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NSR database version of May 20, 2024.

Search: Author = S.Messelt

Found 33 matches.

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2007LA23      Acta Phys.Pol. B38, 1495 (2007)

A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, S.W.Odegard, J.Rekstad, S.Siem, N.U.H.Syed, A.Schiller, A.Voinov

Radiative Strength Functions of Warm Nuclei in the 1f7/2 Shell

NUCLEAR REACTIONS 51V, 45Sc(3He, αγ), (3He, 3He'γ), E=30, 38 MeV; measured Eγ, Eα, E(3He), (particle)γ-coinc. 50,51V, 44,45Sc deduced level densities and giant resonance strength functions.


2007LA31      Phys.Rev. C 76, 044303 (2007)

A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov

Nuclear level densities and γ-ray strength functions in 44, 45Sc

NUCLEAR REACTIONS 45Sc(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ. 44Sc, 45Sc; deduced level densities, γ-strength functions, parity asymmetry.

doi: 10.1103/PhysRevC.76.044303
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1700.


2006CH14      Phys.Rev. C 73, 034311 (2006)

R.Chankova, A.Schiller, U.Agvaanluvsan, E.Algin, L.A.Bernstein, M.Guttormsen, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, S.Siem, A.C.Larsen, A.Voinov, S.Odegard

Level densities and thermodynamical quantities of heated 93-98Mo isotopes

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced level densities; deduced thermodynamical quantities, phase transition features.

doi: 10.1103/PhysRevC.73.034311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1671.


2006LA12      Phys.Rev. C 73, 064301 (2006)

A.C.Larsen, R.Chankova, M.Guttormsen, F.Ingebretsen, S.Messelt, J.Rekstad, S.Siem, N.U.H.Syed, S.W.Odegard, T.Lonnroth, A.Schiller, A.Voinov

Microcanonical entropies and radiative strength functions of 50, 51V

NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E=30 MeV; measured Eγ, Iγ, (particle)γ-coin. 50,51V deduced level densities, radiative strength functions.

doi: 10.1103/PhysRevC.73.064301
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1699.


2005GU16      Phys.Rev. C 71, 044307 (2005)

M.Guttormsen, R.Chankova, U.Agvaanluvsan, E.Algin, L.A.Bernstein, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.C.Sunde, A.Voinov, S.Odegard

Radiative strength functions in 93-98Mo

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 97,98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced radiative strength functions.

doi: 10.1103/PhysRevC.71.044307
Citations: PlumX Metrics


2005SU07      Acta Phys.Pol. B36, 1197 (2005)

A.C.Sunde, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov, S.W.Odegard

Thermal and electromagnetic properties of the light vanadium isotopes 50, 51V

NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E not given; measured Eγ, Iγ. 50,51V deduced radiative strength functions, thermodynamic properties.


2001HE39      Appl.Radiat.Isot. 54, 839 (2001)

G.Henriksen, S.Messelt, E.Olsen, R.H.Larsen

Optimisation of cyclotron production parameters for the 209Bi(α, 2n) 211At reaction related to biomedical use of 211At

NUCLEAR REACTIONS 209Bi(α, 2n), (α, 3n), E=27.6-30.1 MeV; measured yields. comparison with previous results.

doi: 10.1016/S0969-8043(00)00346-8
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0167.


2001SC02      Phys.Rev. C63, 021306 (2001)

A.Schiller, A.Bjerve, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, E.Melby, S.Messelt, J.Rekstad, S.Siem, S.W.Odegard

Critical Temperature for Quenching of Pair Correlations

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, X), E=45 MeV; measured Eα, Eγ, αγ-coin. 161,162Dy, 171,172Yb deduced level density and heat capacity vs excitation energy, critical temperature for phase-transition.

doi: 10.1103/PhysRevC.63.021306
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1670.


2000ME25      Phys.Scr. T88, 138 (2000)

E.Melby, L.Bergholt, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, S.Messelt, J.Rekstad, A.Schiller, S.Siem, S.W.Odegard

Experimental Temperature and Heat Capacity in Rare Earth Nuclei

NUCLEAR REACTIONS 163Dy, 167Er, 173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, αγ-coin. 162Dy, 166Er, 172Yb deduced level densities, temperature vs excitation energy, heat capacities.

doi: 10.1238/Physica.Topical.088a00138
Citations: PlumX Metrics


2000SC33      Phys.Scr. T88, 144 (2000)

A.Schiller, L.Bergholt, M.Guttormsen, E.Melby, S.Messelt, J.Rekstad, S.Siem

Level Densities and γ-Strength Functions in Rare Earth Nuclei

NUCLEAR REACTIONS 162Dy(3He, 3He'), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 162Dy deduced level density and temperature vs excitation energy, pygmy resonance strength vs temperature.

doi: 10.1238/Physica.Topical.088a00144
Citations: PlumX Metrics


1999GR28      Eur.Phys.J. A 6, 269 (1999)

P.T.Greenlees, P.Kuusiniemi, N.Amzal, A.Andreyev, P.A.Butler, K.J.Cann, J.F.C.Cocks, O.Dorvaux, T.Enqvist, P.Fallon, B.Gall, M.Guttormsen, D.Hawcroft, K.Helariutta, F.P.Hessberger, F.Hoellinger, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, M.Leino, S.Messelt, M.Muikku, S.Odegard, R.D.Page, A.Savelius, A.Schiller, S.Siem, W.H.Trzaska, T.Tveter, J.Uusitalo

Fine Structure in the Alpha Decays of 226U and 230Pu

RADIOACTIVITY 226U(α) [from 208Pb(22Ne, 4n)]; 230Pu(α) [from 208Pb(26Mg, 4n)]; measured Eα, Iα, T1/2; deduced branching ratios, hindrance factors. 226U deduced level energy, deformation. Comparisons with neighboring nuclides.

doi: 10.1007/s100500050345
Citations: PlumX Metrics


1999ME23      Phys.Rev.Lett. 83, 3150 (1999)

E.Melby, L.Bergholt, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, S.Messelt, J.Rekstad, A.Schiller, S.Siem, S.W.Odegard

Observation of Thermodynamical Properties in the 162Dy, 166Er, and 172Yb Nuclei

NUCLEAR REACTIONS 163Dy, 167Er, 173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, αγ-coin. 162Dy, 166Er, 172Yb deduced level densities, heat capacities, related thermodynamic properties.

doi: 10.1103/PhysRevLett.83.3150
Citations: PlumX Metrics


1998GR19      J.Phys.(London) G24, L63 (1998)

P.T.Greenlees, N.Amzal, P.A.Butler, K.J.Cann, J.F.C.Cocks, D.Hawcroft, G.D.Jones, R.D.Page, A.Andreev, T.Enqvist, P.Fallon, B.Gall, M.Guttormsen, K.Helariutta, F.Hoellinger, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, S.Messelt, M.Muikku, A.Savelius, A.Schiller, S.Siem, W.H.Trzaska, T.Tveter, J.Uusitalo

First Observation of Excited States in 226U

NUCLEAR REACTIONS 208Pb(22Ne, 4n), E=112 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. 226U deduced levels, J, π, rotational bands, E1 transitions, octupole deformation. Recoil-decay tagging technique.

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


1994GU04      Nucl.Phys. A573, 130 (1994)

M.Guttormsen, L.Bergholt, F.Ingebretsen, G.Lovhoiden, S.Messelt, J.Rekstad, T.S.Tveter, H.Helstrup, T.F.Thorsteinsen

The (3He, α) Reaction Mechanism: A study of the angular momentum transfer

NUCLEAR REACTIONS 163Dy(3He, αxn), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 162,160,158Dy deduced γ-ray side-feeding into ground-band states. Enriched target, Ge, Na, Si detectors.

doi: 10.1016/0375-9474(94)90017-5
Citations: PlumX Metrics


1992AN15      Nucl.Phys. A550, 235 (1992)

E.Andersen, H.Helstrup, G.Lovhoiden, T.F.Thorsteinsen, M.Guttormsen, S.Messelt, T.S.Tveter, M.A.Hofstee, J.M.Schippers, S.Y.van der Werf

Helium-Induced One-Neutron Transfer to Levels in 162Dy

NUCLEAR REACTIONS 161Dy(α, 3He), 163Dy(3He, α), E=50 MeV; measured E(3He), Eα, σ(θ). 162Dy deduced levels, J, π. Nilsson model.

doi: 10.1016/0375-9474(92)90681-9
Citations: PlumX Metrics


1991GU04      Nucl.Phys. A531, 370 (1991)

M.Guttormsen, A.Atac, K.Klungland, S.Messelt, T.Ramsoy, J.Rekstad, T.S.Tveter, Z.Zelazny

Gross Properties of Statistical γ-Decay in 172Yb

NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 172Yb deduced γ-ray multiplicity, statistical γ-decay features. Enriched target, Ge, NaI, Si detectors.

doi: 10.1016/0375-9474(91)90617-F
Citations: PlumX Metrics


1990GU14      Phys.Scr. T32, 54 (1990)

M.Guttormsen, A.Atac, G.Lovhoiden, S.Messelt, T.Ramsoy, J.Rekstad, T.F.Thorsteinsen, T.S.Tveter, Z.Zelazny

Statistical Gamma-Decay at Low Angular Momentum

NUCLEAR REACTIONS 170Yb, 162Dy(3He, 3He'), 173Yb, 162Dy(3He, α), E=45 MeV; measured γ(ejectile)-coin; deduced γ-emission mechanism.

doi: 10.1088/0031-8949/1990/T32/010
Citations: PlumX Metrics


1989HO13      Nucl.Phys. A496, 462 (1989)

J.Honkanen, V.Koponen, P.Taskinen, J.Aysto, K.Eskola, S.Messelt, K.Ogawa

Beta Strength to Excited States in the Decays of f7/2 Mirror Nuclides

RADIOACTIVITY 49Mn(β+) [from 50Cr(p, 2n)]; 51Fe(β+) [from 50Cr(3He, 2n)]; 53Co(β+) [from 54Fe(p, 2n)]; measured Eγ, Iγ, T1/2; deduced log ft. 49Cr, 51Mn, 53Fe deduced levels, J, π, Gamow-Teller matrix elements, B(λ). Ge, Si(Au), plastic detectors, He jet, on-line mass separation. Shell-model calculations.

doi: 10.1016/0375-9474(89)90071-7
Citations: PlumX Metrics


1987AT01      Nucl.Phys. A472, 269 (1987)

A.Atac, J.Rekstad, M.Guttormsen, S.Messelt, T.Ramsoy, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

The Decay of Hot Dysprosium Nuclei

NUCLEAR REACTIONS 162,163Dy(3He, xnα), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 162,161,160,159,158Dy deduced γ-multiplicity, neutron energy, α-spectra. Enriched targets, Ge, NaI, Si detectors. Fermi-gas model analysis.

doi: 10.1016/0375-9474(87)90210-7
Citations: PlumX Metrics


1986GU03      Phys.Scr. 33, 385 (1986)

M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, J.B.Olsen, T.Ramsoy, J.Rekstad, L.A.Ronning, G.Lovhoiden, T.Rodland, T.F.Thorsteinsen

Statistical γ-Decay in s-d Shell Nuclei

NUCLEAR REACTIONS 27Al(3He, α), (3He, 3He'), (3He, t), E=45 MeV; measured σ(Eα), σ(E(3He')), σ(Et), γ(particle)-coin. 26,27Al, 27Si deduced γ-multiplicity. Fermi gas model.

doi: 10.1088/0031-8949/33/5/001
Citations: PlumX Metrics


1986RE18      Phys.Scr. 34, 644 (1986)

J.Rekstad, M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, T.Ramsoy, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

Structure and Decay Properties of Low-Spin States at High Excitation Energy

NUCLEAR REACTIONS 161,163Dy(d, t), E=15 MeV; measured σ(Et), Eγ, Iγ, γγ-coin. 160,162Dy deduced levels, decay characteristics. Other data input, ΔE-E telescopes, Ge, NaI detectors.

doi: 10.1088/0031-8949/34/6A/020
Citations: PlumX Metrics


1984RE04      Nucl.Phys. A417, 376 (1984)

J.Rekstad, B.Nordmoen, A.Henriques, F.Ingebretsen, S.Messelt, T.F.Thorsteinsen, E.Hammaren

The (3He, α) Strength Functions in Rare-Earth Nuclei

NUCLEAR REACTIONS 156,157Gd, 171Yb(3He, α), E=26 MeV; measured σ(Eα, θ), αγ-coin. 155,156Gd, 170Yb levels deduced L, J, π, S. Enriched targets. DWBA calculations. Comparison to particle-plus-rotor model.

doi: 10.1016/0375-9474(84)90403-2
Citations: PlumX Metrics


1983AY01      Nucl.Phys. A404, 1 (1983)

J.Aysto, J.Honkanen, W.Trzaska, K.Eskola, K.Vierinen, S.Messelt

Features of the β-Decay of 93mRu to Proton Emitting States in 93Tc

RADIOACTIVITY 93mRu(β+p) [from 92Mo(3He, 2n), E=24 MeV]; measured β-delayed Ep, Ip, Eγ, Iγ, T1/2, β-endpoint energy; deduced Q(EC), log ft, β-strength function. 93Tc deduced proton decaying level J, π, level density.

NUCLEAR REACTIONS 92Mo(p, γ), E=2.2-2.7 MeV; measured thick target γ-yield, Eγ, Iγ, proton binding energy.

doi: 10.1016/0375-9474(83)90410-4
Citations: PlumX Metrics


1983AY02      Phys.Scr. T5, 193 (1983)

J.Aysto, P.Taskinen, K.Eskola, K.Vierinen, S.Messelt

Studies of Weak Beta-Delayed Protons Emitted in the Decay of Odd-Z, T(z) = -(3/2) Nuclei

RADIOACTIVITY 27P(β+p) [from 28Si(p, 2n), E=34 MeV; 27Al(3He, 3n), E=44 MeV]; 31Cl(β+p) [from 32S(p, 2n), E=34 MeV]; measured β-delayed Ep, Ip. 27P deduced total delayed proton branching. 37Cl deduced T1/2, total delayed proton branching.


1982AY01      Phys.Lett. 110B, 437 (1982)

J.Aysto, J.Honkanen, K.Vierinen, A.Hautojarvi, K.Eskola, S.Messelt

Observation of Beta-Delayed Protons in the Decay of 31Cl

RADIOACTIVITY 31Cl [from 32S(p, 2n), E=33 MeV]; measured β-delayed Ep, Ip, Eα, Iα; deduced T1/2, log ft. 31S deduced level, possible J, π. Helium jet system, ZnS targets.

doi: 10.1016/0370-2693(82)91033-4
Citations: PlumX Metrics


1982RE16      Phys.Lett. 117B, 384 (1982)

J.Rekstad, A.Henriquez, F.Ingebretsen, G.Midttun, B.Skaali, R.Oyan, R.Haugland, S.Messelt, T.F.Thorsteinsen, G.Lovhoiden, L.P.Ekstrom

The Variation in γ-Ray Multiplicity with Nuclear Temperature Studied in 160Dy

NUCLEAR REACTIONS 161Dy(3He, α), E=26 MeV; measured σ(Eα), αγ-coin, γ multiplicity. 160Dy deduced level density parameter.

doi: 10.1016/0370-2693(82)90564-0
Citations: PlumX Metrics


1981HJ01      Z.Phys. A301, 35 (1981)

S.A.Hjorth, A.Johnson, A.Kerek, W.Klamra, Th.Lindblad, S.Messelt, C.Pomar, W.Walus, O.Skeppstedt, Z.Sujkowski, A.Zglinski, L.Carlen, H.Ryde, M.Piiparinen

On the Decay of Compound Nuclei following Alpha-Particle and 12C Induced Reactions

NUCLEAR REACTIONS 192Os, 122Te, 166Er(α, 3n), (α, 4n), (α, 5n), E=51-55 MeV; 176Yb, 164Dy (12C, 8n), (12C, 6nα), 160Gd, 164Dy(12C, 6n), (12C, 7n), 160Gd(12C, 8n), E=118 MeV; measured Eγ, Iγ, γγ-coin; deduced average multiplicity, average side feeding multiplicity, multiplicity distribution second moment. 180Os, 170,169,168Hf, 166Yb, 192Pt, 122Xe deduced spin distribution, decay mechanism. Statistical model calculations. Ge(Li), NaI(Tl) detectors.

doi: 10.1007/BF01412461
Citations: PlumX Metrics


1970ME30      Phys.Norv. 4, 191 (1970)

S.Messelt

Elastic and Inelastic Scattering of 7 to 11 MeV Protons from 14N

NUCLEAR REACTIONS 14N(p, p), (p, p'), E=7-11 MeV; measured σ(E;θ); deduced optical model parameters. 14N(p, α), (p, 3He), E=7-11 MeV; measured σ(E;θ). 15O deduced resonances, J.


1969JO09      Phys.Rev. 178, 1663 (1969)

J.Jobst, S.Messelt, H.T.Richards

Isospin-Forbidden 16O(d, α1)14N Reaction

NUCLEAR REACTIONS 16O(d, α)14N, E=3-15 MeV; measured σ(E;θ). 18F deduced resonances, J, π.

doi: 10.1103/PhysRev.178.1663
Citations: PlumX Metrics


1966KN01      Phys.Rev. 148, 1031 (1966); Erratum Phys.Rev. 165, 1390 (1968)

D.J.Knecht, P.F.Dahl, S.Messelt

Proton-Proton Scattering: Revision and Analysis of Experimental Measurements from 1.4 to 3.0 MeV

NUCLEAR STRUCTURE 1H; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.148.1031
Citations: PlumX Metrics


1963ME12      Nucl.Phys. 48, 512 (1963)

S.Messelt

Neutron Spectra from Breakup of Deuterons by 14.7 MeV Neutrons

NUCLEAR STRUCTURE 2H; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90188-3
Citations: PlumX Metrics


1959KN50      Phys.Rev. 114, 550 (1959)

D.J.Knecht, S.Messelt, E.D.Berners, L.C.Northcliffe

Proton-Proton Scattering from 1.4 to 2.4 MeV

doi: 10.1103/PhysRev.114.550
Citations: PlumX Metrics


1958KN51      Bull.Am.Phys.Soc. 3, No.3, 203, R1 (1958)

D.J.Knecht, S.Messelt, E.D.Berners, L.C.Northcliffe

Proton-Proton Scattering at 1855 keV


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