ, Iγ. 113Sn; deduced γ-ray energies, partial level schemes, isomeric R(t) function, g-factors, hyperfine field strength. Comparison with broken-symmetry density functional theory calculations and available data. The Time Differential Perturbed Angular Distribution (TDPAD) technique. The Heavy Ion Accelerator Facility at the Australian National University.

doi: 10.1016/j.physletb.2023.138268
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2023PA08      Phys.Rev.Lett. 130, 122503 (2023)

T.Palazzo, A.J.Mitchell, G.J.Lane, A.E.Stuchbery, B.A.Brown, M.W.Reed, A.Akber, B.J.Coombes, J.T.H.Dowie, T.K.Eriksen, M.S.M.Gerathy, T.Kibedi, T.Tornyi, M.O.de Vries

Direct Measurement of Hexacontatetrapole, E6 γ Decay from 53mFe

RADIOACTIVITY 53Fe(IT) [from 51V(6Li, 4n), E=50 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, transition multipolarities, B(Eλ), a discrete, hexacontatetrapole (E6) transition. Comparison with shell model calculations performed in the full fp model space. The CAESAR array of Compton-suppressed High-Purity Germanium (HPGe) detector, the Heavy Ion Accelerator Facility at the Australian National University.

doi: 10.1103/PhysRevLett.130.122503
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2022ID01      Phys.Rev.Lett. 128, 252501 (2022)

E.Ideguchi, T.Kibedi, J.T.H.Dowie, T.H.Hoang, M.Kumar Raju, N.Aoi, A.J.Mitchell, A.E.Stuchbery, N.Shimizu, Y.Utsuno, A.Akber, L.J.Bignell, B.J.Coombes, T.K.Eriksen, T.J.Gray, G.J.Lane, B.P.McCormick

Electric Monopole Transition from the Superdeformed Band in 40Ca

NUCLEAR REACTIONS 40Ca(p, p'), E<10 MeV; measured reaction products, Eγ, Iγ, X-rays; deduced γ-ray energies, energy levels, partial level scheme, electric monopole (E0) transition strengths, transition rates for 0+ states. Comparison with Large-scale shell-model (LSSM) calculations and systematics. The 14UD Pelletron tandem accelerator of the Heavy Ion Accelerator Facility at the Australian National University.

doi: 10.1103/PhysRevLett.128.252501
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2022KA36      Phys.Rev.Lett. 129, 152501 (2022)

B.P.Kay, T.L.Tang, I.A.Tolstukhin, G.B.Roderick, A.J.Mitchell, Y.Ayyad, S.A.Bennett, J.Chen, K.A.Chipps, H.L.Crawford, S.J.Freeman, K.Garrett, M.D.Gott, M.R.Hall, C.R.Hoffman, H.Jayatissa, A.O.Macchiavelli, P.T.MacGregor, D.K.Sharp, G.L.Wilson

Quenching of Single-Particle Strength in A = 15 Nuclei

NUCLEAR REACTIONS 2H(14C, p), (14N, p), E=10 MeV/nucleon; measured reaction products, Ep, Ip. 15C, 15N; deduced σ(θ), Q-value, the difference between the neutron and proton separation energies, degree of quenching. Comparison with the independent single-particle and shell model calculations. The HELIOS spectrometer at the ATLAS facility at Argonne National Laboratory.

doi: 10.1103/PhysRevLett.129.152501
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2021GE07      Phys.Lett. B 823, 136738 (2021)

M.S.M.Gerathy, A.J.Mitchell, G.J.Lane, A.E.Stuchbery, A.Akber, H.A.Alshammari, L.J.Bignell, B.J.Coombes, J.T.H.Dowie, T.J.Gray, T.Kibedi, B.P.McCormick, L.J.Mckie, M.S.Rahman, N.J.Spinks, B.P.E.Tee, Y.Y.Zhong, K.Zhu

Emerging collectivity in neutron-hole transitions near doubly magic 208Pb

NUCLEAR REACTIONS 209Bi(6Li, 2nα), (6Li, 4n), E=48 MeV; 204Pb(13C, 4n), E=80 MeV; measured reaction products, Eγ, Iγ. 209Po, 211Rn, 213Ra; deduced γ-ray energies and intensities, T1/2, B(E2), emerging collectivity beyond the shell-model valence space. Comparison with calculations. Direct fast-timing methods.

doi: 10.1016/j.physletb.2021.136738
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2021MI07      Phys.Rev. C 103, 024323 (2021)

A.J.Mitchell, R.Orford, G.J.Lane, C.J.Lister, P.Copp, J.A.Clark, G.Savard, J.M.Allmond, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, P.Chowdhury, D.A.Gorelov, R.V.F.Janssens, F.G.Kondev, U.Patel, D.Seweryniak, M.L.Smith, Y.Y.Zhong, S.Zhu

Ground-state and decay properties of neutron-rich 106Nb

RADIOACTIVITY 106Nb(β-)[from 252Cf(SF), CARIBU radioactive-ion-beam facility at ANL, followed by mass separation and measurement using Multi-Reflection Time-of-Flight (MR-TOF) mass separator and Canadian Penning Trap (CPT)]; measured CPT spectra, Eγ, Iγ, βγγ-coin, half-life of 106Nb decay using five HPGe clover detectors, and a plastic scintillator at the X-Array and SATURN decay-spectroscopy station. 106Mo; deduced levels, J, π, apparent β feedings, range of logft values, configurations. 106Nb; discussed spin, parity and configurations of the ground state. Comparison with earlier experimental results.

ATOMIC MASSES 106Nb; measured cyclotron frequency using the Phase-Imaging Ion-Cyclotron-Resonance (PI-ICR) technique, CPT spectra; deduced mass excess. Comparison with previous measurement, and with AME 2016 evaluation.

doi: 10.1103/PhysRevC.103.024323
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2021PR11      Phys.Rev. C 104, 044318 (2021)

V.S.Prasher, A.J.Mitchell, C.J.Lister, P.Chowdhury, L.Afanasieva, M.Albers, C.J.Chiara, M.P.Carpenter, D.Cline, N.D'Olympia, C.J.Guess, A.B.Hayes, C.R.Hoffman, R.V.F.Janssens, B.P.Kay, T.L.Khoo, A.Korichi, T.Lauritsen, E.Merchan, Y.Qiu, D.Seweryniak, R.Shearman, S.K.Tandel, A.Verras, C.Y.Wu, S.Zhu

Shapes, softness, and nonyrast collectivity in 186W

NUCLEAR REACTIONS 186W(136Xe, 136Xe')186W, E=725, 800 MeV from ATLAS-ANL facility; measured scattered beam- and target-like ions using Rochester-Livermore 4π CHICO2 array, Eγ, Iγ, γγ- and (particle)γ-coin, gγ(θ)(DCO) using Gammasphere array. 186W; deduced high-spin levels, J, π, Kπ, multipolarities, rotational bands, odd-even staggering parameters S(J) for bands and compared with predictions for an axially symmetric rotor, a rigid asymmetric rotor and a γ-unstable nucleus, B(E1) ratios. Systematics of E(first 2+), E(first 4+)/E(first 2+), E(second 2+)/E(first 2+), E(second 0+)/E(first 2+) for A=178-188 even-A W isotopes, and staggering parameters for 178,180,182,184,186,188W, 178,180Hf, 188Os.

doi: 10.1103/PhysRevC.104.044318
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2020CA11      Phys.Rev. C 101, 054314 (2020)

R.J.Carroll, P.M.Walker, G.J.Lane, M.W.Reed, A.Akber, H.M.Albers, J.J.Carroll, D.M.Cullen, A.C.Dai, C.Fahlander, M.S.M.Gerathy, S.S.Hota, G.Lotay, T.Kibedi, V.Margerin, A.J.Mitchell, N.Palalani, T.Palazzo, Z.Patel, R.Shearman, A.E.Stuchbery, F.R.Xu

γ-ray spectroscopy of a four-quasiparticle isomer band in 174Re

NUCLEAR REACTIONS 160Dy(19F, 5n), E=107 MeV pulsed beam from the 14-UD Pelletron at the Australian National University]; measured prompt and delayed Eγ, Iγ, γγ-coin, half-lives of isomers by γ(t) and γγ(t) using the CAESAR HPGe detector array. 174Re; deduced levels, J, π, bands, γ-branching ratios, four-quasiparticle Kπ=(14-) isomer, Nilsson configurations, gK, Weisskopf hindrances and reduced hindrances for transitions from the (14-) isomer and the (8-) bandhead; calculated potential energy surfaces. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.101.054314
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2020DO10      Phys.Lett. B 811, 135855 (2020)

J.T.H.Dowie, T.Kibedi, D.G.Jenkins, A.E.Stuchbery, A.Akber, H.A.Alshammari, N.Aoi, A.Avaa, L.J.Bignell, M.V.Chisapi, B.J.Coombes, T.K.Eriksen, M.S.M.Gerathy, T.J.Gray, T.H.Hoang, E.Ideguchi, P.Jones, M.Kumar Raju, G.J.Lane, B.P.McCormick, L.J.McKie, A.J.Mitchell, N.J.Spinks, B.P.E.Tee

Evidence for shape coexistence and superdeformation in 24Mg

NUCLEAR REACTIONS 24Mg(p, p'), E=8 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced level energies, J, π, level lifetimes, E0 strength. Comparison with shell model calculations using NuShellX and the USDA interaction in the sd model space.

doi: 10.1016/j.physletb.2020.135855
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2020ER03      Phys.Rev. C 102, 024320 (2020)

T.K.Eriksen, T.Kibedi, M.W.Reed, A.E.Stuchbery, K.J.Cook, A.Akber, B.Alshahrani, A.A.Avaa, K.Banerjee, A.C.Berriman, L.T.Bezzina, L.Bignell, J.Buete, I.P.Carter, B.J.Coombes, J.T.H.Dowie, M.Dasgupta, L.J.Evitts, A.B.Garnsworthy, M.S.M.Gerathy, T.J.Gray, D.J.Hinde, T.H.Hoang, S.S.Hota, E.Ideguchi, P.Jones, G.J.Lane, B.P.McCormick, A.J.Mitchell, N.Palalani, T.Palazzo, M.Ripper, E.C.Simpson, J.Smallcombe, B.M.A.Swinton-Bland, T.Tanaka, T.G.Tornyi, M.O.de Vries

Improved precision on the experimental E0 decay branching ratio of the Hoyle state

NUCLEAR REACTIONS 12C(p, p'), E=10.5 MeV; measured electron-positron pairs for E0 transition from the first excited 0+ Hoyle state, and for E2 transition from the first 2+ state, Eγ, (ce)(ce)- and (ce)γ-coin, γ(θ), E(p), I(p) using the superconducting solenoid Super-e pair spectrometer and Si(Li) detector array for electrons and positrons, HPGe detector for γ radiation, and ANU BALiN double sided silicon strip detector array for scattered protons at the 14 UD pelletron tandem accelerator of Australian National University; deduced E0 branching ratio ΓE0π/Γ, reduction in radiative width. Comparison with previous experimental measurements; calculated 3α reaction rate within the temperature range of helium burning red giant stars using the NACRE library value. Possible impact on astrophysical calculations.

doi: 10.1103/PhysRevC.102.024320
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2020GE08      Phys.Rev. C 102, 044319 (2020)

M.S.M.Gerathy, G.J.Lane, A.E.Stuchbery, G.D.Dracoulis, T.Kibedi, A.Akber, L.J.Bignell, B.J.Coombes, J.T.H.Dowie, T.J.Gray, B.Q.Lee, B.P.McCormick, A.J.Mitchell, N.Palalani

γ-ray and conversion-electron spectroscopy of the high-spin isomer in 145Sm

RADIOACTIVITY 145Sm(IT)[from 124Sn(26Mg, 5n), E=110, 115 MeV, followed by separation of evaporation residues by the SOLITAIRE separator and implantation in a catcher tape at the focal point of the Solenogam array]; measured Eγ, Iγ, E(ce), I(ce), γγ- and γ(ce)-coin, half-lives of isomers by γ(t) and γγ(t) at the at the Australian National University Heavy-Ion Accelerator Facility. 145Sm; deduced high-spin levels, J, π, conversion coefficients, multipolarities, B(E1), B(M1), B(E2), B(M2), B(E3), configurations. Comparisons with shell-model calculations using the KSHELL code. Systematics of energies of the high-spin isomers in N=83, odd-A isotones of 143Nd, 145Sm, 147Gd, 149Dy and 151Er.

NUCLEAR STRUCTURE 145Sm; calculated high-spin levels, J, π, amplitudes of major configurations using shell model and KSHELL code. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.044319
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2020GR05      Phys.Rev. C 101, 054302 (2020)

T.J.Gray, A.E.Stuchbery, B.J.Coombes, J.T.H.Dowie, M.S.M.Gerathy, T.Kibedi, G.J.Lane, B.P.McCormick, A.J.Mitchell, M.W.Reed

Hyperfine fields at 66Ga, 67, 69Ge implanted into iron and gadolinium hosts at 6 K, and applications to g-factor measurements

NUCLEAR REACTIONS 56Fe(12C, pn)66Ga, E=28 MeV; 54,56Fe(16O, 2pn)67Ge/69Ge, E=60 MeV; measured Eγ, and Iγ of recoil 66Ga, 67,69Ge nuclei implanted in Fe and Gd foils using HPGe and LaBr3 detectors for γ detection at the Heavy Ion Accelerator Facility of the Australian National University.

NUCLEAR MOMENTS 66mGa, 67,69Ge; measured hyperfine magnetic fields, and g-factors using time differential perturbed angular distribution (TDPAD) method; deduced configuration for 66mGa. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.101.054302
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2019CO08      Phys.Rev. C 100, 024322 (2019)

B.J.Coombes, A.E.Stuchbery, A.Blazhev, H.Grawe, M.W.Reed, A.Akber, J.T.H.Dowie, M.S.M.Gerathy, T.J.Gray, T.Kibedi, A.J.Mitchell, T.Palazzo

Spectroscopy and excited-state g factors in weakly collective 111Cd: Confronting collective and microscopic models

NUCLEAR REACTIONS 111Cd(32S, 32S'), E=90 MeV from ANU 14UD Pelletron accelerator; measured scattered particles, Eγ, Iγ, (particle)γ(θ), level half-lives by Doppler-broadened line shape method, g factors of levels by strong transient-field method using silicon photodiode detectors for particles, four HPGe detectors for γ rays, and ANL Hyperfine Spectrometer. 111Cd; deduced levels populated in 111Cd through Coulomb excitation, J, π, B(E2), B(M1). 113,114Cd; measured level half-lives from Doppler-broadened line shapes of 681-keV transition in 113Cd and 725-keV transition in 114Cd. Comparison with previous experimental results, and with shell-model calculations using the M-scheme code KSHELL and the SR88MHJM Hamiltonian.

doi: 10.1103/PhysRevC.100.024322
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2019EV01      Phys.Rev. C 99, 024306 (2019)

L.J.Evitts, A.B.Garnsworthy, T.Kibedi, J.Smallcombe, M.W.Reed, A.E.Stuchbery, G.J.Lane, T.K.Eriksen, A.Akber, B.Alshahrani, M.de Vries, M.S.M.Gerathy, J.D.Holt, B.Q.Lee, B.P.McCormick, A.J.Mitchell, M.Moukaddam, S.Mukhopadhyay, N.Palalani, T.Palazzo, E.E.Peters, A.P.D.Ramirez, T.Tornyi, S.W.Yates

E0 transition strength in stable Ni isotopes

NUCLEAR REACTIONS 58,60,62Ni(p, p'), E=4.7-9.2 MeV; measured Eγ, Iγ, γ(θ), conversion electrons using the CAESAR array for γ detection and Super-e spectrometer for electron detection at ANU-Canberra. 58,60,62Ni(n, n'), E=2.42, 2.90 MeV; measured Eγ, Iγ, level half-lives by DSAM at the University of Kentucky Accelerator Laboratory. 58,60,62Ni; deduced levels, J, π, K-conversion coefficients, E2/M1 multipole mixing ratios and E0 admixtures in 2+ to 2+ transitions, 0+ to 0+ E0 transitions, electric monopole (E0) transition strengths, B(M1), B(E2). Comparison with evaluated data in Nuclear Data Sheets. Systematics of 2+ to 2+ and 0+ to 0+ monopole transition strengths ρ2(E0) in even-even nuclei with A<250.

doi: 10.1103/PhysRevC.99.024306
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2019MC05      Phys.Rev. C 100, 044317 (2019)

B.P.McCormick, A.E.Stuchbery, B.A.Brown, G.Georgiev, B.J.Coombes, T.J.Gray, M.S.M.Gerathy, G.J.Lane, T.Kibedi, A.J.Mitchell, M.W.Reed, A.Akber, L.J.Bignell, J.T.H.Dowie, T.K.Eriksen, S.Hota, N.Palalani, T.Tornyi

First-excited state g factors in the stable, even Ge and Se isotopes

NUCLEAR MOMENTS 70,72,74,76Ge, 74,76,78,80,82Se; measured Eγ, scattered carbon particles, (particle)γ-coin, angular correlations, transient-field precession angles, relative g factors of the first 2+ states using transient field (TF) method in inverse kinematics with the Rutgers parameterization, and ion beams of Ge and Se isotopes from the Australian National University 14UD Pelletron accelerator incident on a multilayer target of C layer, an iron or gadolinium foil, and a copper backing; deduced g factors for the Se and Ge isotopes from a global fit to the present data, together with previous g-factor ratios. Comparison with shell-model calculations using JUN45 and jj44b interactions.

doi: 10.1103/PhysRevC.100.044317
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2018EV01      Phys.Lett. B 779, 396 (2018)

L.J.Evitts, A.B.Garnsworthy, T.Kibedi, J.Smallcombe, M.W.Reed, B.A.Brown, A.E.Stuchbery, G.J.Lane, T.K.Eriksen, A.Akber, B.Alshahrani, M.de Vries, M.S.M.Gerathy, J.D.Holt, B.Q.Lee, B.P.McCormick, A.J.Mitchell, M.Moukaddam, S.Mukhopadhyay, N.Palalani, T.Palazzo, E.E.Peters, A.P.D.Ramirez, S.R.Stroberg, T.Tornyi, S.W.Yates

Identification of significant E0 strength in the 2+2 → 2+1 transitions of 58, 60, 62Ni

NUCLEAR REACTIONS 58,60,62Ni(p, p'), E<9.2 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, nuclear and quadrupole moments, B(E2), B(M1). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2018.01.076
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2018PA04      Phys.Rev. C 97, 014323 (2018)

T.Palazzo, G.J.Lane, A.E.Stuchbery, A.J.Mitchell, A.Akber, M.S.M.Gerathy, S.S.Hota, T.Kibedi, B.Q.Lee, N.Palalani, M.W.Reed

High-spin spectroscopy and shell-model interpretation of the N < 126 radium isotopes 212Ra and 213Ra

NUCLEAR REACTIONS 204Pb(12C, 4n), E=81 MeV; 204Pb(13C, 4n), E=80 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using CAESAR array of nine Compton-suppressed HPGe detectors, and two LEPS Ge detectors for low-energy γ radiation. Pulsed beams from 14UD tandem accelerator of the Heavy Ion Accelerator Facility of the Australian National University. 212,213Ra; deduced high-spin levels, J, π, half-life of a new isomer, total conversion coefficients of low-energy γ rays, multipolarities, configurations, B(M1), B(E2), B(E1), B(M2), B(E3). Comparison with semiempirical shell-model calculations.

doi: 10.1103/PhysRevC.97.014323
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2018SI28      Phys.Rev. C 98, 054307 (2018)

K.Siegl, K.Kolos, N.D.Scielzo, A.Aprahamian, G.Savard, M.T.Burkey, M.P.Carpenter, P.Chowdhury, J.A.Clark, P.Copp, G.J.Lane, C.J.Lister, S.T.Marley, E.A.McCutchan, A.J.Mitchell, J.Rohrer, M.L.Smith, S.Zhu

Β-decay half-lives of 134, 134mSb and their isomeric yield ratio produced by the spontaneous fission of 252Cf

RADIOACTIVITY 134m,134Sb(β-)[from 252Cf(SF), mass separated high-intensity beams]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, half-lives of decays of 134Sb and 134mSb, and isomeric yield ratios from 252Cf(SF) using the Scintillator And Tape Using Radioactive Nuclei (SATURN) system for β- detection, and X-Array for γ detection at the CARIBU facility of ANL. Systematics of isomeric yield ratios of 128,130,134Sb, 131,133Te, 132,134,136I, 135Xe, 138Cs from 252Cf(SF). Comparison with previous experimental values.

doi: 10.1103/PhysRevC.98.054307
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2017FR08      Phys.Rev. C 96, 054325 (2017)

S.J.Freeman, D.K.Sharp, S.A.McAllister, B.P.Kay, C.M.Deibel, T.Faestermann, R.Hertenberger, A.J.Mitchell, J.P.Schiffer, S.V.Szwec, J.S.Thomas, H.-F.Wirth

Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double-β decay in 100Mo

NUCLEAR REACTIONS 98,100Mo, 100,102Ru(d, p), (p, d), (3He, α), (3He, d), E(d)=15 MeV, E(p)=24 MeV, E(3He)=36 MeV; measured light-ion particle spectra, cross sections, angular distributions using Q3D magnetic spectrometer at Munich MP tandem accelerator facility. Enriched targets. 97,99,101Mo, 99,101,103Ru, 99,101Tc, 101,103Rh; deduced levels, L-transfers, J, π, spectroscopic factors, cross section ratios. DWBA analysis of σ(θ) data. 98,100Mo, 100,102Ru; deduced neutron occupancies from neutron-removing reactions, and proton vacancies from (3He, d) reaction. 100Mo, 100Ru; deduced neutron occupancy and proton vacancy for the valence orbits, and compared to predictions from interacting boson model (IBM), and two different Woods-Saxon calculations. See Supplemental Material (reference 46 in the paper) for details of experimental cross section data and spectroscopic factors for individual states in final nuclei.

RADIOACTIVITY 100Mo(2β-); deduced detailed quantitative assessment of rearrangements of protons and neutrons amongst the valence single-particle orbitals during double-β decay process, with relevance to nuclear matrix element for 0νββ and 2νββ decay modes.

doi: 10.1103/PhysRevC.96.054325
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2017GR19      Phys.Rev. C 96, 054332 (2017)

T.J.Gray, A.E.Stuchbery, M.W.Reed, A.Akber, B.J.Coombes, J.T.H.Dowie, T.K.Eriksen, M.S.M.Gerathy, T.Kibedi, G.J.Lane, A.J.Mitchell, T.Palazzo, T.Tornyi

Perturbed angular distributions with LaBr3 detectors: The g factor of the first 10+ state in 110Cd reexamined

NUCLEAR REACTIONS 98Mo(12C, 3n)107Cd, E=48 MeV; measured Eγ, Iγ, γ(θ), half-life of 11/2- isomer in 107Cd, recoil-implanted into a gadolinium host, static hyperfine field strength of Cd recoil implanted into gadolinium using time differential perturbed angular distribution at the ANU 14UD Pelletron accelerator facility.

NUCLEAR MOMENTS 107Cd; measured static hyperfine field strength of Cd recoil implanted into gadolinium using time differential perturbed angular distribution. 110Cd; analyzed and re-evaluated g factor of the yrast 10+ state using newly-determined hyperfine field strength; deduced seniority-two νh11/2 configuration.

doi: 10.1103/PhysRevC.96.054332
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2017TA21      Phys.Rev. C 96, 024310 (2017)

R.Talwar, B.P.Kay, A.J.Mitchell, S.Adachi, J.P.Entwisle, Y.Fujita, G.Gey, S.Noji, H.J.Ong, J.P.Schiffer, A.Tamii

High-j neutron excitations outside 136Xe

NUCLEAR REACTIONS 136Xe(α, 3He), E=100 MeV; measured 3He spectra and σ(θ) using Grand-Raiden (GR) magnetic spectrometer, vertical drift chambers and scintillators at RCNP-Osaka accelerator facility. Enriched 136Xe target. 137Xe; deduced levels, L-transfers, J, π, spectroscopic factors, configuration. DWBA calculations using different parametrizations of optical-model potentials. Discussed details and systematics of high-j, 9/2- and 13/2+ single-neutron excitations in N=83 isotones 135Te, 137Xe, 139Ba, 141Ce, 143Nd, 145Sm, 147Gd, 149Dy, 151Er and 153Yb, and comparison with two-level mixing model calculations.

NUCLEAR REACTIONS 144Sm(α, 3He)145Sm, E=100 MeV; measured reaction products; deduced absolute σ, σ(θ), outgoing 3He spectra, excitation energies, mixing matrix elements parameters, normalized spectroscopic factors.

doi: 10.1103/PhysRevC.96.024310
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2016FR01      Phys.Rev. C 93, 014321 (2016)

A.Fritsch, S.Beceiro Novo, D.Suzuki, W.Mittig, J.J.Kolata, T.Ahn, D.Bazin, F.D.Becchetti, B.Bucher, Z.Chajecki, X.Fang, M.Febbraro, A.M.Howard, Y.Kanada-En'yo, W.G.Lynch, A.J.Mitchell, M.Ojaruega, A.M.Rogers, A.Shore, T.Suhara, X.D.Tang, R.Torres-Isea, H.Wang

One-dimensionality in atomic nuclei: A candidate for linear-chain α clustering in 14C

NUCLEAR REACTIONS 4He(10Be, α), E=39.7 MeV, [secondary 10Be beam from 13C(11B, 10B), E=46 MeV primary reaction]; measured particle spectra, differential cross sections for elastic and inelastic scattering, angular distributions using the prototype active target-time projection chamber (PAT-TPC) at Notre Dame TwinSol facility. 14C; deduced levels, α-resonances, J, π, band, α-widths, L-transfers, spectroscopic factors. R-matrix analysis. Comparison with predictions of antisymmetrized molecular dynamics (AMD) theory, and evidence for a 3α-linear chain structure in 14C.

doi: 10.1103/PhysRevC.93.014321
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2016GU09      Phys.Rev. C 93, 064607 (2016)

V.Guimaraes, J.J.Kolata, E.F.Aguilera, A.Howard, A.Roberts, F.D.Becchetti, R.O.Torres-Isea, A.Riggins, M.Febrarro, V.Scarduelli, P.N.de Faria, D.S.Monteiro, J.F.P.Huiza, A.Arazi, J.Hinnefeld, A.M.Moro, E.S.Rossi, V.Morcelle, A.Barioni, AlanJ.Mitchell

Backscattering measurement of 6He on 209Bi: Critical interaction distance

NUCLEAR REACTIONS 209Bi(6He, 6He), E=12, 14, 16 MeV, [secondary 6He beam from 2H(7Li, 6He), E=32 MeV]; measured 6He spectra using silicon ΔE-E telescope, σ(θ, E) at the TwinSol facility of Notre Dame Nuclear Structure Laboratory; deduced ratio of elastic to Rutherford cross sections. Comparison with a three-body CDCC calculation, and with experimental data for 209Bi(α, α), (6Li, 6Li), (9Be, 9Be), (12C, 12C), (16O, 16O), and 208Pb(6He, 6He) reactions.

doi: 10.1103/PhysRevC.93.064607
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2016MI02      Phys.Rev. C 93, 014306 (2016)

A.J.Mitchell, C.J.Lister, E.A.McCutchan, M.Albers, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, J.A.Clark, P.Copp, H.M.David, A.Y.Deo, B.DiGiovine, N.D'Olympia, R.Dungan, R.D.Harding, J.Harker, S.S.Hota, R.V.F.Janssens, F.G.Kondev, S.H.Liu, A.V.Ramayya, J.Rissanen, G.Savard, D.Seweryniak, R.Shearman, A.A.Sonzogni, S.L.Tabor, W.B.Walters, E.Wang, S.Zhu

ψ-soft 146Ba and the role of nonaxial shapes at N ≈ 90

RADIOACTIVITY 146Cs(β-)[from 252Cf SF and mass separation at CARIBU-ANL facility]; measured Eγ, Iγ, βγ-, βγγ-coin using SATURN detection system at ANL. 146Ba; deduced levels, J, π, limits of β- branching ratios. Level systematics in even-A N=90 isotones with Z=56-68, and those of g.s., β- and γ-bands in 146Ba, 148Ce, 150Nd. Investigation of nuclear shape transitions. Comparison with interacting boson approximation (IBA) model predictions.

doi: 10.1103/PhysRevC.93.014306
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2013KA04      Phys.Rev. C 87, 011302 (2013)

B.P.Kay, T.Bloxham, S.A.McAllister, J.A.Clark, C.M.Deibel, S.J.Freedman, S.J.Freeman, K.Han, A.M.Howard, A.J.Mitchell, P.D.Parker, J.P.Schiffer, D.K.Sharp, J.S.Thomas

Valence neutron properties relevant to the neutrinoless double-β decay of 130Te

NUCLEAR REACTIONS 128,130Te(p, d), E=23 MeV; 128,130Te, 130,132Xe(d, p), E=15 MeV; 128,130Te, 130,132Xe(α, 3He), E=50 MeV; 130Te(3He, α), E=40 MeV; 132Xe(p, t), E=23 MeV; measured deuteron, proton, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale Tandem accelerator facility. 127,129,131Te, 130,131,133Xe; deduced levels, J, π, L-transfers. 128,130Te, 130,132Xe; deduced neutron vacancies for active orbitals. Comparison with calculations within both the quasiparticle random-phase approximation and shell-model frameworks. Discussed relevance to neutrinoless double β decay of 130Te.

doi: 10.1103/PhysRevC.87.011302
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2013RO10      Phys.Rev. C 87, 051305 (2013)

A.Roberts, A.M.Howard, J.J.Kolata, A.N.Villano, F.D.Becchetti, P.A.DeYoung, M.Febbraro, S.J.Freeman, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, J.S.Thomas, R.O.Torres-Isea

Proton pair correlations and the neutrinoless double-β decay of 76Ge

NUCLEAR REACTIONS 74,76Ge(3He, n), E=16 MeV; measured E(n), I(n), time-of-flight, σ(θ) for g.s. and first 2+ state using the Neutron Wall at Notre Dame. 76,78Se; deduced levels, proton pair correlations. DWBA analysis. Comparison with quasiparticle random phase approximation (QRPA) model calculations. Relevance to matrix elements for 0νββ decay of 76Ge. Systematics of ground-state cross sections on fpg-shell nuclei of A=60-90, and comparison with theoretical models. No evidence for the breaking of the BCS approximation for paired protons.

doi: 10.1103/PhysRevC.87.051305
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2013SC06      Phys.Rev. C 87, 034306 (2013)

J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, M.Honma, A.M.Howard, A.J.Mitchell, T.Otsuka, P.D.Parker, D.K.Sharp, J.S.Thomas

Valence nucleon populations in the Ni isotopes

NUCLEAR REACTIONS 58,60,62,64Ni(d, p), E=10 MeV; 58,60,62,64Ni(α, 3He), (α, t), E=38 MeV; 58,60,62,64Ni(p, d), E=28 MeV; 58,60,62,64Ni(3He, d), E=18 MeV; 58,60,62,64Ni(3He, α), E=25 MeV; measured proton, deuteron, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale tandem accelerator facility. 57,59,61,63,65Ni, 59,61,63,65Cu; deduced levels, J, π, l-transfers, spectroscopic factors. DWBA analysis. 58,60,62,64Ni; deduced neutron occupancies, proton vacancies, energy centroids of the neutron, neutron-hole, and proton single-particle excitations. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.87.034306
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2013SH02      Phys.Rev. C 87, 014312 (2013)

D.K.Sharp, B.P.Kay, J.S.Thomas, S.J.Freeman, J.P.Schiffer, B.B.Back, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, T.Otsuka, P.D.Parker, K.E.Rehm, D.V.Shetty, A.H.Wuosmaa

Neutron single-particle strength outside the N=50 core

NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV; 88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured proton and 3He spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale. 2H(86Kr, p), E=10 MeV/nucleon; measured proton spectra, σ(θ) using HELIOS spectrometer at ANL. 87Kr, 89Sr, 91Zr, 93Mo; deduced levels, J, π, absolute σ, L-transfers, spectroscopic factors, centroids of single-particle strengths. DWBA analysis.

doi: 10.1103/PhysRevC.87.014312
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2012KA44      J.Phys.:Conf.Ser. 381, 012095 (2012)

B.P.Kay, M.Alcorta, B.B.Back, S.I.Baker, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, S.J.Freeman, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, K.E.Rehm, J.P.Schiffer, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa, S.Zhu

HELIOS - progress and possibilities

doi: 10.1088/1742-6596/381/1/012095
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2012MI26      J.Phys.:Conf.Ser. 381, 012099 (2012)

A.J.Mitchell, S.J.Freeman, J.P.Schiffer, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, B.P.Kay, P.D.Parker, D.K.Sharp, J.S.Thomas

Investigating trends in proton single-particle states in Z = 51 isotopes using transfer reactions

NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(α, t), E=37.5 MeV;112,114,116,118,120,122,124Sn(3He, d), E=25 MeV; measured E(particle), I(particle, θ) using Enge split-pole spectrometer; calculated σ(θ) using DWBA; deduced spectroscopic factors, σ(θ) for specified l-transfer, occupancies of neutron orbitals. Occupation of h11/2 increases rapidly with N. Preliminary.

doi: 10.1088/1742-6596/381/1/012099
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2012SC01      Phys.Rev.Lett. 108, 022501 (2012)

J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, A.M.Howard, A.J.Mitchell, P.D.Parker, D.K.Sharp, J.S.Thomas

Test of Sum Rules in Nucleon Transfer Reactions

NUCLEAR STRUCTURE 58,60,62,64Ni; calculated spectroscopic factors for neutron transfer, valence-orbit occupancies. Macfarlane-French sum rules.

NUCLEAR REACTIONS Ni(α, α), E=9 MeV; Ni(d, p), E=10 MeV; Ni(p, d), E=28 MeV; Ni(3He, d), E=18 MeV; Ni(α, t), E=38 MeV; measured reaction products. 58,60,62,64Ni; deduced spectroscopic factors, neutron occupancies. DWBA calculations.

doi: 10.1103/PhysRevLett.108.022501
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2012SH40      J.Phys.:Conf.Ser. 381, 012100 (2012)

D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, B.B.Back, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, P.D.Parker, J.S.Thomas, A.H.Wuosmaa

Trends in the g7/2 and h11/2 neutron single-particle energies in N = 51 isotones

NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV;88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured E(3He), I(3He, θ), Ep, Ip(θ) using Enge split-pole spectrometer; calculated σ(θ), spectroscopic factors using DWBA code PTOLEMY; deduced spectroscopic factors for specified l-transfers. 2H(86Kr, p), E=10 MeV/nucleon; measured Ep, Ip(θ) using HELIOS spectrometer; calculated σ(θ) using DWBA; deduced σ(θ).

doi: 10.1088/1742-6596/381/1/012100
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2012TH07      Phys.Rev. C 86, 047304 (2012)

J.S.Thomas, S.J.Freeman, C.M.Deibel, T.Faestermann, R.Hertenberger, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, D.K.Sharp, H.-F.Wirth

Neutron pair correlations in A=100 nuclei involved in neutrinoless double-β decay

NUCLEAR REACTIONS 98,100Mo, 100,102Ru(p, t), E=24 MeV; measured triton spectra, σ, σ(θ) using Q3D magnetic spectrograph at MLL Munich facility. 96,98Mo, 98,100Ru; deduced levels, J, π, σ(6°)/σ(15°) ratios, L-transfers. DWBA analysis. 98,100Mo(3He, 3He), E=12 MeV; measured target thickness and solid angle subtended by the spectrograph aperture. Relevance to pairing properties, and matrix elements of 0νββ decay of 100Mo to 100Ru.

doi: 10.1103/PhysRevC.86.047304
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1970BE32      Phys.Rev. C2, 500 (1970)

J.Benveniste, G.Merkel, A.Mitchell

Al(α, α')Al Compound-Nucleus Reactions

NUCLEAR REACTIONS 27Al(α, α'), E=20, 27.5 MeV; measured σ(Eα', θ).

doi: 10.1103/PhysRevC.2.500
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1970SC02      Nucl.Phys. A141, 497 (1970)

D.K.Scott, P.M.Portner, J.M.Nelson, A.C.Shotter, A.J.Mitchell, N.S.Chant, D.G.Montague, K.Ramavataram

The Reactions 14N(p, 3He)12C, 14N(d, α)12C, 13C(p, d)12C and the 4+ Level of 12C

NUCLEAR REACTIONS 14N(p, 3He), E=50 MeV; 14N(d, α), E=15, 20 MeV; 13C(p, d), E=50 MeV; measured σ(E(3He), θ), σ(Eα, θ), σ(Ed, θ); deduced optical model parameters. 12C deduced levels, J, π, S. Natural N, enriched 13C targets.

doi: 10.1016/0375-9474(70)90984-X
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1968BE32      Phys.Rev. 174, 1357 (1968)

J.Benveniste, G.Merkel, A.Mitchell

Influence of Angular Momentum on the Decay of the Ni60 Compound Nucleus

NUCLEAR REACTIONS 56Fe(α, α'), (α, p), E=20.7 MeV; 59Co(p, p'), (p, α), E=16.3 MeV; measured σ(Eα', θ), σ(Ep, θ), σ(Ep', θ), σ(Eα, θ).

doi: 10.1103/PhysRev.174.1357
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1968FU01      Phys.Rev. 165, 1218 (1968)

C.B.Fulmer, J.Benveniste, A.C.Mitchell

21-MeV Alpha-Particle Scattering on A = 58-64 Targets

NUCLEAR STRUCTURE 64Ni, 62Ni, 64Zn, 58Fe, 58Ni; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.165.1218
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1964BE07      Phys. Rev. 133, B323 (1964)

J.Benveniste, A.C.Mitchell, B.Buck, C.B.Fulmer

Proton Scattering of Isobars and Single Isotopes

NUCLEAR STRUCTURE 64Zn, 64Ni, 58Ni, 58Fe, 56Fe; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.133.B323
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1964BE47      Phys.Rev. 133, B317 (1964)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

Elastic scattering of protons by Fe56, Fe58 and Ni58 at 10.9 and 11.7 MeV

NUCLEAR REACTIONS 56,58Fe, 58Ni(p, p), E=10.8-11.7 MeV; measured products, 56Fe, 58Fe, 58Ni; deduced σ(θ). Data were imported from EXFOR entry O0431.

doi: 10.1103/PhysRev.133.B317
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1964RA01      Bull.Am.Phys.Soc. 9, No.4, 485, JA12 (1964)

A.V.Ramayya, Y.Yoshizawa, A.C.G.Mitchell

Level Scheme of I129

NUCLEAR STRUCTURE 129Te; measured not abstracted; deduced nuclear properties.


1964RA04      Nucl.Phys. 56, 129(1964)

A.V.Ramayya, Y.Yoshizawa, A.C.G.Mitchell

Level Scheme of I129

RADIOACTIVITY 129mTe[from 128Te(n, γ)]; measured Eγ, Iγ, βγ-, γγ-coin. 129I deduced levels. Enriched target.

doi: 10.1016/0029-5582(64)90459-6
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1963BE07      Phys.Rev. 129, 2173 (1963)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

Proton Scattering by Ni64 and Zn64 at 9.6 and 11.7 MeV

NUCLEAR STRUCTURE 64Ni, 64Zn; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.129.2173
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1963BE13      Phys.Rev. 130, 309 (1963); Erratum Phys.Rev. 132, 2800 (1963)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

Level Structure of Ni64 and Zn64

NUCLEAR STRUCTURE 64Zn, 64Ni; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.130.309
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1963BL07      Bull.Am.Phys.Soc. 8, No.4, 332, J12 (1963)

W.W.Black, A.C.G.Mitchell

Angular Correlation of γ-Rays in the Disintegration of La140

NUCLEAR STRUCTURE 140La; measured not abstracted; deduced nuclear properties.


1963BL19      Phys.Rev.132, 1193 (1963)

W.W.Black, A.C.G.Mitchell

Directional Correlation of the Gamma Rays of La140 and Ce140

NUCLEAR STRUCTURE 140La, 140Ba; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.132.1193
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1963FU07      Crnl Ann.Inf.Mfg., p. 84 (1963)

C.B.Fulmer, J.Benveniste, A.C.Mitchell

Experimental Studies of the Nuclear Symmetry Parameter in Proton Elastic Scattering. Elastic Scattering from Isobars

NUCLEAR STRUCTURE 56Fe, 58Fe, 58Ni; measured not abstracted; deduced nuclear properties.


1963SC08      Bull.Am.Phys.Soc. 8, No.4, 331, J3 (1963)

C.F.Schwerdtfeger, A.V.Ramayya, A.C.G.Mitchell

Level Scheme of Ga69

NUCLEAR STRUCTURE 69Ge; measured not abstracted; deduced nuclear properties.


1963SC27      Nucl.Phys. 49, 55 (1963)

C.F.Schwerdtfeger, A.V.Ramayya, A.C.G.Mitchell

Level Scheme of Ga69

NUCLEAR STRUCTURE 69Ge; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90073-7
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1962BE32      WASH-1039, p.19 (1962)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

' Scatterbrain '

NUCLEAR STRUCTURE 64Zn; measured not abstracted; deduced nuclear properties.


1962BE35      Nuclear Phys. 38, 300 (1962)

J.Benveniste, A.C.Mitchell, C.D.Schrader, J.H.Zenger

Gamma Rays from the Interaction of 14-MeV Neutrons with Lithium

NUCLEAR STRUCTURE 7Li; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(62)91035-0
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1962BE44      UCRL-6930 (1962)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

Proton Scattering by Ni64 and Zn64 at 9.6 and 11.7 MeV

NUCLEAR STRUCTURE 64Zn, 64Ni; measured not abstracted; deduced nuclear properties.


1962BE47      WASH-1041, p.23 (1962)

J.Benveniste, A.C.Mitchell, C.B.Fulmer

Proton Elastic Scattering

NUCLEAR STRUCTURE 64Ni, 64Zn; measured not abstracted; deduced nuclear properties.


1962FU04      Bull.Am.Phys.Soc.Southeastern Section, p.16, F10 (1962); Bull.Am.Phys.Soc. 7, No.8, 572, F10 (1962)

C.B.Fulmer, J.Benveniste, A.Mitchell

Proton Scattering by Ni64 and Zn64 at 9.6 and 11.7 MeV

NUCLEAR STRUCTURE 64Zn, 64Ni; measured not abstracted; deduced nuclear properties.


1961BE23      Phys.Rev. 123, 1818 (1961)

J.Benveniste, R.Booth, A.Mitchell

Proton Interactions with Cu63 and Cu65

doi: 10.1103/PhysRev.123.1818
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1961BE32      Nuclear Phys. 27, 665 (1961)

J.Benveniste, R.Booth, A.C.Mitchell

Level Structure of A40, "40Ar"

NUCLEAR STRUCTURE 40Ar; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(61)90310-8
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1960BE18      Nuclear Phys. 19, 52 (1960)

J.Benveniste, A.C.Mitchell, C.D.Schrader, J.H.Zenger

Gamma Rays from the Interaction of 14-MeV Neutrons with Beryllium

NUCLEAR STRUCTURE 7Li, 10Be; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(60)90217-0
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1960BE24      Nuclear Phys. 19, 448 (1960)

J.Benveniste, A.C.Mitchell, C.D.Schrader, J.H.Zenger

Gamma Rays from the Interaction of 14-MeV Neutrons with Carbon

NUCLEAR STRUCTURE 12C; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(60)90255-8
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1960CR01      Nucl.Phys. 14, 578 (1960)

C.B.Creager, C.W.Kocher, A.C.G.Mitchell

The Disintegration of La131

NUCLEAR STRUCTURE 131La; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(60)90003-1
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1960KO12      Phys.Rev. 120, 1348 (1960)

C.W.Kocher, A.C.G.Mitchell, C.B.Creager, T.D.Nainan

Disintegration of Te119

NUCLEAR STRUCTURE 119Te; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.120.1348
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1959JU40      Phys.Rev. 113, 602 (1959)

J.O.Juliano, C.W.Kocher, T.D.Nainan, A.C.G.Mitchell

Disintegration of Iron-52 and Iron-53

doi: 10.1103/PhysRev.113.602
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1959MI22      Phys.Rev. 113, 628 (1959)

A.C.G.Mitchell, J.O.Juliano, C.B.Creager, C.W.Kocher

Disintegration of I124 and I123

doi: 10.1103/PhysRev.113.628
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1958JU40      Bull.Am.Phys.Soc. 3, No.7, 357, A1 (1958)

J.O.Juliano, C.W.Kocher, T.D.Nainan, A.C.G.Mitchell


1958MI83      Bull.Am.Phys.Soc. 3, No.1, 63, VA12 (1958); Priv.Comm. (May 1958)

A.C.G.Mitchell, C.B.Creager, C.W.Kocher, H.H.Helmick

Disintegration of La135


1958MI88      Phys.Rev. 111, 1343 (1958)

A.C.G.Mitchell, C.B.Creager, C.W.Kocher

Disintegration of La135 and Confirmatory Experiments on Nd147

doi: 10.1103/PhysRev.111.1343
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1956GR10      Phys.Rev. 101, 701 (1956)

W.E.Graves, A.C.G.Mitchell

Disintegration of Te129

doi: 10.1103/PhysRev.101.701
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1955GR08      Phys.Rev. 97, 1033 (1955)

W.E.Graves, A.C.G.Mitchell

Disintegration of As71

doi: 10.1103/PhysRev.97.1033
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1954CA18      Phys.Rev. 94, 412 (1954)

R.S.Caird, A.C.G.Mitchell

Disintegration of Co55 and I130

doi: 10.1103/PhysRev.94.412
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1954CA66      Phys.Rev. 93, 916 (C5) (1954)

R.S.Caird, A.C.G.Mitchell

The Disintegration of Co55

RADIOACTIVITY 55Co(β+); measured decay products, Eβ, Iβ; deduced positron groups.


1954LI33      Phys.Rev. 95, 444 (1954)

T.Lindqvist, A.C.G.Mitchell

Disintegration of K43

doi: 10.1103/PhysRev.95.444
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1954LI42      Phys.Rev. 95, 1535 (1954)

T.Lindqvist, A.C.G.Mitchell

Nuclear Levels in Ca43

doi: 10.1103/PhysRev.95.1535
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1954MI56      Phys.Rev. 95, 727 (1954)

A.C.G.Mitchell, E.Hebb

Disintegration of Ba139

doi: 10.1103/PhysRev.95.727
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1953CA01      Phys.Rev. 89, 573 (1953)

R.S.Caird, A.C.G.Mitchell

The Isomer Rb84m

doi: 10.1103/PhysRev.89.573
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1952HU52      Phys.Rev. 88, 1350 (1952)

C.M.Huddleston, A.C.G.Mitchell

Nuclear Spectra of Rb82 and Rb84

doi: 10.1103/PhysRev.88.1350
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1952SM41      Phys.Rev. 87, 454 (1952)

A.B.Smith, A.C.G.Mitchell, R.S.Caird

The Disintegration of Cs130

doi: 10.1103/PhysRev.87.454
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1952SM49      Phys.Rev. 87, 1128 (1952)

A.B.Smith, A.C.G.Mitchell

The K/L Ratio for the 90-keV Line of Nd147

doi: 10.1103/PhysRev.87.1128
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1952SM51      Phys.Rev. 88, 150 (1952)

A.B.Smith, R.S.Caird, A.C.G.Mitchell

Some Experiments on Ge75 and Ge75m

doi: 10.1103/PhysRev.88.150
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1951CA04      Phys.Rev. 81, 485 (1951)

R.Canada, A.C.G.Mitchell

The Disintegration of As77

doi: 10.1103/PhysRev.81.485
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1951CA23      Phys.Rev. 82, 750 (1951)

R.Canada, W.H.Cuffey, A.E.Lessor, A.C.G.Mitchell

The Energy of the Gamma-Ray from Se77m

doi: 10.1103/PhysRev.82.750
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1951CA28      Phys.Rev. 83, 955 (1951)

R.Canada, A.C.G.Mitchell

Radiations from Br77 and Ni57

doi: 10.1103/PhysRev.83.955
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1950BU51      Phys.Rev. 79, 610 (1950)

M.E.Bunker, R.Canada, A.C.G.Mitchell

Radiations from Os185, Os191 and Os193

doi: 10.1103/PhysRev.79.610
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1950ME26      Phys.Rev. 79, 429 (1950)

J.Y.Mei, C.M.Huddleston, A.C.G.Mitchell

The Disintegration of Ru103 and Pd103

doi: 10.1103/PhysRev.79.429
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1950ME55      Phys.Rev. 79, 19 (1950)

J.Y.Mei, A.C.G.Mitchell, C.M.Huddleston

The Disintegration of As72

doi: 10.1103/PhysRev.79.19
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1950ME61      Phys.Rev. 79, 1010 (1950)

J.Y.Mei, C.M.Huddleston, A.C.G.Mitchell

Gamma-Rays of Ag105 and Ag106

doi: 10.1103/PhysRev.79.1010
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1949KE14      Phys.Rev. 76, 94 (1949)

B.D.Kern, A.C.G.Mitchell, D.J.Zaffarano

The Nuclear Spectra of Sb125, Te125*, Cr51 and I131

doi: 10.1103/PhysRev.76.94
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1949ME50      Phys.Rev. 76, 1883 (1949)

J.Y.Mei, A.C.G.Mitchell, D.J.Zaffarano

The Disintegration of In114

doi: 10.1103/PhysRev.76.1883
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1949MI01      Phys.Rev. 75, 197 (1949)

A.C.G.Mitchell, C.L.Peacock

On the Cs137 Disintegration Scheme

doi: 10.1103/PhysRev.75.197
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1949MI35      Phys.Rev. 76, 1450 (1949)

A.C.G.Mitchell, J.Y.Mei, F.C.Maienschein, C.L.Peacock

Disintegration of I124 and I126

doi: 10.1103/PhysRev.76.1450
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1949PE02      Phys.Rev. 75, 1272 (1949)

C.L.Peacock, A.C.G.Mitchell

Disintegration of Cs137

doi: 10.1103/PhysRev.75.1272
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1948MI17      Phys.Rev. 73, 1424 (1948)

A.C.G.Mitchell, D.J.Zaffarano, B.D.Kern

β and γ-Rays of Ga72

doi: 10.1103/PhysRev.73.1424
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1948SC20      Rev.Sci.Instr. 19, 458 (1948)

A.D.Schelberg, M.B.Sampson, A.C.G.Mitchell

A Method for Measuring Short Period Activities

doi: 10.1063/1.1741296
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1948ZA02      Phys.Rev. 74, 682 (1948)

D.J.Zaffarano, B.D.Kern, A.C.G.Mitchell

The Beta- and Gamma-Rays of Rb86

doi: 10.1103/PhysRev.74.682
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1947MI11      Phys.Rev. 71, 825 (1947)

A.C.G.Mitchell, E.T.Jurney, M.Ramsey

Radiations from As72

doi: 10.1103/PhysRev.71.825
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1943MI10      CP-597 (1943)

A.C.G.Mitchell, L.Slotin, J.Marshall, V.A.Nedzel, L.J.Brown, J.R.Pruett

Effect of Temperature on the Resonance Absorption of Neutrons by Uranium


1940MI04      Phys.Rev. 57, 1107 (1940)

A.C.G.Mitchell, L.M.Langer, P.W.McDaniel

A Study of the Nuclear Radiations from Antimony and Arsenic

doi: 10.1103/PhysRev.57.1107
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1938MI07      Phys.Rev. 53, 269 (1938)

A.C.G.Mitchell

Long Period Activity of Indium Produced by Slow Neutrons

doi: 10.1103/PhysRev.53.269
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1937MI01      Phys.Rev. 51, 995 (1937)

A.C.G.Mitchell

Long Period Activity in Cadmium Irradiated with Neutrons

NUCLEAR REACTIONS Cd(n, X)115Cd/117Cd, E thermal; measured reaction products; deduced T1/2.

doi: 10.1103/PhysRev.51.995.3
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1936MI02      Phys.Rev. 50, 133 (1936)

A.C.G.Mitchell, E.J.Murphy, D.D.Whitaker

Scattering of Slow Neutrons. II

NUCLEAR REACTIONS C, Mg, 27Al, S, Cr, 55Mn, Fe, Ni, Cu, Zn, Ag, CD, Sn, Hg, Pb, 209Bi(n, n), E<1 eV; measured reaction products, Eγ, Iγ; deduced relative scattering σ.

doi: 10.1103/PhysRev.50.133
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Note: The following list of authors and aliases matches the search parameter A.Mitchell: , A.C.MITCHELL, A.J.MITCHELL