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NSR database version of April 11, 2024.

Search: Author = V.Grafen

Found 10 matches.

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1994LE22      Nucl.Phys. A576, 267 (1994)

A.I.Levon, J.de Boer, G.Graw, R.Hertenberger, D.Hofer, J.Kvasil, A.Losch, E.Muller-Zanotti, M.Wurkner, H.Baltzer, V.Grafen, C.Gunther

The Nuclear Structure of 229Pa from the 231Pa(p, t)229Pa and 230Th(p, 2nγ)229Pa Reactions

NUCLEAR REACTIONS 231Pa(p, t), E=22 MeV; 230Th(p, 2n), E=14 MeV; measured σ(Et, θ), Eγ, Iγ, I(ce), (e-)γ-, (e-)(e-)-coin. 229Pa deduced high-spin levels, J, π, rotational bands, octupole deformation. Q3D magnetic spectrometer, Ge detectors, orange spectrometers, enriched radioactive targets.

doi: 10.1016/0375-9474(94)90260-7
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0291.


1994LO10      Z.Phys. A348, 235 (1994)

A.Losch, J.de Boer, K.Kvasil, A.I.Levon, M.Wurkner, H.Baltzer, V.Grafen, C.Gunther

The Low-Lying Levels in 229Pa and Parity Doublets

NUCLEAR REACTIONS 230Th(p, 2n), 231Pa(p, t), E not given; analyzed data. 229Pa deduced levels, J, π, configuration, band structure. Particle, conversion-electron-gamma spectroscopy.


1993AC02      Nucl.Phys. A559, 61 (1993)

B.Ackermann, H.Baltzer, C.Ensel, K.Freitag, V.Grafen, C.Gunther, P.Herzog, J.Manns, M.Marten-Tolle, U.Muller, J.Prinz, I.Romanski, R.Tolle, J.deBoer, N.Gollwitzer, H.J.Maier

Collective E1 Transitions in Even-A Ra, Th, and U Nuclei

NUCLEAR REACTIONS 226Ra(α, xn), 230,232Th(α, 4n), E=28, 42, 55 MeV; 226Ra, 230,232Th(d, np), E=23, 28 MeV; measured Eγ, Iγ, I(ce), (e-)γ-coin. 226Ra, 224,226,228,230,232Th, 230,232U deduced levels, B(λ) ratios, intrinsic electric dipole moments. Other data input.

RADIOACTIVITY 228Pa(EC), (α); 230Pa(EC), (α), (β-) [from 232Th(p, xn)]; measured Iγ, I(ce). 226Ra, 224,226,228,230,232Th, 230,232U deduced levels, B(E1)/B(E2) ratios, intrinsic electric dipole moments. Other data input.

doi: 10.1016/0375-9474(93)90180-6
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


1992DE51      Z.Phys. A344, 41 (1992)

J.de Boer, N.Gollwitzer, A.Losch, H.J.Maier, H.Muller, M.Rohn, B.Ackermann, T.Bihn, V.Grafen, C.Gunther, M.Marten-Tolle, N.Singh, R.Tolle

In-Beam Spectroscopy of 231Pa

NUCLEAR REACTIONS 232Th(p, 2n), E=14 MeV; measured I(ce), (ce)(ce)-, γ(ce)-coin. 231Pa(32S, 32S'), E=140 MeV; 231Pa(α, α'), E=17 MeV; measured Eγ, Iγ, following Coulomb excitation. 231Pa deduced levels, J, π, M1, E2 transition Iγ, B(λ), quadrupole moment.

doi: 10.1007/BF01291018
Citations: PlumX Metrics


1991GR13      Phys.Rev. C44, R1728 (1991)

V.Grafen, B.Ackermann, H.Baltzer, T.Bihn, C.Gunther, J.deBoer, N.Gollwitzer, G.Graw, R.Hertenberger, H.Kader, A.Levon, A.Losch

Does a (5/2)+ - (5/2)- Ground-State Parity Doublet Exit in 229Pa ( Question )

NUCLEAR REACTIONS 230Th(p, 2n), E=14 MeV; measured γ(ce)-, (ce)n-coin. 231Pa(p, t), E=45 MeV; 231Pa, 235U(p, t), E=22 MeV; measured σ(Et). 229Pa deduced levels, J, π, band structure.

doi: 10.1103/PhysRevC.44.R1728
Citations: PlumX Metrics


1990HU04      Nucl.Phys. A512, 275 (1990)

J.R.Hughes, R.Tolle, J.de Boer, P.A.Butler, C.Gunther, V.Grafen, N.Gollwitzer, V.E.Holliday, G.D.Jones, C.Lauterbach, M.Marten-Tolle, S.M.Mullins, R.J.Poynter, R.S.Simon, N.Singh, R.J.Tanner, R.Wadsworth, D.L.Watson, C.A.White

Octupole Correlations in 225Th

NUCLEAR REACTIONS 226Ra(α, 5n), E=50 MeV; measured Eγ, Iγ, Iγ(θ), I(ce), γγ-, e-n-, e-e--, e-γ-coin, γ-branching ratios. 225Th deduced levels, J, π, rotational bands, dipole moment. Radioactive target.

doi: 10.1016/0375-9474(90)93272-8
Citations: PlumX Metrics


1990MA20      Z.Phys. A336, 27 (1990)

M.Marten-Tolle, B.Ackermann, H.Baltzer, T.Bihn, V.Grafen, C.Gunther, H.Hausmann, N.Singh, R.Tolle, J.de Boer, N.Gollwitzer

Investigation of 224Ra in the 226Ra(α, α'2n) Reaction

NUCLEAR REACTIONS 226Ra(α, 2nα), E=55 MeV; measured γ(e-), (e-)(e-)-, (ce)(ce)-coin. 224Ra deduced levels, J, π, E1/E2 branching ratios.


1989AC01      Z.Phys. A332, 375 (1989)

B.Ackermann, T.Bihn, P.A.Butler, V.Grafen, C.Gunther, J.R.Hughes, G.D.Jones, Ch.Lauterbach, H.J.Maier, M.Marten-Tolle, R.Tolle, R.Wadsworth, D.L.Watson, C.A.White

Level Structure of 217Rn and 221Ra Investigated in the Alpha-Decay 225Th → 221Ra → 217Rn

RADIOACTIVITY 225Th(α) [from 226Ra(α, 5n), E=52 MeV]; 221Ra(α) [from Th decay]; measured αγ-coin, I(ce). 221Ra, 217Rn deduced levels, ICC, Iγ, γ-multipolarity.


1987ZE07      Z.Phys. A328, 399 (1987)

P.Zeyen, B.Ackermann, U.Dammrich, K.Euler, V.Grafen, C.Gunther, P.Herzog, M.Marten-Tolle, B.Prillwitz, R.Tolle, Ch.Lauterbach, H.J.Maier

In-Beam Spectroscopy of the K(π) = 0- Bands in 230-236U

NUCLEAR REACTIONS 231Pa(p, 2n), E=14 MeV; 230,232Th(α, 2n), E=28 MeV; 236U(d, np), E=25 MeV; measured (ce)(ce)-, γ(ce)-coin. 230,232,234,236U deduced levels, J, π, band characteristics, B(λ) ratios, quadrupole moment.


1986ZE03      Z.Phys. A325, 451 (1986)

P.Zeyen, K.Euler, V.Grafen, C.Gunther, M.Marten-Tolle, P.Schuler, R.Tolle

Investigation of 203,205Hg with the (d, pγ) Reaction - Identification of the i13/2 Neutron Hole State in 205Hg

NUCLEAR STRUCTURE 201,203,205Hg, 205,207Po, 205Pb, 207,209Rn; analyzed level systematics, B(M2).

NUCLEAR REACTIONS 202,204Hg(d, pγ), E=14, 18 MeV; measured γp-, e-p-coin, Eγ, Iγ. 203,205Hg deduced levels, γ-branching, B(M2), hindrance factor. Enriched targets, Ge detectors, iron-free orange-spectrometer.


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