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NSR database version of April 27, 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, T_1/2, 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, ^{110,112,114,116}Cd, ^{116,118,120,122,124}Sn, ^{122,124,126,130}Te, ^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 ^{114,116,118,120,122,124,126,128,130}Te; 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, T_1/2, 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 T_1/2. 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 T_1/2. 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 T_1/2, 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 T_1/2, 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 T_1/2, 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, T_1/2, 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, T_1/2, 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, T_1/2, 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 g_9/2 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, T_1/2, 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 ^{124,126,128,130,132}Ba; 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 T_1/2, 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 T_1/2, 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, T_1/2, 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 T_1/2, 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, T_1/2, 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 T_1/2, 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 T_1/2, 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 T_1/2.

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, T_1/2, 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 T_1/2, 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, T_1/2, 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, T_1/2, 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 T_1/2, 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 T_1/2, 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 T_1/2. ⁸⁷Y deduced levels, T_1/2, 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 T_1/2, 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 T_1/2, 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 T_1/2. 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, T_1/2, 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 T_1/2, 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, T_1/2, 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, T_1/2, 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, T_1/2, 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), T_1/2. 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 ^{109,111,113,115,117,119,121}Sn; 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, ^{113,115,117,119,121}Sb, ^{109,111,113,115,117,119,121}Sn, 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, T_1/2, 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 T_1/2, 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 T_1/2, 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 T_1/2, 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, T_1/2.

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 T_1/2. ¹⁰⁰Pd deduced levels, γ-branching, relative Iγ, isomer T_1/2.

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). ^{175,176,177,178}Hf levels deduced T_1/2, 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 T_1/2, B(λ). ¹³¹La levels deduced T_1/2. 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 ^{120,122,124,126,128,130}Te(³²S, ³²S'), E ≈ 80 MeV; measured γ(θ, H), Coulomb excitation, ³²Sγ(θ). ^{120,122,124,126,128,130}Te 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, ^{152,154,156,158}Gd, ^152,154Sm, ^{154,156,158,160,162,164}Dy, ^{156,158,160,162,164,166,168,170}Er, ^{160,162,164,166,168,170,172,174,176}Yb, ^{166,168,170,178,180}Hf, ^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 T_1/2. 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, T_1/2, 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 T_1/2. 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 T_1/2, 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 T_1/2, 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, T_1/2, 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 T_1/2, 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 T_1/2.

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, T_1/2, 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 T_1/2, 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 T_1/2, 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, ^{163,165,167,169,171}Tm; 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, ^{165,167,169,171}Tm; 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 T_1/2, 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, T_1/2. Natural target.

NUCLEAR REACTIONS ^161,163Dy(α, 2n), Eα=27 MeV; measured Eγ, γγ-delay. ^163,165Er deduced levels, J, π, T_1/2. 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, T_1/2. 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, T_1/2. ¹⁸¹Ta(n, γ), E=thermal; measured Eγ, γγ(t). ¹⁸²Ta deduced levels, T_1/2, 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, T_1/2, J, π. ¹⁸¹Ta(α, 2nγ), E=27 MeV; measured Eγ, Iγ, γγ(t). ¹⁸³Re deduced levels, T_1/2. 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, T_1/2, 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 T_1/2. 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 T_1/2, 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 T_1/2. Enriched targets.

NUCLEAR REACTIONS ¹⁶⁹Tm(α, 2n), Eα=27 MeV; measured αγ-, γγ-delay. ¹⁷¹Lu deduced levels T_1/2.

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 T_1/2, 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 T_1/2. 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 T_1/2. ¹⁸⁹Os level deduced T_1/2, 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 T_1/2 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 T_1/2.

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 T_1/2. 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