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NSR database version of May 10, 2024.

Search: Author = M.Brown

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2018BR06      Phys.Rev. C 97, 035505 (2018)

M.A.-P.Brown, for the UCNA Collaboration

New result for the neutron β-asymmetry parameter A0 from UCNA

RADIOACTIVITY 1n(β-); measured neutrons, β, nβ(θ) using polarized neutrons from Ultracold Neutron (UCN) source at Los Alamos Neutron Science Center (LANSC, LANL); deduced precise value A0 neutron-β- asymmetry parameter, ratio of weak axial-vector to vector coupling constants gA/gV, and Cabibbo-Kobayashi-Maskawa (CKM) matrix element Vud for 0+ 0+ superallowed β transitions; discussed systematic uncertainties. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.97.035505
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2016LI42      Phys.Rev. C 94, 024616 (2016)

J.F.Liang, J.M.Allmond, C.J.Gross, P.E.Mueller, D.Shapira, R.L.Varner, M.Dasgupta, D.J.Hinde, C.Simenel, E.Williams, K.Vo-Phuoc, M.L.Brown, I.P.Carter, M.Evers, D.H.Luong, T.Ebadi, A.Wakhle

Examining the role of transfer coupling in sub-barrier fusion of 46, 50Ti + 124Sn

NUCLEAR REACTIONS 46,50Ti(124Sn, X), E(cm)=120-154 MeV; 124Sn(46Ti, X), (50Ti, X), E(cm)=116-140 MeV; measured evaporation residues (ERs), fusion σ(E) for the 124Sn beam at HRIBF-ORNL facility, and 46,50Ti beams at ANU 14UD tandem accelerator facility. Comparison of experimental reduced σ(E) values and reduced barrier distributions for 40,48Ca+96Zr, 40,48Ca+124Sn, 40,48Ca+132Sn, 46,50Ti+124Sn, 58,64Ni+124Sn 58,64Ni+132Sn and 64Ni+118Sn reactions. Comparison with coupled-channel calculations using CCFULL code.

doi: 10.1103/PhysRevC.94.024616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2240.

2013MA39      Phys.Rev. C 87, 054613 (2013)

S.MacMullin, M.Kidd, R.Henning, W.Tornow, C.R.Howell, M.Brown

Measurement of the elastic scattering cross section of neutrons from argon and neon

NUCLEAR REACTIONS 20Ne(n, n), E=5.0, 8.0 MeV; 40Ar(n, n), E=6.0 MeV; measured neutron and γ-ray spectra, TOF, σ, differential σ(θ) using liquid scintillator detectors at TUNL facility. Spherical optical model (SOM) analysis of experimental data using the GENOA computer code. Comparison with Koning and Delaroche local optical-model parameters, and with ENDF/B-VII.0 parameters. Relevance to neutron background contributions in direct dark matter searches. Accurate data for benchmarking global optical models. Improved cross-section libraries for the GEANT4 simulation code.

doi: 10.1103/PhysRevC.87.054613
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14371.

2013OL02      Phys.Rev.Lett. 110, 222501 (2013)

E.Olsen, M.Pfutzner, N.Birge, M.Brown, W.Nazarewicz, A.Perhac

Landscape of Two-Proton Radioactivity

RADIOACTIVITY 19Mg, 45Fe, 48Ni, 54Zn, 57,58,59Ge, 62,63Se, 66,67Kr, 71Sr, 102,103Te, 73Zr, 77Mo, 81Ru, 85Pd, 113Ce, 117Nd, 121Sm, 125,126Gd, 130Dy, 133,134,135Er, 138,139Yb, 151,152Os, 154,155,156Pt, 158,159Hg, 109,110Ba, 114Ce, 127Gd, 131Dy, 144,145Hf, 147,148,149W(2p); analyzed available data; deduced list of candidates and competition between 2p- and α-decay modes. Nuclear density functional theory (DFT) with several Skyrme energy density functionals (EDFs).

doi: 10.1103/PhysRevLett.110.222501
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2012LI03      Phys.Rev. C 85, 014611 (2012); Erratum Phys.Rev. C 96, 029901 (2017)

C.J.Lin, R.du Rietz, D.J.Hinde, M.Dasgupta, R.G.Thomas, M.L.Brown, M.Evers, L.R.Gasques, M.D.Rodriguez

Systematic behavior of mass distributions in 48Ti-induced fission at near-barrier energies

NUCLEAR REACTIONS 144,154Sm, 162Dy, 174Yb, 186W, 192Os, 196Pt, 200Hg, 208Pb(48Ti, F), E=206-296 MeV; measured fission fragment spectra (fragment)(fragment)-coin, fission yields; deduced mass-ratio distributions, mass widths as functions of excitation energy of compound nucleus, and excitation energies at saddle and scission points, mass-width enhancement factors. Comparison with saddle-point and scission-point model calculations.

doi: 10.1103/PhysRevC.85.014611
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2012ST20      Phys.Rev. C 86, 065208 (2012)

F.M.Steffens, M.D.Brown, W.Melnitchouk, S.Sanches

Parton distributions in the presence of target mass corrections

doi: 10.1103/PhysRevC.86.065208
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2008EV01      Phys.Rev. C 78, 034614 (2008)

M.Evers, M.Dasgupta, D.J.Hinde, L.R.Gasques, M.L.Brown, R.Rafiei, R.G.Thomas

Systematic study of the nuclear potential diffuseness through high precision back-angle quasi-elastic scattering

NUCLEAR REACTIONS 144,154Sm, 166Er, 186W, 197Au, 208Pb(16O, 16O), E=17-26 MeV; measured yields, σ(θ), diffuseness parameter. Coupled-channel calculations.

doi: 10.1103/PhysRevC.78.034614
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2008HI07      Phys.Rev.Lett. 100, 202701 (2008)

D.J.Hinde, R.G.Thomas, R.du Rietz, A.Diaz-Torres, M.Dasgupta, M.L.Brown, M.Evers, L.R.Gasques, R.Rafiei, M.D.Rodriguez

Disentangling Effects of Nuclear Structure in Heavy Element Formation

NUCLEAR REACTIONS 186W(46Ti, X), 184W(48Ti, X), 182W(50Ti, X), E=222-241 MeV; measured232Cm compound nucleus mass-angle distributions, mass ratio distributions, fission cross sections; model independent analysis; shell structure effects; comparison with FRLDM calculations.

doi: 10.1103/PhysRevLett.100.202701
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2008RA07      Phys.Rev. C 77, 024606 (2008)

R.Rafiei, R.G.Thomas, D.J.Hinde, M.Dasgupta, C.R.Morton, L.R.Gasques, M.L.Brown, M.D.Rodriguez

Strong evidence for quasifission in asymmetric reactions forming 202Po

NUCLEAR REACTIONS 186Os(16O, X)202Po, E=74-105 MeV; 178Hf(24Mg, X)202Po, E=106-144 MeV; 168Er(34S, X)202Po, E=141-174 MeV; 154Sm(48Ti, X)202Po, E=198-235 MeV; measured mass-angle correlations, mass ratio distributions, cross sections.

doi: 10.1103/PhysRevC.77.024606
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2008TH01      Phys.Rev. C 77, 034610 (2008)

R.G.Thomas, D.J.Hinde, D.Duniec, F.Zenke, M.Dasgupta, M.L.Brown, M.Evers, L.R.Gasques, M.D.Rodriguez, A.Diaz-Torres

Entrance channel dependence of quasifission in reactions forming 220Th

NUCLEAR REACTIONS 204Pb(16O, X), E=1-1.26 MeV; 186W(34S, X), E=0.95-1.25, 188.9 MeV; 166,170Er(48Ti, X), (50Ti, X), E=0.95-1.25, 208.0, 245.0 MeV; measured mass-angle correlations, mass ratio distributions, standard deviation of fission fragments.

doi: 10.1103/PhysRevC.77.034610
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2007GA39      Phys.Rev. C 76, 024612 (2007)

L.R.Gasques, M.Evers, D.J.Hinde, M.Dasgupta, P.R.S.Gomes, R.M.Anjos, M.L.Brown, M.D.Rodriguez, R.G.Thomas, K.Hagino

Systematic study of the nuclear potential through high precision back-angle quasi-elastic scattering measurements

NUCLEAR REACTIONS 170Er, 186W, 197Au, 208Pb(32S, X), E=90-155 MeV; measured quasi-elastic scattering excitation functions. Compared results to single and coupled channel calculations.

doi: 10.1103/PhysRevC.76.024612
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2007HI06      Phys.Rev. C 76, 014617 (2007)

D.J.Hinde, R.L.Ahlefeldt, R.G.Thomas, K.Hagino, M.L.Brown, M.Dasgupta, M.Evers, L.R.Gasques, M.D.Rodriguez

Probing the tail of the nuclear potential between identical nuclei with quasi-elastic Mott scattering

NUCLEAR REACTIONS 58Ni(58Ni, 58Ni), E=260=220 MeV; measured angular distributions. Deduced Mott oscillations.

doi: 10.1103/PhysRevC.76.014617
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1989BA28      Phys.Rev. C40, 940 (1989)

S.C.Baker, M.J.Brown, P.H.Barker

Energy of the Superallowed Positron Decay of 10C

NUCLEAR REACTIONS 10B(p, n), E ≈ 4.88 MeV; measured yield curve, Eγ, Iγ; deduced reaction threshold energy. 10C deduced decay Eγ, superallowed β+-decay energy.

RADIOACTIVITY 10C(β+) [from 10B(p, n), E ≈ 4.88 MeV]; measured Eγ; deduced Qβ. 10B deduced transition Eγ. Reaction threshold measurements.

doi: 10.1103/PhysRevC.40.940
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1989SI05      Phys.Rev. A39, 3884 (1989)

D.G.Simons, J.L.Price, D.J.Land, M.D.Brown

K-Shell Ionization Cross Sections for Targets from Z = 21 to Z = 47 Induced by He Ions and by Protons in the Energy Range 0.2-2.5 MeV/u

NUCLEAR REACTIONS Ti, V, Cr, Co, Ni, Cu, Zn(3He, X), E=0.175-1.6 MeV/nucleon; measured absolute K-shell X-ray production σ; deduced K-shell ionization σ.

ATOMIC PHYSICS Ti, V, Cr, Co, Ni, Cu, Zn(3He, X), E=0.175-1.6 MeV/nucleon; measured absolute K-shell X-ray production σ; deduced K-shell ionization σ.

doi: 10.1103/PhysRevA.39.3884
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1987MO07      Phys.Rev. C35, 1388 (1987)

C.L.Morris, S.J.Seestrom-Morris, D.Dehnhard, C.L.Blilie, R.Gilman, G.P.Gilfoyle, J.D.Zumbro, M.G.Burlein, S.Mordechai, H.T.Fortune, L.C.Bland, M.Brown, D.P.Saunders, P.A.Seidl, C.F.Moore, K.Maeda, G.S.Blanpied, B.A.Brown

Neutron and Proton Matrix Elements for 2+1 Transitions in T = 1 Nuclei from Pion Inelastic Scattering

NUCLEAR REACTIONS 18O, 22Ne, 26Mg, 30Si, 34S(π+, π+'), (π-, π-'), E=180 MeV; measured σ(θ). 18O, 22Ne, 26Mg, 30Si, 34S transitions deduced neutron, proton quadrupole matrix elements. DWIA analysis.

doi: 10.1103/PhysRevC.35.1388
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1986BU13      Nucl.Instrum.Methods Phys.Res. A247, 327 (1986)

G.R.Burleson, W.B.Cottingame, K.S.Dhuga, J.A.Faucett, C.P.Fontenla, J.F.Amann, R.L.Boudrie, S.J.Greene, C.L.Morris, N.Tanaka, Z.F.Wang, D.Yusnukis, M.Brown, R.R.Kiziah, E.C.Milner, C.F.Moore, S.Mordechai, D.Oakley, P.A.Seidl, C.L.Blilie, D.Dehnhard, S.Nanda, S.J.Seestrom-Morris, J.D.Zumbro, K.Maeda

A Large-Angle Pion-Nucleus Scattering Facility for EPICS at LAMPF

NUCLEAR REACTIONS 12C(π+, π+), E=162 MeV; 16O(π-, π-), E=114 MeV; measured σ(θ), θ=115°-180°. Energetic pion channel, spectrometer.

doi: 10.1016/0168-9002(86)91314-8
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1984KI16      Phys.Rev. C30, 1643 (1984)

R.R.Kiziah, M.D.Brown, C.J.Harvey, D.S.Oakley, D.P.Saunders, P.A.Seidl, C.F.Moore, W.B.Cottingame, R.W.Garnett, S.J.Greene, G.A.Luna, G.R.Burleson, D.B.Holtkamp

Pion Inelastic Scattering to the Low-Lying Excited States of 6Li

NUCLEAR REACTIONS 6Li(π+, π+), (π+, π+'), E=100-260 MeV; measured σ(θ); deduced reaction mechanism. 6Li levels deduced form factors. DWIA analysis.

doi: 10.1103/PhysRevC.30.1643
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1984SE14      Phys.Rev. C30, 973 (1984)

P.A.Seidl, M.D.Brown, R.R.Kiziah, C.F.Moore, H.Baer, C.L.Morris, G.R.Burleson, W.B.Cottingame, S.J.Greene, L.C.Bland, R.Gilman, H.T.Fortune

Pion Double Charge Exchange on T = 1 Nuclei

NUCLEAR REACTIONS 26Mg(π+, π-), E=164 MeV; 14C(π+, π-), E=164, 292 MeV; measured missing mass spectra, σ(θ); deduced double charge exchange mass dependence. Other data input.

doi: 10.1103/PhysRevC.30.973
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1984SE15      Phys.Rev. C30, 1076 (1984)

P.A.Seidl, M.D.Brown, R.R.Kiziah, C.F.Moore, H.Baer, C.L.Morris, G.R.Burleson, W.B.Cottingame, S.J.Greene, L.C.Bland, R.Gilman, H.T.Fortune

13C(π+, π-)13O near the Δ33 Resonance

NUCLEAR REACTIONS 13C(π+, π-), E=164, 292 MeV; measured σ(E(π), θ), missing mass spectra.

doi: 10.1103/PhysRevC.30.1076
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1983SE06      Phys.Rev.Lett. 50, 1106 (1983)

P.A.Seidl, R.R.Kiziah, M.K.Brown, C.F.Moore, C.L.Morris, H.Baer, S.J.Greene, G.R.Burleson, W.B.Cottingame, L.C.Bland, R.Gilman, H.T.Fortune

Observation of Analog and Nonanalog Transitions in the Reaction 56Fe(π+, π-)56Ni

NUCLEAR REACTIONS 56Fe(π+, π-), E=140-290 MeV; measured σ(E(π-)), σ(θ) vs E; deduced analog, nonanalog transition mass dependence. 56Ni deduced double analog, nonanalog transition relative strengths.

doi: 10.1103/PhysRevLett.50.1106
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1982BR11      Phys.Rev. A25, 2935 (1982)

M.D.Brown, D.G.Simons, D.J.Land, J.G.Brennan

K-Shell Ionization Cross Sections for Ti, Cr, Co, Ni, Cu, and Zn Targets Induced by Protons in the Energy Range 300 - 2400 keV

ATOMIC PHYSICS Ti, Cr, Co, Ni, Cu, Zn(p, X), E=300-2400 keV; measured absolute K-shell σ(ionization).

doi: 10.1103/PhysRevA.25.2935
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1982LA05      Nucl.Instrum.Methods 192, 53 (1982)

D.J.Land, M.D.Brown, D.G.Simons, J.G.Brennan

Total and Differential Cross Sections for Proton-Induced K-Shell Ionization - Comparisons of Experimental Measurements with Recent Data and with Theory

ATOMIC PHYSICS Cu, Ni(p, X), E=2 MeV; Cu(3He, X), E=3 MeV; measured K-shell ionization σ(θ); Ti, Cr, Co, Ni, Cu, Zn(p, X), E=0.3-2.4 MeV; measured K-shell ionization σ(total). Perturbed stationary state theory.

doi: 10.1016/0029-554X(82)90739-X
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1971BR26      Radiochim.Acta 15, 109 (1971)

M.G.Brown, S.J.Lyle, E.B.M.Martin

Delayed Neutron Yields from 14.8 MeV Neutron Induced Fission of 238U, 232Th and 231Pa

NUCLEAR REACTIONS, Fission 231Pa, 232Th, 238U(n, F), E=14.8 MeV; measured delayed neutron yields.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23592.

1966BR32      Radiochim.Acta 6, 16 (1966)

M.G.Brown, S.J.Lyle, G.R.Martin

Radiochemical Studies of Fission Induced by 14.7 MeV Neutrons, Part III. Protachtinium

NUCLEAR REACTIONS 231Pa(n, F), E=14.7 MeV; measured fission products; deduced fission yields of 11 nuclides.

doi: 10.1524/ract.1966.6.1.16
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23701.

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Note: The following list of authors and aliases matches the search parameter M.Brown: , M.A.BROWN, M.D.BROWN, M.G.BROWN, M.J.BROWN, M.K.BROWN, M.L.BROWN