NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = J.P.Theobald Found 38 matches. 1997AL09 Phys.Rev.Lett. 78, 2313 (1997) G.D.Alkhazov, M.N.Andronenko, A.V.Dobrovolsky, P.Egelhof, G.E.Gavrilov, H.Geissel, H.Irnich, A.V.Khanzadeev, G.A.Korolev, A.A.Lobodenko, G.Munzenberg, M.Mutterer, S.R.Neumaier, F.Nickel, W.Schwab, D.M.Seliverstov, T.Suzuki, J.P.Theobald, N.A.Timofeev, A.A.Vorobyov, V.I.Yatsoura Nuclear Matter Distributions in 6He and 8He from Small Angle p-He Scattering in Inverse Kinematics at Intermediate Energy NUCLEAR REACTIONS 1H(α, α), (6He, 6He), (8He, 8He), E=674-699 MeV/nucleon; measured absolute differential σ; deduced model parameters. 6,8He deduced nuclear matter radii.
doi: 10.1103/PhysRevLett.78.2313
1996HO26 Z.Phys. A356, 299 (1996) A.Hotzel, P.Thirolf, Ch.Ender, D.Schwalm, M.Mutterer, P.Singer, M.Klemens, J.P.Theobald, M.Hesse, F.Gonnenwein, H.van der Ploeg High-Energy Gamma-Rays Accompanying the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured fragment total kinetic energy vs mass, Eγ, Iγ; deduced high energy γ production mechanism. Position sensitive double ionization chamber plus 4π γ-array.
doi: 10.1007/s002180050183
1995NE04 Nucl.Phys. A583, 799c (1995) S.Neumaier, G.D.Alkhazov, M.N.Andronenko, T.Beha, K.-H.Behr, A.Brunle, K.Burkard, A.V.Dobrovolsky, P.Egelhof, C.Fischer, G.E.Gavrilov, H.Geissel, V.I.Iatsoura, H.Irnich, A.V.Khanzadeev, G.A.Korolev, A.A.Lobodenko, P.Lorenzen, G.Munzenberg, M.Mutterer, F.Nickel, W.Schwab, D.M.Seliverstov, P.Singer, T.Suzuki, J.P.Theobald, N.A.Timofeev, A.A.Vorobyov Study of the Nucleon Density Distribution of 6He and 8He by Proton Elastic Scattering in Inverse Kinematics NUCLEAR REACTIONS 1H(α, α), E=699 MeV/nucleon; 1H(6He, 6He), E=717 MeV/nucleon; 1H(8He, 8He), E=674 MeV/nucleon; measured differential σ vs four momentum transfer. 8He deduced neutron skin evidence.
doi: 10.1016/0375-9474(94)00761-B
1995SI21 Nucl.Phys. A594, 45 (1995) P.Siegler, F.-J.Hambsch, S.Oberstedt, J.P.Theobald Fission Modes in the Compound Nucleus 238Np NUCLEAR REACTIONS 237Np(n, F), E=5.5 MeV; analyzed fission fragment total kinetic energy vs mass, dissymmetry distributions. 238Np deduced fission modes characteristics. Multi-model random neck-rupture model, potential energy calculations.
doi: 10.1016/0375-9474(95)00364-7
1994OB01 Nucl.Phys. A573, 467 (1994) S.Oberstedt, J.P.Theobald, H.Weigmann, J.A.Wartena, C.Burkholz Limits on the Half Life of the Shape Isomer in 239U NUCLEAR REACTIONS 238U(n, γ), E ≈ resonance; measured γγ(t) following capture. 239U deduced shape isomer T1/2 lower limit, fission barrier parametrization related features.
doi: 10.1016/0375-9474(94)90353-0
1994OB02 Nucl.Phys. A578, 31 (1994) S.Oberstedt, J.P.Theobald, H.Weigmann, J.A.Wartena, C.Burkholz Intermediate Structure and the Shape Isomer in 233Th NUCLEAR REACTIONS 232Th(n, γ), E=0.05-4.2 keV; measured γγ(t). 233Th deduced shape isomer T1/2 range, decay features, resonances admixture, coupling width.
doi: 10.1016/0375-9474(94)90967-9
1994SC30 Nucl.Phys. A577, 674 (1994) W.Schwab, H.-G.Clerc, M.Mutterer, J.P.Theobald, H.Faust Cold Fission of 233U(n(th), f) NUCLEAR REACTIONS 233U(n, F), E=thermal; measured light fission fragment nuclide yields at high kinetic energies; deduced yields at constant total excitation energy, ground-state yields, influence of level densities and scission barrier pentrabilities.
doi: 10.1016/0375-9474(94)90939-3
1994TH07 Yad.Fiz. 57, No 7, 1186 (1994); Phys.Atomic Nuclei 57, 1120 (1994) Shape Isomerism of Light Actinide Nuclei NUCLEAR STRUCTURE 238Np, 235,236,237U, 231,233Th, 232Pa; compiled, reviewed subthreshold neutron induced fission σ data. NUCLEAR REACTIONS 238U(n, F), E not given; measured γγ(t). 232Th(n, F), E ≤ 4 keV; measured delayed γ yield vs E.
1993RO07 Z.Phys. A345, 89 (1993) Ch.Rosel, H.Hanscheid, J.Hartfiel, R.von Mutius, J.F.M.d'Achard van Enschut, P.David, H.Janszen, T.Johansson, J.Konijn, T.Krogulski, C.T.A.M.de Laat, H.Paganetti, C.Petitjean, S.M.Polikanov, H.W.Reist, F.Risse, L.A.Schaller, L.Schellenberg, W.Schrieder, A.K.Sinha, A.Taal, J.P.Theobald, G.Tibell, N.Trautmann The Study of Prompt and Delayed Muon Induced Fission III. The Ratios of Prompt to Delayed Fission Yields NUCLEAR REACTIONS 233,234,235,236,238U, 237Np, 242,244Pu(μ-, F), E not given; measured prompt to delayed fission yields ratios, absolute probabilities; deduced fission probabilities per muon capture.
1989HA04 Nucl.Phys. A491, 56 (1989) F.-J.Hambsch, H.-H.Knitter, C.Budtz-Jorgensen, J.P.Theobald Fission Mode Fluctuations in the Resonances of 235U(n, F) NUCLEAR REACTIONS 235U(n, F), E=0.006-130 eV; measured fission fragment yield vs mass, total kinetic energy vs E(n); deduced correlations with other fission properties. 236U deduced level J, π, Γ(F).
doi: 10.1016/0375-9474(89)90206-6
1989HE15 Nucl.Instrum.Methods Phys.Res. A278, 452 (1989) P.Heeg, J.Pannicke, M.Mutterer, P.Schall, J.P.Theobald, K.Weingaertner, K.F.Hoffmann, K.Scheele, P.Zoller, G.Barreau, B.Leroux, F.Gonnenwein The Double-Torus Ionization Chamber DIOGENES for the Investigation of Charged Particle Associated Nuclear Fission NUCLEAR REACTIONS 235U, 239Pu(n, F), E=thermal; measured fission (fragment)(fragment)(θ), (fragment)α(θ). Toroidal angular position sensitive ionization chamber. RADIOACTIVITY 252Cf(SF); measured fission (fragment)(fragment)(θ), (fragment)α(θ). Toroidal angular position sensitive ionization chamber.
doi: 10.1016/0168-9002(89)90865-6
1988DA17 Z.Phys. A330, 397 (1988) P.David, H.Hanscheid, J.Hartfiel, H.Janszen, T.Mayer-Kuckuk, R.von Mutius, F.Risse, Ch.F.G.Rosel, W.Schrieder, C.Petitjean, H.W.Reist, S.M.Polikanov, J.Konijn, C.T.A.M.de Laat, A.Taal, T.Krogulski, T.Johansson, G.Tibell, J.F.M.d'Achard van Enschut, J.P.Theobald, N.Trautmann, C.Gugler, L.A.Schaller, L.Schellenberg The Study of Prompt and Delayed Muon Induced Fission II. Mean Life Times of Negative Muons Bound to 237Np, 242Pu and 244Pu NUCLEAR REACTIONS 237Np, 242,244Pu(μ-, F), E at rest; measured fission (fragment)(fragment)μ-, (fragment)(fragment)-coin; deduced muon capture rates.
1988QU05 Nucl.Phys. A487, 1 (1988) U.Quade, K.Rudolph, S.Skorka, P.Armbruster, H.-G.Clerc, W.Lang, M.Mutterer, C.Schmitt, J.P.Theobald, F.Gonnenwein, J.Pannicke, H.Schrader, G.Siegert, D.Engelhardt Nuclide Yields of Light Fission Products from Thermal-Neutron Induced Fission of 233U at Differenct Kinetic Energies NUCLEAR REACTIONS, Fission 233U(n, F), E=thermal; measured fission fragment mass, nuclear charge distributions vs kinetic energy; deduced independent, fractional independent yields, odd-even effects, average kinetic energies of the elements, reaction Q.
doi: 10.1016/0375-9474(88)90127-3
1987KO11 Phys.Rev. C35, 1646 (1987) R.Kohler, J.A.Wartena, H.Weigmann, L.Mewissen, F.Poortmans, J.P.Theobald, S.Raman Nuclear Structure of 208Pb from 207Pb + n Resonances NUCLEAR REACTIONS 207Pb(n, n), (n, γ), E=0.02-20 MeV; measured elastic scattering, capture, total σ(E). 208Pb deduced levels, J, π, resonance parameters, level density, B(M1). Enriched target.
doi: 10.1103/PhysRevC.35.1646
1987KO17 Phys.Lett. 191B, 249 (1987) P.Koczon, M.Mutterer, J.P.Theobald, P.Geltenbort, F.Gonnenwein, A.Oed, M.S.Moore Cold and ' Hot ' Fragmentation in Thermal Neutron Induced Fission of 245Cm NUCLEAR REACTIONS 245Cm(n, F), E=thermal; measured fission fragment energy, mass distributions; deduced fragmentation mechanism. Tof spectrometer.
doi: 10.1016/0370-2693(87)90249-8
1987SC13 Phys.Lett. 191B, 339 (1987) P.Schall, P.Heeg, M.Mutterer, J.P.Theobald On Symmetric Tripartition in the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured ternary fission fragment σ(θ), σ(E). Toroidal gridded ionization chamber.
doi: 10.1016/0370-2693(87)90619-8
1986CL02 Nucl.Phys. A452, 277 (1986) H.-G.Clerc, W.Lang, M.Mutterer, C.Schmitt, J.P.Theobald, U.Quade, K.Rudolph, P.Armbruster, F.Gonnenwein, H.Schrader, D.Engelhardt Cold Fragmentation in Thermal-Neutron-Induced Fission of 233U and 235U NUCLEAR REACTIONS 233,235U(n, F), E=thermal; measured light fission product mass yields at high kinetic energies; deduced influence of nucleon pairing, reaction Q.
doi: 10.1016/0375-9474(86)90310-6
1986DO08 Radiat.Eff. 93, 61 (1986) T.P.Doan, G.Barreau, A.Sicre, F.Caitucoli, B.Leroux, J.P.Theobald, M.Mutterer, P.Koczon Light Nuclei from the Thermal Neutron Induced Fission of 235U NUCLEAR REACTIONS 235U(n, F)6He/10He/9Li/9Be/10Be/12Be/12B/15B/15C/18O/18C/21O/21Ne, E=thermal; measured light residuals yields following fission.
doi: 10.1080/00337578608207430
1986KO14 Radiat.Eff. 93, 49 (1986) P.Koczon, M.Mutterer, J.P.Theobald, M.S.Moore, F.Goennenwein, P.Geltenbort, A.Oed, J.Pannicke Mass and Energy Distribution of Fragments from the 245Cm(n(th), f) Reaction NUCLEAR REACTIONS 245Cm(n, F), E=thermal; measured fission fragment mass yield vs fragment kinetic energy, long range Eα, σ(θα).
doi: 10.1080/00337578608207427
1986PA09 Radiat.Eff. 93, 45 (1986) J.Pannicke, M.Mutterer, J.P.Theobald, P.Heeg, K.Weingaertner, G.Barreau, B.Leroux, F.Goennenwein Long Range Alpha Particle Associated Neutron Induced Fission of U-235 NUCLEAR REACTIONS 235U(n, F), E=thermal; measured ternary fission (fragment)(fragment)(θ), (fragment)(fragment)α-coin. 236U deduced equatorial, polar ternary fission characteristics.
doi: 10.1080/00337578608207426
1984SC38 Nucl.Phys. A430, 21 (1984) C.Schmitt, A.Guessous, J.P.Bocquet, H.-G.Clerc, R.Brissot, D.Engelhardt, H.R.Faust, F.Gonnenwein, M.Mutterer, H.Nifenecker, J.Pannicke, Ch.Ristori, J.P.Theobald Fission Yields at Different Fission-Product Kinetic Energies for Thermal-Neutron-Induced Fission of 239Pu NUCLEAR REACTIONS 239Pu(n, F), E=thermal; measured fission fragment mass, charge distribution; deduced fragment fractional yields, odd-even effects, isobar average kinetic energies.
doi: 10.1016/0375-9474(84)90191-X
1983SP03 Phys.Rev.Lett. 51, 1522 (1983) W.Spreng, F.Azgui, H.Emling, E.Grosse, R.Kulessa, Ch.Michel, D.Schwalm, R.S.Simon, H.J.Wollersheim, M.Mutterer, J.P.Theobald, M.S.Moore, N.Trautmann, J.L.Egido, P.Ring First Observation of Backbending in an Actinide Nucleus NUCLEAR REACTIONS 242,244Pu(208Pb, 208Pb'), E=5.1, 5.3 MeV/nucleon; measured Coulomb excitation, Doppler shifted γ-spectra, Eγ. 242,244Pu deduced levels, J, π, yrast transitions, backbending, proton shell alignment effects. Microscopic calculations.
doi: 10.1103/PhysRevLett.51.1522
1982JU02 Nucl.Phys. A386, 287 (1982) C.R.Jungmann, H.Weigmann, L.Mewissen, F.Poortmans, E.Cornelis, J.P.Theobald Resonance Structure of 32S + n from Transmission and Diffferential Elastic Scattering Experiments NUCLEAR REACTIONS 32S(n, n), (n, X), E=0.18-2 MeV; measured σ(total), σ(θ) vs E. 33S deduced resonances, π, Γn, resonance parameters. Natural target.
doi: 10.1016/0375-9474(82)90114-2
1980LE10 Nucl.Phys. A342, 37 (1980) H.-D.Lemke, B.Ziegler, M.Mutterer, J.P.Theobald, N.Carjan Absolute Photofission Cross Section of 209Bi in the Energy Range from 40 to 65 MeV NUCLEAR REACTIONS 209Bi(γ, F), E=40-65 MeV; measured σ; deduced total photoabsorption σ for compound nucleus formation. Statistical model.
doi: 10.1016/0375-9474(80)90505-9
1979WA06 Nucl.Phys. A320, 433 (1979) P.Wastyn, H.Genz, M.Mutterer, A.Richter, G.Schrieder, J.C.Van Staden, J.P.Theobald Elastic Scattering of 40Ar on 40Ca at E(lab) = 191, 236 and 272 MeV NUCLEAR REACTIONS 40Ca(40Ar, 40Ar), E=191, 236, 272 MeV; measured σ(θ, E); deduced interaction radius, total reaction σ. Fitted Fresnel, optical models to data. Compared with microscopically calculated potentials.
doi: 10.1016/0375-9474(79)90200-8
1979WA21 Nucl.Phys. A332, 455 (1979) P.Wastyn, H.Feldmeier, F.Beck, M.Dworzecka, H.Genz, M.Mutterer, A.Richter, G.Schrieder, J.P.Theobald Strongly Damped Collisions in the 40Ar + 40Ca System NUCLEAR REACTIONS 40Ca(40Ar, X), E=191, 236, 272 MeV; measured σ(E, fragment charge, θ).
doi: 10.1016/0375-9474(79)90013-7
1978WA18 S.Afr.J.Phys. 1, 224 (1978) P.Wastyn, H.Genz, M.Mutterer, A.Richter, G.Schrieder, J.C.van Staden, J.P.Theobald Elastic Scattering of 40Ar on 40Ca at E(lab) = 191, 236 and 272 MeV NUCLEAR REACTIONS 40Ca(40Ar, 40Ar), E=191, 236, 272 MeV; measured σ(θ); deduced optical model parameters. Fresnel, optical, microscopic models.
1973PO08 Nucl.Phys. A207, 342 (1973) F.Poortmans, G.Rohr, J.P.Theobald, H.Weigmann, G.J.Vanpraet Neutron Resonance Parameters of 242Pu NUCLEAR REACTIONS 242Pu(n, n), 242Pu(n, γ), E=20-1300 eV; measured σ. 243Pu resonances deduced resonance parameters n-width, γ-width. Enriched target.
doi: 10.1016/0375-9474(73)90351-5
1973TH10 J.Nucl.Energy 27, 435 (1973) J.P.Theobald, J.A.Wartena, R.Werz, F.Poortmans Neutron Multiplicity Measurement on Resolved Fission Resonances of 235U NUCLEAR REACTIONS, Fission 235U(n, F), E=8-40 eV; measured nn-coin, nnn-coin. Deduced neutron multiplicity.
doi: 10.1016/0022-3107(73)90098-1
1972TH01 Nucl.Phys. A181, 639 (1972) J.P.Theobald, J.A.Wartena, H.Weigmann, F.Poortmans Fission Components in 236U Neutron Resonances NUCLEAR REACTIONS, Fission 236U(n, F), En=0.3 eV-1000 eV; measured σ(n, F). 237U resonances deduced F-width. Enriched target.
doi: 10.1016/0375-9474(72)90504-0
1972WE09 Nucl.Phys. A187, 305 (1972) Evaluation of Fission Barrier Parameters from Near-Barrier Fission and Isomeric Half-Life Data NUCLEAR STRUCTURE, Fission 234,235,236,237,238,239U, 237,238,239,240Np, 235,236,237,238,239,240,241,242,243,244,245Pu, 237,238,239,240,241,242,243,244Am, 241,242,243,244,245Cm, 246,247Cm, 244,245,246Bk; calculated fission barriers, T1/2.
doi: 10.1016/0375-9474(72)90578-7
1971KO39 Z.Phys. 248, 355 (1971) W.Kolar, J.P.Theobald, G.Lanzano Fission of 237Np + n Through a Double Humped Fission Barrier NUCLEAR REACTIONS, Fission 237Np(n, F), E=20-60 eV; measured σ(E). 238Np deduced resonance parameters.
doi: 10.1007/BF01400549
1971TH18 Atomkernenergie 18, 229 (1971) Experimente zur unterschwelligen Kernspaltung und ihre Deutung
1970CA33 J.Nucl.Energy 24, 111 (1970) M.G.Cao, E.Migneco, J.P.Theobald, M.Merla Fission Cross Section Measurement on 233U NUCLEAR REACTIONS 233U(n, F), E=0.018 eV-1.2 keV; measured σ(E).
doi: 10.1016/0022-3107(70)90057-2
1970MI16 Lett.Nuovo Cim. 4, 1220 (1970) E.Migneco, J.P.Theobald, S.de Jonge Parity Assignments of Some 98Mo Resonances NUCLEAR REACTIONS 98Mo(n, n), E approx 429, 612, 818 eV; measured σ(E). 99Mo resonances deduced π.
doi: 10.1007/BF02753705
1968CA23 Phys.Lett. 27B, 409 (1968) M.G.Cao, E.Migneco, J.P.Theobald Autocorrelation Effects in the Neutron Induced Fission Cross Section of 235U NUCLEAR REACTIONS, Fission 235U(n, F), E=0.006-3 keV; measured σ(E). 236U deduced resonance, autocorrelation, intermediate state, shape isomer. Reanalysis of data.
doi: 10.1016/0370-2693(68)90220-7
1968CA31 J.Nucl.Energy 22, 211 (1968) M.G.Cao, E.Migneco, J.P.Theobald, J.A.Wartena, J.Winter Fission Cross-Section Measurement on 235U NUCLEAR REACTIONS 235U(n, F), E=0.006-3 keV; measured fission products, En, In; deduced resonance parameters, σ.
doi: 10.1016/0022-3107(68)90009-9
1968MI14 Nucl.Phys. A112, 603 (1968) Resonance Grouping Structure in Neutron Induced Subthreshold Fission of 240Pu NUCLEAR REACTIONS 240Pu(n, F), E=0.2 to 8 keV; measured σ(nf)(E). 241Pu resonances deduced F-width.
doi: 10.1016/0375-9474(68)90081-X
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