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NSR database version of April 11, 2024.

Search: Author = G.E.Mitchell

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2022KN01      Phys.Rev. C 106, 034607 (2022)

I.Knapova, S.Valenta, B.Baramsai, T.A.Bredeweg, A.Couture, C.Fry, M.Jandel, J.Kroll, M.Krticka, G.E.Mitchell, J.M.O'Donnell, C.J.Prokop, G.Rusev, J.L.Ullmann

Spin assignment and statistical properties of neutron resonances from 161, 163Dy(n, γ) and 167Er(n, γ) measured at the DANCE facility

NUCLEAR REACTIONS 161,163Dy, 167Er(n, γ), E=2-345 eV; measured Eγ, Iγ, γγ-coin, γ-sum energy; deduced J, resonances parameters, average resonance spacings. Checked the ratio of spacings for the two spins formed in s-wave resonance capture against predictions of different nuclear level density models. Comparison to other experimental data, Mughabghab "Atlas of Neutron Resonances" evaluation and TALYS calculations. Highly segmented γ-ray calorimeter Detector for Advanced Neutron Capture Experiments (DANCE) consisting of 160 BaF2 crystals the Los Alamos Neutron Science Center.

doi: 10.1103/PhysRevC.106.034607
Citations: PlumX Metrics


2017UL01      Phys.Rev. C 96, 024627 (2017), Erratum Phys.Rev. C 96, 019902 (2017)

J.L.Ullmann, T.Kawano, B.Baramsai, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, M.Krticka, J.A.Becker, A.Chyzh, C.Y.Wu, G.E.Mitchell

Constraining the calculation of 234, 236, 238U (n, γ) cross sections with measurements of the γ-ray spectra at the DANCE facility

NUCLEAR REACTIONS 234U(n, γ), E=31, 77 eV; 236U(n, γ), E=44, 71 eV; 238U(n, γ), E=21, 36, 66, 102 eV; measured Eγ, Iγ for 1/2+ neutron-resonances using the Detector for Advanced Neutron Capture Experiments (DANCE) at Los Alamos Neutron Science Center (LANSC); deduced total radiation widths Γγ of s-wave 1/2+ resonances using different models of photon strength function (PSF) and nuclear level-density (NLD) parametrizations, and significant contribution to Γγ from a resonance structure at Eγ=2-3 MeV, identified with the M1 scissors mode; comparison of measured and summed γ spectra with calculations using the PSF and NLD parameters obtained from the Oslo method, from renormalized Oslo results, from systematics used in the CoH3 code, and from the MGLO and CoH3 models for the E1 strength. 234,236,238U(n, γ), E=1-500 keV; calculated σ(E) and compared with previous experimental data listed in the EXFOR database, and with ENDFB/VII-1 evaluation.

doi: 10.1103/PhysRevC.96.024627
Citations: PlumX Metrics


2017VA25      Phys.Rev. C 96, 054315 (2017)

S.Valenta, B.Baramsai, T.A.Bredeweg, A.Couture, A.Chyzh, M.Jandel, J.Kroll, M.Krticka, G.E.Mitchell, J.M.O'Donnell, G.Rusev, J.L.Ullmann, C.L.Walker

Examination of photon strength functions for 162, 164Dy from radiative capture of resonance neutrons

NUCLEAR REACTIONS 161,163Dy(n, γ), E=10-40 s-wave neutrons; measured time-of-flight spectrum for neutrons, Eγ, Iγ using segmented γ-ray calorimeter Detector for Advanced Neutron Capture Experiments (DANCE), an array of BaF2 scintillators at Los Alamos Neutron Science Center (LANSCE) spallation neutron source; deduced neutron resonances, cluster multiplicities, multistep cascade (MSC) spectra, E1 and M1 photon strength functions (PSFs) as function of γ-ray energy, total radiation widths, scissors mode, nuclear level density. Comparison with other experimental data, and with statistical model calculations.

doi: 10.1103/PhysRevC.96.054315
Citations: PlumX Metrics


2015WA18      Phys.Rev. C 92, 014324 (2015)

C.L.Walker, M.Krticka, B.Baramsai, F.Becvar, T.A.Bredeweg, A.Chyzh, R.C.Haight, M.Jandel, J.Kroll, G.E.Mitchell, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, S.Valenta, J.B.Wilhelmy

Measurement of the 97Mo(n, γ) reaction with the DANCE γ calorimeter array

NUCLEAR REACTIONS 97Mo(n, γ), E<1.7 eV. Measured Eγ, Iγ, multistep gamma cascades (MSCs) with the DANCE array of 160 BaF2 detectors at the LANSCE-LANL facility. 98Mo; deduced neutron resonances, J, π, neutron widths, photon-strength functions (PSFs), simulated total radiation width of resonances for all considered model combinations. Analysis using DICEBOX statistical computer code. 93,95,99Mo, 94Nb, 100Ru; deduced photon-strength functions (PSFs) using averaged s-wave resonance spacings D0 from literature. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.92.014324
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014KR08      Nucl.Data Sheets 119, 158 (2014)

J.Kroll, U.Agvaanluvsan, B.Baramsai, J.A.Becker, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, S.Valenta, D.J.Vieira, C.L.Walker, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Systematics of Scissors Mode in Gd Nuclei from Experiments with the DANCE Detector

NUCLEAR REACTIONS 152,154,155,156,157,158Gd(n, γ), E=subthermal-1 MeV; measured Eγ, Iγ using ToF LANSCE/DANCE array (BaF2); calculated γ emission, γ cascades using MSC code DICEBOX with fitted parameters and all models of RIPL-3; deduced M1 scissors mode vibrations; calculated scissors mode B(M1) vs deformation for (n, γ), (γ, γ') and 3He-induced reactions data.

doi: 10.1016/j.nds.2014.08.044
Citations: PlumX Metrics


2014UL01      Phys.Rev. C 89, 034603 (2014)

J.L.Ullmann, T.Kawano, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, A.Chyzh, C.Y.Wu, B.Baramsai, G.E.Mitchell, M.Krticka

Cross section and γ-ray spectra for 238U(n, γ) measured with the DANCE detector array at the Los Alamos Neutron Science Center

NUCLEAR REACTIONS 238U(n, γ), E=1-500 keV; measured Eγ, Iγ, σ(E) using DANCE array at LANSCE-LLNL spallation neutron source facility. Comparison with Hauser-Feshbach calculations using CoH3 computer code and cascade spectra calculations by DICEBOX code using level data from ENSDF database, with evaluated cross section in ENDF/B-VII.1, and with previous experimental data. M1 scissors mode contribution to the radiative strength function.

doi: 10.1103/PhysRevC.89.034603
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14310.


2014UL02      Nucl.Data Sheets 119, 22 (2014)

J.L.Ullmann, S.Mosby, T.A.Bredeweg, A.J.Couture, R.C.Haight, M.Jandel, T.Kawano, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, C.-Y.Wu, J.A.Becker, A.Chyzh, B.Baramsai, G.E.Mitchell, M.Krticka

Neutron Capture Cross Sections and Gamma Emission Spectra from Neutron Capture on 234, 236, 238U Measured with DANCE

NUCLEAR REACTIONS 234,236,238U(n, γ), E=10 eV-700 keV; measured Eγ, Iγ using DANCE at LANSCE; deduced two-step cascade γ-ray spectrum. 238U deduced σ. Cross sections compared with data and ENDF/B-VII.

doi: 10.1016/j.nds.2014.08.008
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14310.


2013BA15      Phys.Rev. C 87, 044609 (2013)

B.Baramsai, J.Kroll, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker

Photon strength functions of 156Gd from radiative capture of resonance neutrons

NUCLEAR REACTIONS 155Gd(n, γ), E=7.8, 21.0 eV; measured Eγ, Iγ, sum energy spectra, cluster multiplicity of γ cascades using DANCE γ-ray calorimeter at LANSCE facility; deduced spectra of multistep γ cascades (MSCs) and those of gated MSCs, E1 and M1 photon strength functions, scissors mode. DICEBOX algorithm. Validity of various photon strength functions (PSF), and nuclear level density (NLD) models Comparison with previous experimental studies, and with theoretical calculations.

doi: 10.1103/PhysRevC.87.044609
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2013KR07      Phys.Scr. T154, 014009 (2013)

J.Kroll, F.Becvar, M.Krticka, S.Valenta, B.Baramsai, G.E.Mitchell, C.L.Walker, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, J.A.Becker, A.Chyzh, D.Dashdorj, W.Parker, C.Y.Wu

Scissors mode of Gd nuclei measured, with the DANCE detector

NUCLEAR REACTIONS 152,154,155,156,157,158Gd(n, γ), E<1 MeV; measured reaction products, Eγ, Iγ; deduced photon strength, summed scissors-mode strength B(M1). Comparison with available data.

doi: 10.1088/0031-8949/2013/T154/014009
Citations: PlumX Metrics


2013KR11      Phys.Rev. C 88, 034317 (2013)

J.Kroll, B.Baramsai, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, S.Valenta, D.J.Vieira, C.Walker, C.Y.Wu

Strength of the scissors mode in odd-mass Gd isotopes from the radiative capture of resonance neutrons

NUCLEAR REACTIONS 152,154,156,158Gd(n, γ), E<1 MeV white neutron spectrum; measured multistep cascade (MSC) γ spectra for different multiplicities and several resolved s-wave resonances using DANCE array at LANSCE, LANL facility; deduced E1 and M1 photon strength functions, level density. GEANT4-based simulations. Comparison with several model calculations of photon strength functions (PSF) and nuclear level densities (NLD) for deformed nuclei, and with experimental data from other reactions. Discussed scissors mode in odd-A Gd isotopes from summed reduced M1 strengths. Evidence of odd-even effect in strength of scissors mode.

doi: 10.1103/PhysRevC.88.034317
Citations: PlumX Metrics


2013PO05      Phys.Rev. C 88, 015808 (2013)

I.Pogrebnyak, C.Howard, C.Iliadis, R.Longland, G.E.Mitchell

Mean proton and α-particle reduced widths of the Porter-Thomas distribution and astrophysical applications

NUCLEAR REACTIONS 27Al, 31P, 35Cl, 39K(p, α); 33S, 35Cl, 39K, 42Ca, 44Ca, 46Ti, 48Ti, 50Cr, 52Cr, 54Cr, 54Fe, 56Fe, 60Ni, 64Zn, 66Zn(p, p); analyzed previous experimental resonance data collected at TUNL facility. 28Si, 32S, 34Cl, 36Ar, 40Ca, 43,45Sc, 47,49V, 51,53,55Mn, 55,57Co, 61Cu, 65Ge, 67Ga; deduced mean reduced proton width and α widths. Porter-Thomas distributions. 40Ti(α, γ)44Ti; deduced thermonuclear reaction rates based on mean reduced α widths. Impact on 44Ti abundance in core-collapse novae.

doi: 10.1103/PhysRevC.88.015808
Citations: PlumX Metrics


2012BA07      Phys.Rev. C 85, 024622 (2012)

B.Baramsai, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker

Neutron resonance parameters in 155Gd measured with the DANCE γ-ray calorimeter array

NUCLEAR REACTIONS 155Gd(n, γ), E=1.36-185 eV; measured neutron spectra by time-of-flight, E(n), I(n), Eγ, sum-energy spectra, average γ-ray multiplicity of s-wave resonances, cross sections using DANCE calorimeter at LANSC. 156Gd; deduced resonances, spins by various methods, resonance parameters, s-wave level density, normalized yields for J=1 and J=2 resonances, neutron and radiative width, Sammy fit of experimental cross sections. Comparison with previous studies, and ENDF/B-VII.0, JENDL-4.0, JEFF-3.1, ROSFOND-2010 libraries.

doi: 10.1103/PhysRevC.85.024622
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14318. Data from this article have been entered in the XUNDL database. For more information, click here.


2012ST15      Nucl.Phys. A895, 33 (2012)

S.L.Stephenson, B.E.Crawford, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, A.V.Strelkov, B.G.Levakov, A.E.Lyzhin, Yu.I.Chernukhin, C.R.Howell, G.E.Mitchell, W.Tornow, R.A.Showalter-Bucher

Experiment on direct nn scattering - The radiation-induced outgassing complication

NUCLEAR REACTIONS 1n(n, n), E=thermal[thermalized from YAGUAR pulsed reactor]; measured En, In using 3He thick and thin ionization detector and n4He ToF; analyzed feasibility to deduce σnn, neutron-neutron scattering length, neutron-neutron interaction, electron energy deposition in walls and radiation-induced desorption.

doi: 10.1016/j.nuclphysa.2012.09.005
Citations: PlumX Metrics


2011BE58      Nucl.Instrum.Methods Phys.Res. A647, 73 (2011)

F.Becvar, P.E.Koehler, M.Krticka, G.E.Mitchell, J.L.Ullmann

Optimized γ-multiplicity-based spin assignments of s-wave neutron resonances

NUCLEAR REACTIONS 147,149Sm(n, γ), E<600 eV; analyzed available data; deduced yields, neutron resonance parameters. Comparison with available data.

doi: 10.1016/j.nima.2011.04.026
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14306.


2011CH31      Phys.Rev. C 84, 014306 (2011)

A.Chyzh, B.Baramsai, J.A.Becker, F.Becvar, T.A.Bredeweg, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, J.Kroll, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Measurement of the 157Gd(n, γ) reaction with the DANCE γ calorimeter array

NUCLEAR REACTIONS 157Gd(n, γ), E=<300 eV; measured Eγ, Iγ using DANCE γ calorimeter. 158Gd; deduced E1, M1 and E1 photon strength distributions, resonances, multiplicity, spin distribution, multistep cascade (MSC) spectra. Statistical model calculations using DICEBOX code. Scissors mode.

doi: 10.1103/PhysRevC.84.014306
Citations: PlumX Metrics


2011UL01      J.Korean Phys.Soc. 59, 1406s (2011)

J.L.Ullmann, A.J.Couture, A.L.Keksis, D.J.Vieira, J.M.O'Donnell, J.M.Wouters, M.Jandel, R.C.Haight, R.S.Rundberg, T.A.Bredeweg, T.Kawano, C.Y.Wu, J.A.Becker, A.Chyzh, B.Baramsai, G.E.Mitchell, M.Krticka

Measurement of the 238U Neutron-capture Cross Section and Gamma-emission Spectra from 10 eV to 100 keV Using the DANCE Detector at LANSCE

NUCLEAR REACTIONS 238U(n, γ), E=10 eV-100 keV; measured Eγ, Iγ, γγ-coin using DANCE at LANSCE; deduced σ, γ multiplicity, 36 eV resonance σ(Eγ); calculated γ multiplicity, σ(Eγ) using DICEBOX code.

doi: 10.3938/jkps.59.1406
Citations: PlumX Metrics


2010DA13      Nucl.Instrum.Methods Phys.Res. B268, 114 (2010)

D.Dashdorj, G.E.Mitchell, T.Kawano, M.Devlin, N.Fotiades, R.O.Nelson, J.A.Becker, C.Y.Wu, P.E.Garrett, S.Kuneida

(n, 2n) and (n, 3n) cross-sections of neutron-induced reactions on 150Sm for En=1-35 MeV

NUCLEAR REACTIONS 150Sm(n, 2n), (n, 3n), (n, 2nγ), (n, 3nγ), E<35 MeV; measured TOF, Eγ, Iγ; deduced σ. Comparison with FKK GNASH calculations.

doi: 10.1016/j.nimb.2009.10.189
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14266. Data from this article have been entered in the XUNDL database. For more information, click here.


2010TO06      Phys.Rev. C 81, 064311 (2010)

H.K.Toft, A.C.Larsen, U.Agvaanluvsan, A.Burger, M.Guttormsen, G.E.Mitchell, H.T.Nyhus, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov

Level densities and γ-ray strength functions in Sn isotopes

NUCLEAR REACTIONS 119Sn(3He, 3He), (3He, α), E=38 MeV; measured Eγ, particle-γ coin. 118,119Sn; deduced γ-ray strength functions, level densities, parity asymmetry functions, collective enhancement factors, and spin distributions. Oslo method. Combinatorial BCS model.

doi: 10.1103/PhysRevC.81.064311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1852.


2009AG01      Phys.Rev. C 79, 014320 (2009)

U.Agvaanluvsan, A.C.Larsen, M.Guttormsen, R.Chankova, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov

Evidence for the pair-breaking process in 116, 117Sn

NUCLEAR REACTIONS 117Sn(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin. 116,117Sn; deduced excitation energies, entropies, level densities, microcanonical temperatures.

doi: 10.1103/PhysRevC.79.014320
Citations: PlumX Metrics


2009AG03      Phys.Rev.Lett. 102, 162504 (2009)

U.Agvaanluvsan, A.C.Larsen, R.Chankova, M.Guttormsen, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov

Enhanced Radiative Strength in the Quasicontinuum of 117Sn

NUCLEAR REACTIONS 117Sn(3He, 3He'), E=38 MeV; measured Eγ, Iγ, 7radiative strength function. 117Sn; deduced level density.

doi: 10.1103/PhysRevLett.102.162504
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1697.


2009SH05      Phys.Rev. C 79, 024301 (2009)

S.A.Sheets, U.Agvaanluvsan, J.A.Becker, F.Becvar, T.A.Bredeweg, R.C.Haight, M.Jandel, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.Reifarth, R.S.Rundberg, E.I.Sharapov, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Test of the statistical model in 96Mo with the BaF calorimeter DANCE array

NUCLEAR REACTIONS 95Mo(n, γ), E<2 keV; measured Eγ, Iγ, from multi-step γ cascades for s- and p-wave neutron resonances below 2 keV. Compared γ spectral shapes to DICEBOX statistical model simulations. Compared multi-step γ-cascade spectra for different multiplicities from various resonances with predictions of different photon strength function models.

doi: 10.1103/PhysRevC.79.024301
Citations: PlumX Metrics


2008AL35      Phys.Rev. C 78, 054321 (2008)

E.Algin, U.Agvaanluvsan, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Thermodynamic properties of 56, 57Fe

NUCLEAR REACTIONS 57Fe(3He, 3He'γ), (3He, αγ), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. Deduced level densities, thermodynamic properties.

doi: 10.1103/PhysRevC.78.054321
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1669.


2008KR04      Phys.Rev. C 77, 054319 (2008)

M.Krticka, F.Becvar, I.Tomandl, G.Rusev, U.Agvaanluvsan, G.E.Mitchell

Two-step gamma cascades following thermal neutron capture in 95Mo

NUCLEAR REACTIONS 94Mo(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin, two-step γ cascades, σγ, , multipolarities. 95Mo; deduced levels, J, π, level densities. 96Mo(3He, 3He), 97Mo(3He, αγ); systematics.

doi: 10.1103/PhysRevC.77.054319
Citations: PlumX Metrics


2007AG09      Nucl.Instrum.Methods Phys.Res. B261, 934 (2007)

U.Agvaanluvsan, J.A.Becker, R.A.Macri, W.Parker, P.Wilk, C.Y.Wu, T.A.Bredeweg, E.Esch, R.C.Haight, J.M.O'Donnell, R.Reifarth, R.S.Rundberg, J.M.Schwantes, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, G.E.Mitchell, S.Sheets, F.Becvar, M.Krticka

Progress on the europium neutron capture study using DANCE

NUCLEAR REACTIONS 151,153Eu(n, γ), E=0.1-100 keV; measured Eγ, Iγ, and multiplicity distributions.

doi: 10.1016/j.nimb.2007.03.107
Citations: PlumX Metrics


2007AL49      Phys.Atomic Nuclei 70, 1634 (2007)

E.Algin, A.Schiller, A.Voinov, U.Agvaanluvsan, T.Belgya, L.A.Bernstein, C.R.Brune, R.Chankova, P.E.Garrett, S.M.Grimes, M.Guttormsen, M.Hjorth-Jensen, M.J.Hornish, C.W.Johnson, T.Massey, G.E.Mitchell, J.Rekstad, S.Siem, W.Younes

Bulk properties of iron isotopes

NUCLEAR REACTIONS 57Fe(3He, α), (3He, 3He'), E=45 MeV; 56Fe(n, γ), E=thermal; 55Mn(d, n), E=7.0 MeV; measured Eγ, Iγ. Deduced nuclear level densities and radiative strength functions. Compared results to model calculations.

doi: 10.1134/S1063778807090232
Citations: PlumX Metrics


2007DA21      Phys.Rev. C 75, 054612 (2007)

D.Dashdorj, T.Kawano, P.E.Garrett, J.A.Becker, U.Agvaanluvsan, L.A.Bernstein, M.B.Chadwick, M.Devlin, N.Fotiades, G.E.Mitchell, R.O.Nelson, W.Younes

Effect of preequilibrium spin distribution on 48Ti + n cross sections

NUCLEAR REACTIONS 48Ti(n, n'γ), (n, 2nγ), E=1-35 MeV; calculated discrete γ-ray production cross section using Hauser-Feshbach formalism with spin distribution for the preequlibrium process calculated using the Feshbach-Kerman-Koonin theory. Compared results to experimental data.

doi: 10.1103/PhysRevC.75.054612
Citations: PlumX Metrics


2007DA23      Nucl.Instrum.Methods Phys.Res. B261, 948 (2007)

D.Dashdorj, G.E.Mitchell, T.Kawano, J.A.Becker, U.Agvaanluvsan, M.B.Chadwick, J.R.Cooper, M.Devlin, N.Fotiades, P.E.Garrett, R.O.Nelson, C.Y.Wu, W.Younes

Neutron induced inelastic cross-sections of 150Sm for En = 1-35 MeV

NUCLEAR REACTIONS 150Sm(n, γ), E=1-35 MeV; measured Eγ, Iγ, excitation functions and partial γ-ray production cross sections. Compared results to model calculations.

doi: 10.1016/j.nimb.2007.04.161
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14148.


2007DA24      Nucl.Sci.Eng. 157, 65 (2007)

D.Dashdorj, G.E.Mitchell, J.A.Becker, U.Agvaanluvsan, L.A.Bernstein, W.Younes, P.E.Garrett, M.B.Chadwick, M.Devlin, N.Fotiades, T.Kawano, R.O.Nelson

Gamma-Ray Production Cross Sections in Multiple Channels for Neutron-Induced Reaction on 48Ti for En = 1 to 200 MeV

NUCLEAR REACTIONS 48Ti(n, γX), E=1-200 MeV; measured prompt γ-ray production cross sections. Compared results to model calculations.

doi: 10.13182/NSE07-A2713
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14162.


2007MU11      Nucl.Phys. A789, 30 (2007)

A.Yu.Muzichka, W.I.Furman, E.V.Lychagin, A.R.Krylov, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, A.V.Strelkov, B.G.Levakov, A.E.Lyzhin, Yu.I.Chernukhin, Ya.Z.Kandiev, C.R.Howell, G.E.Mitchell, B.E.Crawford, S.L.Stephenson, W.Tornow, and the DIANNA Collaboration

Background determination for the neutron-neutron scattering experiment at the reactor YAGUAR

doi: 10.1016/j.nuclphysa.2007.03.163
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2007SH46      Phys.Rev. C 76, 064317 (2007)

S.A.Sheets, U.Agvaanluvsan, J.A.Becker, F.Becvar, T.A.Bredeweg, R.C.Haight, M.Krticka, M.Jandel, G.E.Mitchell, J.M.O'Donnell, W.E.Parker, R.Reifarth, R.S.Rundberg, E.I.Sharapov, I.Tomandl, J.L.Ullmann, D.J.Vieira, J.M.Wouters, J.B.Wilhelmy, C.Y.Wu

Spin and parity assignments for 94, 95Mo neutron resonances

NUCLEAR REACTIONS 94,95Mo(n, γ), E=800 MeV; measured neutron energies, Eγ, Iγ, γ-ray multiplicities. 95,96Mo; deduced neutron resonance levels, J, π.

doi: 10.1103/PhysRevC.76.064317
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2006CH14      Phys.Rev. C 73, 034311 (2006)

R.Chankova, A.Schiller, U.Agvaanluvsan, E.Algin, L.A.Bernstein, M.Guttormsen, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, S.Siem, A.C.Larsen, A.Voinov, S.Odegard

Level densities and thermodynamical quantities of heated 93-98Mo isotopes

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced level densities; deduced thermodynamical quantities, phase transition features.

doi: 10.1103/PhysRevC.73.034311
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2006KA40      Phys.Rev. C 74, 024325 (2006)

K.Kaneko, M.Hasegawa, U.Agvaanluvsan, E.Algin, R.Chankova, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Breaking of nucleon Cooper pairs at finite temperature in 93-98Mo

NUCLEAR STRUCTURE 93,94,95,96,97,98Mo; calculated level densities, heat capacities, pair correlation features.

doi: 10.1103/PhysRevC.74.024325
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2006VO06      Phys.Rev. C 74, 014314 (2006)

A.V.Voinov, S.M.Grimes, U.Agvaanluvsan, E.Algin, T.Belgya, C.R.Brune, M.Guttormsen, M.J.Hornish, T.Massey, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem

Level density of 56Fe and low-energy enhancement of γ-strength function

NUCLEAR REACTIONS 55Mn(d, n), E=7 MeV; measured En, σ(E, θ). 56Fe deduced level density, γ-strength function.

doi: 10.1103/PhysRevC.74.014314
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2005AG15      Nucl.Instrum.Methods Phys.Res. B241, 180 (2005)

U.Agvaanluvsan, E.Algin, J.A.Becker, M.Guttormsen, G.E.Mitchell, S.Siem, A.Schiller, A.Voinov

Investigation of the radiative strength function

NUCLEAR REACTIONS 57Fe, 171Yb(3He, 3He'), E=38-45 MeV; 117Sn, 172Yb(3He, α), E=38-45 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced radiative strength functions.

doi: 10.1016/j.nimb.2005.07.081
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2005CR08      Nucl.Instrum.Methods Phys.Res. B241, 190 (2005)

B.E.Crawford, W.I.Furman, C.R.Howell, E.V.Lychagin, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, G.E.Mitchell, A.Yu.Muzichka, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, S.L.Stephenson, A.V.Strelkov, W.Tornow

Direct nn-scattering at the YAGUAR reactor

doi: 10.1016/j.nimb.2005.07.023
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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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2005GU16      Phys.Rev. C 71, 044307 (2005)

M.Guttormsen, R.Chankova, U.Agvaanluvsan, E.Algin, L.A.Bernstein, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.C.Sunde, A.Voinov, S.Odegard

Radiative strength functions in 93-98Mo

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 97,98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced radiative strength functions.

doi: 10.1103/PhysRevC.71.044307
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2005LO06      Phys.Rev. C 71, 064315 (2005)

S.J.Lokitz, G.E.Mitchell, J.F.Shriner, Jr.

Test of 45Sc level densities with proton resonances

NUCLEAR REACTIONS 44Ca(p, p), (p, p'), E=2.50-3.53 MeV; measured Ep, σ(E, θ). 45Sc deduced resonance parameters, level densities.

doi: 10.1103/PhysRevC.71.064315
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2005MI17      J.Res.Natl.Inst.Stand.Technol. 110, 225 (2005)

G.E.Mitchell, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov, Yu.I.Chernukhin, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, B.E.Crawford, S.L.Stephenson, C.R.Howell, W.Tornow

Direct nn-Scattering Measurement With the Pulsed Reactor YAGUAR

doi: 10.6028/jres.110.029
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2005MI36      Braz.J.Phys. 35, 850 (2005)

G.E.Mitchell, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, B.E.Crawford, S.L.Stephenson, C.R.Howell, W.Tornow

A Direct Measurement of the Neutron-Neutron Scattering Length

doi: 10.1590/S0103-97332005000500036
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2005SH07      Phys.Rev. C 71, 024313 (2005)

J.F.Shriner, Jr., G.E.Mitchell, B.A.Brown

Statistical properties and broken symmetries within the shell model

NUCLEAR STRUCTURE 22Na, 26Al, 34Cl; calculated level spacing distributions, transition probability distributions; deduced effect of broken isospin symmetry.

doi: 10.1103/PhysRevC.71.024313
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2004AB18      Phys.Lett. B 598, 42 (2004)

S.Aberg, A.Heine, G.E.Mitchell, A.Richter

Isospin symmetry breaking in 93Tc and statistical properties

NUCLEAR STRUCTURE 93Tc; analyzed proton resonance energy, widths, isospin mixing effects. Random matrix theory.

doi: 10.1016/j.physletb.2004.07.051
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2004AG05      Phys.Rev. C 70, 054611 (2004)

U.Agvaanluvsan, A.Schiller, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes

Level densities and γ-ray strength functions in 170, 171, 172Yb

NUCLEAR REACTIONS 171Yb(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 172Yb(3He, 3He'), (3He, α), E=45 MeV; 173Yb(3He, α), E=45 MeV; analyzed Eγ, Iγ, (particle)γ-coin. 170,171,172Yb deduced level densities, radiative strength functions, pygmy resonance features.

doi: 10.1103/PhysRevC.70.054611
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2004CR02      J.Phys.(London) G30, 1269 (2004)

B.E.Crawford, S.L.Stephenson, C.R.Howell, G.E.Mitchell, W.Tornow, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov

Calculations of neutron spectra after neutron-neutron scattering

NUCLEAR REACTIONS 1n, He, Ar(n, n'), E=reactor; calculated neutron spectra.

doi: 10.1088/0954-3899/30/9/024
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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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2004LO15      Phys.Lett. B 599, 223 (2004)

S.J.Lokitz, G.E.Mitchell, J.F.Shriner, Jr.

Parity dependence of 45Sc level densities

NUCLEAR REACTIONS 44Ca(p, p), (p, p'), E=2.5-3.53 MeV; measured Ep, σ(θ). 45Sc deduced proton resonances, level density parameters.

doi: 10.1016/j.physletb.2004.08.039
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2004SH11      Phys.Lett. B 586, 232 (2004)

J.F.Shriner, Jr., G.E.Mitchell, B.A.Brown

Isospin symmetry breaking and the nuclear shell model

NUCLEAR STRUCTURE 26Al; calculated shell model eigenvalues, statistical features, isospin symmetry breaking effects.

doi: 10.1016/j.physletb.2004.02.062
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2004VO12      Phys.Rev.Lett. 93, 142504 (2004)

A.Voinov, E.Algin, U.Agvaanluvsan, T.Belgya, R.Chankova, M.Guttormsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem

Large Enhancement of Radiative Strength for Soft Transitions in the Quasicontinuum

NUCLEAR REACTIONS 57Fe(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 56Fe(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. 56,57Fe deduced radiative strength functions, quasicontinuum enhancement.

doi: 10.1103/PhysRevLett.93.142504
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2003AG02      Nucl.Instrum.Methods Phys.Res. A498, 459 (2003)

U.Agvaanluvasan, G.E.Mitchell, J.F.Shriner, Jr., M.P.Pato

Missing level corrections in nuclear resonances

NUCLEAR REACTIONS 48Ti(p, X), E=3.08-3.86 MeV; 238U(n, X), E not given; analyzed resonance data, level densities; deduced missing fraction.

doi: 10.1016/S0168-9002(02)02144-7
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2003AG07      Phys.Rev. C 67, 064608 (2003)

U.Agvaanluvsan, G.E.Mitchell, J.F.Shriner, Jr., M.Pato

Parity dependence of nuclear level densities

NUCLEAR REACTIONS 44Ca, 48Ti, 56Fe(p, p), E ≈ 2-4 MeV; analyzed proton resonance data. 45Sc, 49V, 57Co deduced proton resonance level densities, parity asymmetry.

doi: 10.1103/PhysRevC.67.064608
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2003SC32      Phys.Rev. C 68, 054326 (2003)

A.Schiller, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, M.Hjorth-Jensen, C.W.Johnson, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes

Level densities in 56, 57Fe and 96, 97Mo

NUCLEAR REACTIONS 57Fe, 97Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ. 56,57Fe, 96,97Mo deduced level densities. Microscopic model, pairing plus random interaction.

doi: 10.1103/PhysRevC.68.054326
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2002FU16      J.Phys.(London) G28, 2627 (2002)

W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, Yu.V.Safronov, A. V.Strelkov, E.I.Sharapov, V.N.Shvetsov, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, C.R.Howell, G.E.Mitchell, W.Tornow, B.E.Crawford, S.L.Stephenson, C.D.Bowman

Direct measurement of the neutron-neutron scattering cross section at the reactor YAGUAR

NUCLEAR REACTIONS 63Cu, 197Au(n, γ), E=thermal; measured activation yields; deduced neutron flux density. Application to proposed neutron-neutron scattering experiment discussed.

doi: 10.1088/0954-3899/28/10/308
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2002SM02      Phys.Rev. C65, 024607 (2002)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, A.M.Sukhovoj, V.W.Yuan

Neutron Resonance Spectroscopy of 104Pd, 105Pd, and 110Pd

NUCLEAR REACTIONS 104,105,110Pd(n, γ), (n, X), E=1-2100 MeV; measured transmission spectra, Eγ, Iγ. 106,108Pd(n, X), (n, γ), E not given; analyzed data. 104,105,106,108,110Pd deduced resonance parameters, level spacings, strength functions.

doi: 10.1103/PhysRevC.65.024607
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2002SM04      Phys.Rev. C65, 035503 (2002)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan

Parity Violation in Neutron Resonances of Palladium

NUCLEAR REACTIONS Pd(polarized n, X), E=60-160 eV; measured transmission neutron spectra. 104,105,106,108Pd deduced resonance parameters, parity nonconservation asymmetries.

doi: 10.1103/PhysRevC.65.035503
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2002TA14      Phys.Rev. C65, 064309 (2002)

E.Tavukcu, L.A.Bernstein, K.Hauschild, J.A.Becker, P.E.Garrett, C.A.McGrath, D.P.McNabb, W.Younes, P.Navratil, R.O.Nelson, G.D.Johns, G.E.Mitchell, J.A.Cizewski

State in 196Pt Observed with the (n, n'γ) Reaction

NUCLEAR REACTIONS 196Pt(n, n'γ), E=1-8 MeV; measured Eγ, Iγ, γγ-coin; deduced γ-ray excitation functions. 196Pt deduced levels, J, π. Geanie array, interacting boson model calculations.

doi: 10.1103/PhysRevC.65.064309
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2001MA55      Phys.Rev. C64, 015501 (2001)

Y.Matsuda, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

Parity Violation in Neutron Resonances of Antimony and Iodine

NUCLEAR REACTIONS 121,123Sb, 127I(polarized n, n'), E ≈ 5-350 eV; measured transmission neutron spectra. 121,123Sb, 127I deduced resonance parameters, parity-nonconserving asymmetries, weak spreading widths.

doi: 10.1103/PhysRevC.64.015501
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2001MI34      Phys.Rep. 354, 157 (2001)

G.E.Mitchell, J.D.Bowman, S.I.Penttila, E.I.Sharapov

Parity Violation in Compound Nuclei: Experimental methods and recent results

NUCLEAR STRUCTURE 81Br, 93Nb, 103Rh, 107,109Ag, 104,105,106,108Pd, 113Cd, 115In, 117Sn, 121,123Sb, 127I, 131Xe, 133Cs, 139La, 232Th, 238U; compiled, analyzed resonance parameters, parity nonconserving asymmetry data.

doi: 10.1016/S0370-1573(01)00016-3
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2001SM07      Phys.Rev. C64, 015502 (2001)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, M.B.Johnson, A.Masaike, Y.Matsuda, G.E.Mitchell, V.A.Nazarenko, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, L.M.Smotritsky, S.L.Stephenson, S.Tomsovic, V.W.Yuan

Parity Violation in Neutron Resonances of 117Sn

NUCLEAR REACTIONS 117Sn(polarized n, n'), E ≈ 0.8-1100 eV; measured neutron spectra. 117Sn deduced resonance parameters, parity-nonconserving asymmetries, weak spreading width.

doi: 10.1103/PhysRevC.64.015502
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2001TA31      Phys.Rev. C64, 054614 (2001)

E.Tavukcu, L.A.Bernstein, K.Hauschild, J.A.Becker, P.E.Garrett, C.A.McGrath, D.P.McNabb, W.Younes, M.B.Chadwick, R.O.Nelson, G.D.Johns, G.E.Mitchell

196Pt(n, xnypγ) Reactions using Spallation Neutrons from En = 1 to 250 MeV

NUCLEAR REACTIONS 196Pt(n, xnyp)184Pt/186Pt/188Pt/190Pt/191Pt/192Pt/193Pt/194Pt/194Pt/196Pt/189Ir/191Ir/193Ir, E=1-250 MeV; measured prompt Eγ, Iγ, γγ-coin; deduced γ-ray excitation functions. Comparison with model predictions.

doi: 10.1103/PhysRevC.64.054614
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2000GR19      Phys.Rev. C62, 024323 (2000)

C.A.Grossmann, M.A.LaBonte, G.E.Mitchell, J.D.Shriner, J.F.Shriner, Jr., G.A.Vavrina, P.M.Wallace

Complete Spectroscopy of 30P

NUCLEAR REACTIONS 29Si(p, γ), E=1.0-2.5 MeV; measured Eγ, Iγ(θ). 30P deduced levels, J, π, δ, partial widths. Comparison with shell model.

doi: 10.1103/PhysRevC.62.024323
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2000MI09      Phys.Rev. C61, 045503 (2000)

G.E.Mitchell, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

New Search for Parity Violation in Nonresonant Neutron Scattering on Thorium

NUCLEAR REACTIONS 232Th(polarized n, n), E=30-300 eV; measured transmission neutron spectra; deduced off-resonance parity violating asymmetry.

doi: 10.1103/PhysRevC.61.045503
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2000SH02      Phys.Rev. C61, 025501 (2000)

E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, J.E.Lynch, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

Parity Violation in 232Th Neutron Resonances Above 250 eV

NUCLEAR REACTIONS 232Th(polarized n, n), E=40-2100 eV; measured transimission yields, asymmetry. 232Th deduced resonances, parity-nonconservation effects.

doi: 10.1103/PhysRevC.61.025501
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2000SH42      Phys.Rev. C62, 054305 (2000)

J.F.Shriner, Jr., C.A.Grossmann, G.E.Mitchell

Level Statistics and Transition Distributions of 30P

NUCLEAR STRUCTURE 30P; analyzed level statistics, transition probability distributions; deduced broken isospin symmetry.

doi: 10.1103/PhysRevC.62.054305
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2000ST08      Phys.Rev. C61, 045501 (2000)

S.L.Stephenson, J.D.Bowman, F.Corvi, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, H.M.Shimizu, Y.-F.Yen, V.W.Yuan, L.Zanini

Parity Violation in Neutron Resonances in 115In

NUCLEAR REACTIONS In(polarized n, n), E=6-316 eV; measured transmission neutron spectra. 115In(n, γ), E=3-480 eV; measured Eγ, Iγ, σ(En). 115In deduced p-wave resonances J, π, asymmetries, parity violation, weak spreading width.

doi: 10.1103/PhysRevC.61.045501
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1999CR03      Phys.Rev. C60, 055503 (1999)

B.E.Crawford, J.D.Bowman, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan

Parity Nonconservation in 106Pd and 108Pd Neutron Resonances

NUCLEAR REACTIONS 106,108Pd(polarized n, γ), E=20-2000 eV; measured capture σ vs helicity; deduced weak spreading widths, possible parity nonconservation effects.

doi: 10.1103/PhysRevC.60.055503
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1999LO01      Phys.Rev. C59, 1119 (1999)

L.Y.Lowie, J.D.Bowman, F.Corvi, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, H.M.Shimizu, S.L.Stephenson, Y.-F.Yen, V.W.Yuan, L.Zanini

Parity Violation in Neutron Resonances in 107, 109Ag

NUCLEAR REACTIONS Ag(polarized n, X), E=32-422 eV; measured total σ helicity dependence, longitudinal asymmetries; deduced parity nonconservation features. 107,109Ag(n, γ), E=10-800 eV; measured Eγ, Iγ, tof spectra. 107,109Ag deduced resonances E, Γ, J.

doi: 10.1103/PhysRevC.59.1119
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1999MI05      Rev.Mod.Phys. 71, 445 (1999)

G.E.Mitchell, J.D.Bowman, H.A.Weidenmuller

Parity Violation in the Compound Nucleus

NUCLEAR STRUCTURE 93Nb, 107,109Ag, 104,105,106,108Pd, 113Cd, 115In, 117Sn, 121,123Sb, 127I, 232Th, 238U; reviewed, analyzed neutron scattering data, parity-violation effects, weak spreading widths.

doi: 10.1103/RevModPhys.71.445
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1999SH11      Phys.Rev. C59, 1131 (1999)

E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, K.Fukuda, M.Iinuma, J.N.Knudson, S.J.Lokitz, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, H.M.Shimizu, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

Search for Parity Violation in 93Nb Neutron Resonances

NUCLEAR REACTIONS 93Nb(polarized n, n), E=32-1000 eV; measured total σ, longitudinal asymmetries. 93Nb deduced resonances E, Γ, upper limit for weak spreading width.

doi: 10.1103/PhysRevC.59.1131
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1999SH17      Phys.Rev. C59, 1772 (1999)

E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

Parity Nonconservation in Neutron Resonances in 133Cs

NUCLEAR REACTIONS 133Cs(polarized n, γ), E=5-400 eV; measured transmission spectra, σ(E) asymmetry. 133Cs deduced resonances E, Γ, parity non-conserving matrix element, weak spreading width.

doi: 10.1103/PhysRevC.59.1772
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1999SM03      Phys.Rev. C59, 2836 (1999)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, M.B.Johnson, A.Masaike, Y.Matsuda, G.E.Mitchell, V.A.Nazarenko, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, L.M.Smotritsky, S.L.Stephenson, V.Yuan

Neutron Resonance Spectroscopy of 117Sn from 1 eV to 1.5 keV

NUCLEAR REACTIONS 117Sn(n, γ), E=1-1500 eV; measured σ(E). 117Sn deduced neutron resonance parameters.

doi: 10.1103/PhysRevC.59.2836
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1999SM15      Phys.Rev. C60, 045502 (1999)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.Yuan

Neutron Resonance Spectroscopy of 103Rh from 30 eV to 2 keV

NUCLEAR REACTIONS 103Rh(n, γ), E=30-2000 eV; measured σ(En); deduced resonance parameters. Tof technique.

doi: 10.1103/PhysRevC.60.045502
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1999SM16      Phys.Rev. C60, 045503 (1999)

D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.Yuan

Parity Violation in Neutron Resonances of 103Rh

NUCLEAR REACTIONS 103Rh(n, γ), E=30-490 eV; analyzed data; deduced resonance parameters, parity nonconservation.

doi: 10.1103/PhysRevC.60.045503
Citations: PlumX Metrics


1998AD05      Phys.Lett. 422B, 13 (1998)

A.A.Adams, G.E.Mitchell, J.F.Shriner, Jr.

Statistical Distribution of Reduced Transition Probabilities in 26Al

NUCLEAR STRUCTURE 26Al; analyzed reduced transition probabilities; deduced possible symmetry breaking.

doi: 10.1016/S0370-2693(98)00031-8
Citations: PlumX Metrics


1998BE71      Phys.Rev. B58, 11103 (1998)

M.Berheide, W.H.Schulte, H.-W.Becker, L.Borucki, M.Buschmann, N.Piel, C.Rolfs, G.E.Mitchell, J.S.Schweitzer

Average Kinetic Energy of Atoms in a Solid Measured with Resonant Nuclear Reactions

NUCLEAR REACTIONS 21Ne(p, γ), E ≈ 272 keV; measured thick target yield curves; deduced target atoms average kinetic energy.

doi: 10.1103/PhysRevB.58.11103
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1998CR04      Phys.Rev. C58, 729 (1998)

B.E.Crawford, J.D.Bowman, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan

Neutron Resonance Spectroscopy of 106Pd and 108Pd from 20 to 2000 eV

NUCLEAR REACTIONS 106,108Pd(n, γ), (n, n'γ), E=20-2000 eV; measured transmission, capture Eγ, Iγ. 106,108Pd deduced resonances E, Γ, J, π. Multilevel, multichannel analysis.

doi: 10.1103/PhysRevC.58.729
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1998CR05      Phys.Rev. C58, 1225 (1998)

B.E.Crawford, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan, and the TRIPLE Collaboration

Parity Nonconservation in Neutron Resonances in 238U

NUCLEAR REACTIONS 238U(polarized n, n), E=10-300 eV; measured total σ, longitudinal asymmetries. 238U deduced resonance parameters, parity violating matrix element.

doi: 10.1103/PhysRevC.58.1225
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14276.


1998SE21      Phys.Rev. C58, 2977 (1998)

S.J.Seestrom, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, M.Iinuma, J.N.Knudson, P.E.Koehler, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, Yu.P.Popov, H.Postma, N.R.Roberson, E.I.Sharapov, H.M.Shimizu, D.A.Smith, S.L.Stephenson, Y.F.Yen, V.W.Yuan

Parity Nonconservation in Neutron Capture on 113Cd

NUCLEAR REACTIONS Cd, 113Cd(polarized n, γ), E=7-520 eV; measured Eγ, Iγ, transmission spectra, total capture σ helicity dependence. 113Cd deduced resonances J, π, widths, parity-violating asymmetries.

doi: 10.1103/PhysRevC.58.2977
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1998ST14      Phys.Rev. C58, 1236 (1998)

S.L.Stephenson, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, Y.-F.Yen, V.W.Yuan

Parity Nonconservation in Neutron Resonances in 232Th

NUCLEAR REACTIONS 232Th(polarized n, n), E=8-300 eV; measured total σ, longitudinal asymmetries. 232Th deduced resonance parameters, parity violating matrix element.

doi: 10.1103/PhysRevC.58.1236
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14323.


1997AD03      Phys.Lett. 392B, 1 (1997)

A.A.Adams, G.E.Mitchell, W.E.Ormand, J.F.Shriner, Jr.

Distribution of Shell Model Reduced Transition Probabilities in 22Na

NUCLEAR STRUCTURE 22Na; calculated B(λ); deduced chaotic nature related features. Shell model.

doi: 10.1016/S0370-2693(96)01510-9
Citations: PlumX Metrics


1997LO04      Phys.Rev. C56, 90 (1997)

L.Y.Lowie, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan

Neutron Resonance Spectroscopy of 107Ag and 109Ag

NUCLEAR REACTIONS 107,109Ag(n, X), E=10-800 eV; measured neutron transmission spectra. 108,110Ag deduced resonances, gΓ(n), l, J. 107Ag(n, γ), E=10-800 eV; measured Eγ, Iγ. 108Ag deduced resonance isotopic assignments.

doi: 10.1103/PhysRevC.56.90
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14059.


1997VA02      Phys.Rev. C55, 1119 (1997)

G.A.Vavrina, E.G.Bilpuch, C.R.Bybee, G.E.Mitchell, E.F.Moore, J.D.Shriner, J.F.Shriner, Jr., P.M.Wallace, C.R.Westerfeldt

Spectroscopy of the 29Si(p, γ) Reaction for E(p) = 1.00-1.75 MeV

NUCLEAR REACTIONS, ICPND 29Si(p, γ), E=1-1.75 MeV; measured Eγ, Iγ, σ(E). 30P deduced levels, J, π, γ strengths, branching ratios. Enriched targets.

doi: 10.1103/PhysRevC.55.1119
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0563.


1996BO03      Phys.Rev. C53, 285 (1996)

J.D.Bowman, L.Y.Lowie, G.E.Mitchell, E.I.Sharapov, Y.-F.Yen

Analysis of Parity Violation in Neutron Resonances

NUCLEAR STRUCTURE 116In; calculated probability density function vs p, ρ. 232Th, 238U; calculated p-wave resonances spin densities, relative probabilities. Parity violation, neutron resonances.

doi: 10.1103/PhysRevC.53.285
Citations: PlumX Metrics


1996BY02      Z.Phys. A355, 327 (1996)

C.R.Bybee, G.E.Mitchell, J.F.Shriner, Jr.

The Fourier Transform as a Signature for Chaos in Nuclear Energy Levels

NUCLEAR STRUCTURE 57Co, 167Er; analyzed neutron resonance, nearest neighbor spacing distribution data. Fourier transform of autocorrelation function.

doi: 10.1007/s002180050115
Citations: PlumX Metrics


1996MI10      Phys.Rev. C54, 371 (1996)

G.E.Mitchell, J.F.Shriner, Jr.

Parity Violation in Charged-Particle Resonance Reactions

NUCLEAR REACTIONS 31P(polarized p, α), E ≈ 3.032-3.038 MeV; calculated σ(θ), analyzing power, (A(z)/V), nucleon figure of merit vs E, parity nonconserving observables; deduced proposed detector design.

doi: 10.1103/PhysRevC.54.371
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1996SK01      Phys.Rev. C53, R2573 (1996)

V.R.Skoy, E.I.Sharapov, N.A.Gundorin, Yu.P.Popov, Yu.V.Prokofichev, N.R.Roberson, G.E.Mitchell

Isotopic Identification of the Parity-Violating Neutron p-Wave Resonance at Energy E0 = 3.2 eV in Xe

NUCLEAR REACTIONS 129Xe, Xe(n, γ), (n, X), E=epithermal; measured reaction products, TOF, En, In, Eγ, Iγ. 131Xe; deduced resonance parameters.

doi: 10.1103/PhysRevC.53.R2573
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41364.


1996SZ02      Phys.Rev. C53, R2576 (1996)

J.J.Szymanski, W.M.Snow, J.D.Bowman, B.Cain, B.E.Crawford, P.P.J.Delheij, R.D.Hartman, T.Haseyama, C.D.Keith, J.N.Knudson, A.Komives, M.Leuschner, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, D.Rich, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.F.Yen, V.W.Yuan

Observation of a Large Parity Nonconserving Analyzing Power in Xe

NUCLEAR REACTIONS Xe(polarized n, X), E ≈ resonance; measured large parity nonconserving analyzing power. Transmission through liquid Xe target, natural isotopic abundance.

doi: 10.1103/PhysRevC.53.R2576
Citations: PlumX Metrics


1996WA33      Phys.Rev. C54, 2916 (1996)

P.M.Wallace, E.G.Bilpuch, C.R.Bybee, G.E.Mitchell, E.F.Moore, J.D.Shriner, J.F.Shriner, Jr., G.A.Vavrina, C.R.Westerfeldt

Spectroscopy of the 29Si(p, γ) Reaction for E(p) = 1.75 - 2.51 MeV

NUCLEAR REACTIONS 29Si(p, γ), E=1.75-2.51 MeV; measured σ(p, γ), Eγ, Iγ. 30P deduced levels, J, π, T, γ-branching ratios. Enriched targets.

doi: 10.1103/PhysRevC.54.2916
Citations: PlumX Metrics


1995BE29      Z.Phys. A351, 453 (1995)

H.W.Becker, M.Bahr, M.Berheide, L.Borucki, M.Buschmann, C.Rolfs, G.Roters, S.Schmidt, W.H.Schulte, G.E.Mitchell, J.S.Schweitzer

Hydrogen Depth Profiling using 18O Ions

NUCLEAR REACTIONS, ICPND 1H(15N, α), E=6.58 MeV; 1H(18O, α), E=2.9 MeV; measured spectra. 18O(p, α), E ≈ 140-160 keV; calculated astrophysical S-factor vs E. 1H(15N, α), E ≈ 6.525-6.625 MeV; 1H(18O, α), E ≈ 2.85-2.95 MeV; measured yield ratio Iα/I(H) vs E. 16O, 19F deduced more accurate resonance parameters. 1H(18O, α), E ≈ 2.68-2.78 MeV; measured α-yield vs E. 1H(15N, α), E ≈ 6.36-6.48 MeV; measured γ yield vs E. Single stage accelerator technique, depth profiling applications.

doi: 10.1007/BF01291151
Citations: PlumX Metrics


1995MI28      Nucl.Instrum.Methods Phys.Res. B99, 305 (1995)

G.E.Mitchell, J.F.Shriner, Jr.

Parity Violation in Charged Particle Resonances

NUCLEAR REACTIONS 31P(polarized p, α), E=3.0356, 3.0341 MeV; 23Na, 27Al, 35Cl, 39K(polarized p, p), (polarized p, α), E not given; compiled, reviewed (analyzing power)/(parity violating interaction matrix element V) vs E; deduced local rms V for each resonance.

doi: 10.1016/0168-583X(94)00686-5
Citations: PlumX Metrics


1995SH54      Nucl.Instrum.Methods Phys.Res. B99, 641 (1995)

J.F.Shriner, Jr., E.G.Bilpuch, C.R.Bybee, G.E.Mitchell, E.F.Moore, J.D.Shriner, C.R.Westerfeldt

A Compton-Suppressed Spectrometer for Studies of Chaos in Nuclei

NUCLEAR REACTIONS 29Si(p, γ), E=2.4866 MeV; measured Eγ, Iγ. Compton-suppressed spectrometer.

doi: 10.1016/0168-583X(94)00760-8
Citations: PlumX Metrics


1994DR01      Phys.Rev. C49, 411 (1994)

J.M.Drake, E.G.Bilpuch, G.E.Mitchell, J.F.Shriner, Jr.

Detailed-Balance Tests of Time-Reversal Invariance with Interfering Charged-Particle Resonances

NUCLEAR STRUCTURE 24Mg, 28Si, 32S, 36Ar, 40Ca; analyzed resonances data; calculated σ(θ) differences for (p, α), (α, p) leading to these compound nuclei; deduced time reversal invariance testing possibility.

NUCLEAR REACTIONS 23Na, 27Al, 31P, 35Cl, 39K(p, p), (p, α), E ≈ resonance; analyzed data; deduced time reversal invariance testing possibility.

doi: 10.1103/PhysRevC.49.411
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1994SH01      Phys.Rev. C49, R616 (1994)

J.F.Shriner, Jr., G.E.Mitchell

Parity Violation in Charged Particle Nuclear Reactions

NUCLEAR REACTIONS 39K(polarized p, α), E(cm)=3.342-3.348 MeV; calculated σ(θ), longitudinal analyzing power/parity violating matrix element vs E; deduced charge particle resonance studies usefulness in parity nonconservation investigations. Standard two-state model, experimental data input.

doi: 10.1103/PhysRevC.49.R616
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1993BO25      Phys.Rev. C48, 1116 (1993)

J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, J.J.Yeh, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration

Experimental Limit on Parity Violation in Nonresonant Neutron-Nucleus Scattering

NUCLEAR REACTIONS 232Th(polarized n, X), E=6-86 eV; measured transmission spectra, parity nonconserving longitudinal asymmetry; deduced nonresonant scattering parity violation limit.

doi: 10.1103/PhysRevC.48.1116
Citations: PlumX Metrics


1993FR13      Phys.Rev. C48, 1601 (1993)

C.M.Frankle, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.S.Patterson, S.I.Penttila, Yu.P.Popov, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, Y.-F.Yen, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration

Neutron Resonance Spectroscopy of 113In and 115In

NUCLEAR REACTIONS In(n, X), E=25-500 eV; measured transmission; deduced σ(E). 115In(n, γ), E=25-500 eV; measured capture Eγ, Iγ. 114,116In deduced resonances, parameters.

doi: 10.1103/PhysRevC.48.1601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13591.


1993FR19      Nucl.Instrum.Methods Phys.Res. B79, 306 (1993)

C.M.Frankle, J.D.Bowman, J.N.Knudson, S.I.Penttila, S.J.Seestrom, S.H.Yoo, V.W.Yuan, C.R.Gould, D.G.Haase, G.E.Mitchell, N.R.Roberson, Yu.P.Popov, E.I.Sharapov, P.P.J.Delheij, H.Postma, and the TRIPLE Collaboration

Measurement of Parity Violation in Compound Nuclear Resonances using Epithermal Polarized Neutrons

NUCLEAR REACTIONS 81Br, 139La, 232Th, 238U(polarized n, X), E=epithermal; compiled, reviewed parity nonconserving analyzing power data.

doi: 10.1016/0168-583X(93)95351-5
Citations: PlumX Metrics


1993HA39      Nucl.Instrum.Methods Phys.Res. B79, 300 (1993)

D.G.Haase, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, J.N.Knudson, J.E.Koster, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.H.Yoo, V.W.Yuan

Bulk Magnetic Structure Studies using Polarized Epithermal Neutrons

NUCLEAR REACTIONS Ho(polarized n, n), E=epithermal; measured neutron depolarization. Thick single ferromagnetic holmium crystal.

doi: 10.1016/0168-583X(93)95349-A
Citations: PlumX Metrics


1993LA09      Z.Phys. A345, 249 (1993)

P.A.Larson, J.R.Vanhoy, G.E.Mitchell

Acquired Polarization in k.I PNC Experiments

NUCLEAR REACTIONS 111,113Cd, 117Sn(n, X), E ≈ resonance; calculated parity nonconserving transmission asymmetries; deduced acquired polarization role. Unpolarized beam, polarized target.

doi: 10.1007/BF01280831
Citations: PlumX Metrics


1993MI19      Nucl.Phys. A560, 483 (1993)

G.E.Mitchell, E.G.Bilpuch, C.R.Bybee, J.M.Drake, J.F.Shriner, Jr.

Detailed Balance Test of Time Reversal Invariance with Interfering Resonances

NUCLEAR REACTIONS 23Na, 27Al, 31P, 35Cl, 39K(p, p), (p, α), E not given; compiled, reviewed resonance data; calculated σ(θ) difference; deduced detailed balance tests related features.

doi: 10.1016/0375-9474(93)90109-B
Citations: PlumX Metrics


1993MI25      Nucl.Instrum.Methods Phys.Res. B79, 290 (1993)

G.E.Mitchell, E.G.Bilpuch, C.R.Bybee, J.M.Drake, J.F.Shriner, Jr.

Detailed Balance Study of Time Reversal Invariance with Interfering Resonances

NUCLEAR REACTIONS 23Na, 27Al, 31P, 35Cl, 39K(p, α), E=resonance; compiled, reviewed resonance data, analyses; deduced detailed balance tests sensitivity features.

doi: 10.1016/0168-583X(93)95346-7
Citations: PlumX Metrics


1993RO25      Nucl.Instrum.Methods Phys.Res. A326, 549 (1993)

N.R.Roberson, C.D.Bowman, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, R.N.Mortensen, S.I.Penttila, H.Postma, S.J.Seestrom, J.J.Szymanski, S.A.Wender, S.H.Yoo, V.W.Yuan, X.Zhu

An Apparatus and Techniques of Tests for Fundamental Symmetries in Compound-Nucleus Scattering with Epithermal Polarized Neutron Beams

NUCLEAR REACTIONS 238U(polarized n, X), E=5-300 eV; measured neutron transmission. 239U resonance deduced average parity violating asymmetry.

doi: 10.1016/0168-9002(93)90858-F
Citations: PlumX Metrics


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