NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.H.Landrum Found 28 matches. 2009OG02 Phys.Rev. C 79, 024603 (2009) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, S.N.Dmitriev, R.A.Henderson, K.J.Moody, J.M.Kenneally, J.H.Landrum, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Attempt to produce element 120 in the 244Pu+58Fe reaction NUCLEAR REACTIONS 244Pu(58Fe, xn)298120/299120, E=330.4 MeV;measured α-particle spectra, (evaporation residues)α-coin, and upper limit of production cross section for Z=120 element. No decay chains for 298120 and 299120 were observed.
doi: 10.1103/PhysRevC.79.024603
2007OG02 Phys.Rev. C 76, 011601 (2007) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, R.A.Henderson, J.M.Kenneally, J.H.Landrum, K.J.Moody, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Synthesis of the isotope 282113 in the 237Np+48Ca fusion reaction NUCLEAR REACTIONS 237Np(48Ca, 3n)282Nh, E=244 MeV; measured Eα, production cross section and T1/2.
doi: 10.1103/PhysRevC.76.011601
2007ST18 Nucl.Phys. A787, 388c (2007) N.J.Stoyer, J.H.Landrum, P.A.Wilk, K.J.Moody, J.M.Kenneally, D.A.Shaughnessy, M.A.Stoyer, J.F.Wild, R.W.Lougheed, S.N.Dmitriev, Yu.Ts.Oganessian, S.V.Shishkin, N.V.Aksenov, E.E.Tereshatov, G.A.Bozhikov, G.K.Vostokin, V.K.Utyonkov, A.A.Yeremin Chemical Identification of a Long-Lived Isotope of Dubnium, a Descendant of Element 115 NUCLEAR REACTIONS 238U(48Ca, 3n), E=247 MeV; measured super heavy element yield, Eα, Iα; analyzed production σ. Detailed chemical analysis procedure given. NUCLEAR STRUCTURE 268Db, 272Bh, 276Mt, 280Rg, 284Nh, 288Mc; analyzed superheavy element production and decay data. RADIOACTIVITY 268Db(SF); 272Bh, 276Mt, 280Rg, 284Nh, 288Mc(α); measured Eα, E(fragment), T1/2.
doi: 10.1016/j.nuclphysa.2006.12.060
2006OG05 Phys.Rev. C 74, 044602 (2006) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, K.J.Moody, J.B.Patin, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk, J.M.Kenneally, J.H.Landrum, J.F.Wild, R.W.Lougheed Synthesis of the isotopes of elements 118 and 116 in the 249Cf and 245Cm + 48Ca fusion reactions NUCLEAR REACTIONS 245Cm(48Ca, 2n), (48Ca, 3n), E=249, 255 MeV; 249Cf(48Ca, 3n), E=251 MeV; measured Eα, αα-coin, fission fragment spectra following residual nucleus decay; deduced σ. RADIOACTIVITY 294Og, 290,291Lv, 286,287Fl, 283Cn, 279Ds, 275Hs, 271Sg(α) [from 245Cm, 249Cf(48Ca, xn) and subsequent decay]; measured Eα, T1/2. 282Cn, 267Rf(SF) [from α-decay of 286Rf and 271Sg]; measured fission fragment spectra, T1/2.
doi: 10.1103/PhysRevC.74.044602
2002LO18 Radiochim.Acta 90, 833 (2002) R.W.Lougheed, W.Webster, M.N.Namboodiri, D.R.Nethaway, K.J.Moody, J.H.Landrum, R.W.Hoff, R.J.Dupzyk, J.H.McQuaid, R.Gunnink, E.D.Watkins 239Pu and 241Am (n, 2n) cross-section measurements near En=14 MeV NUCLEAR REACTIONS 239Pu, 241Am(n, 2n), E=13.7-15.1 MeV; measured σ. Activation technique. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13883. 1990HO02 Phys.Rev. C41, 484 (1990) R.W.Hoff, S.Drissi, J.Kern, W.Strassmann, H.G.Borner, K.Schreckenbach, G.Barreau, W.D.Ruhter, L.G.Mann, D.H.White, J.H.Landrum, R.J.Dupzyk, R.F.Casten, W.R.Kane, D.D.Warner Nuclear Structure of 238Np from Neutron-Capture and α-Decay Measurements NUCLEAR REACTIONS 237Np(n, γ), E=thermal, resonance; measured Eγ, Iγ, I(ce). 238Np deduced levels, J, π, γ-multipolarity, subshell ICC ratios, band structure. Other data input. Semi-empirical model calculation. RADIOACTIVITY 242mAm(α); measured Eα, Iα, Eγ, Iγ, γγ-coin. 238Np deduced levels, J, π, γ-multipolarity, subshell ICC ratios, band structure. Other data input. Semi-empirical model calculation.
doi: 10.1103/PhysRevC.41.484
1989HU09 Phys.Rev. C40, 770 (1989) E.K.Hulet, J.F.Wild, R.J.Dougan, R.W.Lougheed, J.H.Landrum, A.D.Dougan, P.A.Baisden, C.M.Henderson, R.J.Dupzyk, R.L.Hahn, M.Schadel, K.Summerer, G.R.Bethune Spontaneous Fission Properties of 258Fm, 259Md, 260Md, 258No, and 260[104]: Bimodal fission RADIOACTIVITY 258Fm, 258No, 259,260Md, 260Rf(SF); measured fission fragment mass, kinetic energy distributions; deduced fission features.
doi: 10.1103/PhysRevC.40.770
1986HU01 Phys.Rev.Lett. 56, 313 (1986) E.K.Hulet, J.F.Wild, R.J.Dougan, R.W.Lougheed, J.H.Landrum, A.D.Dougan, M.Schadel, R.L.Hahn, P.A.Baisden, C.M.Henderson, R.J.Dupzyk, K.Summerer, G.R.Bethune Bimodal Symmetric Fission Observed in the Heaviest Elements RADIOACTIVITY 258Fm(SF); 258m,259,260Md(SF) [from 254Es(18O, X), E=105 MeV; 254Es(22Ne, X), E=16 MeV]; 258No(SF) [from 248Cm(13C, X), E=81 MeV]; 260Rf(SF) [from 249Bk(15N, X), E=81 MeV]; measured fission fragment mass, kinetic energy partitioning; deduced bimodal symmetric fission evidence.
doi: 10.1103/PhysRevLett.56.313
1986SC10 Phys.Rev. C33, 1547 (1986) M.Schadel, W.Bruchle, M.Brugger, H.Gaggeler, K.J.Moody, D.Schardt, K.Summerer, E.K.Hulet, A.D.Dougan, R.J.Dougan, J.H.Landrum, R.W.Lougheed, J.F.Wild, G.D.O'Kelley Transfer Cross Sections from Reactions with 254Es as a Target NUCLEAR REACTIONS, ICPND 254Es(16O, X), E=98 MeV; measured production σ for No, Lr isotopes. 254Es(18O, X)260Md/261Md/260No/261No/262No/261Lr/262Lr/263Lr, E=98 MeV; 254Es(22Ne, X)260Md/261Md/260No/261No/262No/261Lr/262Lr/263Lr, E=127 MeV; measured residual production σ. Activation technique.
doi: 10.1103/PhysRevC.33.1547
1985LO13 Phys.Rev. C32, 1760 (1985) R.W.Lougheed, J.H.Landrum, E.K.Hulet, J.F.Wild, R.J.Dougan, A.D.Dougan, H.Gaggeler, M.Schadel, K.J.Moody, K.E.Gregorich, G.T.Seaborg Search for Superheavy Elements using the 48Ca + 254gEs Reaction NUCLEAR REACTIONS 254Es(48Ca, X)211At/209At/212Pb, E=240, 249 MeV; measured residuals, superheavy production σ. Aqueous, gas phase separation technique.
doi: 10.1103/PhysRevC.32.1760
1985WI10 Phys.Rev. C32, 488 (1985) J.F.Wild, P.A.Baisden, R.J.Dougan, E.K.Hulet, R.W.Lougheed, J.H.Landrum Light-Charged-Particle Emission in the Spontaneous Fission of 250Cf, 256Fm, and 257Fm RADIOACTIVITY 250Cf, 256Fm, 257Fm(SF); measured σ(Eα) following fission; deduced α-, t-, p-, total light particle emission probabilities.
doi: 10.1103/PhysRevC.32.488
1984BR10 Phys.Rev. C29, 2188 (1984) J.C.Browne, R.M.White, R.E.Howe, J.H.Landrum, R.J.Dougan, R.J.Dupzyk 242mAm Fission Cross Section NUCLEAR REACTIONS 242mAm(n, F), E ≈ 0.001 eV-20 MeV; measured fission σ(E). 243Am deduced resonaces, Γn, ΓF, average level spacing, s-wave strength function. Breit-Wigner single level sum analysis.
doi: 10.1103/PhysRevC.29.2188
1983HI03 Phys.Rev. C27, 2203 (1983) H.G.Hicks, J.H.Landrum, E.A.Henry, R.A.Meyer, S.Brant, V.Paar Population of 133I from the Beta Decay of Fission Product 133gTe and the Cluster-Vibration Model NUCLEAR STRUCTURE 133I; calculated levels, B(λ), branching ratios, static quadrupole moment, μ. RADIOACTIVITY 133Te(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin; deduced log ft. 133I deduced levels, J, π, β-branching, γ-branching, B(λ). Cluster vibration model. Hyperpure Ge, Ge(Li) detectors.
doi: 10.1103/PhysRevC.27.2203
1983HO21 Nucl.Phys. A407, 193 (1983) R.E.Howe, R.M.White, J.C.Browne, J.H.Landrum, R.J.Dougan, R.W.Lougheed, R.J.Dupzyk Measurement of the Prompt Fission Neutron Multiplicity from the 245Cm(n, f) and 242mAm(n, f) Reactions NUCLEAR REACTIONS 245Cm(n, F), E=0.00005-14000 keV; 242mAm(n, F), E=14 MeV; measured prompt fission neutron multiplicity.
doi: 10.1016/0375-9474(83)90314-7
1982WI08 Phys.Rev. C26, 1531 (1982) J.F.Wild, E.K.Hulet, R.W.Lougheed, P.A.Baisden, J.H.Landrum, R.J.Dougan, M.G.Mustafa Unusually Low Fragment Energies in the Symmetric Fission of 259Md RADIOACTIVITY 259No(EC), (α) [from 248Cm(18O, 3nα)]; measured α-decay T1/2. 259Md(SF) [from 259No(EC-decay)]; measured T1/2, (fragment)(fragment)-coin; deduced SF-decay upper limit, fragment mass, total kinetic energy distributions.
doi: 10.1103/PhysRevC.26.1531
1981HO08 Nucl.Sci.Eng. 77, 454 (1981) R.E.Howe, J.C.Browne, R.J.Dougan, R.J.Dupzyk, J.H.Landrum Fission Neutron Multiplicity for the 242mAm(n, f) Reaction NUCLEAR REACTIONS, Fission 242mAm(n, F), E=0.037-30 MeV; measured neutron multiplicity vs E. Semiempirical model. Liquid benzene scintillator, tof.
doi: 10.13182/NSE81-A18958
1981NI01 Nucl.Phys. A352, 138 (1981) J.M.Nitschke, M.Fowler, A.Ghiorso, R.E.Leber, M.E.Leino, M.J.Nurmia, L.P.Somerville, K.E.Williams, E.K.Hulet, J.H.Landrum, R.W.Lougheed, J.F.Wild, C.E.Bemis, Jr., R.J.Silva, P.Eskola Search for an 80 ms Spontaneous Fission Activity in Bombardments of 249Bk with 15N NUCLEAR REACTIONS, Fission 249Bk(15N, X), E=78, 82, 86, 88, 100 MeV; measured σ(E), spontaneous fission T1/2. 260Rf deduced no evidence for 80 ms spontaneous fission decay.
doi: 10.1016/0375-9474(81)90564-9
1980HO04 Phys.Rev. C21, 972 (1980) D.C.Hoffman, J.B.Wilhelmy, J.Weber, W.R.Daniels, E.K.Hulet, R.W.Lougheed, J.H.Landrum, J.F.Wild, R.J.Dupzyk 12.3-min 256Cf and 43-min 258Md and Systematics of the Spontaneous Fission Properties of Heavy Nuclides RADIOACTIVITY 256Cf(SF) [from 254Cf(t, p), E=16 MeV]; measured T1/2, (fragment)(fragment)-coin; deduced total kinetic energy, mass distribution. 258Md[from 255Es(α, n), E=26.3 MeV]; measured T1/2. 258Fm (SF) [from ϵ decay of 258Md]; measured (fragment)(fragment)-coin; deduced total kinetic energy, mass distribution.
doi: 10.1103/PhysRevC.21.972
1980HU03 Phys.Rev. C21, 966 (1980) E.K.Hulet, R.W.Lougheed, J.H.Landrum, J.F.Wild, D.C.Hoffman, J.Weber, J.B.Wilhelmy Spontaneous Fission of 259Fm NUCLEAR REACTIONS 257Fm(t, p), E=16 MeV; measured σ, (fragment)(fragment)-coin. 259Fm deduced SF isomer, T1/2, fragment mass distribution.
doi: 10.1103/PhysRevC.21.966
1978IL01 Phys.Lett. 78B, 209 (1978) J.D.Illige, E.K.Hulet, J.M.Nitschke, R.J.Dougan, R.W.Lougheed, A.Ghiorso, J.H.Landrum Search for Volatile Superheavy Elements from the Reaction 248Cm + 48Ca NUCLEAR REACTIONS 248Cm(48Ca, X), E=267 MeV; measured σ for α-, SF-decay fragments; deduced no volatile superheavy elements with T1/2=1 sec-4.17 days.
doi: 10.1016/0370-2693(78)90007-2
1978LO13 J.Inorg.Nucl.Chem. 40, 1865 (1978) R.W.Lougheed, J.F.Wild, E.K.Hulet, R.W.Hoff, J.H.Landrum A New Isotope of Curium and its Decay Properties: 251Cm RADIOACTIVITY 251Cm [from 250Cm(n, γ)]; measured T1/2, Eγ, Iγ, Qβ-, Eβ. 251Bk deduced levels, J, K, π.
doi: 10.1016/0022-1902(78)80244-9
1978WI12 S.Afr.J.Phys. 1, 116 (1978) J.B.Wilhelmy, H.C.Britt, D.C.Hoffman, W.R.Daniels, E.Cheifetz, A.Gavron, J.Weber, E.K.Hulet, J.H.Landrum, R.W.Lougheed, J.F.Wild Fission Properties of the Heavy Actinides NUCLEAR REACTIONS 254Es(d, pF), (t, pF), E not given; measured fission barriers. RADIOACTIVITY, Fission 256Cf(SF) [from 254Cf(t, p)]; 258Fm(SF) [from 255Es(α, n)258Md+electron capture]; 259Fm(SF) [from 257Fm(t, p)]; measured fragment mass distribution, average kinetic energy release.
1977HU04 Phys.Rev.Lett. 39, 385 (1977) E.K.Hulet, R.W.Lougheed, J.F.Wild, J.H.Landrum, P.C.Stevenson, A.Ghiorso, J.M.Nitschke, R.J.Otto, D.J.Morrissey, P.A.Baisden, B.F.Gavin, D.Lee, R.J.Silva, M.M.Fowler, G.T.Seaborg Search for Superheavy Elements in the Bombardment of 248Cm with 48Ca NUCLEAR REACTIONS 248Cm(48Ca, X), E=267 MeV; measured σ for formation of superheavy elements.
doi: 10.1103/PhysRevLett.39.385
1976ME07 Phys.Rev. C13, 1617 (1976) R.A.Meyer, J.H.Landrum, S.V.Jackson, W.H.Zoller, W.B.Walters Three-Particle One-Hole Configurations in Odd-Odd 134I and the Decay of 134Te RADIOACTIVITY 134Te; measured Eγ, Iγ, γγ-coin. 134I deduced levels, J, π.
doi: 10.1103/PhysRevC.13.1617
1976ME16 Phys.Rev. C14, 1152 (1976) R.A.Meyer, F.F.Momyer, J.H.Landrum, E.A.Henry, R.P.Yaffe, W.B.Walters Levels of Odd-Mass Xe Populated in the Beta Decay of 129Cs and 133I RADIOACTIVITY 129Cs, 133I; measured Eγ, Iγ, γγ-coin; deduced log ft. 129,133Xe deduced levels, J, π.
doi: 10.1103/PhysRevC.14.1152
1973LA28 Phys.Rev. C8, 1938 (1973) J.H.Landrum, R.J.Nagle, M.Lindner (n, 2n) Cross Sections for 238U and 237Np in the Region of 14 MeV NUCLEAR REACTIONS 237Np, 238U(n, 2n), E=13.7-14.9 MeV; measured σ, production σ for 237U, 236Pu.
doi: 10.1103/PhysRevC.8.1938
1972MC25 Z.Phys. 255, 335 (1972) J.C.McGeorge, D.W.Nix, R.W.Fink, J.H.Landrum L-Subshell Fluorescence and Coster-Kronig Yields at Z = 92 and the Decay of 235Np RADIOACTIVITY 235Np; measured (K X-ray)(L X-ray)-coin, L/K EC ratio deduced Q(EC), Pl/Pk, Pk. U deduced L-subshell fluorescence, Coster-Kronig yields.
doi: 10.1007/BF01392538
1970LA08 J.Inorg.Nucl.Chem. 32, 2131 (1970) Mass-Spectrometric Determination of the Half-Life of Neptunium-235 RADIOACTIVITY 235Np; measured T1/2. Mass-spectrometric method.
doi: 10.1016/0022-1902(70)80488-2
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