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NSR database version of April 27, 2024.

Search: Author = O.Beck

Found 19 matches.

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2000BR05      Phys.Rev. C61, 024309 (2000)

J.Bryssinck, L.Govor, V.Yu.Ponomarev, F.Bauwens, O.Beck, D.Belic, P.von Brentano, D.De Frenne, T.Eckert, C.Fransen, K.Govaert, R.-D.Herzberg, E.Jacobs, U.Kneissl, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, V.Werner

Systematic Study of Electric Quadrupole Excitations in the Stable Even Mass Sn Nuclei

NUCLEAR REACTIONS ^{116,118,120,122,124}Sn(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. ^{116,118,120,122,124}Sn deduced levels J, π, B(E1), B(E2).

doi: 10.1103/PhysRevC.61.024309
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2000BR33      Phys.Rev. C62, 014309 (2000)

J.Bryssinck, L.Govor, V.Yu.Ponomarev, F.Bauwens, O.Beck, D.Belic, P.von Brentano, D.De Frenne, C.Fransen, R.-D.Herzberg, E.Jacobs, U.Kneissl, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, V.Werner

Search for the Electric Dipole Excitations to the 3s_1/2 (x) [2₁⁺ (x) 3₁^-] Multiplet in ¹¹⁷Sn

NUCLEAR REACTIONS ¹¹⁷Sn(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ(θ). ¹¹⁷Sn deduced levels, widths, excitation B(E1). Comparison with quasiparticle phonon model calculations.

doi: 10.1103/PhysRevC.62.014309
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Data from this article have been entered in the XUNDL database. For more information, click here.

1999BR12      Phys.Rev. C59, 1930 (1999)

J.Bryssinck, L.Govor, D.Belic, F.Bauwens, O.Beck, P.von Brentano, D.De Frenne, T.Eckert, C.Fransen, K.Govaert, R.-D.Herzberg, E.Jacobs, U.Kneissl, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, V.Yu.Ponomarev, V.Werner

Uniform Properties of J^π = 1^- Two-Phonon States in the Semimagic Even-Even Tin Isotopes ^{116, 118, 120, 122, 124}Sn

NUCLEAR REACTIONS ^{116,118,120,122,124}Sn(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. ^{116,118,120,122,124}Sn deduced levels, J, π, excitation B(M1), two-phonon excitations. Quasiparticle-phonon model calculations.

doi: 10.1103/PhysRevC.59.1930
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1999FR06      Phys.Rev. C59, 2264 (1999)

C.Fransen, B.Krischok, O.Beck, J.Besserer, P.von Brentano, T.Eckert, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Zilges

Low-Lying Dipole Excitations in the Transitional Nuclei ^{190, 192}Os

NUCLEAR REACTIONS ^190,192Os(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ(θ). ^190,192Os deduced levels, J, π, B(M1), dipole excitation strength distribution, scissors mode. Comparison with IBM-2 predictions.

doi: 10.1103/PhysRevC.59.2264
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1999LE31      Phys.Rev. C60, 024308 (1999)

H.Lehmann, A.Nord, A.E.de Almeida Pinto, O.Beck, J.Besserer, P.von Brentano, S.Drissi, T.Eckert, R.-D.Herzberg, D.Jager, J.Jolie, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz

Dipole Excitations in the Vibrational Nucleus ¹¹²Cd

NUCLEAR REACTIONS ¹¹²Cd(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. ¹¹²Cd deduced levels, J, π, decay branching ratios, B(M1), B(E1). Nuclear resonance fluorescence technique. Comparison with IBM calculations.

doi: 10.1103/PhysRevC.60.024308
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Data from this article have been entered in the XUNDL database. For more information, click here.

1999PO22      Phys.Rev.Lett. 83, 4029 (1999)

V.Yu.Ponomarev, J.Bryssinck, L.Govor, F.Bauwens, O.Beck, D.Belic, P.von Brentano, D.De Frenne, C.Fransen, R.-D.Herzberg, E.Jacobs, U.Kneissl, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, V.Werner

Strong Fragmentation of Low-Energy Electromagnetic Excitation Strength in ¹¹⁷Sn

NUCLEAR REACTIONS ¹¹⁷Sn(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, integral elastic σ. ¹¹⁷Sn deduced fragmentation of low-energy electromagnetic excitation strength. Comparison with microscopic calculations. Nuclear resonance fluorescence technique.

doi: 10.1103/PhysRevLett.83.4029
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Data from this article have been entered in the XUNDL database. For more information, click here.

1998FR01      Phys.Rev. C57, 129 (1998)

C.Fransen, O.Beck, P.von Brentano, T.Eckert, R.-D.Herzberg, U.Kneissl, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Zilges

Systematics of Low-Lying Electric Dipole Excitations in the A ≈ 130-200 Mass Region

NUCLEAR STRUCTURE Z=56-76; compiled, analyzed low-lying B(E1) data; deduced shell, deformation effects.

doi: 10.1103/PhysRevC.57.129
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1998NO09      Phys.Rev. C57, 3459 (1998)

A.Nord, S.W.Yates, O.Beck, D.Belic, P.von Brentano, T.Eckert, C.Fransen, R.-D.Herzberg, U.Kneissl, H.Maser, N.Pietralla, H.H.Pitz, V.Werner

Low-Lying Dipole Strength in ²⁰⁷Pb

NUCLEAR REACTIONS ²⁰⁷Pb(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. ²⁰⁷Pb deduced levels dipole strengths. Nuclear resonance flourescence technique.

doi: 10.1103/PhysRevC.57.3459
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1998WO06      Phys.Rev. C58, 765 (1998)

A.Wolpert, O.Beck, D.Belic, J.Besserer, P.von Brentano, T.Eckert, C.Fransen, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz

Low-Lying Dipole Excitations in the Heavy, Odd-Mass Nucleus ¹⁸¹Ta

NUCLEAR REACTIONS ¹⁸¹Ta(γ, γ'), E=2.7, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. ¹⁸¹Ta deduced levels, B(E1), B(M1), gΓ₀. Nuclear resonance flourescence.

doi: 10.1103/PhysRevC.58.765
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1997BE43      Phys.Rev. C56, 1276 (1997)

J.Besserer, O.Beck, P.von Brentano, T.Eckert, R.-D.Herzberg, D.Jager, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Zilges

Fragmentation of Low-Lying Dipole Strength in the Odd-Mass Nucleus ¹³³Cs

NUCLEAR REACTIONS ¹³³Cs(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ. ¹³³Cs deduced levels, J, π, Γ₀, B(M1), B(E1), dipole strength distributions. Nuclear resonance flourescence technique. Data from other nuclei compared.

doi: 10.1103/PhysRevC.56.1276
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1997EC01      Phys.Rev. C56, 1256 (1997); Erratum Phyhs.Rev. C57, 1007 (1998)

T.Eckert, O.Beck, J.Besserer, P.von Brentano, R.Fischer, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, S.W.Yates, A.Zilges

Dipole Excitations in the Transitional Nucleus ¹⁴⁴Nd Studied in Photon Scattering Experiments

NUCLEAR REACTIONS ¹⁴⁴Nd(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ(θ). ¹⁴⁴Nd deduced levels, J, π, Γ₀, B(M1), B(E1), dipole strength distributions, two-phonon excitation. Nuclear resonance flourescence technique, data from other nuclei compared.

doi: 10.1103/PhysRevC.56.1256
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1997HE16      Phys.Rev. C56, 2484 (1997)

R.-D.Herzberg, C.Fransen, R.Fischer, O.Beck, D.Belic, J.Besserer, P.von Brentano, T.Eckert, U.Kneissl, B.Krischok, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Wolpert, A.Zilges

Observation of an Octupole × Quasiparticle Band in ¹⁷⁵Lu using Photon Scattering Experiments

NUCLEAR REACTIONS ¹⁷⁵Lu(γ, γ'), E=2.6, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. ¹⁷⁵Lu deduced levels, J, π, branching ratios, B(E1) vs E, transition Γ, evidence for octupole vibration. Nuclear resonance fluorescence technique.

doi: 10.1103/PhysRevC.56.2484
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1997PI08      Nucl.Phys. A618, 141 (1997)

N.Pietralla, O.Beck, J.Besserer, P.von Brentano, T.Eckert, R.Fischer, C.Fransen, R.-D.Herzberg, D.Jager, R.V.Jolos, U.Kneissl, B.Krischok, J.Margraf, H.Maser, A.Nord, H.H.Pitz, M.Rittner, A.Schiller, A.Zilges

The Scissors Mode and Other Magnetic and Electric Dipole Excitations in the Transitional Nuclei ^178,180Hf

NUCLEAR REACTIONS ^178,180Hf(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ(θ). ^178,180Hf deduced levels, J, decay widths, branching ratios, Γ₀, B(λ). Scissors mode, M1 sum rules, electric dipole excitations, octupole vibrational bands, K-mixing. Nuclear resonance fluorescence technique.

doi: 10.1016/S0375-9474(97)00054-7
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1996MA18      Phys.Rev. C53, 2749 (1996)

H.Maser, S.Lindenstruth, I.Bauske, O.Beck, P.von Brentano, T.Eckert, H.Friedrichs, R.D.Heil, R.-D.Herzberg, A.Jung, U.Kneissl, J.Margraf, N.Pietralla, H.H.Pitz, C.Wesselborg, A.Zilges

Systematics of Low-Lying Dipole Excitations in the Deformed Even-Even Nuclei ^{164,166,168,170}Er

NUCLEAR REACTIONS ^{164,166,168,170}Er(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry. ^{164,166,168,170}Er deduced levels, J, π, K, Γ₀, B(λ). Enriched targets.

doi: 10.1103/PhysRevC.53.2749
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0861. Data from this article have been entered in the XUNDL database. For more information, click here.

1996NO10      Phys.Rev. C54, 2287 (1996)

A.Nord, A.Schiller, T.Eckert, O.Beck, J.Besserer, P.von Brentano, R.Fischer, R.-D.Herzberg, D.Jager, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz, M.Rittner, A.Zilges

Systematic Study of the Fragmentation of Low-Lying Dipole Strength in Odd-A Rare Earth Nuclei Investigated in Nuclear Resonance Fluorescence Experiments

NUCLEAR REACTIONS ¹⁵⁵Gd, ¹⁵⁹Tb(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ. ¹⁵⁵Gd, ¹⁵⁹Tb deduced levels, (gΓ₀), B(λ). Enriched targets. Other nuclei dipole fragmentation data considered.

doi: 10.1103/PhysRevC.54.2287
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0859.

1995MA69      Phys.Rev. C52, 2429 (1995)

J.Margraf, T.Eckert, M.Rittner, I.Bauske, O.Beck, U.Kneissl, H.Maser, H.H.Pitz, A.Schiller, P.von Brentano, R.Fischer, R.-D.Herzberg, N.Pietralla, A.Zilges, H.Friedrichs

Systematics of Low-Lying Dipole Strengths in Odd and Even Dy and Gd Isotopes

NUCLEAR REACTIONS ^{160,162,164,161,163}Dy, ^{160,156,157,158}Gd(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ, γ asymmetry in some cases. ^{164,162,161,163,160}Dy, ¹⁵⁷Gd deduced levels, J, π, K, Γ₀, B(λ). Enriched targets.

doi: 10.1103/PhysRevC.52.2429
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Data from this article have been entered in the XUNDL database. For more information, click here.

1995PI02      Phys.Rev. C51, 1021 (1995)

N.Pietralla, I.Bauske, O.Beck, P.von Brentano, W.Geiger, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz, A.Zilges

Absolute Level Widths in ²⁷Al Below 4 MeV

NUCLEAR REACTIONS ²⁷Al(γ, γ'), E < 4.2 MeV bremsstrahlung; measured Eγ, nuclear self absorption. ²⁷Al deduced level widths, Γ, T_1/2.

doi: 10.1103/PhysRevC.51.1021
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1994MO18      Phys.Rev. C50, 2222 (1994)

R.Moreh, O.Beck, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz, R.-D.Herzberg, N.Pietralla, A.Zilges

Width of the 3841-keV Level in ¹⁷O

NUCLEAR REACTIONS ¹⁷O(γ, γ'), E=4.7 MeV bremsstrahlung; measured scattering σ. ¹⁷O level deduced Γ. Enriched target.

doi: 10.1103/PhysRevC.50.2222
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1993MO23      Phys.Rev. C48, 2625 (1993)

R.Moreh, O.Beck, I.Bauske, W.Geiger, R.D.Heil, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz

Precise Widths of the 3089 and 3684 keV Levels in ¹³C

NUCLEAR REACTIONS ¹³C(γ, γ'), E=4.7 MeV bremsstrahlung; measured precise Eγ, Iγ. ¹³C levels deduced Γ₀. Self-absorption technique, enriched target, amorphous ¹³C absorbers.

doi: 10.1103/PhysRevC.48.2625
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