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NSR database version of April 27, 2024.

Search: Author = A.D.Yamamoto

Found 10 matches.

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

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.

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

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

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

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

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

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