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NSR database version of May 24, 2024.

Search: Author = W.Andrejtscheff

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2002RA42      J.Phys.(London) G28, 2617 (2002)

G.Rainovski, H.Schnare, R.Schwengner, C.Plettner, L.Kaubler, F.Donau, I.Ragnarsson, J.Eberth, T.Steinhardt, O.Thelen, M.Hausmann, A.Jungclaus, K.P.Lieb, A.Muller, G.de Angelis, A.Gadea, D.R.Napoli, A.Algora, D.G.Jenkins, R.Wadsworth, A.Wilson, W.Andrejtscheff, V.I.Dimitrov

Shape coexistence at high spin in the N = Z + 2 nucleus 70Se

NUCLEAR REACTIONS 40Ca(40Ca, 2p2α), E=185 MeV; measured Eγ, Iγ, γγ-coin. 70Se deduced high-spin levels, J, π, configurations, shape coexistence features. Euroball III array. Cranked Nilsson-Strutinsky calculations.

doi: 10.1088/0954-3899/28/10/307
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2002TO05      Phys.Rev. C65, 034314 (2002)

D.Tonev, P.Petkov, A.Dewald, T.Klug, P.von Brentano, W.Andrejtscheff, S.M.Lenzi, D.R.Napoli, N.Marginean, F.Brandolini, C.A.Ur, M.Axiotis, P.G.Bizzeti, A.Bizzeti-Sona

Transition Rates and Nuclear Structure Changes in Mirror Nuclei 47Cr and 47V

NUCLEAR REACTIONS 28Si(28Si, n2α), (28Si, p2α), E=110 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin, DSA. 47Cr, 47V deduced levels, J, π, T1/2, transition quadrupole moments. Euroball III, ISIS arrays. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.65.034314
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2001AN13      Phys.Lett. 506B, 239 (2001)

W.Andrejtscheff, C.Kohstall, P.von Brentano, C.Fransen, U.Kneissl, N.Pietralla, H.H.Pitz

New Evidence for the E1 Core Polarization in Spherical Nuclei

COMPILATION 48Ca, 48Ti, 52Cr, 56Fe, 58,60Ni, 64,66Zn, 86,88Sr, 90Zr, 92,94,96Mo, 110,112,114,116Cd, 116,118,120,122,124Sn, 122,124,126,130Te, 134,136,138Ba, 140,142Ce, 142,144,146Nd, 144,148Sm; compiled, analyzed 2+, 3- and 1- level properties, B(E1), branching ratios; deduced dipole core polarization. Systematics for 1-states arising as double phonon coupling discussed, quasiparticle-phonon model calculations.

doi: 10.1016/S0370-2693(01)00340-9
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2000GR02      Phys.Rev. C61, 024317 (2000)

M.Grinberg, Ch.Protochristov, W.Andrejtscheff, G.Lo Bianco, G.Falconi

Collective Vibrational Bands Built on Two-Quasiparticle Excitations in Te Isotopes

NUCLEAR STRUCTURE 114,116,118,120,122,124,126,128,130Te; analyzed levels, J, π; deduced vibrational bands configurations. Quasiparticle-phonon model.

doi: 10.1103/PhysRevC.61.024317
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2000ST29      Phys.Rev. C62, 054314 (2000)

E.A.Stefanova, R.Schwengner, J.Reif, H.Schnare, F.Donau, M.Wilhelm, A.Fitzler, S.Kasemann, P.von Brentano, W.Andrejtscheff

Influence of Neutron-Core Excitations on High-Spin States in 88Sr

NUCLEAR REACTIONS 80Se(11B, 2np), E=45 MeV; measured Eγ, Iγ, γγ-coin, DSA. 88Sr deduced high-spin levels, J, π, configurations, B(M1). Comparison with shell model calculations.

doi: 10.1103/PhysRevC.62.054314
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1999BO10      Phys.Rev. C59, 2432 (1999)

H.G.Borner, M.Jentschel, N.V.Zamfir, R.F.Casten, M.Krticka, W.Andrejtscheff

Ultrahigh Resolution Study of Collective Modes in 158Gd

NUCLEAR REACTIONS 157Gd(n, γ), E=thermal; measured Eγ, Iγ. 158Gd deduced levels J, π, T1/2, B(E2), no two-phonon vibration. Gamma-ray induced Doppler broadening technique.

doi: 10.1103/PhysRevC.59.2432
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1999BO28      Eur.Phys.J. A 5, 243 (1999); Erratum Eur.Phys.J. A 6, 481 (1999)

C.Borcan, H.Schnare, R.Schwengner, L.Kaubler, H.G.Ortlepp, F.Donau, H.Grawe, M.Gorska, S.Skoda, J.Eberth, T.Hartlein, F.Kock, D.Pansegrau, M.Moszynski, D.Wolski, M.Weiszflog, A.Axelsson, D.R.Napoli, A.Gadea, R.Wadsworth, A.Wilson, W.Andrejtscheff

First Identification of Excited States in the N = Z Nucleus 70Br

NUCLEAR REACTIONS 58Ni(16O, 3np), E=95 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 70Br deduced levels.

doi: 10.1007/s100500050281
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1999DO03      Phys.Rev. C59, 492 (1999)

C.Doll, H.G.Borner, S.Jaag, F.Kappeler, W.Andrejtscheff

Lifetime Measurement in 176Lu and Its Astrophysical Consequences

NUCLEAR REACTIONS 175Lu(n, γ), E=reactor; measured Doppler-broadened Eγ, Iγ. 176Lu level deduced T1/2. Gamma-ray induced Doppler broadening technique. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.59.492
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1999JE02      Eur.Phys.J. A 4, 9 (1999)

K.Jessen, W.Andrejtscheff, M.Bergstrom, P.von Brentano, A.Dewald, B.Herskind, H.Meise, C.Schumacher, G.Sletten, O.Stuch, D.Weisshaar, I.Wiedenhover, J.Wrzesinski

A New High-Spin Isomer in 145Sm

NUCLEAR REACTIONS 122Sn(27Al, 3np), E=127 MeV; measured Eγ, Iγ, γγ(t). 145Sm deduced high-spin isomer T1/2. Nordball array.

doi: 10.1007/s100500050197
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1998AN26      Phys.Lett. 437B, 249 (1998)

W.Andrejtscheff, C.Doll, F.Becvar, H.G.Borner

Octupole Collectivity and Spin Dependence of the E1 Transition Moments in 150Sm

NUCLEAR REACTIONS 149Sm(n, γ), E=thermal; measured Doppler-broadened Eγ, Iγ. 150Sm deduced levels T1/2, transitions B(E1), B(E2), octupole collectivity spin dependence. Gamma-ray induced Doppler broadening technique.

doi: 10.1016/S0370-2693(98)00970-8
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1998KO35      Eur.Phys.J. A 2, 269 (1998)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, L.Kaubler, H.Prade, R.Schwengner

Absolute E1 and E2 Transition Rates in 110Cd

NUCLEAR REACTIONS 108Pd(α, 2n), E=27 MeV; measured Eγ, Iγ(t). 110Cd deduced levels T1/2, B(E1), B(E2). Generalized centroid-shift analysis.

doi: 10.1007/s100500050119
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1998PE17      Nucl.Phys. A640, 293 (1998)

P.Petkov, J.Gableske, O.Vogel, A.Dewald, P.von Brentano, R.Krucken, R.Peusquens, N.Nicolay, A.Gizon, J.Gizon, D.Bazzacco, C.Rossi-Alvarez, S.Lunardi, P.Pavan, D.R.Napoli, W.Andrejtscheff, R.V.Jolos

In-Band M1 and E2 Transition Rates and Collective Structures in 128Ba

NUCLEAR REACTIONS 96Zr(36S, 4n), E=150 MeV; measured Eγ, Iγ, DSA. 128Ba levels deduced T1/2, B(λ), configurations. Enriched target, Ge detectors, line-shape analysis, differential decay curve analysis. Comparison to theoretical predictions.

doi: 10.1016/S0375-9474(98)00429-1
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1997LA13      Phys.Rev. C55, R2127 (1997)

G.J.Lane, D.B.Fossan, I.Thorslund, P.Vaska, R.G.Allatt, E.S.Paul, L.Kaubler, H.Schnare, I.M.Hibbert, N.O'Brien, R.Wadsworth, W.Andrejtscheff, J.deGraaf, J.Simpson, I.Y.Lee, A.O.Macchiavelli, D.J.Blumenthal, C.N.Davids, C.J.Lister, D.Seweryniak, A.V.Afanasjev, I.Ragnarsson

Identification of Excited States in Doubly Odd 110Sb: Smooth band termination

NUCLEAR REACTIONS 54Fe(59Co, n2p), E=230 MeV; measured Eγ, Iγ, γγ(θ). 56Fe(58Ni, n3p), E=240 MeV; measured Eγ, Iγ, γγ(θ), mass-gated γ-spectra, nγ-coin. 55Mn(58Ni, n2p), E=240 MeV; measured Eγ, Iγ, γγ(θ), γ(t). 110Sb deduced high-spin levels, J, π, T1/2, rotational bands, configurations, band termination features. Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.55.R2127
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1996AN04      Phys.Rev. C53, 1606 (1996)

W.Andrejtscheff, P.Petkov, A.Dewald, G.Bohm, P.von Brentano

Dynamic Shape Asymmetry in Soft Nuclei

NUCLEAR STRUCTURE 128Ba; calculated B(λ) ratio; deduced shape asymmetry dependence on levels spin.

doi: 10.1103/PhysRevC.53.1606
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1996KA43      Z.Phys. A356, 235 (1996)

L.Kaubler, H.Schnare, D.B.Fossan, A.V.Afanasjev, W.Andrejtscheff, R.G.Allatt, J.DeGraaf, H.Grawe, I.M.Hibbert, I.Y.Lee, A.D.Macchiavelli, N.O'Brien, K.-H.Maier, E.S.Paul, H.Prade, I.Ragnarsson, J.Reif, R.Schubart, R.Schwengner, I.Thorslund, P.Vaska, R.Wadsworth, G.Winter

Collective Structures and Smooth Band Termination in 109Sn

NUCLEAR REACTIONS 54Fe(59Co, n3p), E=230 MeV; measured γγγ-coin, energy correlations. 109Sn deduced high-spin levels, J, π, band structure, dynamic moments of inertia.

doi: 10.1007/s002180050173
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1996KO16      Z.Phys. A355, 179 (1996)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, A.Dewald, K.O.Zell, P.von Brentano

Transition Probabilities and the Structure of Some Negative-Parity States in 126,130Xe and 132Ba

NUCLEAR REACTIONS 124,128Te(α, 2n), E=26 MeV; 122Sn(13C, 3n), E=53 MeV; measured Eγ, Iγ, γγ(t). 126,130Xe, 132Ba deduced levels, J, π, T1/2, B(λ). Ge detectors, generalized centroid-shift analysis.

doi: 10.1007/s002180050096
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1996PE05      Nucl.Phys. A599, 505 (1996)

P.Petkov, W.Andrejtscheff, H.G.Borner, S.J.Robinson, N.Klay, S.Yamada

Level Scheme and Electromagnetic Transition Strengths in 177Lu

NUCLEAR REACTIONS 176Lu(n, γ), E=thermal; measured Eγ, Iγ, I(ce), γγ(t). 177Lu deduced levels, γ-branching, γ-multipolarity, T1/2, B(λ), quadrupole moments. Enriched target, electron-, bent crystal γ-spectrometers, Ge, BaF2 detectors. Rotor-plus-quasiparticle calculations, systematics of K-forbidden E2 transitions.

doi: 10.1016/0375-9474(96)00007-3
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1995KA18      Z.Phys. A352, 127 (1995)

L.Kaubler, Ch.Protochristov, M.Michailova, J.Reif, W.Andrejtscheff, L.Funke, L.Kostova, H.Prade, R.Schwengner, G.Winter

The Proton g9/2 Isomer in the N = 50 Nucleus 87Rb and M2 Transition Rates in 85,87Rb

NUCLEAR REACTIONS 87Rb(α, α'), E=27 MeV; measured γγ-coin, γγ(t). 87Rb deduced isomer, T1/2, J, π, B(λ). Model comparison.

NUCLEAR STRUCTURE 85,87Rb; calculated levels, B(λ). Shell, particle-core coupling models.


1995PE06      Phys.Rev. C51, 2511 (1995)

P.Petkov, A.Dewald, W.Andrejtscheff

Low-Lying Collective States in 124-132Ba in the Framework of the General Collective Model

NUCLEAR STRUCTURE 124,126,128,130,132Ba; calculated levels, B(λ), quadrupole moments. General collective model.

doi: 10.1103/PhysRevC.51.2511
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1995PE07      Nucl.Phys. A589, 341 (1995)

P.Petkov, A.Dewald, A.Gelberg, G.Bohm, P.Sala, P.von Brentano, W.Andrejtscheff

The Nuclear Deorientation Effect in 122Xe and 128Ba

NUCLEAR REACTIONS 108Pd, 114Cd(18O, 4n), E=76 MeV; measured Iγ(θ, t), Eγ, Iγ. 122Xe, 128Ba levels deduced time-dependent alignment attenuation factors. Enriched target, Ge detectors, time-differential measurement in vacuum with recoil distance Doppler-shift technique, loss of alignment in cascade, correction for the nuclear deorientation effect in lifetime measurements. Comparison with phenomenological models.

doi: 10.1016/0375-9474(95)00086-G
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1995SC04      Nucl.Phys. A584, 159 (1995)

R.Schwengner, G.Winter, J.Reif, H.Prade, L.Kaubler, R.Wirowski, N.Nicolay, S.Albers, S.Esser, P.von Brentano, W.Andrejtscheff

Particle Excitations and Collectivity in the N = 48 Nuclei 83Br and 85Rb

NUCLEAR REACTIONS 82Se(7Li, 4n), (7Li, 2nα), E=32, 35 MeV; measured Eγ, Iγ(θ), (particle)γγ-coin, directional correlations, DSA. 83Br, 85Rb deduced high-spin levels, J, π, Γ, δ(E2/M1), B(λ). Enriched targets, Ge, Si detectors.

doi: 10.1016/0375-9474(94)00488-9
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1995SC48      Phys.Scr. T56, 126 (1995)

R.Schwengner, G.Winter, J.Reif, H.Prade, L.Kaubler, R.Wirowski, N.Nicolay, S.Albers, S.Esser, P.von Brentano, W.Andrejtscheff

Shell-Model States and Collectivity in 83Br48 and 85Rb48

NUCLEAR REACTIONS 82Se(7Li, 2nα), (7Li, 4n), E=32, 35 MeV; measured γγ-, γγ(particle)-coin, Iγ(θ). 83Br, 85Rb deduced high-spin levels, J, π, configuration. Shell model comparison.

doi: 10.1088/0031-8949/1995/T56/021
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1994AN08      Phys.Lett. 329B, 1 (1994)

W.Andrejtscheff, P.Petkov

Evidence for Strong Ground-State Shape Asymmetry in Even Germanium and Selenium Isotopes

NUCLEAR STRUCTURE A=46-82; Z=22-34; analyzed shape asymmetry features. 72,74,76Ge, 74,76,78Se deduced pronounced triaxiality. Sum rule method.

doi: 10.1016/0370-2693(94)90508-8
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1994KO13      Z.Phys. A348, 79 (1994)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, A.Dewald, G.Bohm, K.O.Zell, P.von Brentano

Isomeric Transitions between Shape Coexisting States in Iodine Isotopes with A = 115, 119 and 121

NUCLEAR REACTIONS 106Cd(12C, 2np), E=63 MeV; 116,118Sn(6Li, 3n), E=33 MeV; measured γγ(t), Eγ, Iγ. 121,115,119I deduced high-spin levels, J, π, B(λ), γ-multipolarity, isomers T1/2, configuration.

doi: 10.1007/BF01289593
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1994PE02      Nucl.Phys. A568, 572 (1994)

P.Petkov, R.Kruecken, A.Dewald, P.Sala, G.Bohm, J.Altmann, A.Gelberg, P.von Brentano, R.V.Jolos, W.Andrejtscheff

RDDS Measurements of Collective E2 Transition Strengths in 122Xe

NUCLEAR REACTIONS 108Pd(18O, 4n), E=76 MeV; measured Iγ(θ), Iγ, nuclear deorientation. 122Xe levels deduced T1/2, B(λ). Enriched target, Ge detectors, differential decay-curve analysis, recoil distance Doppler-shift technique. Comparisions to theoretical predictions of intraband E2 transition strengths.

doi: 10.1016/0375-9474(94)90395-6
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1993AN16      Phys.Rev. C48, 2531 (1993)

W.Andrejtscheff, P.Petkov

Asymmetry Versus Symmetric Quadrupole Deformation in Even-Even Nuclei with 94 ≤ A ≤ 192

NUCLEAR STRUCTURE A=94-192; Z=42-96; analyzed E2 matrix elements data; deduced ground state asymmetry shape parameter, correlation to symmetric quadrupole deformation energies. Sum rule method.

doi: 10.1103/PhysRevC.48.2531
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1993GR08      J.Phys.(London) G19, 1179 (1993)

M.Grinberg, T.K.Dinh, Ch.Protochristov, I.Penev, C.Stoyanov, W.Andrejtscheff

Level Structure and Transition Probabilities in 140Ce

RADIOACTIVITY 140La(β-); measured Eγ, Iγ, βγ-coin. 140Ce deduced levels, J, π, γ-multipolarity, B(λ), δ, T1/2, branching ratio. Quasiparticle-phonon model.

doi: 10.1088/0954-3899/19/8/008
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1993PE04      Nucl.Phys. A554, 189 (1993)

P.Petkov, W.Andrejtscheff, S.J.Robinson, U.Mayerhofer, T.von Egidy, S.Brant, V.Paar, V.Lopac

Electromagnetic Transition Strengths in the Transitional Doubly Odd Nucleus 198Au

NUCLEAR REACTIONS 197Au(n, γ), E=thermal; measured E, Iγ, γγ(t). 198Au levels deduced T1/2, B(λ). Natural target, Ge detector, generalized centroid-shift analysis, interacting boson-fermion-fermion calculations.

doi: 10.1016/0375-9474(93)90338-X
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1992FU04      Nucl.Phys. A541, 241 (1992)

L.Funke, G.Winter, J.Doring, L.Kaubler, H.Prade, R.Schwengner, Ch.Protochristov, W.Andrejtscheff, L.G.Kostova, P.O.Lipas, R.Wirowski

Neutron-Core Excitations in the N = 50 Nucleus 89Y

NUCLEAR REACTIONS 87Rb(α, 2n), E=16-27 MeV; measured Eγ, Iγ, σ(E, Eγ, θ), γγ-coin, γ-ray linear polarization, DSA, γ(t). 89Y deduced levels, J, π, T1/2, δ(E2/M1), B(λ). Enriched targets, Ge detectors. Shell model description.

doi: 10.1016/0375-9474(92)90096-3
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1992KO08      Z.Phys. A342, 145 (1992)

L.G.Kostova, W.Andrejtscheff, L.K.Kostov, L.Funke, E.Will, A.I.Vdovin

The Half-Life of the 1437 keV (11/2)- State in 97Mo

NUCLEAR REACTIONS 94Zr(α, n), E=16 MeV; measured γ(t), time centroids. 97Mo deduced (11/2)- level T1/2, B(M2). Model comparison.

NUCLEAR STRUCTURE 95,97,99Mo, 99Ru, 101Pd; calculated (11/2)- to (7/2)+ transition B(M2). Quasiparticle phonon model.

doi: 10.1007/BF01288462
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1992PE06      Nucl.Phys. A543, 589 (1992)

P.Petkov, S.Harissopulos, A.Dewald, M.Stolzenwald, G.Bohm, P.Sala, K.Schiffer, A.Gelberg, K.O.Zell, P.von Brentano, W.Andrejtscheff

Picosecond Lifetime Measurements and Collective Transition Strengths in 128Ba

NUCLEAR REACTIONS 118Sn(13C, 3n), E=53, 60 MeV; 114Cd(18O, 4n), E=76 MeV; measured recoil distance Doppler shift, Iγ(θ), Iγ, nuclear deorientation, (13C)γ(t). 128Ba levels deduced T1/2, B(λ). Enriched target. Germanium detectors, differential decay-curve analysis. Comparisons to theoretical predictions of intraband E2 transition strengths.

doi: 10.1016/0375-9474(92)90281-N
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1992PE13      Nucl.Instrum.Methods Phys.Res. A321, 259 (1992)

P.Petkov, W.Andrejtscheff, S.Avramov

Complex Time Distributions from Isomers in Cascade: A case in 176Lu

NUCLEAR REACTIONS 175Lu(n, γ), E not given; measured γ-spectra time distribution. 176Lu deduced isomers T1/2.

doi: 10.1016/0168-9002(92)90398-N
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1991KL02      Phys.Rev. C44, 2801 (1991)

N.Klay, F.Kappeler, H.Beer, G.Schatz, H.Borner, F.Hoyler, S.J.Robinson, K.Schreckenbach, B.Krusche, U.Mayerhofer, G.Hlawatsch, H.Lindner, T.von Egidy, W.Andrejtscheff, P.Petkov

Nuclear Structure of 176Lu and Its Astrophysical Consequences. I. Level Scheme of 176Lu

NUCLEAR REACTIONS 175Lu(n, γ), (n, e-), E=thermal; measured Eγ, Iγ, I(ce), γγ-coin. 175Lu(d, p), Ed=20.118 MeV; measured proton spectra. 176Lu deduced levels, J, π, T1/2, isomer, neutron separation energy.

doi: 10.1103/PhysRevC.44.2801
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1991PE12      Nucl.Phys. A533, 49 (1991)

P.Petkov, W.Andrejtscheff, J.Copnell, S.J.Robinson

E1 and M1 Transition Strengths from Two-Quasiparticle Structures in 168Er

NUCLEAR REACTIONS 167Er(n, γ), E=thermal; measured Eγ, Iγ, γγ(t). 168Er levels deduced T1/2, B(λ). Natural target, Ge detectors, generalized centroid-shift analysis, E1 systematics.

doi: 10.1016/0375-9474(91)90819-R
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1990AN21      Nucl.Phys. A516, 157 (1990)

W.Andrejtscheff, L.K.Kostov, P.Petkov, S.Brant, V.Paar, V.Lopac, G.Boehm, J.Eberth, R.Wirowski, K.O.Zell

Electromagnetic Properties of Some Odd-Odd Nuclei in the A ≈ 100 Region and IBFFM Description of 106Ag

NUCLEAR REACTIONS 98Mo(7Li, 3n), (7Li, 2nα), E=30 MeV; 92,94Mo(12C, np), 94Mo(12C, 2n), (12C, n2p), E=50 MeV; measured Eγ, Iγ, γγ(t). 102Rh, 99Tc, 102,104Ag, 104Cd, 103Pd deduced levels, T1/2, B(λ). Enriched targets, liquid scintillators, Ge detectors. Generalized centroid-shift analysis, B(λ) systematics, interacting boson-fermion-fermion model calculations.

doi: 10.1016/0375-9474(90)90055-Q
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1990KO42      Z.Phys. A337, 407 (1990)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, A.Dewald, G.Bohm, K.O.Zell, P.von Brentano, H.Prade, J.Doring, R.Schwengner

Decay Properties of the (19/2)- Isomers in 113,117Sb

NUCLEAR REACTIONS 104Pd(12C, 2np), E=63 MeV; 115In(α, 2n), E=26, 27 MeV; measured Eγ, Iγ, γ(12C)(t), γ(α)(t). 113,117Sb deduced isomers, T1/2, level J, π, decay features, B(λ), configurations. Ge detectors, generalized centroid shift method.


1989AN14      Nucl.Phys. A505, 397 (1989)

W.Andrejtscheff, L.K.Kostov, P.Petkov, Y.Sy.Savane, Ch.Stoyanov, P.von Brentano, J.Eberth, R.Reinhardt, K.O.Zell

Electric Quadrupole Transition Strengths of the Type 61+ → 41+ in 106-112Sn

NUCLEAR REACTIONS 106,110,112Cd(3He, 3n), 106Cd(3He, 2p), E=29 MeV; 104Pd(12C, 2nα), E=63 MeV; measured Eγ, Iγ, γγ(t). 106,110,112Sn, 107Cd deduced levels T1/2, B(E2). Enriched target, liquid scintillators, Ge detectors. Generalized centroid-shift analysis, quasiparticle-phonon model calculations.

doi: 10.1016/0375-9474(89)90383-7
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1988AN17      Z.Phys. A331, 433 (1988)

W.Andrejtscheff, L.K.Kostov, L.G.Kostova, P.Petkov, A.Dewald, J.Eberth, K.O.Zell, P.von Brentano, L.Funke, E.Will

p-n Multiplets and Band-Like Structures in 106Ag

NUCLEAR REACTIONS 103Rh(α, nγ), E=15.5 MeV; measured E(γ), I(γ), γγ(t), centroid shift. 106Ag levels deduced T1/2, B(λ), configuration. Natural target, Ge-detector, liquid scintillator, pulsed beam.


1988KO08      Z.Phys. A330, 45 (1988)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, P.Petkov, L.Funke, L.Kaubler, H.Prade

Multiplet Structure and Core-Related Effects on Transition Rates in 87Y and Neighbouring A ≈ 90 Nuclei

NUCLEAR REACTIONS 85Rb(α, xn), E=27 MeV; measured E(γ), I(γ). 88Y, 85Rb deduced T1/2. 87Y deduced levels, T1/2, B(E2), configuration. Ge detectors, generalized centroid-shift method.


1988KO16      Nucl.Phys. A485, 31 (1988)

L.G.Kostova, W.Andrejtscheff, L.K.Kostov, F.Donau, L.Kaubler, H.Prade, H.Rotter

Shape Coexistence and Three-Quasiparticle Excitations in 123,125I

NUCLEAR REACTIONS 121,123Sb(α, 2n), E=27 MeV; measured E(γ), I(γ), αγ(t). 123,125I deduced levels T1/2, B(λ). Enriched targets, Ge detectors. Generalized centroid-shift analysis, core-quasiparticle coupling model calculations.

doi: 10.1016/0375-9474(88)90520-9
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1988PE06      J.Phys.(London) G14, Supplement S97 (1988)

P.Petkov, W.Andrejtscheff, Ch.Protochristov, W.D.Hamilton, F.Hoyler, V.V.Martynov

Absolute E0, E1 and E2 Transition Rates in Even-Even Nuclei Obtained in Thermal Neutron Capture

NUCLEAR REACTIONS 167Er, 195Pt, 123Te(n, γ), E=thermal; measured γγ(θ, t), time-related γ-spectra. 168Er, 196Pt, 124Te levels deduced T1/2, B(λ).

NUCLEAR STRUCTURE 172Yb; analyzed data; deduced level characteristics, B(λ).

doi: 10.1088/0305-4616/14/S/010
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1988PE17      Nucl.Instrum.Methods Phys.Res. A271, 617 (1988)

P.Petkov, W.Andrejtscheff, L.K.Kostov, L.G.Kostova

The Elimination of Prompt Components in Delayed Coincidence Time Distributions

NUCLEAR REACTIONS 105Pd(n, γ), E=reactor; 110,112Cd(3He, 3n), E=29 MeV; measured γ-spectra, γγ(t). 110,112Sn, 106Pd level deduced T1/2. Centroid shift analysis.

doi: 10.1016/0168-9002(88)90331-2
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1987AN09      Z.Phys. A328, 23 (1987)

W.Andrejtscheff, L.K.Kostov, J.Eberth, J.Busch, M.Senba, Z.Z.Ding

Transition Probabilities and Hole-Core Coupled Configurations in 107In

NUCLEAR REACTIONS 93Nb(16O, 2n), 94Mo(16O, 2np), E=56 MeV; measured Eγ, Iγ, γ(t), I(ce). 107In deduced levels, J, π, T1/2, γ-multipolarity, B(E2), configurations. Enriched targets, Ge detectors, mini-orange electron spectrometer, generalized centroid shift method.


1986AN03      Nucl.Phys. A448, 301 (1986)

W.Andrejtscheff, L.K.Kostov, L.G.Kostova, P.Petkov, H.Rotter, W.D.Fromm, H.Prade, F.Stary

Two-Quasiproton and Two-Quasineutron Excitations in the Transitional Nuclei 102,104,106Pd

NUCLEAR REACTIONS 100,102,104Ru(α, 2n), E=27 MeV; measured Eγ, Iγ, αγ(t). 102,104,106Pd deduced levels T1/2, B(λ). Enriched targets, Ge detectors. Generalized centroid-shift analysis.

doi: 10.1016/0375-9474(86)90093-X
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1986AN14      J.Phys.(London) G12, L151 (1986)

W.Andrejtscheff, P.Petkov, Ch.Protochristow, L.K.Kostov, W.D.Hamilton, F.Hoyler

A Mixed Symmetry or Quasineutron Pair Interpretation of the K(π) = 0+3 Level in 172Yb

NUCLEAR REACTIONS 171Yb(n, γ), E=thermal; measured γγ-coin. 172Yb deduced levels, T1/2, γ-branching, γ-multipolarity, B(λ), configuration.

doi: 10.1088/0305-4616/12/6/005
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1986KO25      Z.Phys. A325, 293 (1986)

L.K.Kostov, W.Andrejtscheff, L.G.Kostova, P.Petkov, W.Enghardt, H.Prade, L.Kaubler, H.Rotter, F.Stary

Lifetime Measurements and Particle-Core Coupling Calculations in 144Sm

NUCLEAR STRUCTURE 144Sm; calculated levels, B(λ). Particle-core coupling approach.

NUCLEAR REACTIONS 142Nd(α, 2n), E=27 MeV; measured Eγ, Iγ, γ(t). 144Sm deduced levels, T1/2, B(λ). Enriched target, Ge(Li) detector.


1985AN23      Nucl.Phys. A445, 515 (1985)

W.Andrejtscheff, L.K.Kostov, L.G.Kostova, P.Petkov, M.Senba, N.Tsoupas, Z.Z.Ding, C.Tuniz

Some M1 Transition Strengths in Odd-A Nuclei Away from Closed Shells

NUCLEAR REACTIONS 60Ni(16O, pα), 78Se(16O, 2np), E=56, 64 MeV; 91Zr(12C, 2n), E=48 MeV; measured Eγ, Iγ, γγ(t); 89Y, 100Ru(α, xn), E=27 MeV; measured Eγ, Iγ, αγ(t). 71As, 91Nb, 101,103Pd levels deduced J, π, T1/2, B(λ). Enriched targets, Ge detectors. Cluster-vibrating core coupling, particle-rotor mixing calculations.

doi: 10.1016/0375-9474(85)90455-5
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1985AN27      Nucl.Phys. A437, 167 (1985)

W.Andrejtscheff, L.K.Kostov, H.Rotter, H.Prade, F.Stary, M.Senba, N.Tsoupas, Z.Z.Ding, P.Raghavan

Two-Quasiparticle Excitations and Collectivity in the Weakly-Deformed Transitional Isotopes 104,106,108Cd

NUCLEAR REACTIONS 93Nb(16O, 2np), E=56, 64 MeV; 102,106Pd(α, 2n), E=27 MeV; measured Eγ, Iγ, γγ(t), αγ(t). 104,106,108Cd deduced levels, J, π, configurations, B(λ), T1/2. Enriched targets, Ge detectors.

doi: 10.1016/0375-9474(85)90231-3
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1985VD01      Nucl.Phys. A440, 437 (1985)

A.I.Vdovin, Ch.Stoyanov, W.Andrejtscheff

Core Polarization for M2 Transitions in Odd-A Tin Isotopes

NUCLEAR STRUCTURE 109,111,113,115,117,119,121Sn; calculated B(M2). Quasiparticle-phonon model.

doi: 10.1016/0375-9474(85)90239-8
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1985VD04      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2173 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 83 (1985)

A.I.Vdovin, O.O.Rodriges, W.Andrejtscheff, Ch.Stoyanov

M2-Transitions between Low-Lying States in Odd-Odd Nuclei and Magnetic Core Polarization

NUCLEAR STRUCTURE 139,141Pr, 141,143,145Pm, 143,147,149Eu, 113,115,117,119,121Sb, 109,111,113,115,117,119,121Sn, 209Pb; calculated B(M2). Quasiparticle-phonon model.


1984PE13      Z.Phys. A318, 213 (1984)

I.Penev, W.Andrejtscheff, Ch.Protochristow, Zh.Zhelev

A Retarded Intramultiplet M1 Transition in 214Bi

RADIOACTIVITY 214Pb(β-) [from 226Ra decay chain]; measured γγ(t). 214Bi deduced levels, T1/2, γ-branching, B(M1), multiplet configuration.

doi: 10.1007/BF01413471
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1984RO06      Nucl.Phys. A417, 1 (1984)

H.Rotter, C.Heiser, K.D.Schilling, W.Andrejtscheff, L.K.Kostov, M.K.Balodis

Electromagnetic Transition Probabilities in the Doubly Odd N = 91 Nucleus 154Eu

NUCLEAR REACTIONS 153Eu(n, γ), E=thermal; measured Eγ, Iγ, γγ(t). 154Eu levels deduced T1/2, B(λ). Enriched target, plastic scintillator, Ge detector. Nilsson-plus-pairing-model calculations.

doi: 10.1016/0375-9474(84)90320-8
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1983KO10      Phys.Lett. 123B, 29 (1983)

L.K.Kostov, W.Andrejtscheff, H.Rotter, H.Prade, F.Stary

The Coexistence of Semi-Decoupled and Completely Aligned Bands in A ≈ 100 Nuclei

NUCLEAR REACTIONS 102,104Ru, 106Pd(α, 2n), E=27 MeV; measured γ-spectra, centroid shifts. 106Cd deduced high-spin state transition B(E2). 104,106Pd, 108Cd deduced high-spin state T1/2, B(E2), two-quasineutron band characteristics.

doi: 10.1016/0370-2693(83)90951-6
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1983KO28      Nucl.Phys. A406, 541 (1983)

L.K.Kostov, W.Andrejtscheff, H.Rotter, H.Prade, F.Stary

Transition Probabilities between Two-Quasiparticle Configurations in 170,172Yb and 182W

NUCLEAR REACTIONS 168,170Er, 180Hf(α, 2n), E=27 MeV; measured Eγ, Iγ, αγ(t). 170,172Yb, 182W levels deduced T1/2, B(λ). Enriched targets, detectors. Nilsson-plus-pairing calculations.

doi: 10.1016/0375-9474(83)90376-7
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1982AN09      Phys.Lett. 113B, 209 (1982)

W.Andrejtscheff, M.Senba, N.Tsoupas, Z.Z.Ding, P.Raghavan, A.Lopez-Garcia, R.Levy

Nanosecond Feeding Times: Evidence for high-spin isomerism near A = 75 and 100

NUCLEAR REACTIONS Fe, 59Co, 60Ni, 63,65Cu, 89Y, 90,91,92Zr, 93Nb, 95Mo(16O, xnyp), E=56, 64 MeV. Fe, 59Co, 60Ni, 63,65Cu, 89Y, 90,91,92Zr, 93Nb, 95Mo(12C, xnyp), E=48 MeV; measured Eγ, Iγ, γ(t), centroid shifts. 70,72,74,76Se, 74,76,78Kr, 100,102,104Pd, 104,106,108Cd deduced yrast cascade delay times. 106Cd deduced isomers, T1/2.

doi: 10.1016/0370-2693(82)90822-X
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1982AN17      Nucl.Instrum.Methods 204, 123 (1982)

W.Andrejtscheff, M.Senba, N.Tsoupas, Z.Z.Ding

The Generalized Centroid Shift Method for Lifetime Measurements in Heavy Ion Reactions

NUCLEAR REACTIONS 93Nb(16O, 2np), E=56, 64 MeV; 91Zr(12C, 3n), E=48 MeV; measured Eγ, Iγ, γ(t), γγ(t), centroid shifts. 109Sn, 106Cd deduced isomer T1/2. 100Pd deduced levels, γ-branching, relative Iγ, isomer T1/2.

doi: 10.1016/0167-5087(82)90087-4
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1982KO08      Nucl.Phys. A376, 451 (1982)

L.K.Kostov, H.Rotter, C.Heiser, H.Prade, F.Stary, W.Andrejtscheff

Absolute E1, ΔK = 1 Transition Probabilities between Multi-Quasiparticle High-Spin States in 176Hf and 178Hf

NUCLEAR REACTIONS 174,176Yb(α, xn), E=27 MeV; measured Eγ, Iγ, αγ(t). 175,176,177,178Hf levels deduced T1/2, B(λ). Enriched targets, Ge detectors. Nilsson plus pairing calculations.

doi: 10.1016/0375-9474(82)90123-3
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1982LE02      Phys.Rev. C25, 293 (1982)

R.Levy, N.Tsoupas, N.K.B.Shu, A.Lopez-Garcia, W.Andrejtscheff, N.Benczer-Koller

Magnetic Moment Measurements in Osmium and Platinum Nuclei

NUCLEAR REACTIONS 186,188Os, 194,196Pt(32S, 32S'), E ≈ 80 MeV; measured γ(θ, H) in polarized Fe, Coulomb excitation, γ32S-coin, γ(θ). 188,186Os, 194,196Pt level deduced g.

doi: 10.1103/PhysRevC.25.293
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1981AN02      Nucl.Phys. A351, 54 (1981)

W.Andrejtscheff, L.Zamick, N.Z.Marupov, K.M.Muminov, T.M.Muminov

Core Polarization for l-Forbidden M1 transitions in Light Nuclei

NUCLEAR STRUCTURE A=25-41; analyzed l-forbidden M1 transition systematics; deduced core polarization contributions, isovector effects.

doi: 10.1016/0375-9474(81)90544-3
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1981AN17      Nucl.Phys. A368, 45 (1981)

W.Andrejtscheff, L.Zamick, N.A.Lebedev, K.M.Muminov, T.M.Muminov, U.S.Salikhbaev

The Behavior of l-Forbidden M1 Transitions near Z = 50, N = 82

RADIOACTIVITY 131Ce, 133Ba [from Ta(p, X), E=660 MeV]; measured γ(ce)(t). 133La, 133Ba levels deduced T1/2, B(λ). 131La levels deduced T1/2. Natural targets, plastic scintillators, magnetic lens β-spectrometer. Systematics of rotational and L-forbidden B(M1) values.

doi: 10.1016/0375-9474(81)90729-6
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1981SH15      Phys.Rev. C24, 954 (1981)

N.K.B.Shu, R.Levy, N.Tsoupas, A.Lopez-Garcia, W.Andrejtscheff, N.Benczer-Koller

Magnetic Moments of the 21+ States of Even-Even Te Isotopes

NUCLEAR REACTIONS 120,122,124,126,128,130Te(32S, 32S'), E ≈ 80 MeV; measured γ(θ, H), Coulomb excitation, 32Sγ(θ). 120,122,124,126,128,130Te level deduced g. Enriched, triple layered targets, recoil in polarized Fe, NaI(Tl) detector.

doi: 10.1103/PhysRevC.24.954
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1981SH19      Hyperfine Interactions 9, 65 (1981)

N.K.B.Shu, R.Levy, N.Tsoupas, W.Andrejtscheff, A.Lopez-Garcia, A.Stuchbery, H.H.Bolotin, N.Benczer-Koller

Magnetic Moments of the 2+1 States of 46Ti and 48Ti

NUCLEAR REACTIONS 46,48Ti(16O, 16O'), E=30 MeV; measured γγ(θ, B), recoil in Fe. 46,48Ti level deduced g. Thin foil technique.

doi: 10.1007/BF01020899
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1981VE14      At.Data Nucl.Data Tables 26, 93 (1981)

Ts.Venkova, W.Andrejtscheff

Transition Strengths B(2) in the Yrast Bands of Doubly Even Nuclei

COMPILATION A=132-194; compiled yrast band E2 transition strengths. Doubly even nuclei.

doi: 10.1016/0092-640X(81)90001-2
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1980AN20      Z.Phys. A296, 123 (1980)

W.Andrejtscheff, E.Nadjakov, Ts.Venkova

Systematic Behavior of B(E2) Values in the Yrast Bands of Doubly Even Nuclei

NUCLEAR STRUCTURE 126Ba, 130,132,134Ce, 152,154,156,158Gd, 152,154Sm, 154,156,158,160,162,164Dy, 156,158,160,162,164,166,168,170Er, 160,162,164,166,168,170,172,174,176Yb, 166,168,170,178,180Hf, 182,184,186W; analyzed yrast band B(E2) systematics; deduced yrast-yrare interaction oscillation. Hydrodynamical model, Coriolis antipairing.

doi: 10.1007/BF01412653
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1980BU01      J.Phys.(London) G6, 103 (1980)

D.Bucurescu, G.Constantinescu, M.Ivascu, W.Andrejtscheff, B.Bochev, T.Kutsarova

Band-Like Structures in 97Ru

NUCLEAR REACTIONS 88Sr(12C, 3nγ), E=38-45 MeV; measured σ(Eγ, E), σ(Eγ, θ), DSA. 97Ru levels deduced T1/2. Natural target, Ge(Li) detector.

doi: 10.1088/0305-4616/6/1/016
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1979AL31      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 904 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.5, 6 (1979)

B.A.Alikov, W.Andrejtscheff, K.Ya.Gromov, T.A.Islamov, A.Karakhodzhaev, N.Z.Marupov, K.M.Muminov, T.M.Muminov, Sh.Omanov, U.S.Salikhbaev, R.R.Usmanov

Investigation of the Decay 155Ho → 155Dy

RADIOACTIVITY 155Ho [from Ta(p, X), E=660 MeV]; measured Eγ, Iγ, I(ce), γγ(t), γ(ce)(t). 155Dy deduced levels, J, π, T1/2, B(λ). Ge(Li) detectors, β-spectrograph, plastic scintillators, natural targets.


1979AL33      Nukleonika 24, 1139 (1979)

B.A.Alikov, N.Z.Marupov, K.M.Muminov, R.R.Usmanov, U.S.Salikhbaev, A.Voitsekhovska, V.G.Kalinnikov, V.V.Kuznetsov, V.I.Stegailov, W.Andrejtscheff, G.I.Lizurei

The Lifetimes of the Excited States in 157Ho and 157Er

RADIOACTIVITY 157Er, 157Ho(β+), (EC); measured I(ce)γ-coin; deduced T1/2. 157Ho, 157Dy deduced γ transition probabilities, β(λ).


1979AN06      Yad.Fiz. 29, 849 (1979); Sov.J.Nucl.Phys. 29, 437 (1979)

W.Andrejtscheff, Z.T.Zhelev, M.Enikova, K.M.Muminov, T.M.Muminov, U.S.Salikhbaev

l-Forbidden M1 Transitions in 131Ba and 133Ba

RADIOACTIVITY 131,133La; measured Eγ, Iγ, γce(t). 131,133Ba levels deduced T1/2, B(M1), B(E2).


1979AN19      Nucl.Phys. A325, 317 (1979)

W.Andrejtscheff, K.D.Schilling

Transition Probabilities and Deformations in the Doubly Odd Nucleus 152Eu

NUCLEAR REACTIONS 151Eu(n, γ), E=thermal; measured γγ(t). 152Eu levels deduced T1/2, B(λ), β. Enriched target. Plastic scintillator, Ge(Li) detector.

doi: 10.1016/0375-9474(79)90020-4
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1978AD03      Nucl.Phys. A311, 188 (1978)

I.Adam, W.Andrejtscheff, K.Y.Gromov, M.Honusek, V.V.Kuznetsov, H.I.Lizurej, N.Z.Marupov, T.M.Muminov, A.F.Novgorodov, H.U.Siebert, R.R.Usmanov, Y.V.Yushkevich, K.D.Schilling

Excited States of the Doubly Odd Deformed Nucleus 160Tm

RADIOACTIVITY 160Yb [from Ta, Hf(p, X), E=660 MeV]; measured Eγ, Iγ, E(ce), I(ce), prompt γγ-coin, delayed γγ, γce-coin; deduced ICC, log ft. 160Tm deduced levels, J, π, T1/2, γ-multipolarity, B(λ), quadrupole deformation. Natural Ta, Hf targets, mass-separated isobar sources. Ge(Li), scintillation detectors, β-spectrometers.

doi: 10.1016/0375-9474(78)90509-2
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1978AN22      Z.Phys. A289, 107 (1978)

W.Andrejtscheff, R.D.Schilling

Collective Contributions to E1, ΔK=1 Matrix Elements in Odd-Odd Deformed Nuclei

NUCLEAR REACTIONS 164Dy(n, γ), E not given; measured γγ(t). 165Dy 184.3-keV level deduced T1/2, E1 transition matrix-element associated with 5/2- to 7/2+. Enriched target.

doi: 10.1007/BF01408502
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1978AN25      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 2257 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.11, 33 (1978)

W.Andrejtscheff, G.I.Lizurei, M.M.Malikov, T.M.Muminov, S.Omanov, R.R.Usmanov

Decay of 153Ho → 153Dy (T1/2 = 9, 3 min)

RADIOACTIVITY 153Ho [from Ta(p, X), E=660 MeV]; measured Eγ, Iγ, γce-coin, γγ(t). 153Dy levels deduced T1/2.


1978AN27      Nukleonika 23, 159 (1978)

W.Andrejtscheff, U.Hagemann, L.Kaubler, H.Prade, K.D.Schilling, L.Schneider, F.Stary

In-Beam Gamma-Spectroscopic Investigations of Nanosecond Isomers

NUCLEAR REACTIONS 143Nd(d, 2n), E=13.5 MeV; 141Pr(α, 2n), E=22.4, 24.4, 27.0 MeV; measured Eγ, γ(t), γγ-coin, I(ce), linear polarization, γ(θ, H, t). 143Pm deduced levels, T1/2, g, δ.


1978SC10      Nucl.Phys. A299, 189 (1978)

K.D.Schilling, L.Kaubler, W.Andrejtscheff, T.M.Muminov, V.G.Kalinnikov, N.Z.Marupov, F.R.May, W.Seidel

Electromagnetic Transitions in Some Doubly Odd Deformed Nuclei

RADIOACTIVITY 156,158Er, 162mHo, 162Yb [from Ta+p, Ep=660 MeV]; measured γce-delay. 156,158,162Ho, 162Tm levels deduced T1/2, B(λ). Natural targets. Plastic scintillators, magnetic lens β-spectrometer.

NUCLEAR REACTIONS 160Gd, 162,164Dy, 178Hf(p, n), E=8-10 MeV; 162,164Dy(d, 2n), E=13.5 MeV; 176Lu(α, 2n), E=27 MeV; 159Tb, 165Ho, 185,187Re(n, γ), E=thermal; measured γγ-, dγ-, αγ-delay. 160Tb, 162,164,166Ho, 178Ta, 186,188Re levels deduced T1/2, B(λ). Enriched targets. Plastic, NaI(Tl) scintillators, Ge(Li) detectors.

doi: 10.1016/0375-9474(78)90028-3
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1977SC22      J.Phys.(London) G3, 1255 (1977)

K.D.Schilling, W.Andrejtscheff, G.Winter

Hexadecapole Deformations and E1 Transitions in Odd-A Ho and Tm Nuclei

NUCLEAR STRUCTURE 161,163,165Ho, 163,165,167,169,171Tm; calculated B(E1).

doi: 10.1088/0305-4616/3/9/016
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1976AN03      Phys.Lett. 60B, 241 (1976)

W.Andrejtscheff, K.D.Schilling, G.Winter

The Effect of Hexadecapole Deformations on E1 Transition Strengths

NUCLEAR STRUCTURE 161,163,165Ho, 165,167,169,171Tm; analyzed B(E1); deduced effect of hexadecapole deformations.

doi: 10.1016/0370-2693(76)90290-2
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1976AN19      Fiz.Elem.Chastits At.Yadra 7, 1039 (1976); Sov.J.Part.Nucl. 7, 415 (1976)

W.Andrejitscheff

Absolute Electromagnetic Transition Probabilities in Odd Deformed Nuclei

NUCLEAR STRUCTURE A=150-190; calculated, reviewed absolute B(λ) in odd deformed nuclei.


1976SC19      Nucl.Phys. A265, 58 (1976)

K.D.Schilling, L.Kaubler, F.Stary, W.Andrejtscheff

Electromagnetic Transitions in Some Odd-Proton Deformed Nuclei

NUCLEAR REACTIONS 161Dy, 171Yb(p, n), E=8.5 MeV; 163Dy, 173Yb(p, n), E=8 MeV; measured γγ-delay. 161,163Ho, 171,173Lu levels deduced T1/2, B(λ). Enriched targets. Plastic scintillator, Ge(Li) detector.

doi: 10.1016/0375-9474(76)90115-9
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1975AN03      Phys.Lett. 55B, 159 (1975)

W.Andrejtscheff, P.Manfrass

Evidence for the Quasiparticle-Phonon Interaction in Odd-Mass Deformed Nuclei

NUCLEAR STRUCTURE 172,173Yb; analyzed B(λ) systematics.

doi: 10.1016/0370-2693(75)90432-3
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1975AN21      At.Data Nucl.Data Tables 16, 515 (1975)

W.Andrejtscheff, K.D.Schilling, P.Manfrass

Gamma-Ray Transition Probabilities in Deformed Nuclei (150 < A ≤ 190)

COMPILATION A=150-190; compiled Eγ, B(λ), ICC.

doi: 10.1016/0092-640X(75)90023-6
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1974AN04      Nucl.Phys. A220, 438 (1974)

W.Andrejtscheff, P.Manfrass, H.Prade, K.D.Schilling, G.Winter, H.Fuia, R.Ion-Mihai, A.B.Khalikulov, V.A.Morozov, N.Z.Marupov, T.M.Muminov

Electromagnetic Transition Probabilities in Odd-Mass Erbium Isotopes

RADIOACTIVITY 163,165Tm [from Ta+p, Ep=660 MeV]; measured γce- delay. 163,165Er deduced levels, T1/2. Natural target.

NUCLEAR REACTIONS 161,163Dy(α, 2n), Eα=27 MeV; measured Eγ, γγ-delay. 163,165Er deduced levels, J, π, T1/2. Enriched targets.

doi: 10.1016/0375-9474(74)90127-4
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1974AN11      Nucl.Phys. A225, 300 (1974)

W.Andrejtscheff, P.Manfrass, K.D.Schilling, W.Seidel

Electromagnetic Transitions in Some Odd-Neutron Deformed Nuclei

NUCLEAR REACTIONS 155,157Gd, 177Hf(α, 2n), Eα=27 MeV; 178Hf(n, γ), E=thermal; measured αγ-, γγ-delay. 157,159Dy, 179W, 179Hf deduced levels, T1/2. Enriched targets, Ge(Li) detectors.

doi: 10.1016/0375-9474(74)90543-0
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1974AN12      Nucl.Phys. A226, 142 (1974)

W.Andrejtscheff, P.Manfrass, W.Seidel

Transition Probabilities in the Doubly Odd Nuclei 176Lu and 182Ta

NUCLEAR REACTIONS 175Lu(n, γ), E=thermal; measured γγ(t). 176Lu deduced levels, T1/2. 181Ta(n, γ), E=thermal; measured Eγ, γγ(t). 182Ta deduced levels, T1/2, J, π. Enriched Lu, natural Ta targets. Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(74)90605-8
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1974AN31      Izv.Akad.Nauk SSSR, Ser.Fiz. 38, 2161 (1974); Bull.Acad.Sci.USSR, Phys.Ser. 38, No.10, 125 (1974)

W.H.Andrejtscheff, H.Winter, W.Seidel, P.Manfrass, H.Prade, K.D.Schilling

Transition Probabilities and Band Mixing in Odd-N Deformed Nuclei

NUCLEAR STRUCTURE 165Er; calculated levels, J, K, π, band-mixing.


1974MA26      Nucl.Phys. A226, 157 (1974)

P.Manfrass, W.Andrejtscheff, P.Kemnitz, E.Will, G.Winter

Levels in 179Ta and γ-Ray Transition Probabilities in 179Ta and 183Re

NUCLEAR REACTIONS 179Hf(d, 2nγ), E=13.5 MeV; measured Eγ, Iγ, γγ-coin, γγ(t), γγ-delay. 179Hf(p, nγ), E=6.7, 9.8 MeV; measured Eγ, Iγ, γγ-coin, γγ(t). 179Ta deduced levels, T1/2, J, π. 181Ta(α, 2nγ), E=27 MeV; measured Eγ, Iγ, γγ(t). 183Re deduced levels, T1/2. Natural Ta target, enriched Hf target.

doi: 10.1016/0375-9474(74)90606-X
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1974WI06      Nucl.Phys. A223, 320 (1974)

G.Winter, W.Andrejtscheff, L.Funke, P.Manfrass, H.Sodan

The Rotational Bands 1/2+[411] and 1/2-[541] in 175Lu

NUCLEAR REACTIONS 176Yb(p, 2nγ), E=6.8-10 MeV; measured Eγ, σ(Eγ), γγ(t), γγ-coin. 175Lu deduced levels, J, T1/2, π. Enriched target.

doi: 10.1016/0375-9474(74)90416-3
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1973AN09      Phys.Lett. 44B, 351 (1973)

W.Andrejtscheff, F.-R.May, L.Munchow, S.Frauendorf

The Influence of 1QP-State Equilibrium Deformations on E1 Transition Probabilities

NUCLEAR STRUCTURE 171,173Lu; calculated E1 transition probabilities.

doi: 10.1016/0370-2693(73)90404-8
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1973SC20      Nucl.Phys. A208, 417 (1973)

K.D.Schilling, W.Andrejtscheff, F.Dubbers, P.Manfrass

Isomeric E1 and M1 Transitions in 177Ta and in Neighbouring Odd-A Lu and Ta Isotopes

NUCLEAR REACTIONS 175Lu(α, 2nγ), Eα=27 MeV; 171,173Yb(d, 2nγ), Ed=13.5 MeV; measured αγ-, dγ-, γγ- delay. 177Ta, 171,173Lu levels deduced T1/2. Ge(Li) detectors. Natural Lu, enriched Yb targets.

doi: 10.1016/0375-9474(73)90385-0
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1972AN01      Nucl.Phys. A178, 563 (1972)

W.Andrejtscheff

Absolute γ-Ray Transition Probabilities in Doubly Odd Deformed Nuclei

doi: 10.1016/0375-9474(72)90481-2
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1972AN04      Phys.Lett. 40B, 92 (1972)

W.Andrejtscheff, P.Manfrass, K.-D.Schilling

A Retarded E1 Transition with ΔK = 1 in 173Hf

NUCLEAR REACTIONS 171Yb(α, 2nγ), E not given; measured γγ-delay. 173Hf level deduced T1/2, hindrance factor.

doi: 10.1016/0370-2693(72)90292-4
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1972AN06      Nucl.Phys. A190, 489 (1972)

W.Andrejtscheff, F.Dubbers, P.Manfrass, K.-D.Schilling

Isomeric E1 Transitions with ΔK = 0 in 171,173Lu

RADIOACTIVITY 173Hf[from 171Yb(α, 2n)]; measured Xkγ-delay. 173Lu deduced levels T1/2. Enriched targets.

NUCLEAR REACTIONS 169Tm(α, 2n), Eα=27 MeV; measured αγ-, γγ-delay. 171Lu deduced levels T1/2.

doi: 10.1016/0375-9474(72)90852-4
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1972MA54      Nucl.Phys. A194, 561 (1972)

P.Manfrass, W.Andrejtscheff

Abregung der 1/2-[541] und 1/2+[411] Banden im 177Lu

NUCLEAR REACTIONS 176Lu(n, γ), E=thermal; measured γγ-coin, γγ-delay. 177Lu deduced levels T1/2, J, π. Enriched target.

doi: 10.1016/0375-9474(72)91002-0
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1971AN07      Nucl.Phys. A168, 513 (1971)

W.Andrejtscheff, K.-D.Schilling, F.Stary, F.Dubbers

Lifetimes of Excited States in the 89-Neutron Nucleus 151Sm

RADIOACTIVITY 151Pm[from 150Nd(n, γβ-)]; measured βγ-delay, γce-delay. 151Sm levels deduced T1/2. Enriched target.

doi: 10.1016/0375-9474(71)90544-6
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1969AN13      Nucl.Phys. A135, 170 (1969)

W.Andrejtscheff, L.Funke, W.Meiling, F.Stary

±-Forbidden E1 Transitions in 182Re

RADIOACTIVITY 182Os [from 180W(α, 2n)]; measured Eγ, Iγ, γγ-coin., γγ-delay. 182Re deduced level J, π. Enriched target.

doi: 10.1016/0375-9474(69)90156-0
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1969AN17      Nucl.Phys. A137, 693 (1969)

W.Andrejtscheff, F.Dubbers, K.-D.Schilling, F.Stary

Lifetime Measurements in 187Re and 189Os

RADIOACTIVITY 187W [from 186W(n, γ)]; measured βγ-delay. 189Ir[from 187Re(α, 2n)]; measured γce-delay. 187Re level deduced T1/2. 189Os level deduced T1/2, quadrupole moment.

doi: 10.1016/0375-9474(69)90103-1
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1969AN19      Nucl.Phys. A137, 474 (1969)

W.Andrejtscheff, W.Meiling, F.Stary

Nanosecond Isomeric Transitions in the 89-Neutron Nucleus 153Gd

RADIOACTIVITY 153Tb [from 151Eu(α, 2n)]; measured γce-, γγ-delay. 153Gd deduced levels T1/2 J, π, Q0. Enriched target.

doi: 10.1016/0375-9474(69)90121-3
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1968AN09      Phys.Letters 27B, 502 (1968)

W.Andrejtscheff, W.Meiling

Lebensdauermessungen beim 156Sm-Zerfall

RADIOACTIVITY 153,156Sm[from U(n, F)]; measured βγ-, γγ-delay. 153,156Eu levels deduced T1/2.

doi: 10.1016/0370-2693(68)90206-2
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1968FU07      Contrib.Intern.Conf.Nucl.Struct., Dubna, p.38 (1968)

L.Funke, W.Andrejtscheff, H.Graber, U.Hagemann, K.-H.Kaun, P.Kemnitz, W.Meiling, H.Sodan, F.Stary, G.Winter

Levels in 167Er

RADIOACTIVITY 167Ho; measured Eβ, Eγ, Iγ. 167Er deduced levels, J, π.


1968FU09      Nucl.Phys. A118, 97 (1968)

L.Funke, W.Andrejtscheff, H.Graber, U.Hagemann, K.-H.Kaun, P.Kemnitz, W.Meiling, H.Sodan, F.Stary, G.Winter

Niveaustruktur in 167Er

RADIOACTIVITY 167Ho, 167Tm [from 168Er(γ, p), 164Dy(α, p), 165Ho(α, 2n)]; measured Eβ, Iβ, Eγ, Iγ, γγ-coin, βγ-, γγ-delay. 167Er deduced levels, J, π. Enriched targets.

doi: 10.1016/0375-9474(68)90189-9
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1967ME01      Nucl.Phys. A91, 49 (1967)

W.Meiling, F.Stary, W.Andrejtscheff

Messung Verzogerter Koinzidenzen beim 183Ta- und 183Re-Zerfall

RADIOACTIVITY 183Ta [from 181Ta(2n, γ), 180Hf(α, p)], 183Re [from 181Ta(α, 2n)]; measured βγ-, γγ-, Xγ-delay. 183W deduced level T1/2. Natural, enriched targets.

doi: 10.1016/0375-9474(67)90449-6
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Note: The following list of authors and aliases matches the search parameter W.Andrejtscheff: , W.H.ANDREJTSCHEFF