NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = J.Pedersen Found 37 matches. 2020LI16 Phys.Rev.Lett. 124, 222502 (2020) Y.-T.Lin, T.H.Burritt, C.Claessens, G.Holman, M.Kallander, E.Machado, L.I.Minter, R.Ostertag, D.S.Parno, J.Pedersen, D.A.Peterson, R.G.H.Robertson, E.B.Smith, T.D.Van Wechel, A.P.Vizcaya Hernandez, for the TRIMS Collaboration Beta Decay of Molecular Tritium RADIOACTIVITY 3H(β-); measured decay products, Eβ, Iβ; deduced branching ratios and uncertainties to specific ionization states.
doi: 10.1103/PhysRevLett.124.222502
2017HO25 Phys.Rev. A 96, 053411 (2017) R.Hong, A.Leredde, Y.Bagdasarova, X.Flechard, A.Garcia, A.Knecht, P.Muller, O.Naviliat-Cuncic, J.Pedersen, E.Smith, M.Sternberg, D.W.Storm, H.E.Swanson, F.Wauters, D.Zumwalt Charge-state distribution of Li ions from the β decay of laser-trapped 6He atoms RADIOACTIVITY 6He(β-) [from 6Li(d, t), E=18 MeV]; measured Eβ, Iβ, TOF; deduced 6Li ion charge fractions. Comparison with available data.
doi: 10.1103/PhysRevA.96.053411
1997MI31 Acta Phys.Hung.N.S. 5, 377 (1997) I.N.Mishustin, J.Pedersen, O.Scavenius Fluid Dynamical Description of the Chiral Transition
1992FA01 Nucl.Phys. A537, 183 (1992) C.Fahlander, I.Thorslund, B.Varnestig, A.Backlin, L.E.Svensson, D.Disdier, L.Kraus, I.Linck, N.Schulz, J.Pedersen, D.Cline Triaxiality in 166Er NUCLEAR REACTIONS 166Er(16O, 16O'), E=57 MeV; 166Er(32S, 32S'), E=115, 120 MeV; 166Er(58Ni, 58Ni'), E=221 MeV; measured pγ(θ) following Coulomb excitation. 166Er levels deduced B(E2), quadrupole moments. Enriched targets.
doi: 10.1016/0375-9474(92)90164-F
1992FA05 Nucl.Phys. A541, 157 (1992) C.Fahlander, B.Varnestig, A.Backlin, L.E.Svensson, D.Disdier, L.Kraus, I.Linck, N.Schulz, J.Pedersen Coulomb Excitation of 172Yb NUCLEAR REACTIONS 172Yb(16O, 16O'), E=57 MeV; 172Yb(32S, 32S'), E=115 MeV; 172Yb(58Ni, 58Ni'), E=224 MeV; measured (particle)γ(θ) following Coulomb excitation. 172Yb levels deduced B(E2), quadrupole moments. Enriched targets.
doi: 10.1016/0375-9474(92)90640-6
1990WA09 Phys.Rev.Lett. 65, 416 (1990) P.M.Walker, G.Sletten, N.L.Gjorup, M.A.Bentley, J.Borggreen, B.Fabricius, A.Holm, D.Howe, J.Pedersen, J.W.Roberts, J.F.Sharpey-Schafer High-K Barrier Penetration in 174Hf: A challenge to K selection NUCLEAR REACTIONS 130Te(48Ca, 4n), E ≈ 198 MeV; measured γγ-coin. 174Hf deduced levels, J, π, isomer decay features, band structure.
doi: 10.1103/PhysRevLett.65.416
1988CH27 Nucl.Phys. A485, 136 (1988) P.Chowdhury, B.Fabricius, C.Christensen, F.Azgui, S.Bjornholm, J.Borggreen, A.Holm, J.Pedersen, G.Sletten, M.A.Bentley, D.Howe, A.R.Mokhtar, J.D.Morrison, J.F.Sharpey-Schafer, P.M.Walker, R.M.Lieder Decay of High-Spin Isomers in Os Nuclei by Barrier Penetration NUCLEAR REACTIONS 150Nd(36S, 4n), E=160 MeV; 170Er(18O, 4n), E=85 MeV; measured E(γ), I(ce), I(γ), γγ-coin, I(γ)(θ). 182,184Os deduced levels, J, π, K, g(K), configurations, T1/2. Ge-multi-array, Compton shields, pulsed beam, recoil technique.
doi: 10.1016/0375-9474(88)90526-X
1987BO10 Nucl.Phys. A466, 371 (1987) J.Borggreen, G.Sletten, S.Bjornholm, J.Pedersen, A.Del Zoppo, D.C.Radford, R.V.F.Janssens, P.Chowdhury, H.Emling, D.Frekers, T.L.Khoo Single Particle Radiation between High Spin States in 147Gd NUCLEAR REACTIONS 122Sn(30Si, 5n), E=153 MeV; measured γγ-coin, Iγ(θ), recoil distance. 147Gd deduced levels, J, π, T1/2, configurations. Ge detectors, NaI array, plunger, bunched beam.
doi: 10.1016/0375-9474(87)90447-7
1986WA07 Phys.Lett. 168B, 326 (1986) P.M.Walker, P.O.Arve, J.Simpson, G.B.Hagemann, J.Pedersen, G.Sletten, M.A.Riley, D.Howe, B.M.Nyako, J.F.Sharpey-Schafer, J.C.Lisle, E.Paul Double Crossing in 174Hf: A deformation jump ( Question ) NUCLEAR REACTIONS 130Te(48Ca, 4n), E=200 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 174Hf deduced levels, J, π, γ-branching, moments of inertia, band structure, yrast, excited band deformation differences.
doi: 10.1016/0370-2693(86)91638-2
1985BO37 Nucl.Phys. A443, 120 (1985) J.Borggreen, G.Sletten, S.Bjornholm, J.Pedersen, R.V.F.Janssens, I.Ahmad, P.Chowdhury, T.L.Khoo, Y.H.Chung, P.J.Daly Nuclear Structure Effects in the Feeding of Yrast States of Gd, Dy and Er Nuclei NUCLEAR REACTIONS 120,122,124Sn(30Si, xn), E=145, 153 MeV; 130Te(30Si, xn), E=137 MeV; 118,120,122,124Sn(34S, xn), E=155-165 MeV; 122,124,126,128,130Te(34S, xn), E=155, 170 MeV; measured Iγ. 146,147,148,149Gd, 148,150,151,152,154,155,156Dy, 152,153,154,155,156,157,158,159,160Er deduced yrast population. Ge detector, NaI array.
doi: 10.1016/0375-9474(85)90324-0
1985PE01 Phys.Rev.Lett. 54, 306 (1985) J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, M.Diebel, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker, S.Aberg Population of Triaxial Rotor Levels in 182Os NUCLEAR REACTIONS 48Ca, 48,50Ti(136Xe, X), E=4.3-4.8 MeV/nucleon; measured Eγ, Iγ. 182Os deduced isomer, J, T1/2, decay characteristics, K selection rule violation, yrast configuration triaxiality.
doi: 10.1103/PhysRevLett.54.306
1985PE07 Z.Phys. A321, 567 (1985) J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker High-Spin Isomers in W and Os Nuclei; Competition between K-quantization and triaxiality NUCLEAR REACTIONS 48Ca, 48,50Ti(136Xe, X), E=584-647 MeV; measured Eγ, Iγ, γ(t). 178,180W, 182,183,180Os deduced levels, K, J, π, γ-branching, isomers.
doi: 10.1007/BF01432431
1984SL03 Phys.Lett. 135B, 33 (1984) G.Sletten, S.Bjornholm, J.Borggreen, J.Pedersen, P.Chowdhury, H.Emling, D.Frekers, R.V.F.Janssens, T.L.Khoo, Y.H.Chung, M.Kortelahti Nucleon Alignment to very High Spins in 147Gd: Rapid ' rotation ' of fermion system NUCLEAR REACTIONS 122Sn(30Si, 5n), E=153 MeV; measured Eγ, Iγ, γ(θ). 147Gd deduced levels, γ-branching, J, π, yrast sequence, configuration, fermion system rotation evidence.
doi: 10.1016/0370-2693(84)90448-9
1983JO04 Nucl.Phys. A396, 479c (1983) B.Jonson, J.U.Andersen, G.J.Beyer, G.Charpak, A.De Rujula, B.Elbek, H.A.Gustafsson, P.G.Hansen, P.Knudsen, E.Laegsgaard, J.Pedersen, H.L.Ravn Determination of the Electron-Neutrino Mass from Experiments on Electron-Capture Beta Decay RADIOACTIVITY 193Pt(EC); measured E(L X-ray), I(L X-ray), internal bremsstrahlung Eγ, Iγ, γ(X-ray)-coin; deduced Q(EC), electron neutrino mass upper limit. 163Ho(EC) [from Ta(p, X), E=600 MeV]; measured Auger electrons, E(X-ray), I(X-ray); deduced T1/2, electron neutrino mass upper limit. Reaction data input.
doi: 10.1016/0375-9474(83)90040-4
1983KH03 Phys.Scr. T5, 16 (1983) T.L.Khoo, P.Chowdhury, H.Emling, D.Frekers, R.V.F.Janssens, W.Kuhn, A.Pakkanen, Y.H.Chung, P.J.Daly, Z.W.Grabowski, H.Helppi, M.Kortelahti, S.Bjornholm, J.Borggreen, J.Pedersen, G.Sletten Nuclear Shape Transitions and Some Properties of Aligned-Particle Configurations at High Spin NUCLEAR STRUCTURE 148,152,156,160Dy, 147Gd; analyzed high-spin state, effective quadrupole moment, feeding times data; deduced shape dependence on spin, neutron number. NUCLEAR REACTIONS 122Sn(30Si, 5n), E not given; measured γγ-coin. 147Gd deduced levels, γ-branching.
doi: 10.1088/0031-8949/1983/T5/003
1983PE13 Phys.Scr. T5, 162 (1983) J.Pedersen, S.Bjornholm, J.Borggreen, J.Kownacki, G.Sletten Intrinsic Excitations as Yrast Structures in 179W above I ≈ (35/2)(h-bar) NUCLEAR REACTIONS 170Er(13C, 4n), E=61-65 MeV; measured γγ-coin. 179W deduced levels, isomer T1/2, yrast band, J, π, K, configurations, deformation aligned state dominance, high-spin degeneracy.
doi: 10.1088/0031-8949/1983/T5/030
1982AN19 Phys.Lett. 113B, 72 (1982) J.U.Andersen, G.J.Beyer, G.Charpak, A.De Rujula, B.Elbek, H.A.Gustafsson, P.G.Hansen, B.Jonson, P.Knudsen, E.Laegsgaard, J.Pedersen, H.L.Ravn A Limit on the Mass of the Electron Neutrino: The case of 163Ho NUCLEAR REACTIONS 163Dy(d, t), 162Dy(3He, d), E not given; measured Q-value difference. 163Dy, 163Ho deduced mass difference. RADIOACTIVITY 163Ho(EC) [from Ta(p, X), E=600 MeV, mass separation]; measured partial decay T1/2; deduced T1/2, electron neutrino mass upper limit. Mass excess input from reaction data.
doi: 10.1016/0370-2693(82)90112-5
1982BA46 Nucl.Phys. A389, 93 (1982) O.Bakander, C.Baktash, J.Borggreen, J.B.Jensen, J.Kownacki, J.Pedersen, G.Sletten, D.Ward, H.R.Andrews, O.Hausser, P.Skensved, P.Taras Co-Existence of Spherical and Oblate Configurations in 147Gd NUCLEAR REACTIONS 135Ba(16O, 4n), E=77-84 MeV; 124Sn(28Si, 5n), E=128-140 MeV; measured γγ-coin, Iγ(θ), I(ce). 147Gd deduced levels, J, π, isomer T1/2, reduced transition probabilities. Pulsed beam, Ge(Li), Si(Li) detectors, NaI(Tl) array, mini-orange spectrometer.
doi: 10.1016/0375-9474(82)90293-7
1982LI04 Nucl.Phys. A375, 291 (1982) R.M.Lieder, G.Sletten, J.Borggreen, J.Pedersen Study of Band Crossings in 182Os NUCLEAR REACTIONS 168Er(18O, xnγ), E=81 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-coin, I(ce) for x=4, 5. 181,182Os deduced levels, J, π, ICC, δ, γ-branching. Enriched targets, Ge(Li), Si-Li and NaI(Tl) detectors, mini-orange conversion electron spectrometer.
doi: 10.1016/0375-9474(82)90413-4
1981BA33 Phys.Scr. 24, 290 (1981) C.V.K.Baba, S.Bjornholm, O.Christensen, B.Herskind, R.M.Lieder, J.Pedersen, G.Sletten, F.Folkmann, R.S.Simon Non-Collective Properties of the Continuum Gamma Rays Feeding Two High-Spin Isomers in 152Er NUCLEAR REACTIONS 108Pd(48Ti, 4n), E=218-232 MeV; measured γγ-coin. 152Er deduced levels, isomer T1/2, γ-branching, yrast cascade γ-multipolarity, shape. Continuum γ-rays.
doi: 10.1088/0031-8949/24/1B/025
1981WA14 Nucl.Phys. A365, 61 (1981) P.M.Walker, W.H.Bentley, S.R.Faber, R.M.Ronningen, R.B.Firestone, F.M.Bernthal, J.Borggreen, J.Pedersen, G.Sletten Rotational Bands in 170Yb Observed following (α, xn) Reactions NUCLEAR REACTIONS 168Er(α, 2n), E=27 MeV; 170Er(α, 4n), E=50 MeV; measured Eγ, Iγ, γγ-coin, αγ(t), γ(θ), ICC. 170Yb deduced levels, K, J, π, T1/2, rotational bands. Ge detector, Ge(Li), Si-Li detectors, enriched targets.
doi: 10.1016/0375-9474(81)90387-0
1980BO07 Z.Phys. A294, 113 (1980) J.Borggreen, S.Bjornholm, O.Christensen, A.Del Zoppo, B.Herskind, J.Pedersen, G.Sletten, F.Folkmann, R.S.Simon Gamma-Spectroscopy within the Island of High-Spin Isomers Near N=82 NUCLEAR REACTIONS 106Pd, 100Mo(50Ti, xnγ), (65Cu, xnγ), E=4.6 MeV/nucleon; measured Eγ, Iγ, γ(t), sum spectra. 144,147Gd, 148Tb, 151,152Dy, 149,150,151,152,153Ho, 151,152,153,154Er deduced levels, T1/2, J, π.
doi: 10.1007/BF01435046
1979BA02 Phys.Rev.Lett. 42, 490 (1979) H.Backe, L.Richter, D.Habs, V.Metag, J.Pedersen, P.Singer, H.J.Specht Spectroscopy in the Second Minimum of the Potential Energy Surface of 239Pu RADIOACTIVITY 239mPu [from 238U(α, 3n), E=33 MeV]; measured E(ce), I(ce). 239Pu deduced levels in second minimum, J, π, δ, rotational parameters. Nilsson assignments.
doi: 10.1103/PhysRevLett.42.490
1978BE15 Phys.Lett. 74B, 211 (1978) F.Bernthal, B.B.Back, O.Bakander, J.Borggreen, J.Pedersen, G.Sletten, H.Beuscher, D.Haenni, R.Lieder Connection between Backbending and High-Spin Isomer Decay in 179W NUCLEAR REACTIONS 170Er(13C, 4nγ), E not given; 180Hf(α, 5nγ), E=58 MeV; measured γ(t), γγ(t). 179W deduced levels, J, π, T1/2.
doi: 10.1016/0370-2693(78)90555-5
1977BO09 Nucl.Phys. A279, 189 (1977) J.Borggreen, J.Pedersen, G.Sletten, R.Heffner, E.Swanson The Rotational Band of the 236U Shape Isomer NUCLEAR REACTIONS 235U(d, p), E=12 MeV; measured ce-delayed fission coin, pce-coin. 236mU deduced rotational constant.
doi: 10.1016/0375-9474(77)90222-6
1977PE15 Phys.Rev.Lett. 39, 990 (1977) J.Pedersen, B.B.Back, F.M.Bernthal, S.Bjornholm, J.Borggreen, O.Christensen, F.Folkmann, B.Herskind, T.L.Khoo, M.Neiman, F.Puhlhofer, G.Sletten Island of High-Spin Isomers Near N = 82 NUCLEAR STRUCTURE 146,147Gd; measured reaction γ-multiplicities, delayed S-width; deduced T1/2 of high spin isomers.
doi: 10.1103/PhysRevLett.39.990
1975RU03 Nucl.Phys. A240, 13 (1975) P.A.Russo, J.Pedersen, R.Vandenbosch Gamma Decay of the 238U Shape Isomer NUCLEAR REACTIONS 238U(d, npγ), E=13, 18 MeV; 238U(p, p'γ), E=13 MeV; measured σ(Eγ, t). 238U deduced levels, J, π, T1/2, barrier parameters.
doi: 10.1016/0375-9474(75)90434-0
1974KA06 Phys.Rev.Lett. 32, 1009 (1974) R.Kalish, B.Herskind, J.Pedersen, D.Shackleton, L.Strabo Measurement of the g Factor for the 1.1-μsec Shape Isomeric State in 237Pu NUCLEAR REACTIONS 235U(α, 2n), E=25 MeV; measured fragment(θ, H, t, T). 237Pu level deduced g.
doi: 10.1103/PhysRevLett.32.1009
1973BR05 Phys.Lett. 43B, 386 (1973) H.F.Brinckmann, D.D.Clark, N.J.S.Hansen, J.Pedersen An Isomeric Two-Particle State in 236U NUCLEAR REACTIONS 235U(d, pγ), E=10 MeV; measured Eγ, Iγ, γ(t). 236U deduced levels, J, π, T1/2.
doi: 10.1016/0370-2693(73)90379-1
1972BR38 Nucl.Phys. A193, 236 (1972) H.F.Brinckmann, W.D.Fromm, C.Heiser, H.Rotter, D.D.Clark, N.J.S.Hansen, J.Pedersen Nuclear Isomers in 113Sn, 111Sn, 117Te and 115Te NUCLEAR REACTIONS 108,111Cd(α, xnγ), 110,111Cd(3He, xnγ), 112,115Sn(α, xnγ), 114Sn(3He, 2nγ), measured Eγ, Iγ, E(ce);I(ce), αγ-, (3He)(γ)delay. 111,113Sn, 115,117Te deduced levels, T1/2, J, π. Enriched targets;Ge(Li), Si(Li) detectors.
doi: 10.1016/0375-9474(72)90249-7
1972PE01 Nucl.Phys. A178, 449 (1972) An Investigation of the Population of the Shape Isomer 236mU Through the (d, p) Reaction NUCLEAR REACTIONS 235U(d, pF), E=11 MeV; measured (p)(fragment)-delay. 236mU deduced T1/2, fission barrier parameters.
doi: 10.1016/0375-9474(72)90472-1
1971BA30 Nucl.Phys. A165, 449 (1971) B.B.Back, J.P.Bondorf, G.A.Otroschenko, J.Pedersen, B.Rasmussen Fission of U, Np, Pu and Am Isotopes Excited in the (d, p) Reaction NUCLEAR REACTIONS, Fission 233,235U, 237Np, 238,239,241Pu, 241,243Am(d, pF), E=13.0 MeV; measured σ(Ep, E(fragment)). 234,236U, 238Np, 239,240,242Pu, 242,244Am deduced fission probability, fission barrier heights, transparencies.
doi: 10.1016/0375-9474(71)90461-1
1970KN05 Nucl.Phys. A159, 642 (1970) K.T.Knopfle, M.Rogge, C.Mayer-Boricke, J.Pedersen, D.Burch The Reaction 90Zr(3He, d)91Nb at 18 MeV NUCLEAR REACTIONS 90Zr(3He, d), E=18 MeV; measured σ(θ, Ed), Q. 91Nb deduced levels, J, π, L(p), S. Enriched target.
doi: 10.1016/0375-9474(70)90863-8
1969LA14 Nucl.Phys. A139, 481 (1969) N.L.Lark, G.Sletten, J.Pedersen, S.Bjornholm Spontaneously Fissioning Isomers in U, Np, Pu and Am Isotopes RADIOACTIVITY, Fission 236mU, 239mNp, 236mPu, 237mPu, 240mPu, 241mPu, 242mPu, 243mPu, 239mAm, 241mAm(SF); measured T1/2. NUCLEAR REACTIONS 235U, 239,241,242Pu(d, p), 240Pu(d, X), E=11-13 MeV; measured σ delayed fission. 237Np(p, 2n), E=9-14 MeV; 240Pu(p, 2n), E=10-13 MeV; 242Pu(p, 2n), E=8.8-13 MeV; measured σ delayed fission; deduced thresholds. 238U, 237Np(d, X), 239Pu, 241Pu(d, 2n), E=13 MeV; measured σ delayed fission. 237Np(p, 2n), E=13 MeV; measured σ ground state. Enriched targets.
doi: 10.1016/0375-9474(69)90273-5
1969PE07 Phys.Letters 29B, 176(1969) Resonance Effects in Near-Barrier Fission Observed in (d, pf) Reactions NUCLEAR REACTIONS 233,235U, 239,241Pu(d, pF) , E = 12, 13 MeV; measured σ(Ep, E fragment). 234,236U, 240,242Pu deduced fission probability.
doi: 10.1016/0370-2693(69)90012-4
1968BJ06 Nucl.Phys. A118, 261(1968) S.Bjornholm, J.Borggreen, D.Davies, N.J.S.Hansen, J.Pedersen, H.L.Nielsen Energy Levels in 234U Populated in the β-Decay of 234Pa(UZ) RADIOACTIVITY 234Pa [from 238U decay]; measured Eγ, Eβ, Iγ, I(ce), Iβ, βγ-, γγ-, ceγ-coin, γγ-delay. 234U deduced levels, J, π. Ge(Li) detector.
doi: 10.1016/0375-9474(68)90337-0
1967BO08 Nucl.Phys. A96, 561 (1967) J.Borggreen, N.J.S.Hansen, J.Pedersen, L.Westgaard, J.Zylicz, S.Bjornholm Isomerism in 176Hf and Some Neighbouring Even Nuclei NUCLEAR REACTIONS 176Lu(p, nγ), 181Ta(p, 2nγ), E = 10, 12 MeV; measured pγ-delay. 173Yb(d, pγ), 176Yb(d, d'γ), E = 12 MeV; measured dγ-delay. 176Hf, 174,176Yb, 180W levels deduced T1/2. Enriched 176Lu, 173,176Yb targets, Ge(Li) detector. 176mHf, 174m,176mYb, 180mW; measured Eγ, Iγ, I(ce), γγ-, γce-coin, γce-delay. 176Hf, 174,176Yb, 180W deduced levels, T1/2, J, π.
doi: 10.1016/0375-9474(67)90605-7
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