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NSR database version of April 27, 2024.

Search: Author = D.G.Medvedev

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

2019DE14      Radiochim.Acta 107, 279 (2019)

A.J.DeGraffenreid, D.G.Medvedev, T.E.Phelps, M.D.Gott, S.V.Smith, S.S.Jurisson, C.S.Cutler

Cross-section measurements and production of ⁷²Se with medium to high energy protons using arsenic containing targets

NUCLEAR REACTIONS ⁷⁵As(p, xn)⁷²Se/⁷⁵Se, E=52-105 MeV; measured reaction products; deduced σ. Comparison with TALYS 1.4 and EMPIRE 3.1 (Rivoli) nuclear model code calculations.

doi: 10.1515/ract-2018-2931
Citations: PlumX Metrics

2016GR18      Appl.Radiat.Isot. 118, 366 (2016)

J.R.Griswold, D.G.Medvedev, J.W.Engle, R.Copping, J.M.Fitzsimmons, V.Radchenko, J.C.Cooley, M.E.Fassbender, D.L.Denton, K.E.Murphy, A.C.Owens, E.R.Birnbaum, K.D.John, F.M.Nortier, D.W.Stracener, L.H.Heilbronn, L.F.Mausner, S.Mirzadeh

Large scale accelerator production of ²²⁵Ac: Effective cross sections for 78-192 MeV protons incident on ²³²Th targets

NUCLEAR REACTIONS ²³²Th(p, X)²²⁵Ac/²²⁶Ac/²²⁷Ac/²²⁷Th/²²⁸Th/⁹⁹Mo/¹⁴⁰Ba/¹³⁹Ce/¹⁴¹Ce/¹⁴³Ce/¹⁴⁴Ce, E=78-192 MeV; measured reaction products, Eγ, Iγ; deduced effective production σ, yields. Comparison with available data.

doi: 10.1016/j.apradiso.2016.09.026
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2251.

2011ME10      J.Labelled Compd.Radiopharm. Supp.1., 54, S236 (2011)

D.G.Medvedev, L.F.Mausner, S.O.Kurczak, S.Srivastava

Overview of the development of large scale production of ⁸⁶Y at Brookhaven Linac Isotope Producer

NUCLEAR REACTIONS ⁸⁸Sr(p, 2n), ⁸⁶Sr(p, n), E=16.6-45.5 MeV; measured reaction products, Eγ, Iγ; deduced yields.

2011ME16      Radiochim.Acta 99, 755 (2011)

D.G.Medvedev, L.F.Mausner, S.C.Srivastava

Irradiation of strontium chloride targets at proton energies above 35 MeV to produce PET radioisotope Y-86

NUCLEAR REACTIONS ⁸⁸Sr(p, 3n), (p, xn)⁸⁵Y/⁸⁶Y/⁸⁷Y/⁸⁸Y, E=37 MeV; measured reaction products; deduced ⁸⁶Y production yields. Chemical separation methods.

doi: 10.1524/ract.2011.1880
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1954.