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NSR database version of May 24, 2024.

Search: Author = M.W.Herman

Found 17 matches.

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2023LE13      Eur.Phys.J. N 9, 34 (2023)

A.M.Lewis, A.D.Carlson, D.L.Smith, D.P.Barry, R.C.Block, S.Croft, Y.Danon, M.Drosg, M.W.Herman, D.Neudecker, N.Otuka, H .Sjostrand, V.Sobes

Templates of expected measurement uncertainties for total neutron cross-section observables

doi: 10.1051/epjn/2023018
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2023LE14      Eur.Phys.J. N 9, 33 (2023)

A.M.Lewis, D.Neudecker, A.D.Carlson, D.L.Smith, I.Thompson, A.Wallner, D.P.Barry, L.A.Bernstein, R.C.Block, S.Croft, Y.Danon, M.Drosg, R.C.Haight, M.W.Herman, H.Y.Lee, N.Otuka, H.Sjostrand, V.Sobes

Templates of expected measurement uncertainties for neutron-induced capture and charged-particle production cross section observables

doi: 10.1051/epjn/2023015
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2023MU06      Phys.Rev. C 107, 034606 (2023)

M.R.Mumpower, D.Neudecker, H.Sasaki, T.Kawano, A.E.Lovell, M.W.Herman, I.Stetcu, M.Dupuis

Collective enhancement in the exciton model

NUCLEAR REACTIONS 239Pu(n, 2n), E=6-24 MeV; calculated σ(E). 239Pu(n, xn), E=14 MeV; 181Ta, 165(n, xn), E=20 MeV; calculated neutron emission spectra. Calculation with statistical model framework CoH3 with increased one-particle-one-hole state density used in the exciton model. Comparison to experimental data and ENDF/B-VIII.0.

NUCLEAR STRUCTURE 239Pu; calculated 1p-1h state densities.

doi: 10.1103/PhysRevC.107.034606
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2023NE10      Eur.Phys.J. N 9, 35 (2023)

D.Neudecker, A.M.Lewis, E.F.Matthews, J.Vanhoy, R.C.Haight, D.L.Smith, P.Talou, S.Croft, A.D.Carlson, B.Pierson, A.Wallner, A.Al-Adili, L.Bernstein, R.Capote, M.Devlin, M.Drosg, D.L.Duke, S.Finch, M.W.Herman, K.J.Kelly, A.Koning, A.E.Lovell, P.Marini, K.Montoya, G.P.A.Nobre, M.Paris, B.Pritychenko, H.Sjostrand, L.Snyder, V.Sobes, A.Solders, J.Taieb

Templates of Expected Measurement Uncertainties: a CSEWG Effort

NUCLEAR REACTIONS 235U(n, F), E<20 MeV; analyzed available data; deduced nubar mean values and uncertainties.

doi: 10.1051/epjn/2023014
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2021NE06      Phys.Rev. C 104, 034611 (2021)

D.Neudecker, O.Cabellos, A.R.Clark, M.J.Grosskopf, W.Haeck, M.W.Herman, J.Hutchinson, T.Kawano, A.E.Lovell, I.Stetcu, P.Talou, S.Vander Wiel

Informing nuclear physics via machine learning methods with differential and integral experiments

NUCLEAR REACTIONS 238U(n, n'), E=14 MeV; analyzed pulsed-sphere neutron-leakage experimental spectrum obtained at LLNL facility, and compared with evaluated data in ENDF/B-VIII.0. 241Pu(n, F), E=0.1-1.0, 14 MeV; analyzed differential and integral experimental data for fission σ(E) by combining experimental σ data, nuclear-physics theory and neutron-transport simulations of the experiments using machine learning (ML) random forest algorithm and expert judgment. Relevance to improvement of description of nuclear-physics observables in particular application areas.

doi: 10.1103/PhysRevC.104.034611
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2021SI16      Phys.Rev. C 103, 054605 (2021)

M.Sin, R.Capote, M.W.Herman, A.Trkov, B.V.Carlson

Modeling photon-induced reactions on 233-238U actinide targets

NUCLEAR REACTIONS 233,234,235,236,237,238U(γ, X), (γ, γ), (γ, F), (γ, n), (γ, 2n), (γ, 3n), E=3-30 MeV; calculated photoreaction total, photoabsorption, fission, elastic and (γ, xn) σ(E) using the EMPIRE-3.2 code and compared with the available experimental data in the EXFOR library, and with the evaluated data from JENDL/PD-2016 and IAEA-Photonuclear Data Library 1999 (IAEA-PD); deduced set of giant dipole resonances (GDR) parameters consistent with all the available experimental data. Discussed differences and the similarities between the models and parameters used in calculations of photon- and neutron-induced reactions on the same nuclei, with focus on fission process.

doi: 10.1103/PhysRevC.103.054605
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2020KI03      Nucl.Instrum.Methods Phys.Res. A963, 163699(2020)

H.I.Kim, H.Y.Lee, T.Kawano, A.Georgiadou, S.A.Kuvin, L.Zavorka, M.W.Herman

New evaluation on angular distributions and energy spectra for neutron-induced charged-particle measurements

doi: 10.1016/j.nima.2020.163699
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2020NO03      Phys.Rev. C 101, 034608 (2020)

G.P.A.Nobre, D.A.Brown, M.W.Herman, A.Golas

Constraining level densities through quantitative correlations with cross-section data

NUCLEAR REACTIONS 56Fe(n, p)56Mn, E=3-20 MeV; calculated σ(E), and fractional variation in σ relative to change in level densities of target and product nuclei. 56Fe(n, nX), E=9.1, 13.35, 14.06, 14.1 MeV; calculated double differential σ(E, θ). 56Fe(n, n'γ), E<20 MeV; calculated σ(E) for different excitation energies in 56Fe, and fractional variation in σ relative to change in level densities of target and product nuclei. 56Fe, 56Mn; analyzed spin distributions for levels of positive and negative parities, nuclear level densities, and cumulative number of levels, compared to data in RIPL library; analyzed sensitivity matrices connecting variations in level density (LD) at a given excitation energy to cross-section changes at a given incident energy; deduced level densities at an extended range of excitation energy, beyond the separation energy. Calculations based on Gilbert-Cameron (GC) model with parameters fitted based on ENDF/B-VIII.0, and Hartree-Fock-Bogoliubov (HFB) approach. Comparison with experimental data from EXFOR and other literature.

doi: 10.1103/PhysRevC.101.034608
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2018BR05      Nucl.Data Sheets 148, 1 (2018)

D.A.Brown, M.B.Chadwick, R.Capote, A.C.Kahler, A.Trkov, M.W.Herman, A.A.Sonzogni, Y.Danon, A.D.Carlson, M.Dunn, D.L.Smith, G.M.Hale, G.Arbanas, R.Arcilla, C.R.Bates, B.Beck, B.Becker, F.Brown, R.J.Casperson, J.Conlin, D.E.Cullen, M.-A.Descalle, R.Firestone, T.Gaines, K.H.Guber, A.I.Hawari, J.Holmes, T.D.Johnson, T.Kawano, B.C.Kiedrowski, A.J.Koning, S.Kopecky, L.Leal, J.P.Lestone, C.Lubitz, J.I.Marquez Damian, C.M.Mattoon, E.A.McCutchan, S.Mughabghab, P.Navratil, D.Neudecker, G.P.A.Nobre, G.Noguere, M.Paris, M.T.Pigni, A.J.Plompen, B.Pritychenko, V.G.Pronyaev, D.Roubtsov, D.Rochman, P.Romano, P.Schillebeeckx, S.Simakov, M.Sin, I.Sirakov, B.Sleaford, V.Sobes, E.S.Soukhovitskii, I.Stetcu, P.Talou, I.Thompson, S.van der Marck, L.Welser-Sherrill, D.Wiarda, M.White, J.L.Wormald, R.Q.Wright, M.Zerkle, G.Zerovnik, Y.Zhu

ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

COMPILATION Z=1-118; compiled, analyzed decay data, Maxwellian averaged neutron capture σ, neutron-induced fission σ.

NUCLEAR REACTIONS 1,2H, 3He, 6,7Li, 9Be, 10,11B, 12,13C, 14,15N, 16,17,18O, 19F, 20,21,22Ne, 22,23Na, 24,25,26Mg, 26,27Al, 28,29,30,31,32Si, 31P, 32,33,34,35,36S, 35,36,37Cl, 36,37,38,39,40,41Ar, 39,40,41K, 40,41,42,43,44,45,46,47,48Ca, 45Sc, 46,47,48,49,50Ti, 49,50,51V, 50,51,52,53,54Cr, 54,55Mn, 54,55,56,57,58Fe, 58,59Co, 58,59,60,61,62,63,64Ni, 63,64,65Cu, 64,65,66,67,68,69,70Zn, 69,70,71Ga, 70,71,72,73,74,75,76Ge, 73,74,75As, 74,75,76,77,78,79,80,81,82Se, 79,80,81Br, 78,79,80,81,82,83,84,85,86Kr, 85,86,87Rb, 84,85,86,87,88,89,90Sr, 89,90,91Y, 90,91,92,93,94,95,96Zr, 93,94,95Nb, 92,93,94,95,96,97,98,99,100Mo, 98,99Tc, 96,97,98,99,100,101,102,103,104,105,106Ru, 103,104,105Rh, 102,103,104,105,106,107,108,109,110Pd, 107,108,109,110,111,112,113,114,115,116,117,118Ag, 106,107,108,109,110,111,112,113,114,115,116Cd, 113,114,115In, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126Sn, 121,122,123,124,125,126Sb, 120,121,122,123,124,125,126,127,128,129,130,121,132Te, 127,128,129,130,131,132,133,134,135I, 123,124,125,126,127,128,129,130,131,132,133,134,135,136Xe, 133,134,135,136,137Cs, 130,131,132,133,134,135,136,137,138,139,140Ba, 138,139,140La, 136,137,138,139,140,141,142,143,144Ce, 141,142,143Pr, 142,143,144,145,146,147,148,149,150Nd, 143,144,145,146,147,148,149,151Pm, 144,145,146,147,148,149,150,151,152,153,154Sm, 151,152,153,154,155,156,157Eu, 152,153,154,155,156,157,158,159,160Gd, 158,159,160,161Tb, 154,155,156,157,158,159,160,161,162,163,164Dy, 165,166Ho, 162,163,164,165,166,167,168,170,170Er, 168,169,170,171Tm, 168,169,170,171,172,173,174,175,176Yb, 175,176Lu, 174,175,176,177,178,179,180,181,182Hf, 180,181,182Ta, 180,181,182,183,184,185,186W, 185,186,187Re, 184,185,186,187,188,189,190,191,192Os, 191,192,193Ir, 190,191,192,193,194,195,196,197,198Pt, 197Au, 196,197,198,199,200,201,202,203,204Hg, 203,204,205Tl, 204,205,206,207,208,209,210Pb, 209,210Bi, 208,209,210Po, 223,224,225,226Ra, 225,226,227Ac, 227,228,229,230,231,232,233,234Th, 229,230,231,232,233Pa, 230,231,232,233,234,235,236,237,238,239,240,241U, 234,235,236,237,238,239Np, 236,237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244Am, 240,241,242,243,244,245,246,247,248,249,250Cm, 245,246,247,248,249,250Bk, 246,247,248,249,250,251,252,253,254Cf, 251,252,253,254,255Es, 255Fm(n, γ), E=30 keV; calculated Maxwellian-averaged σ using ENDF/B-VIII.0 evaluated neutron library. Comparison with ENDF/B-VII.1 and KADONIS values.

NUCLEAR REACTIONS 227,228,229,230,231,232,233,234Th, 229,230,231,232,233Pa, 230,231,232,233,234,235,236,237,238,239,240,241U, 234,235,236,237,238,239Np, 236,237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244Am, 240,241,242,243,244,245,246,247,248,249,250Cm, 245,246,247,248,249,250Bk, 246,247,248,249,250,251,252,253,254Cf, 251,252,253,254,255Es, 255Fm(n, γ), (n, F), E=thermal; calculated thermal σ. Comparison with ENDF/B-VII.1, JENDL-4.0u+ and Atlas of Neutron Resonances values.

doi: 10.1016/j.nds.2018.02.001
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2018BR14      Phys.Rev. C 98, 024616 (2018)

D.A.Brown, G.P.A.Nobre, M.W.Herman

Impact of alternative transmission coefficient parametrizations on Hauser-Feshbach theory

NUCLEAR REACTIONS 90Zr, 197Au(n, n), (n, n'), (n, γ), (n, X), E<9 MeV; analyzed elastic, total inelastic, capture, total σ(E) with and without the superradiance modified Hauser-Feshbach equation, using experimental data for resolved resonances, unresolved resonances, and resonances in the fast regions taken from the EXFOR library; investigated neutron transmission coefficients in different formulations: Moldauer's sum rule for resonance reactions, the SPRT method, and the Moldauer-Simonius method.

doi: 10.1103/PhysRevC.98.024616
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2018CA08      Nucl.Data Sheets 148, 254 (2018)

R.Capote, A.Trkov, M.Sin, M.T.Pigni, V.G.Pronyaev, J.Balibrea, D.Bernard, D.Cano-Ott, Y.Danon, A.Daskalakis, T.Goricanec, M.W.Herman, B.Kiedrowski, S.Kopecky, E.Mendoza, D.Neudecker, L.Leal, G.Noguere, P.Schillebeeckx, I.Sirakov, E.S.Soukhovitskii, I.Stetcu, P.Talou

IAEA CIELO Evaluation of Neutron-induced Reactions on 235U and 238U Targets

NUCLEAR REACTIONS 235,238U(n, X), E<20 MeV; analyzed available data; calculated σ, σ(θ), σ(θ, E).

doi: 10.1016/j.nds.2018.02.005
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2018CH12      Nucl.Data Sheets 148, 189 (2018)

M.B.Chadwick, R.Capote, A.Trkov, M.W.Herman, D.A.Brown, G.M.Hale, A.C.Kahler, P.Talou, A.J.Plompen, P.Schillebeeckx, M.T.Pigni, L.Leal, Y.Danon, A.D.Carlson, P.Romain, B.Morillon, E.Bauge, F.-J.Hambsch, S.Kopecky, G.Giorginis, T.Kawano, J.Lestone, D.Neudecker, M.Rising, M.Paris, G.P.A.Nobre, R.Arcilla, O.Cabellos, I.Hill, E.Dupont, A.J.Koning, D.Cano-Ott, E.Mendoza, J.Balibrea, C.Paradela, I.Duran, J.Qian, Z.Ge, T.Liu, L.Hanlin, X.Ruan, W.Haicheng, M.Sin, G.Noguere, D.Bernard, R.Jacqmin, O.Bouland, C.De Saint Jean, V.G.Pronyaev, A.V.Ignatyuk, K.Yokoyama, M.Ishikawa, T.Fukahori, N.Iwamoto, O.Iwamoto, S.Kunieda, C.R.Lubitz, M.Salvatores, G.Palmiotti, I.Kodeli, B.Kiedrowski, D.Roubtsov, I.Thompson, S.Quaglioni, H.I.Kim, Y.O.Lee, U.Fischer, S.Simakov, M.Dunn, K.Guber, J.I.Marquez Damian, F.Cantargi, I.Sirakov, N.Otuka, A.Daskalakis, B.J.McDermott, S.C.van der Marck

CIELO Collaboration Summary Results: International Evaluations of Neutron Reactions on Uranium, Plutonium, Iron, Oxygen and Hydrogen

NUCLEAR REACTIONS 1H, 16O, 56Fe, 235,238U, 239Pu(n, X), E<20 MeV; analyzed available data; calculated σ, σ(θ), σ(θ, E).

doi: 10.1016/j.nds.2018.02.003
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2017SI01      Nucl.Data Sheets 139, 138 (2017)

M.Sin, R.Capote, M.W.Herman, A.Trkov

Modelling Neutron-induced Reactions on 232-237U from 10 keV up to 30 MeV

NUCLEAR REACTIONS 232,233,234,235,236,237U(n, X), E=0.01-30 MeV; calculated σ using EMPIRE nuclear model code and RIPL library. Comparison with available data.

doi: 10.1016/j.nds.2017.01.003
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2016SI08      Phys.Rev. C 93, 034605 (2016)

M.Sin, R.Capote, M.W.Herman, A.Trkov

Extended optical model for fission

NUCLEAR REACTIONS 238U, 239Pu(n, F), E=0.001-7 MeV; calculated fission σ(E) considering partial and full damping for class-II vibrational states. 234,235U(n, F), E=0.001-7 MeV; calculated fission σ(E) considering full damping for class-II vibrational states, and different degrees of damping for class-III vibrational states associated with partial absorption for discrete and continuum fission channel spectrum, partial absorption for discrete and full absorption for continuum fission channel spectrum, and total absorption for discrete and continuum fission channel spectrum. Comparison with Neutron Standards least-squares fit of available experimental data from EXFOR database. Extension of the optical model for fission. Relevance to CIELO and CHANDA international collaborative projects for evaluated reaction libraries.

doi: 10.1103/PhysRevC.93.034605
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2014BR09      Nucl.Data Sheets 118, 144 (2014)

D.A.Brown, R.Arcilla, R.Capote, S.F.Mughabghab, M.W.Herman, A.Trkov, H.I.Kim

Zirconium Evaluations for ENDF/B-VII.2 for the Fast Region

COMPILATION 90,91,92,93,94,95,96Zr(n, x), E=0=20 MeV; calculated, evaluated σ, σ(θ) including resonance region using EMPIRE-3.1 code. Compared with available data and evaluated databases.

doi: 10.1016/j.nds.2014.04.021
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2012PR16      Nucl.Phys.News 22, 23 (2012)

B.Pritychenko, M.W.Herman

National Nuclear Data Center: A Worldwide User Facility

NUCLEAR REACTIONS 96Mo, 100Ru, 104Pd, 110Cd, 116Sn, 122,123,124Te, 128,130Xe, 134,136Ba, 142Nd, 148,150Sm, 154Gd, 160Dy, 176Hf, 198Hg, 204Pb(n, γ), E=30 keV; calculated Maxwellian-averaged σ and their uncertainties. ENDF/B-VII.1 evaluated library covariances, s-process.

doi: 10.1080/10619127.2012.683724
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2006PR20      Ann.Nucl.Energy 33, 390 (2006)

B.Pritychenko, A.A.Sonzogni, D.F.Winchell, V.V.Zerkin, R.Arcilla, T.W.Burrows, C.L.Dunford, M.W.Herman, V.McLane, P.Oblozinsky, Y.Sanborn, J.K.Tuli

Nuclear reaction and structure data services of the National Nuclear Data Center

doi: 10.1016/j.anucene.2005.10.004
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