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NSR database version of April 26, 2024.

Search: Author = S.Langdown

Found 19 matches.

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2007JO14      Phys.Rev. C 76, 054317 (2007); Erratum Phys.Rev. C 76, 069905 (2007)

G.A.Jones, P.H.Regan, Zs.Podolyak, N.Yoshinaga, K.Higashiyama, G.de Angelis, Y.H.Zhang, A.Gadea, C.A.Ur, M.Axiotis, D.Bazzacco, D.Bucurescu, E.Farnea, W.Gelletly, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lenzi, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, R.Menegazzo, D.R.Napoli, B.Quintana, B.Rubio, C.Rusu, R.Schwenger, D.Tonev, J.J.Valiente Doban, W.von Oertzen

Yrast studies of ^{80, 82}Se using deep-inelastic reactions

NUCLEAR REACTIONS ¹⁹²Os(⁸²Se, X), E=460 MeV; measured Eγ, Iγ, γγ-coin. ^80,82Se; deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.76.054317
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2007NG03      Phys.Rev. C 75, 034305 (2007)

E.Ngijoi-Yogo, S.K.Tandel, G.Mukherjee, I.Shestakova, P.Chowdhury, C.Y.Wu, D.Cline, A.B.Hayes, R.Teng, R.M.Clark, P.Fallon, A.O.Macchiavelli, K.Vetter, F.G.Kondev, S.Langdown, P.M.Walker, C.Wheldon, D.M.Cullen

Collective rotation and vibration in neutron-rich ^{180, 182}Hf nuclei

NUCLEAR REACTIONS ¹⁸⁰Hf(¹³⁶Xe, X)¹⁸⁰Hf/¹⁸²Hf, E=750 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. ^180,182Hf deduced levels, J, π, rotational and vibrational bands features. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.75.034305
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2006WH02      Phys.Rev. C 74, 027303 (2006)

C.Wheldon, J.J.Valiente-Dobon, P.H.Regan, C.J.Pearson, C.Y.Wu, J.F.Smith, A.O.Macchiavelli, D.Cline, R.S.Chakrawarthy, R.Chapman, M.Cromaz, P.Fallon, S.J.Freeman, W.Gelletly, A.Gorgen, A.B.Hayes, H.Hua, S.D.Langdown, I.Y.Lee, X.Liang, Zs.Podolyak, G.Sletten, R.Teng, D.Ward, D.D.Warner, A.D.Yamamoto

Observation of an isomeric state in ¹⁹⁷Au

NUCLEAR REACTIONS ¹⁹⁸Pt(¹³⁶Xe, X)¹⁹⁵Au/¹⁹⁷Au, E=850 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁹⁷Au deduced levels, J, π, configurations, high-spin isomer T_1/2. ¹⁹⁵Au deduced transition. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.74.027303
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2005BU08      Phys.Rev. C 71, 034315 (2005)

D.Bucurescu, Zs.Podolyak, C.Rusu, G.de Angelis, Y.H.Zhang, G.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, R.Marginean, L.C.Mihailescu, G.A.Suliman, P.H.Regan, W.Gelletly, S.D.Langdown, J.J.Valiente-Dobon, D.Bazzacco, S.Lunardi, C.A.Ur, M.Axiotis, A.Gadea, E.Farnea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, T.Martinez, P.G.Bizzeti, R.Broda, N.H.Medina, B.Quintana, B.Rubio

High-spin states in the nuclei ⁹¹Y and ⁹⁵Nb

NUCLEAR REACTIONS ⁸²Se(¹²C, 2np), E=38 MeV; ⁸²Se(¹⁶O, 2np), E=48 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. ¹²C, ¹⁶O(⁸²Se, X)⁹¹Y/⁹⁵Nb, E=470 MeV; measured Eγ, Iγ, γγ-coin. ⁹¹Y, ⁹⁵Nb deduced high-spin levels, J, π, configurations. GASP array, comparison with shell model predictions, level systematics in neighboring isotones discussed.

doi: 10.1103/PhysRevC.71.034315
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2005JO11      Acta Phys.Pol. B36, 1323 (2005)

G.A.Jones, Zs.Podolyak, N.Schunck, P.M.Walker, G.De Angelis, Y.H.Zhang, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams

Oblate collectivity in the yrast structure of ¹⁹⁴Pt

NUCLEAR REACTIONS ¹⁹²Os(⁸²Se, X)¹⁹⁴Pt, E=460 MeV; measured Eγ, Iγ, γγ-coin. ¹⁹⁴Pt deduced levels, J, π, configurations, B(E2). GASP array.

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2005JO19      J.Phys.(London) G31, S1891 (2005)

G.A.Jones, Zs.Podolyak, P.M.Walker, P.H.Regan, G.de Angelis, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams, Y.H.Zhang

Population of yrast states in ¹⁹¹Os using deep-inelastic reactions

NUCLEAR REACTIONS ¹⁹²Os(⁸²Se, X)¹⁹¹Os, E=460 MeV; measured Eγ, Iγ, γγ-coin. ¹⁹¹Os deduced levels, J, π, branching ratios, configurations, isomeric state features. GASP array.

doi: 10.1088/0954-3899/31/10/095
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2005RE11      Acta Phys.Pol. B36, 1313 (2005)

P.H.Regan, C.Wheldon, A.D.Yamamoto, J.J.Valiente-Dobon, D.Cline, C.Y.Wu, A.O.Macchiavelli, F.R.Xu, J.F.Smith, K.Andgren, R.S.Chakrawarthy, M.Cromaz, P.Fallon, S.J.Freeman, A.Gorgen, A.Hayes, H.Hua, S.D.Langdown, I-Y.Lee, C.J.Pearson, Zs.Podolyak, R.Teng

Vibrational and rotational sequences in ¹⁰¹Mo and ^{103, 4}Ru studied via multinucleon transfer reactions

NUCLEAR REACTIONS ¹⁰⁰Mo(¹³⁶Xe, X)¹⁰¹Mo/¹⁰³Ru/¹⁰⁴Ru, E=700 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. ¹⁰¹Mo, ^103,104Ru deduced high-spin levels, J, π, configurations. Gammasphere, Chico arrays.

2005RE23      J.Phys.(London) G31, S1605 (2005)

J.J.Ressler, C.W.Beausang, R.F.Casten, N.V.Zamfir, H.Ai, H.Amro, M.Babilon, R.B.Cakirli, J.A.Caggiano, G.Gurdal, A.Heinz, R.O.Hughes, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, J.Qian, P.H.Regan, M.J.S.Sciacchitano, N.J.Thomas, E.Williams, A.Yamamoto

Isomers and seniority in the trans-Pb nuclei

NUCLEAR REACTIONS ^182,184W(³⁰Si, 4n), E=148 MeV; measured delayed Eγ, Iγ, γγ-, (recoil)γ-coin. ^208,210Ra deduced levels, J, π, isomers T_1/2, B(E2). Mass separator.

doi: 10.1088/0954-3899/31/10/041
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2004MC01      Phys.Rev. C 69, 024308 (2004)

E.A.McCutchan, N.V.Zamfir, M.A.Caprio, R.F.Casten, H.Amro, C.W.Beausang, D.S.Brenner, A.A.Hecht, C.Hutter, S.D.Langdown, D.A.Meyer, P.H.Regan, J.J.Ressler, A.D.Yamamoto

Low spin states in ¹⁶²Yb and the X(5) critical point symmetry

RADIOACTIVITY ¹⁶²Lu(β⁺), (EC) [from ¹⁴⁷Sm(¹⁹F, 4n)]; measured Eγ, Iγ, γγ-coin. ¹⁶²Yb deduced levels, J, π, symmetry features.

doi: 10.1103/PhysRevC.69.024308
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2004PO06      Int.J.Mod.Phys. E13, 123 (2004)

Zs.Podolyak, S.Mohammadi, G.De Angelis, Y.H.Zhang, M.Axiotis, D.Bazzacco, P.F.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, P.M.Walker

Structure of neutron-rich nuclei from deep-inelastic reactions

NUCLEAR REACTIONS ¹⁹²Os(⁸²Se, X), E=460 MeV; measured Eγ, Iγ, γγ-coin. ^{72,74,76,78,80,82}Ge, ¹⁸⁸W, ^{184,186,188,190}Os deduced levels, J, π. GASP array.

doi: 10.1142/S0218301304001837
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2004RE03      Phys.Rev. C 69, 034317 (2004)

J.J.Ressler, R.F.Casten, N.V.Zamfir, C.W.Beausang, R.B.Cakirli, H.Ai, H.Amro, M.A.Caprio, A.A.Hecht, A.Heinz, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, P.H.Regan, M.J.S.Sciacchitano, A.D.Yamamoto

Transition from the seniority regime to collective motion

NUCLEAR STRUCTURE ⁹²Mo, ⁹⁴Ru, ⁹⁶Pd, ⁹⁸Cd, ^{118,120,122,124,126}Sn, ¹⁴⁸Dy, ¹⁵⁰Er, ¹⁵²Yb, ¹⁵⁴Hf, ^{202,204,206,208,210,212}Po, ^{204,206,208,210,212,214}Rn, ^{206,208,210,212,214,216}Ra; analyzed B(E2); deduced signature for transition to collective motion.

doi: 10.1103/PhysRevC.69.034317
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2004RE04      Phys.Rev. C 69, 034331 (2004)

J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.A.Caprio, R.F.Casten, A.A.Hecht, S.D.Langdown, E.A.McCutchan, D.A.Meyer, P.H.Regan, M.J.S.Sciacchitano, A.Yamamoto, N.V.Zamfir

Isomer decay tagging in the heavy nuclei: ²¹⁰Ra and ²⁰⁹Ra

NUCLEAR REACTIONS ¹⁸⁴W(³⁰Si, 4n), (³⁰Si, 5n), E=148 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. ^209,210Ra deduced levels, J, π, configurations, isomers T_1/2. Gas-filled spectrometer, isomer decay tagging.

doi: 10.1103/PhysRevC.69.034331
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2004RE11      Laser Phys.Lett. 1, 317 (2004)

P.H.Regan, J.J.Valiente-Dobon, C.Wheldon, C.Y.Wu, J.F.Smith, A.O.Macchiavelli, D.Cline, R.S.Chakrawarthy, R.Chapman, M.Cromaz, P.Fallon, S.J.Freeman, A.Gorgen, W.Gelletly, A.Hayes, S.D.Langdown, I.Y.Lee, X.Liang, C.J.Pearson, Zs.Podolyak, R.Teng, D.Ward, D.D.Warner, A.D.Yamamoto

Production of exotic nuclear isomers in multi-nucleon transfer reactions

NUCLEAR REACTIONS ¹⁹⁸Pt(¹³⁶Xe, X), E=850 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin following multinucleon transfer reactions. ¹⁹⁸Pt deduced levels, J, π. ¹⁸⁴W, ¹⁸⁵Re, ^191,192,195Os, ^192,198Pt, ¹⁹³Au deduced transitions, high-spin isomeric states T_1/2. ¹³⁶Ba, ^133,134,136Xe deduced delayed transitions. Gammasphere, Chico arrays.

doi: 10.1002/lapl.200410073
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2004VA03      Phys.Rev. C 69, 024316 (2004)

J.J.Valiente-Dobon, P.H.Regan, C.Wheldon, C.Y.Wu, N.Yoshinaga, K.Higashiyama, J.F.Smith, D.Cline, R.S.Chakrawarthy, R.Chapman, M.Cromaz, P.Fallon, S.J.Freeman, A.Gorgen, W.Gelletly, A.Hayes, H.Hua, S.D.Langdown, I.Y.Lee, X.Liang, A.O.Macchiavelli, C.J.Pearson, Zs.Podolyak, G.Sletten, R.Teng, D.Ward, D.D.Warner, A.D.Yamamoto

¹³⁶Ba studied via deep-inelastic collisions: Identification of the (νh_11/2)^-2₁₀₊ isomer

NUCLEAR REACTIONS ¹⁹⁸Pt(¹³⁶Xe, X), E=850 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin. ¹³⁶Ba deduced levels, J, π, B(E2), isomer T_1/2. ^128,130Te, ^131,133I, ^132,136Xe, ¹³⁸Ba, ¹³⁷La, ¹⁸⁴W, ¹⁸⁵Re, ^191,192,195Os, ^192,198Pt, ¹⁹³Au; deduced isomers T_1/2. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.69.024316
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2004WH02      Eur.Phys.J. A 20, 365 (2004)

C.Wheldon, J.J.Valiente-Dobon, P.H.Regan, C.J.Pearson, C.Y.Wu, J.F.Smith, A.O.Macchiavelli, D.Cline, R.S.Chakrawarthy, R.Chapman, M.Cromaz, P.Fallon, S.J.Freeman, A.Gorgen, W.Gelletly, A.Hayes, H.Hua, S.D.Langdown, I.Y.Lee, X.Liang, Zs.Podolyak, G.Sletten, R.Teng, D.Ward, D.D.Warner, A.D.Yamamoto

Multi-quasiparticle states in ¹⁸⁴W via multi-nucleon transfer

NUCLEAR REACTIONS ¹⁹⁸Pt(¹³⁶Xe, X)¹⁸⁴W, E=850 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. ¹⁸⁴W deduced levels, J, π, configurations, isomer T_1/2. Gammasphere, Chico arrays, comparison with model predictions.

doi: 10.1140/epja/i2003-10189-8
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2004ZH27      Phys.Rev. C 70, 024301 (2004)

Y.H.Zhang, Zs.Podolyak, G.de Angelis, A.Gadea, C.Ur, S.Lunardi, N.Marginean, C.Rusu, R.Schwengner, Th.Kroll, D.R.Napoli, R.Menegazzo, D.Bazzacco, E.Farnea, S.Lenzi, T.Martinez, M.Axiotis, D.Tonev, W.Gelletly, S.Langdown, P.H.Regan, J.J.Valiente-Dobon, W.von Oertzen, B.Rubio, B.Quintana, N.Medina, R.Broda, D.Bucurescu, M.Ionescu-Bujor, A.Iordachescu

Stability of the N = 50 shell gap in the neutron-rich Rb, Br, Se, and Ge isotones

NUCLEAR REACTIONS ¹⁹²Os(⁸²Se, X)⁸⁷Rb/⁸⁵Br/⁸⁴Se/⁸²Ge, E=460 MeV; measured Eγ, Iγ, γγ-coin. ⁸⁷Rb, ⁸⁵Br, ⁸⁴Se, ⁸²Ge deduced levels, J, π, shell gap features. GASP array, comparison with shell model predictions.

doi: 10.1103/PhysRevC.70.024301
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2003RE10      Phys.Rev.Lett. 90, 152502 (2003)

P.H.Regan, C.W.Beausang, N.V.Zamfir, R.F.Casten, J.-Y.Zhang, A.D.Yamamoto, M.A.Caprio, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.A.Meyer, J.J.Ressler

Signature for Vibrational to Rotational Evolution Along the Yrast Line

NUCLEAR REACTIONS ⁹⁶Zr(⁹Be, 3n), E=44 MeV; measured Eγ, Iγ, γγ-coin. ¹⁰²Ru deduced high-spin levels, J, π, evolution from vibrational to rotational structure.

NUCLEAR STRUCTURE ^{98,100,102,104,106,108}Mo, ^{100,102,104,106,108,110}Ru, ^{102,104,106,108,110,112}Pd, ^{104,106,108,110,112,114}Cd; analyzed transition energies vs spin; deduced evolution from vibrational to rotational behavior.

doi: 10.1103/PhysRevLett.90.152502
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2003RE29      Phys.Rev. C 68, 044313 (2003)

P.H.Regan, A.D.Yamamoto, F.R.Xu, C.Y.Wu, A.O.Macchiavelli, D.Cline, J.F.Smith, S.J.Freeman, J.J.Valiente-Dobon, K.Andgren, R.S.Chakrawarthy, M.Cromaz, P.Fallon, W.Gelletly, A.Gorgen, A.Hayes, H.Hua, S.D.Langdown, I.-Y.Lee, C.J.Pearson, Zs.Podolyak, R.Teng, C.Wheldon

Binary-reaction spectroscopy of ^{99, 100}Mo: Intruder alignment systematics in N = 57 and N = 58 isotones

NUCLEAR REACTIONS ¹⁰⁰Mo(¹³⁶Xe, X)⁹⁹Mo/¹⁰⁰Mo, E=700 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. ^99,100Mo deduced levels, J, configurations, rotational band features. Gammasphere, Chico arrays. Cranked mean-field, total Routhian surface calculations.

doi: 10.1103/PhysRevC.68.044313
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2002YA13      Phys.Rev. C66, 024302 (2002)

A.D.Yamamoto, P.H.Regan, C.W.Beausang, F.R.Xu, M.A.Caprio, R.F.Casten, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.Meyer, J.J.Ressler, N.V.Zamfir

High-j proton and neutron alignments in γ-soft ¹⁰¹Ru

NUCLEAR REACTIONS ⁹⁶Zr(⁹Be, 4n), E ≈ 44 MeV; measured Eγ, Iγ, γγ-coin. ¹⁰¹Ru deduced high-spin levels, J, π, configurations. Total Routhian surface calculations, comparisons with previous results.

doi: 10.1103/PhysRevC.66.024302
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Note: The following list of authors and aliases matches the search parameter S.Langdown: , S.D.LANGDOWN