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NSR database version of May 24, 2024.

Search: Author = A.M.Lewis

Found 12 matches.

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2023BA07      Ann.Nucl.Energy 188, 109751 (2023)

D.P.Barry, A.M.Lewis, L.Leal, J.M.Brown

A new 103Rh Unresolved Resonance Region evaluation

NUCLEAR REACTIONS 103Rh(n, X), E=8-40.146 keV; analyzed available data; deduced Unresolved Resonance Region (URR) σ, average neutron strength function, average spacing, average radiative width, average reduced neutron width, reduced neutron width, resonance parameters using SAMMY fitting.

doi: 10.1016/j.anucene.2023.109751
Citations: PlumX Metrics


2023LE04      Eur.Phys.J. A 59, 42 (2023)

R.Lewis, A.Couture, S.N.Liddick, A.Spyrou, D.L.Bleuel, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, T.Kawano, A.C.Larsen, A.M.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem

Statistical (n, γ) cross section model comparison for short-lived nuclei

NUCLEAR REACTIONS 73Zn(n, γ), E<1 MeV; calculated σ using TALYS, EMPIRE, and CoH, level densities, γ-ray strength function. Comparison with experimental data.

doi: 10.1140/epja/s10050-023-00920-0
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2021FO05      Phys.Rev. C 103, 034601 (2021)

M.B.Fox, A.S.Voyles, J.T.Morrell, L.A.Bernstein, A.M.Lewis, A.J.Koning, J.C.Batchelder, E.R.Birnbaum, C.S.Cutler, D.G.Medvedev, F.M.Nortier, E.M.O'Brien, C.Vermeulen

Investigating high-energy proton-induced reactions on spherical nuclei: Implications for the preequilibrium exciton model

NUCLEAR REACTIONS 93Nb(p, X)72Se/73As/74As/75Se/81Rb/82mRb/83Rb/83Sr/84Rb/85mY/86Rb/86Y/86Zr/87Y/87mY/88Y/88Zr/89Zr/90Nb/90Mo/91mNb/92mNb/93mNb, E=192.38, 177.11, 163.31, 148.66, 133.87, 119.8, 104.2, 91.21, 79.32, 72.52, 67.14, 63.06, 60.08, 57.47, 55.58, 53.62, 51.61 MeV; 93Nb(p, 4n)90Mo, (p, 3np)90Nb, (p, nα)89Zr, (p, 3n2p)89Zr, (p, 3npα)86Y, (p, 2α)88Zr, (p, n)93mMo, (p, np)92mNb, (p, 3nα)87Zr, (p, npα)88Y, (p, 4nα)86Zr, (p, 4np)89Nb, (p, 2npα)87Y, (p, np2α)84Rb, E=25-200 MeV; 139La(p, 5n)135Ce, (p, 6n)134Ce, (p, 4np)135La, (p, 7n)133mCe, (p, 3nα)133Ba/133mBa, (p, 3n)137Ce/137mCe, (p, n)139Ce, (p, 8n)132Ce, (p, 6np)133La, (p, 3npα)132Cs, (p, 5nα)131Ba, E=20-100 MeV; measured Eγ, Iγ, σ(E) by activation method in a Tri-lab collaboration among the Lawrence Berkeley, Los Alamos, and Brookhaven National Laboratories. Comparison with literature data, and with calculations of the nuclear model codes: TALYS, CoH, EMPIRE, and ALICE; deduced best parametrization for the preequilibrium two-component exciton model.

doi: 10.1103/PhysRevC.103.034601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2631.


2021FO13      Phys.Rev. C 104, 064615 (2021)

M.B.Fox, A.S.Voyles, J.T.Morrell, L.A.Bernstein, J.C.Batchelder, E.R.Birnbaum, C.S.Cutler, A.J.Koning, A.M.Lewis, D.G.Medvedev, F.M.Nortier, E.M.O'Brien, Ch.Vermeulen

Measurement and modeling of proton-induced reactions on arsenic from 35 to 200 MeV

NUCLEAR REACTIONS 75As(p, X)56Co/57Co/58Co/60Co/65Zn/69mZn/66Ga/67Ga/68Ga/72Ga/66Ge/68Ge/69Ge/70As/71As/72As/73As/74As/72Se/73Se/75Se, E=35-200 MeV; Cu(p, X)44mSc/46Sc/47Sc/48V/48Cr/49Cr/51Cr/52Mn/54Mn/56Mn/55Co/56Co/57Co/60Co/56Ni/57Ni/59Fe/60Cu/61Cu/64Cu/62Zn/63Zn/65Zn, E=35-200 MeV; Ti(p, X)42K/43K/43Sc/44Sc/44mSc/46Sc/47Sc/48Sc/44Ti/47Ca/48V, E=35-200 MeV; measured production σ(E) using stacked-target technique, and off-line γ-ray spectrometry, Eγ, Iγ at the LBNL 88-Inch Cyclotron for E(p)<55 MeV, at LANL, IPF for E(p)=50-100 MeV, and at BNL, BLIP for E(p)=100-200 MeV. 75As(p, 4n)72Se, (p, 3n)73Se, (p, 3np)72As, (p, X)56Co/57Co/58Co/60Co/65Zn/69mZn/66Ga/67Ga/68Ga/72Ga/66Ge/68Ge/69Ge/70As/71As/73As/74As/75Se, E=25-200 MeV; Ti(p, X)44Sc/44mSc, E=10-200 MeV; Ti(p, X)42K/43K/43Sc/44Sc/44mSc/46Sc/47Sc/48Sc/47Ca/44Ti/48V, E=25-200 MeV; Cu(p, X)44mSc/46Sc/47Sc/48V/48Cr/49Cr/51Cr/52Mn/54Mn/56Mn/55Co/56Co/57Co/60Co/56Ni/57Ni/59Fe/60Cu/61Cu/64Cu/62Zn/63Zn/65Zn, E=25-200 MeV; comparison of measured s(E) in the present work and previous experiments with theoretical cross sections using ALICE-20, CoH-3.5.3, EMPIRE-3.2.3, TALYS-1.95 and TENDL-2019. 75As(p, n)75Se, (p, np)74As, E<200 MeV; 75As(p, 3n)73Se, (p, 2np)73As, (p, 4n)72Se, (p, X)71As/69Ge/68Ga/67Ga, E=25-200; TALYS default and adjusted σ(E) calculations for residual products. 75As(p, 3np)72As, (p, X)72Ga/70As/65Zn/69mZn/68Ge/66Ge/66Ga/56Co/57Co/58Co/60Co, E=25-200 MeV; TALYS default and adjusted calculations extended to residual products not used in the parameter adjustment sensitivity studies. 68,71,73As, 72,73Se, 69Ge, 67,69Ga; adjusted level density scalings in global fitting procedure for residual products. Relevance to production cross sections for positron emission tomography (PET) generator system of 72Se/72As and 68Ge/68Ga.

doi: 10.1103/PhysRevC.104.064615
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2702.


2021HU05      Nucl.Instrum.Methods Phys.Res. A995, 165095 (2021)

A.M.Hurst, L.A.Bernstein, T.Kawano, A.M.Lewis, K.Song

The Baghdad Atlas: A relational database of inelastic neutron-scattering (n, n'γ) data

NUCLEAR REACTIONS 56Fe(n, n'γ), (n, p), B, 110Pd(n, n'γ), E<15 MeV; analyzed available data from Baghdad reactor; deduced σ and uncertainties. Comparison with COH3 calculations, ENDF/B-VIII.0 and EXFOR libraries.

doi: 10.1016/j.nima.2021.165095
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14521.


2021VO05      Eur.Phys.J. A 57, 94 (2021); Erratum Eur.Phys.J. A 57, 131 (2021)

A.S.Voyles, A.M.Lewis, J.T.Morrell, M.S.Basunia, L.A.Bernstein, J.W.Engle, S.A.Graves, E.F.Matthews

Proton-induced reactions on Fe, Cu, and Ti from threshold to 55 MeV

NUCLEAR REACTIONS Fe(p, X)48Cr/48V/49Cr/51Mn/51Cr/52Fe/52Mn/54Mn/55Co/56Mn/56Co/57Co/58Co, Cu(p, X)54Mn/57Ni/57Cu/60Co/60Cu/61Co/61Cu, Ti(p, X)43K/44Sc/47Sc/48Sc, E=4-55 MeV; measured reaction products, Eγ, Iγ; deduced independent and cumulative σ. Comparison with EMPIRE, CoH, and ALICE nuclear model code calculations.

doi: 10.1140/epja/s10050-021-00401-2
Citations: PlumX Metrics


2019BA16      Phys.Rev. C 99, 044612 (2019)

J.C.Batchelder, S.-A.Chong, J.Morrell, M.A.Unzueta, P.Adams, J.D.Bauer, T.Bailey, T.A.Becker, L.A.Bernstein, M.Fratoni, A.M.Hurst, J.James, A.M.Lewis, E.F.Matthews, M.Negus, D.Rutte, K.Song, K.Van Bibber, M.Wallace, C.S.Waltz

Possible evidence of nonstatistical properties in the 35Cl (n, p) 35S cross section

NUCLEAR REACTIONS 35Cl(n, p)35S, 35Cl(n, α)32P, E=2.74, 2.64, 2.58, 2.52, 2.42 MeV; measured β radiation and decay curves from the decay of 35S and 32P, and σ(E) using liquid scintillator counter at the Berkeley High Flux Neutron Generator (BHFNG) at the University of California. 58Ni(n, p)58Co and 115In(n, n')115mIn used as references. Comparison with data in evaluated libraries: ENDF/B-VIII.0, ENDF/B-VII.1, JEFF-3.2, JENDL-4.0, and ROSFOND-2010. 36Cl; deduced resonance, σ(E). 35Cl(n, p), E=1 eV-15 MeV; 35Cl(n, α), E=0-20 MeV; comparison of literature and present experimental σ(E) with nuclear data libraries; concluded that modeling of (n, X) cross sections for N=Z=20 shell gap nuclei requires a resolved resonance approach rather than a Hauser-Feshbach formalism.

doi: 10.1103/PhysRevC.99.044612
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14556.


2019LE12      Eur.Phys.J. A 55, 141 (2019)

A.M.Lewis, L.A.Bernstein, T.Kawano, D.Neudecker

Ratio method for estimating uncertainty in calculated gamma cascades

doi: 10.1140/epja/i2019-12826-y
Citations: PlumX Metrics


2018VO05      Nucl.Instrum.Methods Phys.Res. B429, 53 (2018)

A.S.Voyles, L.A.Bernstein, E.R.Birnbaum, J.W.Engle, S.A.Graves, T.Kawano, A.M.Lewis, F.M.Nortier

Excitation functions for (p, x) reactions of niobium in the energy range of Ep=40-90 MeV

NUCLEAR REACTIONS Nb(p, X)82Rb/83Sr/85Y/86Zr/86Y/87Zr/87Y/88Zr/88Y/89Nb/89Zr/90Mo/90Nb/91Nb/92Nb/93Mo, Cu(p, X)51Cr/52Mn/54Mn/55Co/56Ni/57Ni/57Co/58Co/59Fe/60Co/61Cu/64Cu, E<100 MeV; measured reaction products, Eγ, Iγ; deduced σ and uncertainties, isomer-to-ground-state branching ratios. Comparison with the experimental data, reaction modeling codes EMPIRE, TALYS, and CoH.

doi: 10.1016/j.nimb.2018.05.028
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2327.


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