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NSR database version of April 27, 2024.

Search: Author = A.Luukko

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1982HA44      Phys.Scr. 26, 205 (1982)

J.Hattula, H.Helppi, A.Luukko

In-Beam Study of ^122,124,126Xe

NUCLEAR REACTIONS ^122,124,126Te(³He, 3n), E=20-27 MeV; measured Eγ, Iγ, I(ce), γ(θ), σ(Eγ) vs E, γγ-coin. ^122,124,126Xe deduced levels, J, π, ICC, δ, γ-branching, band structure. ¹²⁶Xe deduced isomer J, π, T_1/2.

doi: 10.1088/0031-8949/26/3/011
Citations: PlumX Metrics

1981DO05      J.Phys.(London) G7, 1379 (1981)

F.Donau, J.Hattula, H.Helppi, A.Luukko, M.Jaaskelainen

How to Describe Low-Lying Bands in Odd-A Transitional Xenon Nuclei

NUCLEAR STRUCTURE ^{123,125,127,129}Xe; calculated levels, band structure. Core-quasiparticle model.

doi: 10.1088/0305-4616/7/10/015
Citations: PlumX Metrics

1981HE04      Nucl.Phys. A357, 333 (1981)

H.Helppi, J.Hattula, A.Luukko, M.Jaaskelainen, F.Donau

In-Beam Study of ^127,129Xe and Collective Description of the Level Structures in Odd-A Xe Nuclei

NUCLEAR REACTIONS ¹²⁶Te(³He, 2n), ^128,130Te(³He, 4n), E=20-27 MeV; ¹²⁶Te(α, n), E=18 MeV; measured Eγ, Iγ(θ), γγ-coin, γ(t), I(ce). ^127,129Xe deduced levels, J, π, T_1/2, ICC, δ(E2/M1). Enriched targets.

NUCLEAR STRUCTURE ^{123,125,127,129}Xe; calculated levels, band structure. Triaxial rotor, core plus quasiparticle model calculations.

doi: 10.1016/0375-9474(81)90225-6
Citations: PlumX Metrics

1981LU01      Nucl.Phys. A357, 319 (1981)

A.Luukko, J.Hattula, H.Helppi, O.Knuuttila, F.Donau

Level Structure in ¹²³Xe

NUCLEAR REACTIONS ¹²²Te(³He, 2n), ¹²³Te(³He, 3n), E=14-27 MeV; measured Eγ, Iγ(θ), γγ-coin, γ(t), I(ce). ¹²³Xe deduced levels, J, π, T_1/2, ICC, δ(E2/M1). Enriched targets.

doi: 10.1016/0375-9474(81)90224-4
Citations: PlumX Metrics

1979HE15      Nucl.Phys. A332, 183 (1979)

H.Helppi, J.Hattula, A.Luukko

Even- and Odd-Parity Band Structures in ¹²⁵Xe

NUCLEAR REACTIONS ¹²⁵Te(³He, 3nγ), E=20-27 MeV; measured Eγ, Iγ(θ), γγ-coin, γ(t). ¹²⁵Xe deduced levels, J, π, T_1/2. Enriched target.

doi: 10.1016/0375-9474(79)90103-9
Citations: PlumX Metrics

1972LU04      Phys.Scr. 5, 63 (1972)

A.Luukko, S.Penttinen, A.Anttila, M.Bister

Lifetimes of Energy Levels in ³⁰P

NUCLEAR REACTIONS ²⁹Si(p, γ), E=1.47-1.75 MeV; measured DSA. ³⁰P levels deduced T_1/2.

doi: 10.1088/0031-8949/5/1-2/010
Citations: PlumX Metrics

1971KE13      Nucl.Phys. A172, 603 (1971)

A.Kerek, A.Luukko, M.Grecescu, J.Sztarkier

Two- and Tree-Quasiparticle States in ¹³²Xe and ¹³¹Xe

NUCLEAR REACTIONS ¹³⁰Te(α, 2nγ), (α, 3nγ), E= 26-39 MeV; measured σ(E; Eγ, θ(γ)), γγ-coin, αγ-delay. ^131,132Xe deduced levels, J, π, T_1/2.

doi: 10.1016/0375-9474(71)90047-9
Citations: PlumX Metrics

1970HO13      Acta Phys.Polon. B1, 59 (1970)

P.Holmberg, A.Kiuru, A.Luukko

Gamma-Rays Following the Decay of ⁶⁵Ga

RADIOACTIVITY ⁶⁵Ga; measured Eγ, Iγ; deduced log ft. ⁶⁵Zn deduced levels, J, π.

1970KE01      Phys.Lett. 31B, 10 (1970)

A.Kerek, C.J.Herrlander, A.Luukko, M.Grecescu

A 9/2^- Isomeric State in ¹²³Xe

NUCLEAR REACTIONS ¹²²Te(α, 3n), E=43 MeV; measured Eγ, Iγ, αγ-delay. ¹²³Xe deduced isomeric state J, π, T_1/2. Ge(Li) detector.

doi: 10.1016/0370-2693(70)90005-5
Citations: PlumX Metrics

1970LU11      Commentat.Phys.-Math. 38, 115 (1970)

A.Luukko, P.Holmberg, A.Kiuru

Proton Induced Reactions on ²³Na at E = 1000-1800 keV

NUCLEAR REACTIONS ²³Na(p, p'), (p, α), (p, γ), E=1.0-1.8 MeV; measured σ(E). ²³Na(p, α₀) measured σ(θ). ²⁴Mg deduced resonances, J, π, level-width.

1970LU14      Z.Phys. 239, 429 (1970)

A.Luukko, P.Paukku, S.Penttinen

Levels in ⁵⁵Fe from the Decay of ⁵⁵Co

RADIOACTIVITY ⁵⁵Co; measured Eγ, Iγ, γγ-coin; deduced log ft. ⁵⁵Fe deduced levels, J, π.

doi: 10.1007/BF01401198
Citations: PlumX Metrics

1970LU17      Phys.Scr. 2, 159 (1970)

A.Luukko, A.Anttila, M.Bister, M.Piiparinen

Energy Levels of ²⁴Mg from the ²³Na(p, α₀)²⁰Ne Reaction

NUCLEAR REACTIONS ²³Na(p, α), E=590-1810 keV; measured σ(E;Eα, θ). ²⁴Mg deduced resonances, J, π, level-width.

doi: 10.1088/0031-8949/2/4-5/006
Citations: PlumX Metrics

1970RE01      Nucl.Phys. A141, 130 (1970)

I.Rezanka, A.Kerek, A.Luukko, C.J.Herrlander

High-Spin States in Odd Xe Nuclei

NUCLEAR REACTIONS ^124,126,128Te(α, 3nγ), E=28-43 MeV; measured σ(Eγ, θ), σ(E;Eγ), αγ-delay. ^125,127,129Xe deduced levels, J, π, γ-mixing. Enriched targets.

doi: 10.1016/0375-9474(70)90299-X
Citations: PlumX Metrics

1969BE04      Nucl.Phys. A123, 99 (1969)

I.Bergstrom, C.J.Herrlander, A.Kerek, A.Luukko

Excited Nuclear Levels in Doubly Even Xe Isotopes Populated in (α, 2n) Reactions

NUCLEAR REACTIONS Sn, Te(α, 2nγ), E=28 MeV; measured σ(Eγ, θ). ^{118,120,122,124,126}Te, ^{124,126,128,130,132}Xe deduced levels, J, π. Enriched targets.

doi: 10.1016/0375-9474(69)90892-6
Citations: PlumX Metrics

1969LU05      Nucl.Phys. A135, 49 (1969)

A.Luukko, A.Kerek, I.Rezanka, C.J.Herrlander

Levels in Doubly Even Tellurium Isotopes ^114,116,118Te Populated in (α, 2n) Reactions

NUCLEAR REACTIONS ^112,114,116Sn(α, 2nγ), Eα = 28.9, 33.5, 39.1, 43.0 MeV; measured σ(Eγ, θ). ^114,116,118Te deduced levels, J, π. Enriched targets.

doi: 10.1016/0375-9474(69)90146-8
Citations: PlumX Metrics

1968BI12      Ann.Acad.Sci.Fennicae, Ser.A VI, No.285(1968)

M.Bister, A.Luukko, A.Anttila

Investigation of the ²⁷Al(p, α₀)²⁴Mg Reaction at Proton Energies 1180-1920 keV

NUCLEAR REACTIONS ²⁷Al(p, α), (p, γ), E = 1.18-1.92 MeV; measured σ(E;θ). ²⁸Si deduced resonances, J, π, level-width, L.

1968HO26      Soc.Sci.Fennica, Commentationes Phy.Math. 34, 1 (1968)

P.Holmberg, A.Luukko

Gamma-Gamma Angular Correlations in ¹³⁰Xe

RADIOACTIVITY ¹³⁰I; measured Eγ, Iγ, γγ(θ); deduced log ft. ¹³⁰Xe deduced levels, J, π, γ-mixing ratios.

1968HO27      Soc.Sci.Fennica, Commentationes Phy.Math. 34, 25 (1968)

P.Holmberg, A.Luukko

Branching Ratios for Excited States in ²⁵Al

NUCLEAR REACTIONS ²⁴Mg(p, γ), E=0.8-2.1 MeV; measured σ(E;Eγ). ²⁵Al levels deduced branching ratios.

1968LU13      Soc.Sci.Fennica, Commentationes Phy. Math 33, No.12 (1968)

A.Luukko, P.Holmberg

Nuclear Levels in ⁸⁸Sr from the Decay of ⁸⁸Rb and ⁸⁸Y

RADIOACTIVITY ⁸⁸Rb, ⁸⁸Y; measured Eγ, Iγ, γγ-coin, γγ(θ); ⁸⁸Rb deduced log ft. ⁸⁸Sr deduced levels, J, π, γ-mixing. Ge(Li) detector.

1968LU15      Soc.Sci.Fennica, Commentationes Phy.Math. 34, 31 (1968)

A.Luukko, P.Holmberg

Decay of 81s ⁵⁹Cu

RADIOACTIVITY ⁵⁹Cu; measured Eγ, Iγ; deduced log ft, Eβ. ⁵⁹Ni deduced levels, J, π.

1967HO24      Commentat.Phys.-Math. 33, 1 (1967)

P.Holmberg, A.Luukko

Decay of ¹²⁸I

RADIOACTIVITY ¹²⁸I; measured Eγ, Iγ, γγ(θ); deduced log ft. ¹²⁸Xe levels deduced transitions, δ, J, π. ¹²⁸Te deduced transition.

1967LU08      Ann.Acad.Sci.Fennicae, Ser.A VI, No.249 (1967)

A.Luukko

Proton Bombardment of the ⁴¹K Isotope at E = 1400-1750 keV

NUCLEAR STRUCTURE ⁴²Ca; measured not abstracted; deduced nuclear properties.

1965LU05      Soc.Sci.Fennica, Commentationes Phy.Math. 31, No.6 (1965)

A.Luukko

Nuclear Resonant Absorption of Gamma Rays in ¹⁴N and ²⁸Si

NUCLEAR STRUCTURE ¹⁴N, ²⁸Si; measured not abstracted; deduced nuclear properties.