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Search: Author = K.H.Speidel

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2022ST06      Eur.Phys.J. A 58, 208 (2022)

G.Stellin, K.-H.Speidel, U.-G.Meissner

Magnetic dipole moments as a strong signature for α-clustering in even-even self-conjugate nuclei

NUCLEAR STRUCTURE 8,9Be, 12,13C, 16,17O, 20,21Ne, 24,25Mg, 28,29Si, 32,33S, 36,37Ar, 40,41Ca, 44,45Ti, 48,49Cr; calculated nuclear g-factors for excited and ground states of the lightest α-conjugate nuclei, magnetic dipole moments. Comparison with available data.

doi: 10.1140/epja/s10050-022-00850-3
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2016BE24      Phys.Rev. C 94, 034303 (2016)

N.Benczer-Koller, G.J.Kumbartzki, K.-H.Speidel, D.A.Torres, S.J.Q.Robinson, Y.Y.Sharon, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, A.Wiens

Magnetic moment and lifetime measurements of Coulomb-excited states in 106Cd

NUCLEAR REACTIONS 12C(106Cd, 106Cd'), E=410 MeV; measured particle spectra using Si surface-barrier detector, Eγ, Iγ, (particle)γ-coin using four clover HPGe detectors, g factors by the transient-field technique, level half-lives by DSAM at LBNL cyclotron facility. Coulomb excitation. 106Cd; deduced levels, J, B(E2). Comparison with large-scale shell-model, and collective model calculations.

doi: 10.1103/PhysRevC.94.034303
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2016KU05      Phys.Rev. C 93, 044316 (2016)

G.J.Kumbartzki, N.Benczer-Koller, K.-H.Speidel, D.A.Torres, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, G.Gurdal, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, S.J.Q.Robinson, Y.Y.Sharon, A.Wiens

Z = 50 core stability in 110Sn from magnetic-moment and lifetime measurements

NUCLEAR REACTIONS 12C(106Cd, 8Be)110Sn, 12C(106Cd, 12C)106Cd, E=390, 400, 410 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin, γγ(θ), level half-lives using DSAM and lineshape analysis, g factors using transient field technique at LBNL 88-Inch Cyclotron facility, multi-layered target of carbon, gadolinium, tantalum and copper layers. 110Sn; deduced levels, J, π, B(E2), magnetic moments, configurations, no evidence for excitation of protons from the closed Z=50 core. Comparison with previous experimental results, and with shell model calculations. Systematics of B(E2) values for the first 2+ states in A=104-130, even-even Sn nuclei.

NUCLEAR MOMENTS 110Sn; measured g factors using transient field technique in 12C(106Cd, 8Be) reaction at 410 MeV, and using a multi-layered target; deduced magnetic moments. Comparison with shell model calculations. Systematics of g factors for the first 2+ states in A=104-130, even-even Sn nuclei.

doi: 10.1103/PhysRevC.93.044316
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2014KU10      Phys.Rev. C 89, 064305 (2014)

G.J.Kumbartzki, N.Benczer-Koller, S.Burcher, A.Ratkiewicz, S.L.Rice, Y.Y.Sharon, L.Zamick, K.-H.Speidel, D.A.Torres, K.Sieja, M.McCleskey, A.Cudd, M.Henry, A.Saastamoinen, M.Slater, A.Spiridon, S.Yu.Torilov, V.I.Zherebchevsky, G.Gurdal, S.J.Q.Robinson, S.D.Pain, J.T.Burke

Transition from collectivity to single-particle degrees of freedom from magnetic moment measurements on 8238Sr44 and 9038Sr52

NUCLEAR MOMENTS 82,90Sr, 78,86Kr; measured precession angles, g factors of first 2+ and 4+ states, second 2+ state in 78Kr by transient-field technique in Coulomb excitation and α-pickup reaction at K500-TAMU cyclotron facility. Comparison with shell-model calculations and previous experimental results. Systematics of g factors of first 2+ states in even-even nuclei with Z=30-48, N=30-70. Discussed proton subshell closures at Z=38 and Z=40.

NUCLEAR REACTIONS 12C(78Kr, 8Be), (78Kr, 78Kr'), E=249.6 MeV; 12C(86Kr, 8Be), (86Kr, 86Kr'), E=258.0, 266.6, 275.2 MeV; measured Eγ, Iγ, Eα, Iα, particle spectra, αγ-, (particle)γ-coin, angular correlations, precession angles, particle yields at Texas A-M cyclotron facility. 78,86Kr, 82,90Sr; deduced levels, g factors. Comparison with shell-model calculations and previous experimental results.

doi: 10.1103/PhysRevC.89.064305
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2012FI02      Phys.Rev. C 85, 034334 (2012)

E.Fiori, G.Georgiev, A.E.Stuchbery, A.Jungclaus, D.L.Balabanski, A.Blazhev, S.Cabaret, E.Clement, M.Danchev, J.M.Daugas, S.Grevy, M.Hass, V.Kumar, J.Leske, R.Lozeva, S.Lukyanov, T.J.Mertzimekis, V.Modamio, B.Mouginot, F.Nowacki, Yu.E.Penionzhkevich, L.Perrot, N.Pietralla, K.Sieja, K.-H.Speidel, I.Stefan, C.Stodel, J.C.Thomas, J.Walker, K.O.Zell

First g(2+) measurement on neutron-rich 72Zn, and the high-velocity transient field technique for radioactive heavy-ion beams

NUCLEAR REACTIONS 208Pb, Gd(76Ge, X), E=37.8 MeV/nucleon; Gd(72Zn, X), [secondary 72Zn beam from Al(76Ge, X), E=59 MeV/nucleon], E=36.5 MeV/nucleon; measured Eγ, Iγ, γγ-coin, angular correlations, precession angles. 72Zn, 76Ge; deduced levels, J, π, g factors. Systematics and large-scale shell-model calculations of level energies, B(E2), and g factors of first 2+ states in A=64-80 even-even Zn isotopes. Evidence for predicted transition in the structure of the Zn isotopes near N=40.

NUCLEAR MOMENTS 76Ge, 72Zn; measured g factors of first 2+ states with high-velocity transient-field (HVTF) technique. Systematics and large-scale shell-model calculations of g factors of first 2+ states in A=64-80 even-even Zn isotopes.

doi: 10.1103/PhysRevC.85.034334
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2012KU14      Phys.Rev. C 85, 044322 (2012)

G.J.Kumbartzki, K.-H.Speidel, N.Benczer-Koller, D.A.Torres, Y.Y.Sharon, L.Zamick, S.J.Q.Robinson, P.Maier-Komor, T.Ahn, V.Anagnostatou, Ch.Bernards, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, E.Williams

Structure of the Sr-Zr isotopes near and at the magic N=50 shell from g-factor and lifetime measurements in 8840Zr and 84, 86, 3888Sr

NUCLEAR REACTIONS 12C(84Sr, X)84Sr/86Sr/88Sr/88Zr, E=243-285 MeV; measured Eγ, Iγ, (12C)γ-, αγ-, γγ-coin, level half-lives by DSA, g factors. 84,86,88Sr, 88Zr; deduced levels, J, π, B(E2). Systematics of B(E2) values for first 2+ states in even-even N=40-62 Sr and Zr nuclei.

NUCLEAR MOMENTS 88Zr, 84,86,88Sr; measured g factors of 2+ and first 4+ states using transient field technique in inverse kinematics. Comparison with previous studies and with shell model calculations. Systematics of g factors of first 2+ states in even-even N=42-62 Sr and Zr nuclei.

doi: 10.1103/PhysRevC.85.044322
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2012KU24      Phys.Rev. C 86, 034319 (2012)

G.J.Kumbartzki, N.Benczer-Koller, D.A.Torres, B.Manning, P.D.O'Malley, Y.Y.Sharon, L.Zamick, C.J.Gross, D.C.Radford, S.J.Q.Robinson, J.M.Allmond, A.E.Stuchbery, K.-H.Speidel, N.J.Stone, C.R.Bingham

Transient field g factor and mean-life measurements with a rare isot ope beam of 126Sn

NUCLEAR REACTIONS C(124Sn, C'), (126Sn, C'), [124,126Sn secondary beams from U(p, X), E=50 MeV primary reaction], E=378 MeV; measured Eγ, Iγ, (particle)γ-coin, level half-lives by DSAM at HRIBF in ORNL. 124,126Sn; deduced levels, g factors, B(E2).

NUCLEAR MOMENTS 124,126Sn; measured precession angle, γγ(θ), g factor, level half-lives by DSAM. Coulomb excitation in inverse kinematics with transient field and Doppler shift attenuation technique. Comparison with large-scale shell-model and quasiparticle random-phase calculations. Systematics of g factors for first 2+ states in A=112-226 Sn isotopes.

doi: 10.1103/PhysRevC.86.034319
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2012TO01      Phys.Rev. C 85, 017305 (2012)

D.A.Torres, G.J.Kumbartzki, Y.Y.Sharon, L.Zamick, B.Manning, N.Benczer-Koller, K.-H.Speidel, T.Ahn, V.Anagnostatou, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, G.Gurdal, M.J.Taylor, P.Maier-Komor, M.Hjorth-Jensen, S.J.Q.Robinson

Measurement of the 96Ru g(41+) factor and its nuclear structure interpretation

NUCLEAR REACTIONS 12C(96Ru, 96Ru'), E=343, 353 MeV; measured 12C spectra, Eγ, Iγ, (12C)g-coin, (12C)γ(θ), precession angle in transient magnetic field, half-life by DSAM. 96Ru; deduced level, half-life of first 2+, g factors of first 2+ and 4+ states, B(E2). Coulomb excitation in inverse kinematics. Comparison with large-scale shell-model calculations.

NUCLEAR MOMENTS 96Ru; measured g factors of first 2+ and 4+ states by transient magnetic field technique in inverse kinematics.

doi: 10.1103/PhysRevC.85.017305
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2011JU01      Phys.Lett. B 695, 110 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Evidence for reduced collectivity around the neutron mid-shell in the stable even-mass Sn isotopes from new lifetime measurements

NUCLEAR REACTIONS C, Gd, Cu(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), (118Sn, 118Sn'), (120Sn, 120Sn'), (122Sn, 122Sn'), (124Sn, 124Sn'), E=4 MeV/nucleon; measured Eγ, Iγ, particle-γ coin. 112,114,116,118,120,122,124Sn; deduced energy levels, lifetimes, B(E2). Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.11.012
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2011JU06      J.Phys.:Conf.Ser. 312, 092033 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique

NUCLEAR REACTIONS C, Cu, Gd, Ta(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4.0 MeV/nucleon;C, Cu, Gd, Ta(122Sn, 122Sn'), E=3.8 Mev/nucleon; measured Coulomb excitation Eγ, Iγ, (particle)γ-coin, (particle)(particle)-coin using Doppler-shift attenuation; deduced B(E2). Compared to other data; also deduced T1/2, but the values not given here.

doi: 10.1088/1742-6596/312/9/092033
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2011TO09      Phys.Rev. C 84, 044327 (2011)

D.A.Torres, G.J.Kumbartzki, Y.Y.Sharon, L.Zamick, B.Manning, N.Benczer-Koller, G.Gurdal, K.-H.Speidel, M.Hjorth-Jensen, P.Maier-Komor, S.J.Q.Robinson, T.Ahn, V.Anagnostatou, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner

First g-factor measurements of the 21+ and the 41+ states of radioactive 100Pd

NUCLEAR REACTIONS 12C(96Ru, 8Be), E=350 MeV; measured particle spectra, Eγ, Iγ, αγ-, γγ-coin, γγ(θ), precession angle. 100Pd; deduced levels, J, π, g factors, B(E2) values.

NUCLEAR MOMENTS 100Pd; measured g-factors of first 2+, 4+ states by transient magnetic field technique in inverse kinematics. Comparison with large-scale shell-model calculations and collective-model predictions.

doi: 10.1103/PhysRevC.84.044327
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2011WA15      Phys.Rev. C 84, 014319 (2011)

J.Walker, A.Jungclaus, J.Leske, K.-H.Speidel, A.Ekstrom, P.Boutachkov, J.Cederkall, P.Doornenbal, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Magnetic moments of the first excited 2+ states in the semi-magic 112, 114, 116, 122, 124Sn isotopes

NUCLEAR MOMENTS 112,114,116,122,124Sn; measured g factors of the first 2+, 4+ and 3- states by transient field technique in Coulomb excitation in inverse kinematics. Comparisons with shell-model and other theoretical calculations.

NUCLEAR REACTIONS 12C(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4 MeV/nucleon; 12C(122Sn, 122Sn'), (124Sn, 124Sn'), E=3.8 MeV/nucleon; measured Eγ, Iγ, (12C)γ-coin, (12C)γγ(θ), precession angles. 112,114,116,122,124Sn; deduced g-factors, configurations. Comparison with RQRPA, QRPA, and shell-model calculations. 12C(124Sn, X)130Xe/126Te/128Te, E=3.8 MeV/nucleon; measured Eγ, Iγ.

doi: 10.1103/PhysRevC.84.014319
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2010MO14      Phys.Rev. C 82, 014301 (2010)

K.Moschner, K.-H.Speidel, J.Leske, C.Bauer, C.Bernards, L.Bettermann, M.Honma, T.Moller, P.Maier-Komor, D.Mucher

New measurement of the 68Zn(41+) g factor combined with a reanalysis of previous data

NUCLEAR REACTIONS 12C(68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ, (particle)γ(θ, H), precession angles in transient fields. 68Zn; deduced g factors. Coulomb excitation. 62,64,66,70Zn; reanalyzed g factors. Comparison with large-scale shell-model calculations.

NUCLEAR MOMENTS 68Zn; measured g factors by (particle)γ(θ, H) in transient fields. 62,64,66,70Zn; reanalyzed g factors. Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.82.014301
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2009MU06      Phys.Rev. C 79, 054310 (2009)

D.Mucher, G.Gurdal, K.-H.Speidel, G.J.Kumbartzki, N.Benczer-Koller, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick, A.F.Lisetskiy, R.J.Casperson, A.Heinz, B.Krieger, J.Leske, P.Maier-Komor, V.Werner, E.Williams, R.Winkler

Nuclear structure studies of 70Zn from g-factor and lifetime measurements

NUCLEAR REACTIONS 12C(70Zn, X), E=180-200 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin, γγ(θ), half-lives and spin precessions in a magnetic field. 70Zn; deduced levels, J, π. Comparison with large-scale shell-model calculations.

NUCLEAR MOMENTS 70Zn; measured g factors by projectile Coulomb excitation in inverse kinematics combined with transient magnetic field. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.79.054310
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2008SP01      Phys.Lett. B 659, 101 (2008)

K.-H.Speidel, S.Schielke, J.Leske, N.Pietralla, T.Ahn, A.Costin, M.v.Schmid, O.Zell, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

First g-factor measurements on semi-magic 36S and their implications for the rigidity of the N = 20 shell closure

NUCLEAR REACTIONS 12C(36S, 36S'), (36S, 40Ar), E=70 MeV; measured Eγ, Iγ, T1/2 using transient field technique and DSA; 36S, 40Ar; deduced B(E2), g-factor. Comparison with shell model and previous results.

doi: 10.1016/j.physletb.2007.11.049
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2008SP04      Phys.Rev. C 78, 017304 (2008)

K.-H.Speidel, S.Schielke, J.Leske, N.Pietralla, T.Ahn, A.Costin, O.Zell, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

New shell model calculations for 40Ar based on recent g-factor and lifetime measurements

NUCLEAR REACTIONS 12C(36S, 40Ar), E=70 MeV; measured Eγ, Iγ, particle spectra, γγ-coin, (particle)γ-coin, g-factors, B(E2). 40Ar; measured half-lives of 2+ and 4+ states using Doppler-shift attenuation method; deduced levels, J, π.

doi: 10.1103/PhysRevC.78.017304
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2007KR19      Eur.Phys.J. Special Topics 150, 127 (2007)

Th.Kroll, T.Behrens, R.Krucken, V.Bildstein, R.Gernhauser, P.Maierbeck, I.Stefanescu, O.Ivanov, J.Van de Walle, N.Warr, P.A.Butler, J.Cederkall, P.Delahaye, L.M.Fraile, G.Georgiev, U.Koster, T.Sieber, D.Voulot, F.Wenander, P.E.Kent, A.Ekstrom, K.-H.Speidel, J.Leske, S.Schielke, D.Habs, R.Lutter, P.Thirolf, H.Scheit, T.Davinson, and the REX-ISOLDE and MINIBALL Collaboration

Coulomb excitation of neutron-rich 138, 140, 142Xe at REX-ISOLDE

NUCLEAR REACTIONS 96Mo(138Xe, 138Xe'), (140Xe, 140Xe'), (142Xe, 142Xe'), E=2.84 MeV/nucleon; measured Eγ, Iγ. 138,140,142Xe; deduced B(E2).

doi: 10.1140/epjst/e2007-00284-6
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2006LE24      Phys.Rev. C 73, 064305 (2006)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, T.Engeland, M.Hjorth-Jensen

Experimental g factor and B(E2) value of the 41+ state in Coulomb-excited 66Zn compared to shell-model predictions

NUCLEAR REACTIONS C(66Zn, 66Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), DSA, (recoil)γ-coin following projectile Coulomb excitation. 66Zn levels deduced T1/2, B(E2), g factors. Comparison with neighboring isotopes, shell-model calculations.

doi: 10.1103/PhysRevC.73.064305
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2006LE31      Phys.Rev. C 74, 024315 (2006)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

Low-level structure of 70Ge from lifetime and g-factor measurements following α transfer to a 66Zn ion beam

NUCLEAR REACTIONS 12C(66Zn, 2α), (66Zn, 66Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), αγ-coin, DSA. 70Ge deduced levels, J, π, T1/2, B(E2), g factor. Comparison with previous results, model predictions.

doi: 10.1103/PhysRevC.74.024315
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2006SP01      Phys.Lett. B 632, 207 (2006)

K.-H.Speidel, S.Schielke, J.Leske, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick

Experimental g factors and B(E2) values in Ar isotopes: Crossing the N = 20 semi-magic divide

NUCLEAR REACTIONS 12C(32S, 8Be), (34S, 8Be), (32S, 32S'), E=65-67 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 36,38Ar, 32S levels deduced g factors, T1/2, B(E2). Transient field technique.

doi: 10.1016/j.physletb.2005.10.052
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2006SP02      Phys.Lett. B 633, 219 (2006)

K.-H.Speidel, J.Leske, S.Schielke, S.C.Bedi, O.Zell, P.Maier-Komor, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick

Low-level structure of 52Ti based on g factor and lifetime measurements

NUCLEAR REACTIONS 12C(48Ca, 8Be), E=100 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin. 52Ti deduced level, J, π, g factor, B(E2), T1/2. Transient field technique, comparison with shell model calculations.

doi: 10.1016/j.physletb.2005.11.089
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2005BE61      Eur.Phys.J. A 25, Supplement 1, 203 (2005)

N.Benczer-Koller, G.Kumbartzki, J.R.Cooper, T.J.Mertzimekis, M.J.Taylor, L.Bernstein, K.Hiles, P.Maier-Komor, M.A.McMahan, L.Phair, J.Powell, K.-H.Speidel, D.Wutte

First g-factor measurement using a radioactive 76Kr beam

NUCLEAR REACTIONS 26Mg(76Kr, 76Kr'), E=230 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 76Kr level deduced g factor. Transient field technique.

doi: 10.1140/epjad/i2005-06-098-8
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2005LE12      Phys.Rev. C 71, 034303 (2005)

J.Leske, K.-H.Speidel, S.Schielke, O.Kenn, D.Hohn, J.Gerber, P.Maier-Komor

Experimental g factors and B(E2) values of 2+1, 4, +12+2, and 3-1 states in 64Zn and 68Zn compared to shell model predictions

NUCLEAR REACTIONS C(64Zn, 64Zn'), (68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), γγ-, (particle)γ-coin, DSA following projectile Coulomb excitation. 64,68Zn levels deduced g factors, T1/2, B(E2). Transient-field technique, large-scale shell model calculations.

doi: 10.1103/PhysRevC.71.034303
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2005LE19      Phys.Rev. C 71, 044316 (2005)

J.Leske, K.-H.Speidel, S.Schielke, O.Kenn, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

Nuclear structure of the first 2+ state in radioactive 68Ge based on g factor and lifetime measurements

NUCLEAR REACTIONS 12C(64Zn, 2α), E=180 MeV; measured Eγ, Iγ(θ, H, t), αα-, αγ-coin. 68Ge deduced level energies, B(E2), g factor. Transient field technique.

doi: 10.1103/PhysRevC.71.044316
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2005LE38      Phys.Rev. C 72, 044301 (2005)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, T.Engeland, M.Hjorth-Jensen

Dominant (g9/2)2 neutron configuration in the 4+1 state of 68Zn based on new g factor measurements

NUCLEAR REACTIONS C(68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t) (particle)γ-coin following projectile Coulomb excitation. 68Zn levels deduced g factors, T1/2, B(E2), configurations. 64Zn levels analyzed g factors, B(E2). Large-scale shell-model calculations.

doi: 10.1103/PhysRevC.72.044301
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2005RE10      Acta Phys.Pol. B36, 1259 (2005)

P.Reiter, F.Becker, M.A.Bentley, A.Bracco, G.de Angelis, C.Fahlander, J.Gerl, M.Gorska, H.Grawe, H.Hubel, J.Jolie, A.Maj, P.Mayet, T.Saito, K.-H.Speidel, H.J.Wollersheim

Future RISING experiments at relativistic energies


2005TA02      Phys.Lett. B 605, 265 (2005)

M.J.Taylor, N.Benczer-Koller, L.Bernstein, J.Cooper, K.Hiles, D.S.Judson, G.Kumbartzki, P.Maier-Komor, M.A.McMahan, T.J.Mertzimekis, L.Phair, S.J.Q.Robinson, Y.Y.Sharon, K.-H.Speidel, A.E.Stuchbery, L.Zamick

Shell model configurations in the 2+1 state in 46Ca from a g-factor measurement

NUCLEAR REACTIONS C(46Ca, 46Ca'), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 46Ca level deduced g-factor, configuration. Transient field technique, comparisons with neighboring isotopes.

doi: 10.1016/j.physletb.2004.11.021
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2005WO01      Nucl.Instrum.Methods Phys.Res. A537, 637 (2005)

H.J.Wollersheim, D.E.Appelbe, A.Banu, R.Bassini, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, M.A.Bentley, G.Benzoni, C.Boiano, U.Bonnes, A.Bracco, S.Brambilla, A.Brunle, A.Burger, K.Burkard, P.A.Butler, F.Camera, D.Curien, J.Devin, P.Doornenbal, C.Fahlander, K.Fayz, H.Geissel, J.Gerl, M.Gorska, H.Grawe, J.Grebosz, R.Griffiths, G.Hammond, M.Hellstrom, J.Hoffmann, H.Hubel, J.Jolie, J.V.Kalben, M.Kmiecik, I.Kojouharov, R.Kulessa, N.Kurz, I.Lazarus, J.Li, J.Leske, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, G.Munzenberg, S.Muralithar, M.Mutterer, P.J.Nolan, G.Neyens, J.Nyberg, W.Prokopowicz, V.F.E.Pucknell, P.Reiter, D.Rudolph, N.Saito, T.R.Saito, D.Seddon, H.Schaffner, J.Simpson, K.-H.Speidel, J.Styczen, K.Summerer, N.Warr, H.Weick, C.Wheldon, O.Wieland, M.Winkler, M.Zieblinski

Rare ISotopes INvestigation at GSI (RISING) using gamma-ray spectroscopy at relativistic energies

NUCLEAR REACTIONS 197Au(84Kr, 84Kr'), (56Cr, 56Cr'), (108Sn, 108Sn'), E=113-142 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 84Kr, 56Cr, 108Sn deduced transitions. 9Be(55Ni, X)54Co/52Fe/50Cr, E=171 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin.

doi: 10.1016/j.nima.2004.08.072
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2004KU11      Phys.Lett. B 591, 213 (2004)

G.Kumbartzki, J.R.Cooper, N.Benczer-Koller, K.Hiles, T.J.Mertzimekis, M.J.Taylor, K.-H.Speidel, P.Maier-Komor, L.Bernstein, M.A.McMahan, L.Phair, J.Powell, D.Wutte

First g factor measurement using a radioactive 76Kr beam

NUCLEAR REACTIONS 26Mg(76Kr, 76Kr'), E=230 MeV; 26Mg(78Kr, 78Kr'), E=224 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 76,78Kr levels deduced g factors. Transient field technique, systematics in neighboring isotopes discussed.

doi: 10.1016/j.physletb.2004.04.040
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2003KU11      Phys.Lett. B 562, 193 (2003)

G.Kumbartzki, N.Benczer-Koller, J.Holden, G.Jakob, T.J.Mertzimekis, M.J.Taylor, K.-H.Speidel, R.Ernst, A.E.Stuchbery, C.W.Beausang, R.Krucken

Competition between proton and neutron excitations in 96Zr

NUCLEAR REACTIONS C, 24Mg, Cu, Gd, Ta(96Zr, 96Zr'), E=265-274 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 96Zr levels deduced T1/2, g factors, configurations, transition B(E3). Transient field technique, comparison with shell model results.

doi: 10.1016/S0370-2693(03)00608-7
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2003LE01      Phys.Lett. 551B, 249 (2003)

J.Leske, K.-H.Speidel, O.Kenn, S.Schielke, G.Muller, J.Gerber, N.Benczer-Koller, G.Kumbartzki, P.Maier-Komor

New measurements of the g factor of the 20Ne(41+) state with fs lifetime

NUCLEAR REACTIONS 12C(12C, α), E=34.5 MeV; measured Eγ, Iγ(θ, H, t), αγ-coin, DSA. 20Ne levels deduced T1/2, g factors. Transient field technique.

doi: 10.1016/S0370-2693(02)03067-8
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2003SC19      Phys.Lett. B 567, 153 (2003)

S.Schielke, K.-H.Speidel, O.Kenn, J.Leske, N.Gemein, M.Offer, Y.Y.Sharon, L.Zamick, J.Gerber, P.Maier-Komor

First measurement and shell model interpretation of the g factor of the 2+1 state in self-conjugate radioactive 44Ti

NUCLEAR REACTIONS 12C(40Ca, 12C), (40Ca, 8Be), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 44Ti levels deduced g factors, B(E2), T1/2. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2003.06.027
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2003SC21      Phys.Lett. B 571, 29 (2003)

S.Schielke, D.Hohn, K.-H.Speidel, O.Kenn, J.Leske, N.Gemein, M.Offer, J.Gerber, P.Maier-Komor, O.Zell, Y.Y.Sharon, L.Zamick

Evidence for 40Ca core excitation from g factor and B(E2) measurements on the 2+1 states of 42, 44Ca

NUCLEAR REACTIONS C(42Ca, 42Ca'), (44Ca, 44Ca'), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA following projectile Coulomb excitation. 42,44Ca deduced levels T1/2, g factors, B(E2), core excitation effects. Transient field technique. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2003.08.015
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2003SP04      Phys.Rev. C 68, 061302 (2003)

K.-H.Speidel, S.Schielke, O.Kenn, J.Leske, D.Hohn, H.Hodde, J.Gerber, P.Maier-Komor, O.Zell, Y.Y.Sharon, L.Zamick

Nuclear structure of the stable even-A calcium isotopes based on new experiments and shell model calculations

NUCLEAR REACTIONS 12C(46Ca, 46Ca'), (46Ca, 50Ti), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation and α transfer. 46Ca, 50Ti deduced transitions g-factors, B(E2), level configurations. Transient field technique.

NUCLEAR STRUCTURE 42,44,46Ca; calculated g-factors, B(E2). Large-scale shell model, comparison with data.

doi: 10.1103/PhysRevC.68.061302
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2002JA02      Phys.Rev. C65, 024316 (2002)

G.Jakob, N.Benczer-Koller, G.Kumbartzki, J.Holden, T.J.Mertzimekis, K.-H.Speidel, R.Ernst, A.E.Stuchbery, A.Pakou, P.Maier-Komor, A.Macchiavelli, M.McMahan, L.Phair, I.Y.Lee

Evidence for Proton Excitations in 130, 132, 134, 136Xe Isotopes from Measurements of g Factors of 21+ and 41+ States

NUCLEAR REACTIONS Ti(130Xe, 130Xe'), (132Xe, 132Xe'), (134Xe, 134Xe'), (136Xe, 136Xe'), E=485-508 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA following projectile Coulomb excitation. 130,132,134,136Xe levels deduced g factors, T1/2. Transient field technique, Gd-backed target. Comparison with IBA-II model predictions.

NUCLEAR STRUCTURE 130,132,134Te, 132,134,136Xe; calculated g factors. Shell model, comparison with data.

doi: 10.1103/PhysRevC.65.024316
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2002KE02      Phys.Rev. C65, 034308 (2002)

O.Kenn, K.-H.Speidel, R.Ernst, S.Schielke, S.Wagner, J.Gerber, P.Maier-Komor, F.Nowacki

Measurements of g Factors and Lifetimes of Low-Lying States in 62-70Zn and Their Shell Model Implication

NUCLEAR REACTIONS C(64Zn, 64Zn'), (66Zn, 66Zn'), (68Zn, 68Zn'), (70Zn, 70Zn'), E=160 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 12C(58Ni, 2α), E=155 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 62,64,66,68,70Zn levels deduced g factors, T1/2, B(E2), configurations. Transient field technique.

doi: 10.1103/PhysRevC.65.034308
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2002SP07      Prog.Part.Nucl.Phys. 49, 91 (2002)

K.H.Speidel, O.Kenn, F.Nowacki

Magnetic Moments and Nuclear Structure

doi: 10.1016/S0146-6410(02)00144-8
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2002WE15      Phys.Lett. 550B, 140 (2002)

V.Werner, D.Belic, P.von Brentano, C.Fransen, A.Gade, H.von Garrel, J.Jolie, U.Kneissl, C.Kohstall, A.Linnemann, A.F.Lisetskiy, N.Pietralla, H.H.Pitz, M.Scheck, K.-H.Speidel, F.Stedile, S.W.Yates

Proton-neutron structure of the N = 52 nucleus 92Zr

NUCLEAR REACTIONS 92Zr(γ, γ'), E < 4.3 MeV; measured Eγ, Iγ. 92Zr deduced levels J, π, B(M1), B(E2), T1/2, mixed-symmetry state. Nuclear resonance fluorescence. Shell-model analysis.

doi: 10.1016/S0370-2693(02)02961-1
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2001HO02      Phys.Rev. C63, 024315 (2001)

J.Holden, N.Benczer-Koller, G.Jakob, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken, A.Macchiavelli, M.McMahan, L.Phair, A.E.Stuchbery, P.Maier-Komor, W.Rogers, A.D.Davies

Single Particle Degrees of Freedom in the Transition from Deformed to Spherical Nd Nuclei

NUCLEAR REACTIONS Si, Ni(144Nd, 144Nd'), (146Nd, 146Nd'), (148Nd, 148Nd'), (150Nd, 150Nd'), E=285, 584-608 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 144,146,148,150Nd levels deduced g factors, configurations. Transient field technique.

doi: 10.1103/PhysRevC.63.024315
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2001KE02      Phys.Rev. C63, 021302 (2001)

O.Kenn, K.-H.Speidel, R.Ernst, J.Gerber, N.Benczer-Koller, G.Kumbartzki, P.Maier-Komor, F.Nowacki

Striking Harmony between the Nuclear Shell Model and New Experimental g Factors and B(E2) Values of Even Ni Isotopes

NUCLEAR REACTIONS 12C(58Ni, 58Ni'), (60Ni, 60Ni'), (62Ni, 62Ni'), (64Ni, 64Ni'), E=155, 160 MeV; measured Eγ, (12C)γ-coin following Coulomb excitation and Ni orientation in cooled, magnetized foil. 58,60,62,64Ni deduced first 2+ T1/2, B(E2), g-factors. Transient magnetic field technique, comparison with Shell Model calculations.

doi: 10.1103/PhysRevC.63.021302
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2001KE08      Phys.Rev. C63, 064306 (2001)

O.Kenn, K.-H.Speidel, R.Ernst, J.Gerber, P.Maier-Komor, F.Nowacki

Measurements of g Factors and Lifetimes of Low Lying States in 58-64 Ni and Their Shell Model Implications

NUCLEAR REACTIONS Ta(58Ni, 58Ni'), (60Ni, 60Ni'), (62Ni, 62Ni'), (64Ni, 64Ni'), E=155, 160 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 58,60,62,64Ni levels deduced T1/2, g factors, B(E2). Transient field technique. Comparisons with previous results, model predictions.

doi: 10.1103/PhysRevC.63.064306
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2001ME20      Phys.Rev. C64, 024314 (2001)

T.J.Mertzimekis, N.Benczer-Koller, J.Holden, G.Jakob, G.Kumbartzki, K.-H.Speidel, R.Ernst, A.Macchiavelli, M.McMahan, L.Phair, P.Maier-Komor, A.Pakou, S.Vincent, W.Korten

First Measurements of g Factors in the Even Kr Isotopes

NUCLEAR REACTIONS 26Mg(78Kr, 78Kr'), (80Kr, 80Kr'), (82Kr, 82Kr'), (84Kr, 84Kr'), (86Kr, 86Kr'), E=220-261 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 78,80,82,84,86Kr levels deduced T1/2, B(E2), g factors. Transient field technique, Gd-backed target, IBA-2 calculation.

doi: 10.1103/PhysRevC.64.024314
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2001WA36      Phys.Rev. C64, 034320 (2001)

S.Wagner, K.-H.Speidel, O.Kenn, R.Ernst, S.Schielke, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, Y.Y.Sharon, F.Nowacki

New Measurement of the g Factor of the 54Cr(21+) State and Its Shell Model Interpretation

NUCLEAR REACTIONS C(54Cr, 54Cr'), E=115 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 54Cr level deduced g factor. Transient field technique, comparison with neighboring isotopes and with large-scale shell model calculations.

doi: 10.1103/PhysRevC.64.034320
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2000ER01      Phys.Rev.Lett. 84, 416 (2000)

R.Ernst, K.-H.Speidel, O.Kenn, U.Nachum, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Jakob, G.Kumbartzki, L.Zamick, F.Nowacki

Stringent Test of Shell Model Calculations in fp Shell Nuclei 46, 48Ti and 50, 52Cr from Measurements of g Factors and B(E2) Values

NUCLEAR REACTIONS C(46Ti, 46Ti'), (48Ti, 48Ti'), (50Cr, 50Cr'), (52Cr, 52Cr'), E=110-120 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 46,48Ti, 50,52Cr levels deduced T1/2, B(E2), g-factors. Transient field technique. Comparison with shell model predictions.

doi: 10.1103/PhysRevLett.84.416
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2000ER06      Phys.Rev. C62, 024305 (2000); Comment Phys.Rev. C64, 069801 (2001)

R.Ernst, K.-H.Speidel, O.Kenn, A.Gohla, U.Nachum, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, G.Jakob, L.Zamick, F.Nowacki

Shell Structure of Ti and Cr Nuclei from Measurements of g Factors and Lifetimes

NUCLEAR REACTIONS C, Cu, Gd(46Ti, 46Ti'), (48Ti, 48Ti'), (50Cr, 50Cr'), (52Cr, 52Cr'), E=110-120 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 46,48Ti, 50,52Cr deduced transitions g factors, B(E2). Transient field technique. Comparison with large scale shell model calculations.

doi: 10.1103/PhysRevC.62.024305
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2000HO25      Phys.Lett. 493B, 7 (2000)

J.Holden, N.Benczer-Koller, G.Jakob, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, A.Macchiavelli, M.McMahan, L.Phair, P.Maier-Komor, A.E.Stuchbery, W.F.Rogers, A.D.Davies

Evidence for 2f7/2 Neutron Strength in the Low Energy Structure of 144, 146, 148, 150Nd Isotopes

NUCLEAR REACTIONS Ni(144Nd, 144Nd'), (146Nd, 146Nd'), (148Nd, 148Nd'), (150Nd, 150Nd'), E=584-608 MeV; measured Eγ, Iγ(θ), precession angles following projectile Coulomb excitation. 144,146,148,150Nd levels deduced g factors, configurations. Deformation effects discussed. Gammasphere array, transient field technique.

doi: 10.1016/S0370-2693(00)01136-9
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2000JA11      Phys.Lett. 494B, 187 (2000)

G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, R.Ernst, P.Maier-Komor, C.W.Beausang, R.Krucken

First Measurements of the g Factors of the 21+ and 31+ States of Semi-Magic 4090Zr

NUCLEAR REACTIONS 24,26Mg(90Zr, 90Zr'), E=270, 300 MeV; measured Eγ, Iγ(θ, H, t), (recoil)γ-coin, DSA following projectile Coulomb excitation. 90Zr levels deduced g factors, T1/2, configurations. Transient field technique, target backed with Gd, Ta, Cu.

doi: 10.1016/S0370-2693(00)01197-7
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2000SP08      Phys.Rev. C62, 031301 (2000)

K.-H.Speidel, R.Ernst, O.Kenn, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, L.Zamick, M.S.Fayache, Y.Y.Sharon

Core Polarization in the Light of New Experimental g Factors of fp Shell, N = 28, Isotones

NUCLEAR REACTIONS C(50Ti, 50Ti'), E=110 MeV; C(54Fe, 54Fe'), E=130 MeV; measured Eγ, Iγ(θ, H, t) in magnetized Gd following projectile Coulomb excitation. 50Ti, 54Fe levels deduced g factors, T1/2. Transient field technique. Comparison with shell model predictions.

NUCLEAR STRUCTURE 49Sc, 50Ti, 51V, 52Cr, 53Mn, 54Fe, 55Co; calculated g factors. Shell model, several interactions compared. Comparisons with data.

doi: 10.1103/PhysRevC.62.031301
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1999JA13      Phys.Lett. 468B, 13 (1999)

G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken

Spin Dependence of d5/2 Neutron Configurations in the Wave Functions of 92, 94Zr from g-Factor Measurements

NUCLEAR REACTIONS Si(92Zr, 92Zr'), (94Zr, 94Zr'), E=300 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 92,94Zr levels deduced g factors, configurations.

doi: 10.1016/S0370-2693(99)01203-4
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1998SP03      Phys.Rev. C57, 2181 (1998)

K.-H.Speidel, N.Benczer-Koller, G.Kumbartzki, C.Barton, A.Gelberg, J.Holden, G.Jakob, N.Matt, R.H.Mayer, M.Satteson, R.Tanczyn, L.Weissman

Shell Closure Effects in the Stable 74-82Se Isotopes from Magnetic Moment Measurements using Projectile Excitation and the Transient Field Technique

NUCLEAR REACTIONS Ta(74Se, 74Se'), (76Se, 76Se'), (78Se, 78Se'), (80Se, 80Se'), (82Se, 82Se'), E=230-262 MeV; measured Eγ, Iγ(H, θ) in polarized Gd following projectile Coulomb excitation. 74,76,78,80,82Se deduced g-factors. Multilayer target. Comparison with IBM calculations.

doi: 10.1103/PhysRevC.57.2181
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1997GR19      Phys.Rev.Lett. 79, 4538 (1997)

U.Grabowy, K.-H.Speidel, J.Cub, H.Busch, H.-J.Wollersheim, G.Jakob, A.Gohla, J.Gerber, M.Loewe

Evidence for Transient Electric Field Gradients in H-Like Ions Traversing Gd Targets at High Velocities

NUCLEAR REACTIONS Ag, Gd(20Ne, 20Ne'), Gd(32S, 32S'), (52Cr, 52Cr'), Pb, Gd(40Ar, 40Ar'), (54Fe, 54Fe'), Pb, Fe(62Ni, 62Ni'), E not given; analyzed (particle)γ(θ) in polarized target following Coulomb excitation; deduced transient electric field gradient.

doi: 10.1103/PhysRevLett.79.4538
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1997GR24      Z.Phys. A359, 377 (1997)

U.Grabowy, K.-H.Speidel, J.Cub, H.Busch, H.-J.Wollersheim, G.Jakob, A.Gohla, J.Gerber, M.Loewe

Transient Magnetic Field and Electric Field Gradient of Fast H-Like 52Cr Ions Traversing Gd Targets

NUCLEAR REACTIONS Ta(52Cr, 52Cr'), E=14.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ(θ) following projectile Coulomb excitation; deduced transient magnetic field, transient electric field gradient in Gd backing.

doi: 10.1007/s002180050417
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1997SP04      Z.Phys. A358, 389 (1997)

K.-H.Speidel, L.Kleinen, A.Gohla, R.Ernst, H.Busch, G.Jakob, U.Grabowy, V.Roth, J.Gerber

Transient Field Measurements on Light and Heavy Ions in Amorphous Iron-Boron Compounds

NUCLEAR REACTIONS 197Au(24Mg, 24Mg'), E=100 MeV; 197Au(28Si, 28Si'), E=150 MeV; Mg(48Ti, 48Ti'), E=130 MeV; Mg(56Fe, 56Fe'), E=150 MeV; measured γγ-coin, precession θ in Fe80B20, Fe85B15 hosts following Coulomb excitation; deduced transient, static field contributions, Fe-B strength parameters.

doi: 10.1007/s002180050346
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1996BU17      Z.Phys. A355, 9 (1996)

H.Busch, G.Jakob, K.-H.Speidel, J.Cub, S.Kremeyer, U.Grabowy, A.Gohla, J.Gerber, A.Meens, P.Maier-Komor, C.Rezny, M.Schulz, P.Padberg

Transient Field Measurements on 56Fe- and 80Se-Ions using Segmented Fe-Layers

NUCLEAR REACTIONS Mg(56Fe, 56Fe'), E=150 MeV; 80Se(48Ti, 48Ti'), E=125 MeV; measured (particle)γ-coin following Coulomb excitation.

doi: 10.1007/s002180050071
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1996JA09      Nucl.Phys. A601, 117 (1996)

G.Jakob, K.-H.Speidel, S.Kremeyer, H.Busch, U.Grabowy, A.Gohla, J.Cub, J.Gerber, A.-M.Oros, K.Heyde, J.Rikovska

Spectroscopy of Low-Lying Levels in 81Br and Its Nuclear-Structure Interpretation

NUCLEAR REACTIONS 28Si(81Br, 81Br'), E=210 MeV; measured γ(θ, H) in polarized Gd, (particle)γ-coin following Coulomb excitation, DSA. 81Br levels deduced g, T1/2, δ. Multilayered targets. Models comparison.

doi: 10.1016/0375-9474(96)00085-1
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1995GR25      Nucl.Instrum.Methods Phys.Res. B101, 422 (1995)

U.Grabowy, H.Busch, A.Gohla, K.-H.Speidel, S.Kremeyer, G.Jakob, K.Freitag, J.Gerber, W.Assmann

Preparation and Analysis of Targets with Implanted Thick Ar Layers for In-Beam γ-Spectroscopy

NUCLEAR REACTIONS 40Ar(62Ni, 62Ni'), E=150 MeV; measured Eγ, Iγ following target Coulomb excitation; deduced Ar content of target. Implantation of 40Ar ions in thick Fe layers.

doi: 10.1016/0168-583X(95)00558-7
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1994KR04      Z.Phys. A348, 49 (1994)

S.Kremeyer, K.-H.Speidel, O.Jessensky, H.Busch, U.Grabowy, A.Gohla, J.Cub, G.Jakob, P.Maier-Komor, J.Gerber, A.Meens, F.Hagelberg, T.P.Das

Hyperfine Interaction Studies on Swift O-Ions Emerging with Polarized Electrons from Ferromagnetic Layers into Vacuum

NUCLEAR REACTIONS 4He(16O, 16O'), E=44 MeV; measured γα-coin, particle spectra, Iγ(θ) vs plunger distance for Gd-, Ni-layers; deduced electron polarization in highly stripped O-ions in Gd-, Ni-layers, transient field microscopic structure determining ionic state.

doi: 10.1007/BF01291652
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1994SP01      Phys.Lett. 324B, 130 (1994)

K.-H.Speidel, G.Jakob, U.Grabowy, J.Cub, S.Kremeyer, H.Busch, A.Gohla, O.Jessensky, J.Gerber, A.Meens

Large Transient Magnetic Fields of 28Si Ions in Backscattering through Fe at High Velocities

NUCLEAR REACTIONS Fe(28Si, 28Si'), E=150 MeV; measured 28Si transient field precessions following projectile Coulomb excitation.

doi: 10.1016/0370-2693(94)90398-0
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1994SP05      Nucl.Phys. A578, 300 (1994)

K.-H.Speidel, G.Jakob, J.Cub, S.Kremeyer, H.Busch, U.Grabowy, J.Gerber, J.Rikovska, K.Heyde

Magnetic-Moment and Lifetime Measurements of Coulomb-Excited Levels in 79Br

NUCLEAR REACTIONS 28Si(79Br, 79Br'), E=214 MeV; measured σ(θ, H) in polarized Gd, (particle)γ-coin, Coulomb excitation, DSA. 79Br levels deduced g, T1/2, δ. Multilayered targets. Model comparison.

doi: 10.1016/0375-9474(94)90981-4
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1993CU03      Z.Phys. A345, 1 (1993)

J.Cub, M.Bussas, K.-H.Speidel, W.Karle, U.Knopp, H.Busch, H.-J.Wollersheim, J.Gerl, K.Vetter, C.Ender, F.Kock, J.Gerber, F.Hagelberg

Transient Field Measurements on 32S(2+1) Ions in Gd at the 1s Electron Bohr Velocity

NUCLEAR REACTIONS Gd(32S, 32S'), E=260 MeV; measured γ(particle)(θ, φ) following Coulomb excitation; deduced 32S(2+) ions transient field in Gd, electric field gradient.

doi: 10.1007/BF01290332
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1993HA34      Phys.Rev. C48, 2230 (1993)

F.Hagelberg, T.P.Das, K.-H.Speidel

Spin Exchange between Ion Probes and Localized Moments in Ferromagnets as the Origin of Transient Fields

NUCLEAR STRUCTURE Z=6-16; analyzed ion probes 1s polarization degree in Fe, Gd hosts; deduced ionic shell, localized electrons spin exchange mechanism role.

doi: 10.1103/PhysRevC.48.2230
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1993KR24      Hyperfine Interactions 78, 235 (1993)

S.Kremeyer, K.-H.Speidel, H.Busch, U.Grabowy, U.Knopp, J.Cub, M.Bussas, P.Maier-Komor, J.Gerber, A.Meens

Quantum Beat Measurements on Spin-Polarized Electrons in Oxygen Ions Emerging from Magnetized Ni- and Gd-Layers

NUCLEAR REACTIONS 4He(16O, α), E=44 MeV; measured γ-anisotropy, γγ(θ, H, t); deduced highly stripped 16O(3-)-ion spin polarization, 2s-, 1s- electron relative mean degree of polarization. Ions emerging from magnetized Ni, Gd layers.

doi: 10.1007/BF00568144
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1993SP01      Nucl.Phys. A552, 140 (1993)

K.-H.Speidel, H.Busch, S.Kremeyer, U.Knopp, J.Cub, M.Bussas, W.Karle, K.Freitag, U.Grabowy, J.Gerber

Measurements of Magnetic Moments of 134,136Xe(2+1) and the Mean Life of the 136Xe(2+1) State

NUCLEAR REACTIONS 132,134Xe(32S, 32S'), E=100 MeV; measured γ(θ, H) in polarized Fe, (particle) γ-coin, Coulomb excitation. 134,136Xe level deduced g, T1/2. Implanted Xe targets.

doi: 10.1016/0375-9474(93)90336-V
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1993SP10      Hyperfine Interactions 80, 1205 (1993)

K.-H.Speidel

New Developments in Transient Field Measurements

doi: 10.1007/BF00567485
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1992CU04      Nucl.Phys. A549, 304 (1992)

J.Cub, U.Knopp, K.-H.Speidel, H.Busch, S.Kremeyer, H.-J.Wollersheim, N.Martin, X.Hong, K.Vetter, N.Gollwitzer, A.I.Levon, A.Booten

Transient Field Measurements on 40Ar Ions in Gd at the 1s Electron Bohr Velocity and the g-Factor of the 2+ State at 1.461 MeV

NUCLEAR REACTIONS 208Pb(40Ar, 40Ar'), E=12.5 MeV/nucleon; measured γ(θ, H) in polarized Gd, (particle)γ-coin, Coulomb excitation. 40Ar level deduced g. Multilayered targets.

doi: 10.1016/0375-9474(92)90045-L
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1992SP02      Z.Phys. A342, 17 (1992)

K.H.Speidel, J.Cub, U.Reuter-Knopp, W.Karle, H.Busch, S.Kremeyer, J.Gerber, F.Hagelberg

New Determination of the Magnetic Moment of the 54Fe(2+1) State

NUCLEAR REACTIONS 28Si(56Fe, 56Fe'), (54Fe, 54Fe'), E=150 MeV; measured (particle)γ-coin, (particle)γ(θ), γ-anisotropy following Coulomb excitation. 54Fe level deduced g-factor 2+. Transient magnetic fields, ferromagnetic Gd host.

doi: 10.1007/BF01294482
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1991SP03      Z.Phys. A339, 265 (1991)

K.-H.Speidel, J.Cub, U.Reuter, F.Passek, H.-J.Wollersheim, N.Martin, P.Egelhof, H.Emling, W.Henning, R.S.Simon, R.Schmidt, H.-J.Simonis, N.Gollwitzer

Large Electron Polarization of H-Like 20Ne-Ions Traversing Gd Foils at Very High Velocities

NUCLEAR REACTIONS 197Au(20Ne, 20Ne'), E=5.9 MeV/nucleon; measured (particle)γ-coin, (particle)γ(θ) following Coulomb excitation; deduced transient magnetic fields for 20Ne ions in Gd host.

doi: 10.1007/BF01284063
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1991SP04      Z.Phys. A340, 333 (1991)

K.-H.Speidel, J.Cub, W.Karle, F.Passek, U.Reuter, M.Weidinger, J.Gerber

In-Beam Magnetization Measurements of Thin Fe Foils and Simultaneous Observation of the Transient Magnetic Field at Pd Ions

NUCLEAR REACTIONS 108Pd(58Ni, 58Ni'), E=160 MeV; measured γ(58Ni)-coin following Coulomb excitation, γ-anisotropy; deduced recoil Pd-ion transient field.

doi: 10.1007/BF01294682
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1989RE08      Phys.Lett. 230B, 16 (1989)

U.Reuter, F.Hagelberg, S.Kremeyer, H.-J.Simonis, K.-H.Speidel, M.Knopp, W.Karle, J.Cub, P.N.Tandon, J.Gerber

Large Transient Magnetic Fields for Single Electron O Ions on a 10 fs Time Scale

NUCLEAR REACTIONS 4He(16O, α), E=44 MeV; measured σ(E(16O)), αγ(θ); deduced O-ion transient magnetic field passing through thin magnetized Gd layers.

doi: 10.1016/0370-2693(89)91645-6
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1989SP02      Phys.Lett. 227B, 16 (1989)

K.-H.Speidel, M.Knopp, W.Karle, M.-L.Dong, J.Cub, U.Reuter, H.-J.Simonis, P.N.Tandon, J.Gerber

Heavy Ion Beam Induced Attenuations of Transient Magnetic Fields

NUCLEAR REACTIONS Ag(28Si, 28Si'), E=130 MeV; Si(62Ni, 62Ni'), E=160 MeV; measured transient magnetic fields, Coulomb excitation ion recoil in Fe(Gd) host; deduced heavy ion beam induced attenuations.

doi: 10.1016/0370-2693(89)91276-8
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1988KA21      Nucl.Instrum.Methods Phys.Res. A271, 507 (1988)

W.Karle, M.Knopp, K.-H.Speidel

Applications of Large Barium Fluoride Scintillators to In-Beam Gamma-Ray Spectroscopy

RADIOACTIVITY 152Eu(β-), (β+), (EC); measured γγ(t). 152Sm level deduced T1/2. Large volume BaF2 scintillators.

NUCLEAR REACTIONS 40Ca(α, α'), E=13.62 MeV; measured γα-coin. 40Ca level deduced T1/2. Large volume BaF2 scintillators.

doi: 10.1016/0168-9002(88)90312-9
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1988SI14      Z.Phys. A330, 361 (1988)

H.-J.Simonis, F.Hagelberg, K.-H.Speidel, M.Knopp, W.Karle, U.Kilgus, J.Gerber

Measurements of Lifetime and g-Factor of the 32S(41+) State at 4.459 MeV

NUCLEAR REACTIONS 4He(32S, 32S'), E=tandem; measured recoil αγ-coin, anisotropies. 32S level deduced g. Transient field technique.


1988SP04      Z.Phys. A331, 29 (1988)

K.-H.Speidel, M.Knopp, W.Karle, U.Kilgus, M.-L.Dong, H.-J.Simonis, F.Hagelberg, J.Gerber

New Aspect in Transient Magnetic Fields using Heavy Ion Beams

NUCLEAR REACTIONS 56Fe, 28Si, 62Ni(62Ni, 62Ni'), E=160 MeV; 28Si, 56Fe, 62Ni(16O, 16O'), E=33 MeV; 28Si, 56Fe, 62Ni(28Si, 28Si'), E=130 MeV; measured γ(projectile)(θ, H), anisotropy following Coulomb excitation. 62Ni level deduced g.


1987KN01      Z.Phys. D4, 329 (1987)

M.Knopp, K.-H.Speidel, F.Hagelberg, H.-J.Simonis, P.N.Tandon, J.Gerber

Attenuations and Atomic Spin Precessions of γ-Angular Correlations for Coulomb Excited 19F Nuclei in Single-Electron Ions

NUCLEAR REACTIONS 197Au(19F, 19F'γ), E=75 MeV; measured γγ(θ) following Coulomb excitation, atomic spin precessions. Si, Ge(Li) detectors. Simple electron configurations, statistical model.

doi: 10.1007/BF01384884
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1987KN06      Hyperfine Interactions 34, 183 (1987)

M.Knopp, K.-H.Speidel, F.Hagelberg, H.-J.Simonis, J.Gerber, P.N.Tandon

Experimental Tests for detecting Spin Polarization Pick-Up of Single-Electron 19F-Ions on Emergence from Magnetized Iron

NUCLEAR REACTIONS 197Au(19F, 19F'), E=75 MeV; measured γγ(θ, H) following projectile Coulomb excitation.

doi: 10.1007/BF02072699
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1987MA25      Z.Phys. A327, 157 (1987)

M.Mayr, K.-H.Speidel, M.Knopp, W.Karle, T.Faestermann, F.Hagelberg, H.-J.Simonis, P.N.Tandon, J.Gerber

Measurements of the g-Factor Ratio of the First 3- and 5- States in 40Ca and the Lifetime of the 5- State

NUCLEAR REACTIONS 40Ca(α, α'), E=13.62 MeV; measured Eγ, Iγ, αγ(θ). 40Ca levels deduced g-factor ratio, T1/2.


1987SP06      Z.Phys. D6, 43 (1987)

K.-H.Speidel, M.Knopp, W.Karle, M.Mayr, F.Hagelberg, H.-J.Simonis, J.Gerber, P.N.Tandon

Transient K-Shell Hyperfine Fields and Deduced Polarizations for Single-Electron C and O Ions in Different Ferromagnets

NUCLEAR REACTIONS 4He(12C, α), E=30.6 MeV; 4He(16O, α), E=14.4 MeV; measured Eα, Iα, αγ-coin, αγ(θ) in polarized Ni, Gd hosts; deduced transient K-shell hyperfine fields.

doi: 10.1007/BF01436996
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1986TR08      Nucl.Phys. A458, 95 (1986)

W.Trolenberg, F.Hagelberg, H.J.Simonis, P.N.Tandon, K.-H.Speidel, M.Knopp, J.Gerber

Transient Magnetic Fields at Ne Ions in Fe and Gd Hosts and a Critical Assessment of 20Ne(4+) g-Factor Measurements.

NUCLEAR REACTIONS 20Ne(α, α'), E=14.2 MeV; 12C(12C, α), E=34.7 MeV; measured γ(θ, H); deduced transient magnetic fields at Ne in Fe, Gd hosts. 20Ne level deduced g.

doi: 10.1016/0375-9474(86)90284-8
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1985KN02      Z.Phys. A320, 635 (1985)

M.Knopp, V.Mertens, F.Hagelberg, K.-H.Speidel, J.Gerber, H.Dekhissi, P.N.Tandon

Atomic Spin Precissions of Fluorine Ions Recoiling Through Vaccuum in Weak Transverse Magnetic Fields

NUCLEAR REACTIONS 19F(α, α'), E=5.5 MeV; measured σ(Eα'), γγ-coin, γγ(θ) for recoil in Ag; deduced multi-electron hyperfine interactions.

doi: 10.1007/BF01411864
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1985KN03      Z.Phys. A322, 13 (1985)

M.Knopp, V.Mertens, K.-H.Speidel, J.Gerber

Average Charge State Dependence in Atomic Spin Precessions of Fluorine Ions Emerging from Iron and Copper

NUCLEAR REACTIONS 19F(α, α'), E=5.5 MeV; measured γγ(θ, H); deduced atomic spin precession charge state dependence. Recoil through vacuum, weak transverse magnetic field.

doi: 10.1007/BF01412012
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1985SP06      Hyperfine Interactions 25, 477 (1985)

K.-H.Speidel

Measurements of Nuclear Magnetic Moments by Transient Field Techniques

NUCLEAR STRUCTURE 158Dy, 232Th, 238U; analyzed g-factor data; deduced valence nucleon alignment role. 20Ne, 24Mg; analyzed g-factor data. 20Ne level deduced anomaly, variance with theory. Transient field technique measurements.


1984SP03      Z.Phys. A315, 319 (1984)

K.-H.Speidel, V.Mertens, W.Trolenberg, M.Knopp, H.Neuburger, K.Bharuth-Ram, J.Gerber

g-Factor of the Second 4+ State in 24Mg

NUCLEAR REACTIONS, ICPND 12C(16O, α), E=39-40 MeV; measured α yield vs E, (24Mg)γ-, γ(particle)-coin, γ(particle)(θ), γ(θ, H, t). 24Mg levels deduced g.

doi: 10.1007/BF01438456
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1984SP06      Nuovo Cim. 81A, 231 (1984)

K.-H.Speidel

Measurements of g-Factors with Transient-Field Techniques

NUCLEAR REACTIONS 158Dy(208Pb, 208Pb'), E=4.7 MeV/nucleon; measured Coulomb excitation. 158Dy deduced yrast level g. 12C(12C, α), E=32.6, 34.5 MeV; 12C(16O, α), E=38.7, 34.8 MeV; measured αγ(θ, H). 22Ne, 24Mg levels deduced g.

doi: 10.1007/BF02724167
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1983SE09      Nucl.Phys. A399, 211 (1983)

G.Seiler-Clark, D.Pelte, H.Emling, A.Balanda, H.Grein, E.Grosse, R.Kulessa, D.Schwalm, H.J.Wollersheim, M.Hass, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moments in the Backbending Region of 158Dy

NUCLEAR REACTIONS 158,164Dy(208Pb, 208Pb'), E=4.7 MeV/nucleon; measured γ(θ, B), Coulomb excitation. 158,164Dy levels deduced γ. Enriched targets, transient field, thin magnetized Fe foil.

doi: 10.1016/0375-9474(83)90604-8
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1983SP01      Nucl.Phys. A403, 421 (1983)

K.-H.Speidel, V.Mertens, W.Trolenberg, M.Knopp, H.Neuburger, J.Gerber, K.Bharuth-Ram

g-Factor Measurements of Excited States in 24Mg

NUCLEAR REACTIONS 12C(16O, α), E=34.8-38.7 MeV; measured α-yield, (particle)γ-coin, DSA, γ(θ, H). 24Mg levels deduced g, T1/2.

doi: 10.1016/0375-9474(83)90235-X
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1983SP04      Hyperfine Interactions 15/16, 55 (1983)

K.-H.Speidel, V.Mertens, M.Knopp, W.Trolenberg, H.Neuburger, J.Gerber, K.Bharuth-Ram

Anomalous g-Factor Measurements using Transient Fields

NUCLEAR REACTIONS 12C(12C, α), (16O, α), E not given; measured αγ(θ, H) in Fe, Gd. 20Ne, 24Mg levels deduced g.

doi: 10.1007/BF02159714
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1982SP02      Nucl.Phys. A378, 130 (1982)

K.-H.Speidel, P.N.Tandon, V.Mertens, W.Trolenberg, G.J.Kumbartzki, N.Ayres de Campos, M.B.Goldberg, J.Gerber, M.Toulemonde

The g-Factor of the Yrast 4+ State in 20Ne from Transient-Field Precession Measurements

NUCLEAR REACTIONS 12C(12C, α), E=32.6, 33.5 MeV; measured σ(Eγ, θ), γ(θ, B), DSA. 20Ne level deduced g, T1/2.

doi: 10.1016/0375-9474(82)90386-4
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1982ZE01      Z.Phys. A304, 269 (1982)

A.Zemel, C.Broude, E.Dafni, A.Gelberg, M.B.Goldberg, J.Gerber, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moment of the 19/2+ Isomer in 135Ce

NUCLEAR REACTIONS 122Sn(16O, 3n), E=62 MeV; measured Eγ, Iγ, γ(t), recoil, γ(θ, H). 135Ce level deduced g, configuration, T1/2.

doi: 10.1007/BF01414502
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1982ZE04      Nucl.Phys. A383, 165 (1982)

A.Zemel, C.Broude, E.Dafni, A.Gelberg, M.B.Goldberg, J.Gerber, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moments at Backbending and Spectroscopy of 134Ce

NUCLEAR REACTIONS 122Sn(16O, 4n), E=75, 80 MeV; measured Iγ(E), γ(t), γγ-coin, recoil, γ(θ), oriented nuclei. 134Ce deduced levels, J, π, δ, T1/2, g. Fe, Gd hosts.

doi: 10.1016/0375-9474(82)90081-1
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1981SP04      Phys.Lett. 102B, 6 (1981)

K.-H.Speidel, G.J.Kumbartzki, W.Knauer, M.Knopp, V.Mertens, P.N.Tandon, J.Gerber, R.M.Freeman

The g-Factor of the First Excited 2+ State in 26Mg from Transient Field Precession Measurements

NUCLEAR REACTIONS 24Mg(α, α'), E=7.08 MeV; 26Mg(α, α'), E=8.01 MeV; measured γ(θ, H) in Fe, αγ(θ); deduced K-shell ion polarization effects. 26Mg level deduced g.

doi: 10.1016/0370-2693(81)90200-8
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1980GO14      Phys.Lett. B97, 351 (1980)

M.B.Goldberg, C.Broude, E.Dafni, A.Gelberg, J.Gerber, G.J.Kumbartzki, Y.Niv, K.H.Speidel, A.Zemel

Two Neutron-Dominated 10+ States in 134Ce

RADIOACTIVITY 134Ce [from 122Sn(16O, 4n), E=75 MeV]; measured γγ-coin, Eγ, Iγ(θ), γ(θ, H, t); deduced levels, T1/2, g, J, π, γ-branching, γ-multipolarity, E2 transition strength, configuration.

doi: 10.1016/0370-2693(80)90617-6
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1980SP02      Phys.Lett. 92B, 289 (1980)

K.-H.Speidel, G.J.Kumbartzki, W.Knauer, V.Mertens, P.N.Tandon, N.Ayres de Campos, J.Gerber, M.B.Goldberg

The g-Factor of the First Excited 4+ State in Backbending 20Ne

NUCLEAR REACTIONS 12C(12C, α), E=32.6 MeV; measured γγ(θ, H) in Fe, γα-coin. 20Ne level deduced g.

doi: 10.1016/0370-2693(80)90266-X
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1980SP03      Nucl.Phys. A344, 176 (1980)

K.-H.Speidel, G.J.Kumbartzki, W.Kauner, R.Kuhnen, G.Kraft, J.Gerber, M.B.Goldberg, G.Goldring, A.Zemel

Hyperfine Interaction and g-Factor Measurements in Er Isotopes

NUCLEAR REACTIONS 28Si(136Xe, xn), E=630 MeV; measured σ(θ, γ) vs product flight time; deduced hyperfine field, correlation time. 159Er level deduced g. Plunger technique, H2 gas pressure.

doi: 10.1016/0375-9474(80)90437-6
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1979KU20      Hyperfine Interactions 7, 253 (1979)

G.J.Kumbartzki, K.Hagemeyer, W.Knauer, G.Krosing, R.Kuhnen, V.Mertens, K.-H.Speidel, J.Gerber, W.Nagel

The 12C(21+) State as Probe for Transient Magnetic Fields in Polarized Iron

NUCLEAR REACTIONS 12C(p, p'γ), E=7.3 MeV; 12C(α, α'γ), E=17.9, 24.9 MeV; measured pγ-coin, αγ-coin, Iγ(θ, H) in magnetized Fe; deduced K-shell polarization, effective charge.

doi: 10.1007/BF01021508
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1976GE01      Phys.Lett. 60B, 338 (1976)

J.Gerber, M.B.Goldberg, K.-H.Speidel

The Sign of the Magnetic Moment of the First 2+ State in 20O

NUCLEAR REACTIONS 18O(t, pγ), E=3.50 MeV; measured pγ-coin, γ(θ, H). 20O level deduced sign of g.

doi: 10.1016/0370-2693(76)90744-9
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1975FO03      Phys.Lett. 55B, 56 (1975)

M.Forterre, J.Gerber, J.P.Vivien, M.B.Goldberg, K.-H.Speidel

The Sign of the Magnetic Moment of the First 2+ State in 18O

NUCLEAR REACTIONS 18O(α, α'), E=7.40 MeV; measured α'γ(θ, H, t). 18O level deduced sign of g.

doi: 10.1016/0370-2693(75)90186-0
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1975FO06      Phys.Rev. C11, 1976 (1975)

M.Forterre, J.Gerber, J.P.Vivien, M.B.Goldberg, K.-H.Speidel, P.N.Tandon

Transient Field at Nitrogen Nuclei Recoiling in Iron and the Magnetic Moment of the 15N First Excited State

NUCLEAR REACTIONS 13,14C(3He, pγ), E=2-4 MeV; measured pγ-coin, W(θ). 15,16N levels deduced g, transient field. Recoil in magnetized Fe.

doi: 10.1103/PhysRevC.11.1976
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1975SP03      Phys.Lett. 57B, 143 (1975)

K.-H.Speidel, M.B.Goldberg, K.Hagemeyer, G.J.Kumbartzki, G.Goldring, Z.Shkedi, M.Schramm, G.Kraft, H.A.Doubt

The Magnetic Moment of the First-Excited 2+ State in 18O

NUCLEAR REACTIONS 4He(18O, αγ), E=44 MeV; measured γγ(θ, H). 18O level deduced g.

doi: 10.1016/0370-2693(75)90009-X
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1974DO01      Nucl.Phys. A221, 13 (1974)

H.A.Doubt, J.B.Fechner, K.Hagemeyer, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moment Measurements on Hg Nuclei

RADIOACTIVITY 199Au; measured βce(t), ICC-ratios. 199Hg deduced T1/2, E2/M1 mixing ratio.

NUCLEAR REACTIONS 198,199,200,202,204Hg(16O, 16O'γ), E=36 MeV; measured σ(θ(γ), pressure) for recoil into He, vacuum. 198,200,202,204Hg levels deduced g. Enriched targets.

doi: 10.1016/0375-9474(74)90095-5
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1973SP07      Nucl.Phys. A215, 446 (1973)

H.Spehl, S.G.Steadman, A.Weckherlin, H.A.Doubt, K.Hagemeyer, G.J.Kumbartzki, K.-H.Speidel

Search for a Quadrupole Component in the Hyperfine Interaction on Recoil into Vacuum

NUCLEAR REACTIONS 146,148,150Nd(16O, 16O'γ), E=40 MeV; measured σ(θ(γ)) for recoil into vacuum. Deduced type of ionic field.

doi: 10.1016/0375-9474(73)90478-8
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