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NSR database version of May 30, 2024.

Search: Author = J.Leske

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2015ST16      Phys.Rev. C 92, 044324 (2015)

C.Stahl, J.Leske, C.Bauer, D.Bazzacco, E.Farnea, A.Gottardo, P.R.John, C.Michelagnoli, N.Pietralla, M.Reese, E.Sahin, B.Birkenbach, A.Bracco, F.C.L.Crespi, G.de Angelis, P.Desesquelles, J.Eberth, A.Gadea, A.Gorgen, J.Grebosz, H.Hess, J.Jolie, A.Jungclaus, W.Korten, S.M.Lenzi, S.Lunardi, R.Menegazzo, D.Mengoni, V.Modamio, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, M.D.Salsac, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.A.Ur, J.J.Valiente-Dobon

Population of the 2+ms mixed-symmetry state of 140Ba with the α-transfer reaction

NUCLEAR REACTIONS 12C(136Xe, 140Ba)8Be, E=500, 546 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin using AGATA demonstrator array at LNL, Legnaro. 140Ba; deduced levels, J, π, energy and cross section of 2+ mixed-symmetry state. 139Ba; observed γ rays populated in 12C(136Xe, 139Ba*)4He+αn.

doi: 10.1103/PhysRevC.92.044324
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2014IL02      Phys.Rev. C 89, 054316 (2014)

A.Illana, A.Jungclaus, R.Orlandi, A.Perea, C.Bauer, J.A.Briz, J.L.Egido, R.Gernhauser, J.Leske, D.Mucher, J.Pakarinen, N.Pietralla, M.Rajabali, T.R.Rodriguez, D.Seiler, C.Stahl, D.Voulot, F.Wenander, A.Blazhev, H.De Witte, P.Reiter, M.Seidlitz, B.Siebeck, M.J.Vermeulen, N.Warr

Low-velocity transient-field technique with radioactive ion beams: g factor of the first excited 2+ state in 72Zn

NUCLEAR MOMENTS 72Zn; measured Eγ, Iγ, (particle)γ-coin, γγ(θ, H), precession angles, g factor using the transient-field (TF) technique and MINIBALL cluster Ge detectors at REX-ISOLDE-CERN facility. 72Zn beam of 2.94 MeV/nucleon was obtained from bombardment of UCx target with 1.4-GeV protons using RILIS ion source, REXTRAP, and EBIS ion source. Comparison with shell-model and triaxial beyond-mean-field calculations, and with previous experimental results. Systematics of g factors of first 2+ states in even-even N=32-66 Zn, Ge, Se, Kr and Sr isotopes.

doi: 10.1103/PhysRevC.89.054316
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2013BA38      Phys.Rev. C 88, 021302 (2013)

C.Bauer, G.Rainovski, N.Pietralla, D.Bianco, A.Blazhev, T.Bloch, S.Bonig, A.Damyanova, M.Danchev, K.A.Gladnishki, T.Kroll, J.Leske, N.Lo Iudice, T.Moller, K.Moschner, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, C.Stahl, R.Stegmann, T.Stora, Ch.Stoyanov, D.Tarpanov, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte

Local suppression of collectivity in the N=80 isotones at the Z=58 subshell closure

NUCLEAR REACTIONS 48Ti, 64Zn(140Nd, 140Nd'), E=399 MeV; measured Eγ, Iγ, (particle)γ-coin, yields using RILIS source and Miniball array at REX-ISOLDE-CERN facility. 140Nd; deduced E2 and diagonal matrix elements, B(E2) and Q2 for first 2+ state from Coulomb excitation. 48Ti, 64Zn, 140Sm; measured Eγ for first 2+ states. Comparison with shell-model and QPM calculations. Systematics of B(E2) values for first 2+ states in even-even N=80, Z=50-60 nuclei.

doi: 10.1103/PhysRevC.88.021302
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2013PI07      J.Phys.:Conf.Ser. 445, 012030 (2013)

N.Pietralla, C.Bauer, J.Leske, O.Moller, T.Moller, P.von Neumann-Cosel, G.Rainovski, A.Scheikh-Obeid, C.Walz

Exotic ideas on mixed proton-neutron symmetry and their manifestation in heavy nuclei

doi: 10.1088/1742-6596/445/1/012030
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2013ST05      Phys.Rev. C 87, 037302 (2013)

C.Stahl, J.Leske, N.Pietralla, P.R.John, G.Rainovski, J.Gerl, I.Kojouharov, H.Schaffner

Identification of the proton 2p1/2 → 2p3/2 M1 spin-flip transition in 87Rb

NUCLEAR REACTIONS 12C(86Kr, X), E=2.85 MeV/nucleon; measured Eγ, Iγ, particle spectra, γγ-, (particle)γ-coin, level half-lives by DSAM using EUROBALL cluster detectors at GSI facility. 87Rb; deduced levels, J, π, B(M1), M1 spin-flip transition.

doi: 10.1103/PhysRevC.87.037302
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2012BA40      Phys.Rev. C 86, 034310 (2012)

C.Bauer, T.Behrens, V.Bildstein, A.Blazhev, B.Bruyneel, J.Butterworth, E.Clement, L.Coquard, J.L.Egido, A.Ekstrom, C.R.Fitzpatrick, C.Fransen, R.Gernhauser, D.Habs, H.Hess, J.Leske, T.Kroll, R.Krucken, R.Lutter, P.Marley, T.Moller, T.Otsuka, N.Patronis, A.Petts, N.Pietralla, T.R.Rodriguez, N.Shimizu, C.Stahl, I.Stefanescu, T.Stora, P.G.Thirolf, D.Voulot, J.van de Walle, N.Warr, F.Wenander, A.Wiens

Prolate shape of 140Ba from a first combined Doppler-shift and Coulomb-excitation measurement at the REX-ISOLDE facility

NUCLEAR REACTIONS 96Mo(140Ba, 140Ba'), [140Ba secondary beam from U(p, X), E=1.4 GeV primary beam], E=392 MeV; measured Eγ, Iγ, (particle)γ-coin, yields in different angular ranges, differential σ(θ), half-life of first 2+ state by DSAM using REX-ISOLDE and MINIBALL setup at ISOLDE-CERN. 140Ba; deduced level, E2 matrix element, B(E2), and static quadrupole moment of first 2+ state. Z=56, A=130=146; systematics of energies and B(E2) of first 2+ states. Comparison with Monte Carlo shell-model approach and beyond-mean-field calculations. Gogny energy density functionals and distribution of probability contours in the triaxial (β, γ) plane for 0+, 2+ and 4+ states first two bands.

NUCLEAR MOMENTS 140Ba; measured static quadrupole moment of first 2+ state by reorientation analysis of Coulomb-excitation yields.

doi: 10.1103/PhysRevC.86.034310
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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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2012MO23      Phys.Rev. C 86, 031305 (2012)

T.Moller, N.Pietralla, G.Rainovski, T.Ahn, C.Bauer, M.P.Carpenter, L.Coquard, R.V.F.Janssens, J.Leske, C.J.Lister, E.A.McCutchan, O.Moller, D.Seweryniak, S.Zhu

Absolute β-to-ground band transition strengths in 154Sm

NUCLEAR REACTIONS 12C(154Sm, 154Sm'), E=570 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) in Coulomb excitation using Gammasphere array at ATLAS facility in ANL. 154Sm; deduced levels, J, π, multipolarity, mixing ratio, absolute B(E2), bands, level half-lives. Comparison with confined β-soft rotor model (CBS) and X(5) predictions.

doi: 10.1103/PhysRevC.86.031305
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2011CO07      Phys.Rev. C 83, 044318 (2011)

L.Coquard, G.Rainovski, N.Pietralla, T.Ahn, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, T.Moller, W.Rother, V.Werner, S.Zhu

O(6)-symmetry breaking in the γ -soft nucleus 126Xe and its evolution in the light stable xenon isotopes

NUCLEAR REACTIONS 12C(126Xe, 126Xe'), E=399 MeV; measured Eγ, Iγ, γγ-coin, Coulomb excitation cross sections using Gammasphere array. 126Xe; deduced levels, J, π, bands, B(E2), B(E3) and B(M1) transition strengths, half-lives. Comparison with sd-IBM-1 calculations. O(6)-symmetry breaking and O(5)-symmetry conservation in 124,126,128Xe.

doi: 10.1103/PhysRevC.83.044318
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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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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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2010CO09      Phys.Rev. C 82, 024317 (2010)

L.Coquard, N.Pietralla, G.Rainovski, T.Ahn, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, W.Rother, V.Werner, S.Zhu

Evolution of the mixed-symmetry 21, ms+ quadrupole-phonon excitation from spherical to γ-soft Xe nuclei

NUCLEAR REACTIONS 12C(130Xe, 130Xe'), E=409 MeV; 12C(132Xe, 132Xe'), E=414 MeV; measured Eγ, Iγ, and σ using Gammasphere array. 130Xe, 132Xe; deduced J, π, B(E2), B(M1), and one-phonon mixed symmetry 2+ states. Projectile Coulomb excitation. Systematics of level energies and B(M1) strengths of one-phonon mixed symmetry states in even-even 124-134Xe nuclei.

doi: 10.1103/PhysRevC.82.024317
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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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2010RA25      J.Phys.:Conf.Ser. 205, 012039 (2010)

G.Rainovski, N.Pietralla, J.Leske, T.Ahn, L.Coquard, C.Bauer, Th.Moler, K.Gladnishki, M.Danchev, A.Damyanova, D.Karagyozov, R.Topchiyska, C.J.Lister, R.V.F.Janssens, M.P.Carpenter, S.Zhu

Experimental studies of proton-neutron mixed symmetry states in the mass A ≈ 130 region

doi: 10.1088/1742-6596/205/1/012039
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2009CO24      Phys.Rev. C 80, 061304 (2009)

L.Coquard, N.Pietralla, T.Ahn, G.Rainovski, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, W.Rother, V.Werner, S.Zhu

Robust test of E(5) symmetry in 128Xe

NUCLEAR REACTIONS 12C(128Xe, 128Xe'), E=404 MeV; measured Eγ, Iγ, γγ-coin, and γ-ray yields in Coulomb excitation using Gammasphere array. 128Xe; deduced levels, J, π, B(E2), and B(E2) ratios. Tested validity of E(5) symmetry.

doi: 10.1103/PhysRevC.80.061304
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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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2008SA35      Phys.Lett. B 669, 19 (2008)

T.R.Saito, N.Saito, K.Starosta, J.Beller, N.Pietralla, H.J.Wollersheim, D.L.Balabanski, A.Banu, R.A.Bark, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, G.Benzoni, P.G.Bizzeti, C.Boiano, A.Bracco, S.Brambilla, A.Brunle, A.Burger, L.Caceres, F.Camera, F.C.L.Crespi, P.Doornenbal, A.B.Garnsworthy, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, G.Hagemann, J.Jolie, M.Kavatsyuk, O.Kavatsyuk, T.Koike, I.Kojouharov, N.Kurz, J.Leske, G.Lo Bianco, A.Maj, S.Mallion, S.Mandal, M.Maliage, T.Otsuka, C.M.Petrache, Zs.Podolyak, W.Prokopowicz, G.Rainovski, P.Reiter, A.Richard, H.Schaffner, S.Schielke, G.Sletten, N.J.Thompson, D.Tonev, J.Walker, N.Warr, O.Wieland, Q.Zhong

Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation

NUCLEAR REACTIONS Au(134Ce, 134CE'), (136ND, 136ND'), E≈ 126 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 134Ce, 136Nd; deduced B(E2).

doi: 10.1016/j.physletb.2008.09.027
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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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2006PO01      Phys.Lett. B 632, 203 (2006)

Zs.Podolyak, J.Gerl, M.Hellstrom, F.Becker, K.A.Gladnishki, M.Gorska, A.Kelic, Y.Kopatch, S.Mandal, P.H.Regan, K.-H.Schmidt, P.M.Walker, H.J.Wollersheim, A.Banu, G.Benzoni, H.Boardman, E.Casarejos, J.Ekman, H.Geissel, H.Grawe, D.Hohn, I.Kojouharov, J.Leske, R.Lozeva, M.N.Mineva, G.Neyens, R.D.Page, C.J.Pearson, M.Portillo, D.Rudolph, N.Saito, H.Schaffner, D.Sohler, K.Summerer, J.J.Valiente-Dobon, C.Wheldon, H.Weick, M.Winkler

High angular momentum states populated in fragmentation reactions

NUCLEAR REACTIONS Be(238U, X)211Fr/212Fr/213Fr/214Ra/215Ra/215Ac, E=900 MeV/nucleon; measured delayed Eγ, Iγ; deduced isomeric ratios for high spin states.

doi: 10.1016/j.physletb.2005.10.070
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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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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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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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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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