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NSR database version of April 27, 2024.

Search: Author = P.Ahonen

Found 17 matches.

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1995JU02      Phys.Rev. C51, 1699 (1995)

S.Juutinen, P.Simecek, P.Ahonen, M.Carpenter, C.Fahlander, J.Gascon, R.Julin, A.Lampinen, T.Lonnroth, J.Nyberg, A.Pakkanen, M.Piiparinen, K.Schiffer, G.Sletten, S.Tormanen, A.Virtanen

Shape Coexistence in the Transitional ¹³³Ba Nucleus

NUCLEAR REACTIONS ¹²⁴Sn(¹³C, 4n), E=48.4, 65.5 MeV; measured Eγ, Iγ, DCO ratios. ¹³³Ba deduced high-spin levels, J, π, shape features, band structure. Total Ronthian surface calculations.

doi: 10.1103/PhysRevC.51.1699
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1995JU09      Phys.Rev. C52, 2946 (1995)

S.Juutinen, S.Tormanen, P.Ahonen, M.Carpenter, C.Fahlander, J.Gascon, R.Julin, A.Lampinen, T.Lonnroth, J.Nyberg, A.Pakkanen, M.Piiparinen, K.Schiffer, P.Simecek, G.Sletten, A.Virtanen

Band Structures in ¹³²Ba

NUCLEAR REACTIONS ¹²⁴Sn(¹³C, 5n), E=65.5 MeV; measured Eγ, Iγ, Iγγ(θ), γγ-coin. ¹³²Ba deduced levels, J, π, band structure. Array of Ge detectors.

doi: 10.1103/PhysRevC.52.2946
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1994JU04      Nucl.Phys. A573, 306 (1994)

S.Juutinen, R.Julin, M.Piiparinen, P.Ahonen, B.Cederwall, C.Fahlander, A.Lampinen, T.Lonnroth, A.Maj, S.Mitarai, D.Muller, J.Nyberg, P.Simecek, M.Sugawara, I.Thorslund, S.Tormanen, A.Virtanen, R.Wyss

Gamma-Ray Spectroscopy of ¹¹⁰Cd

NUCLEAR REACTIONS ⁹⁶Zr(¹⁸O, 4n), E=73 MeV; ¹⁰⁰Mo(¹³C, 3n), E=44 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(t). ¹¹⁰Cd deduced levels, J, π, T_1/2, γ-branching, B(M1)/B(E2) ratios, experimental Routhians, aligned momenta. Enriched targets, array of Compton-suppressed Ge detectors, BaF₂ ball. TRS and CSM calculations.

doi: 10.1016/0375-9474(94)90173-2
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1994TO05      Nucl.Phys. A572, 417 (1994)

S.Tormanen, S.Juutinen, R.Julin, B.Cederwall, A.Johnson, R.Wyss, P.Ahonen, B.Fant, M.Matsuzaki, J.Nyberg, M.Piiparinen, S.Mitarai, J.Mukai, A.Virtanen

Competing Proton and Neutron Alignments in Neutron-Deficient Xe-Nuclei

NUCLEAR REACTIONS ⁹²Mo(³²S, xn2pα), (³²S, 4p), E=145 MeV; ¹⁰⁶Pd(¹⁸O, 4n), E=75 MeV; measured Eγ, Iγ, DCO ratios, γγ-coin. ^117,118,120Xe deduced levels, J, π, γ-branching, B(λ) ratios, experimental routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed Ge-detectors, 4π array of Si charged-particle detectors, neutron detectors. Total routhian surface calculations, γS-band.

doi: 10.1016/0375-9474(94)90183-X
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1993JU03      Nucl.Phys. A553, 531c (1993)

S.Juutinen, S.Tormanen, P.Ahonen, B.Cederwall, B.Fant, A.Johnson, R.Julin, S.Mitarai, J.Mukai, J.Nyberg, M.Piiparinen, A.Virtanen, R.Wyss

Competing Proton and Neutron Alignments in ^117-120Xe

NUCLEAR REACTIONS ⁹²Mo(³²S, X), E=145 MeV; measured γ-spectra. ¹⁰⁶Pd(¹⁸O, 4n), E=75 MeV; measured total Eγ, γ-multiplicity, γγ-coin. ^117,118,120Xe deduced levels, J, π, configuration.

doi: 10.1016/0375-9474(93)90654-G
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1993PI16      Nucl.Phys. A565, 671 (1993)

M.Piiparinen, R.Julin, S.Juutinen, A.Virtanen, P.Ahonen, C.Fahlander, J.Hattula, A.Lampinen, T.Lonnroth, A.Maj, S.Mitarai, D.Muller, J.Nyberg, A.Pakkanen, M.Sugawara, I.Thorslund, S.Tormanen

Lifetimes of Yrast States in ¹¹⁰Cd

NUCLEAR REACTIONS ¹⁰⁰Mo(¹³C, 3n), E=44 MeV; measured Eγ, Iγ, γγ-coin. ¹¹⁰Cd levels deduced B(E2) values, T_1/2. Enriched targets, array of Compton-suppressed Ge detectors, 4π BaF₂ ball, plunger.

doi: 10.1016/0375-9474(93)90052-Y
Citations: PlumX Metrics

1992CE05      Nucl.Phys. A542, 454 (1992)

B.Cederwall, F.Liden, A.Johnson, L.Hildingsson, R.Wyss, B.Fant, S.Juutinen, P.Ahonen, S.Mitarai, J.Mukai, J.Nyberg, I.Ragnarsson, P.B.Semmes

Signature Inversion in ¹²⁰Cs: Evidence for a residual pn interaction

NUCLEAR REACTIONS ⁹²Mo(³²S, n3p), E=145 MeV; measured Eγ, Iγ, σ(Eγ, θ), (particle)γγ-coin. ¹²⁰Cs deduced levels, J, π, routhians, aligned angular momenta. Enriched targets, array of Compton suppressed hyperpure Ge detectors, array of neutron detectors, 4π array of Si charged particle detectors. Total routhian surface, two-particle plus triaxial rotor calculations.

doi: 10.1016/0375-9474(92)90106-T
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1992JU02      Z.Phys. A344, 223 (1992)

S.Juutinen, S.Tormanen, P.Ahonen, B.Cederwall, A.Johnson, B.Fant, R.Julin, S.Mitarai, J.Mukai, J.Nyberg, A.Virtanen

Shape Coexistence in ¹¹⁷I

NUCLEAR REACTIONS ⁹²Mo(³²S, X), E=145 MeV; measured γ(particle)-coin. ¹¹⁷I deduced levels, J, π, band structure, shape features.

doi: 10.1007/BF01291708
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1992LI22      Nucl.Phys. A550, 365 (1992)

F.Liden, B.Cederwall, P.Ahonen, D.W.Banes, B.Fant, J.Gascon, L.Hildingsson, A.Johnson, S.Juutinen, A.Kirwan, D.J.G.Love, S.Mitarai, J.Mukai, A.H.Nelson, J.Nyberg, J.Simpson, R.Wyss

Alignment Processes in ¹¹⁹Cs, ¹²¹Cs and ¹²³Cs

NUCLEAR REACTIONS ¹⁰⁶Cd(¹⁹F, xn2p), E=95 MeV; ⁹²Mo(³⁴S, xn3p), (³⁴S, xnpα), E=150, 155 MeV; ⁹²Mo(³²S, 3p), (³²S, pα), E=145 MeV; measured Eγ, Iγ, σ(Eγ, θ), (particle)γγ-coin. ^119,121,123Cs deduced levels, J, π, band structure experimental Routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed hyperpure Ge detectors, 4π array of plastic phoswich charged-particle detectors, 4π bismuth-germanate ball, neutron-detector array, 4π array of Si charged-particle detectors. Band-head, total-routhian-surface calculations.

doi: 10.1016/0375-9474(92)90687-F
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1991CE03      Z.Phys. A338, 463 (1991)

B.Cederwall, A.Johnson, B.Fant, S.Juutinen, P.Ahonen, S.Mitarai, J.Mukai, J.Nyberg

Neutron and Proton h_11/2 Alignment Effects in ¹²¹La

NUCLEAR REACTIONS ⁹²Mo(³²S, 2np), E=145 MeV; measured γγ-coin, sum spectra. ¹²¹La deduced levels, J, π, band structure, Nilsson assignments.

doi: 10.1007/BF01295778
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1991CE05      Nucl.Phys. A529, 410 (1991)

B.Cederwall, A.Johnson, R.Wyss, C.G.Linden, S.Mitarai, J.Mukai, B.Fant, S.Juutinen, P.Ahonen, J.Nyberg

High-Spin States in ¹²¹Ba and Deformation Dependent Alignments

NUCLEAR REACTIONS ⁹²Mo(³²S, n2p), E=145 MeV; measured Eγ, Iγ, γγ-coin. ¹²¹Ba deduced levels, J, B(M1)/B(E2) ratios. Band head, total routhian surface calculations.

doi: 10.1016/0375-9474(91)90801-C
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1991CE06      Z.Phys. A338, 461 (1991)

B.Cederwall, A.Johnson, R.Wyss, F.Liden, B.Fant, S.Juutinen, P.Ahonen, S.Mitarai, J.Mukai, J.Nyberg

High Spin States of ¹²⁰Ba

NUCLEAR REACTIONS ⁹²Mo(³²S, 2n2p), E=145 MeV; measured γ-spectra. ¹²⁰Ba deduced levels, J, π, band structure. NORDBALL detector system. Total Routhian Surface calculations.

doi: 10.1007/BF01295777
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1991JU02      Nucl.Phys. A526, 346 (1991)

S.Juutinen, P.Ahonen, J.Hattula, R.Julin, A.Pakkanen, A.Virtanen, J.Simpson, R.Chapman, D.Clarke, F.Khazaie, J.Lisle, J.N.Mo

High-j Bands in ¹⁷³Ir

NUCLEAR REACTIONS ¹⁴⁴Sm(³²S, 2np), E=160-170 MeV; measured Eγ, Iγ, γ yield, γ(θ), γγ-coin. ¹¹⁸Sn(⁵⁸Ni, 2np), E=270 MeV; measured (recoil)γ-coin. ¹⁷³Ir deduced levels, J, π, γ-branching, B(λ) ratios. Enriched targets, array of Compton-suppressed Ge detectors. Experimental routhians and aligned angular momenta, single particle levels, total routhian surface calculations, Woods-Saxon potential.

doi: 10.1016/0375-9474(91)90290-M
Citations: PlumX Metrics

1991JU03      Z.Phys. A338, 365 (1991)

S.Juutinen, S.Tormanen, B.Cederwall, A.Johnson, R.Julin, S.Mitarai, J.Mukai, P.Ahonen, B.Fant, F.Liden, J.Nyberg, I.Ragnarsson

Evidence for Band Termination in ¹¹⁸Xe

NUCLEAR REACTIONS ⁹²Mo(³²S, 2pα), E=145 MeV; measured γγ-coin, sum spectra. ¹¹⁸Xe deduced levels, J, π, band structure.

doi: 10.1007/BF01288202
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1990JU01      Z.Phys. A336, 475 (1990)

S.Juutinen, R.Julin, P.Ahonen, C.Fahlander, J.Hattula, J.Kumpulainen, A.Lampinen, T.Lonnroth, D.Muller, J.Nyberg, A.Pakkanen, M.Piiparinen, I.Thorslund, S.Tormanen, A.Virtanen

High-Spin States in ¹¹⁰Cd

NUCLEAR REACTIONS ⁹⁶Zr(¹⁸O, 4n), E=65, 73 MeV; measured γγ-coin. ¹¹⁰Cd deduced levels, J, π, band structure.

1990LO17      Z.Phys. A337, 11 (1990)

T.Lonnroth, P.Ahonen, R.Julin, S.Juutinen, A.Lampinen, A.Pakkanen, S.Tormanen, W.Trzaska, A.Virtanen

Properties of the (13/2)⁺ Isomeric Decay in ²⁰¹Hg

NUCLEAR REACTIONS ¹⁹⁸Pt(α, n), E=18.1 MeV; measured Eγ, Iγ, γ(t), I(ce). ²⁰¹Hg deduced levels, J, π, isomer decay, ICC, B(λ).

1990TI08      Phys.Rev. C42, 2431 (1990)

P.Tikkanen, J.Keinonen, A.Lampinen, R.Julin, A.Pakkanen, P.Ahonen, J.Hattula, S.Juutinen, S.Tormanen, P.J.Nolan, P.von Brentano, A.Dewald, A.Gelberg, G.Siems, R.Wirowski

Lifetimes of Yrast J(π) = 16⁺-26⁺ States in ¹³⁰Ce

NUCLEAR REACTIONS ⁹⁸Mo(³⁶S, 4n), E=143-150 MeV; measured DSA, γ-lineshapes. ¹³⁰Ce levels deduced T_1/2. Enriched targets.

doi: 10.1103/PhysRevC.42.2431
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