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NSR database version of April 11, 2024.

Search: Author = S.Christen

Found 12 matches.

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2011SE09      Phys.Rev. C 84, 034318 (2011)

M.Seidlitz, P.Reiter, A.Dewald, O.Moller, B.Bruyneel, S.Christen, F.Finke, C.Fransen, M.Gorska, H.Grawe, A.Holler, G.Ilie, T.Kotthaus, P.Kudejova, S.M.Lenzi, S.Mandal, B.Melon, D.Mucher, J.-M.Regis, B.Saha, P.von Brentano, A.Wiens, K.O.Zell

Precision lifetime measurements of the first 2⁺ and 4⁺ states in ⁵⁶Cr at the N = 32 subshell closure

NUCLEAR REACTIONS ⁴⁸Ca(¹¹B, 2np), E=32 MeV; measured Eγ, Iγ, γγ-coin, half-lives by recoil-distance Doppler-shift method using Cologne plunger device, and EUROBALL cluster array. ⁵⁶Cr; levels, J, π, B(E2). Comparison with Shell Model calculations. Systematics of first 2+ and B(E2) values in N=20-36 even-even Ca, Ti and Cr nuclei.

doi: 10.1103/PhysRevC.84.034318
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Data from this article have been entered in the XUNDL database. For more information, click here.

2009BA10      Phys.Rev. C 79, 031304 (2009)

J.Barea, R.Bijker, A.Frank, G.Graw, R.Hertenberger, H.-F.Wirth, S.Christen, J.Jolie, D.Tonev, M.Balodis, J.Berzins, N.Kramere, T.von Egidy

New supersymmetric quartet of nuclei in the A ∼ 190 mass region

NUCLEAR STRUCTURE ^192,193Os, ^193,194Ir; calculated level energies, J, π in the framework of supersymmetric quartet using Interacting boson model and interacting boson-fermion model. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.031304
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2009RE20      Nucl.Instrum.Methods Phys.Res. A606, 466 (2009)

J.-M.Regis, Th.Materna, S.Christen, C.Bernards, N.Braun, G.Breuer, Ch.Fransen, S.Heinze, J.Jolie, T.Meersschaut, G.Pascovici, M.Rudigier, L.Steinert, S.Thiel, N.Warr, K.O.Zell

Sub-nanosecond lifetime measurements using the Double Orange Spectrometer at the cologne 10 MV Tandem accelerator

NUCLEAR REACTIONS ¹⁷²Yb(α, 2n), E=27 MeV; ¹⁶⁹Tm(¹¹B, 4n), E=55 MeV; ¹⁹⁶Pt(p, 2n), E=14 MeV; measured reaction products, Eβ, Iβ, Enullg, Iγ, CE, β-γ coin.; deduced first excited state T_1/2. Lifetime measurements, comparison with available data.

doi: 10.1016/j.nima.2009.04.008
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2008BA25      Phys.Rev. C 77, 064602 (2008)

M.Balodis, H.-F.Wirth, G.Graw, R.Hertenberger, J.Berzins, N.Kramere, J.Jolie, S.Christen, O.Moller, D.Tonev, J.Barea, R.Bijker, A.Frank, T.von Egidy

Transfer and neutron capture reactions to ¹⁹⁴Ir as a test of U_ν(6/12)(X)U_π(6/4) supersymmetry

NUCLEAR REACTIONS ¹⁹³Ir(d, p), E=22 MeV; ¹⁹⁶Pt(polarized d, α), E=18 MeV; measured particle spectra, σ(θ), spectroscopic strengths, analyzing powers, angular distributions. ¹⁹³Ir(n, γ), (n, e^-); analyzed Eγ, Iγ, electron spectra, conversion coefficients. ¹⁹⁴Ir; deduced levels, J, π, multipolarities, bands. Comparison with theoretical data.

doi: 10.1103/PhysRevC.77.064602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0501. Data from this article have been entered in the XUNDL database. For more information, click here.

2008GR04      Nucl.Phys. A801, 83 (2008)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, M.Bender, P.-H.Heenen

Lifetimes of intruder states in ¹⁸⁶Pb, ¹⁸⁸Pb and ¹⁹⁴Po

NUCLEAR REACTIONS ^106,108Pd, ¹¹⁴Cd(⁸³Kr, 3n), E=340, 357, 375 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin and lifetimes for intruder states using the recoil distance Doppler-shift method. ^186,188Pb, ¹⁹⁴Po; deduced B(E2), quadrupole moment and deformation parameters. JUROGAM array used with RITU, GREAT spectrometer. Recoil-decay tagging.

doi: 10.1016/j.nuclphysa.2008.01.002
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Data from this article have been entered in the XUNDL database. For more information, click here.

2007GR27      Eur.Phys.J. Special Topics 150, 121 (2007)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, H.Kettunen, T.Kroll, R.Krucken, P.Jones, S.Juutinen, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, B.Melon, D.A.Meyer, P.Nieminen, M.Nyman, R.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

Collectivity in neutron-deficient Pb and Po nuclei

doi: 10.1140/epjst/e2007-00282-8
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2007LE39      Iader.Fiz.Enerh. 8 no.4, 27 (2007); Nuc.phys.atom.energ. 8, no.4, 27 (2007)

A.I.Levon, G.Graw, S.Christen, Y.Eisermann, C.Gunther, R.Hertenberger, J.Jolie, O.Moller, P.Thirolf, D.Tonev, H.-F.Wirth, N.V.Zamfir

0⁺ states and collective bands in deformed actinide nuclei

NUCLEAR REACTIONS ^228,230Th, ²³⁴U(p, t), E=25 MeV; measured triton spectra;deduced σ(θ). ^228,230Th, ²³⁴; deduced levels J, π, collective bands, moments of inertia, nature of 0+ states. DWBA fit procedure. Coupled channels analyses. Comparison with previous experimental data, and with interacting boson model and quasiparticle-phonon model calculations.

doi: 10.15407/jnpae
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2006GR16      Phys.Rev.Lett. 97, 062501 (2006)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

Collectivity and Configuration Mixing in ^{186, 188}Pb and ¹⁹⁴Po

NUCLEAR REACTIONS ¹⁰⁶Pd(⁸³Kr, 3n), E=357 MeV; ¹⁰⁸Pd(⁸³Kr, 3n), E=340 MeV; ¹¹⁴Cd(⁸³Kr, 3n), E=375 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (recoil)γ-coin. ^186,188Pb, ¹⁹⁴Po levels deduced T_1/2, B(E2), transition quadrupole moments. configuration-mixing features. Jurogam array, recoil decay tagging, recoil-distance Doppler-shift technique.

doi: 10.1103/PhysRevLett.97.062501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2005GA47      J.Phys.(London) G31, S1855 (2005)

P.E.Garrett, W.D.Kulp, J.L.Wood, D.Bandyopadhyay, S.Christen, S.Choudry, A.Dewald, A.Fitzler, C .Fransen, K.Jessen, J.Jolie, A.Kloezer, P.Kudejova, A.Kumar, S.R.Lesher, A.Linnemann, A.Lisetskiy, D.Martin, M.Masur, M.T.McEllistrem, O.Moller, M.Mynk, J.N.Orce, P.Pejovic, T.Pissulla, J.M.Regis, A.Schiller, D.Tonev, S.W.Yates

Octupole and hexadecapole bands in ¹⁵²Sm

NUCLEAR REACTIONS ¹⁵⁰Nd(α, 2n), E=22.5 MeV; ¹⁵²Sm(n, n'), E not given; measured Eγ, Iγ, γγ-coin. ¹⁵²Sm deduced levels, J, π, octupole and hexadecapole bands.

doi: 10.1088/0954-3899/31/10/087
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2005MO33      Phys.Rev. C 72, 034306 (2005)

O.Moller, P.Petkov, B.Melon, A.Dewald, A.Fitzler, J.Jolie, D.Tonev, S.Christen, B.Saha, K.O.Zell, M.Heidemann

Lifetimes of the first excited 2⁺ states in ^{176, 178, 180}Os

NUCLEAR REACTIONS ^164,166,168Er(¹⁶O, 4n), E=80 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. ¹⁶⁶Er(¹⁶O, 4n), E=80 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. ^176,178,180Os deduced levels, J, π, T_1/2, B(E2). Pulsed-beam and recoil-distance techniques.

doi: 10.1103/PhysRevC.72.034306
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2004WI06      Phys.Rev. C 69, 044310 (2004)

H.-F.Wirth, G.Graw, S.Christen, D.Cutoiu, Y.Eisermann, C.Gunther, R.Hertenberger, J.Jolie, A.I.Levon, O.Moller, G.Thiamova, P.Thirolf, D.Tonev, N.V.Zamfir

0⁺ states in deformed actinide nuclei by the (p, t) reaction

NUCLEAR REACTIONS ^230,232Th, ²³⁴U(p, t), E=25 MeV; measured σ(E, θ). ^228,230Th, ²³²U deduced 0⁺ level energies, spectroscopic factors, transfer strengths. Comparison with model predictions.

doi: 10.1103/PhysRevC.69.044310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0171. Data from this article have been entered in the XUNDL database. For more information, click here.

2004WI08      Phys.Rev. C 70, 014610 (2004)

H.-F.Wirth, G.Graw, S.Christen, Y.Eisermann, A.Gollwitzer, R.Hertenberger, J.Jolie, A.Metz, O.Moller, D.Tonev, B.D.Valnion

One- and two-nucleon transfer reactions to ¹⁹⁶Au

NUCLEAR REACTIONS ¹⁹⁷Au(p, d), E=26 MeV; ¹⁹⁴Pt(α, d), E=36 MeV; ¹⁹⁵Pt(³He, d), E=36 MeV; measured deuteron spectra, σ(θ). ¹⁹⁷Au(polarized d, t), E=25 MeV; ¹⁹⁸Hg(polarized d, α), E=18 MeV; measured σ(E, θ), Ay(E, θ). ¹⁹⁶Au deduced levels, J, π. Comparison with model predictions, previous results.

doi: 10.1103/PhysRevC.70.014610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1219. Data from this article have been entered in the XUNDL database. For more information, click here.