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NSR database version of May 24, 2024.

Search: Author = A.Schiller

Found 93 matches.

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2013LA03      Phys.Rev. C 87, 014319 (2013)

A.C.Larsen, I.E.Ruud, A.Burger, S.Goriely, M.Guttormsen, A.Gorgen, T.W.Hagen, S.Harissopulos, H.T.Nyhus, T.Renstrom, A.Schiller, S.Siem, G.M.Tveten, A.Voinov, M.Wiedeking

Transitional γ strength in Cd isotopes

NUCLEAR REACTIONS 106,112Cd(3He, α), (3He, 3He'), E=38 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi and CACTUS arrays at Oslo Cyclotron Laboratory. 105,106,111,112Cd; deduced level densities, γ-ray strength function. Comparisons with GLO model calculations, and with results of photonuclear reactions. Pygmy resonances. Effect of neutron skin oscillations or the spin-flip resonance.

doi: 10.1103/PhysRevC.87.014319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2148.


2013LA09      Acta Phys.Pol. B44, 563 (2013)

A.C.Larsen, A.Burger, S.Goriely, M.Guttormsen, A.Gorgen, T.K.Eriksen, T.W.Hagen, S.Harissopulos, H.T.Nyhus, T.Renstrom, S.Rose, I.E.Ruud, A.Schiller, S.Siem, G.M.Tveten, A.Voinov

Astrophysical Reaction Rates and the Low-energy Enhancement in the γ Strength

COMPILATION 95Mo, Ti, Sc, V, Fe, Mo, Cd; compiled γ-strength functions.

doi: 10.5506/APhysPolB.44.563
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2013RA32      Phys.Rev. C 88, 064324 (2013)

A.P.D.Ramirez, A.V.Voinov, S.M.Grimes, A.Schiller, C.R.Brune, T.N.Massey, A.Salas-Bacci

Nuclear level densities of 64, 66Zn from neutron evaporation

NUCLEAR REACTIONS 63Cu(d, n)64Zn, 65Cu(d, n)66Zn, E=6, 7.5 MeV; measured E(n), I(n), n(θ), σ(E, θ) using TOF technique at Edwards accelerator facility, Ohio University. Analysis by exciton model of nuclear reactions. Comparison with Hauser-Feshbach model calculations using EMPIRE and TALYS computer codes. Tested Fermi gas model, Gilber-Cameron model, and microscopic combinatorial approach with Hartree-Fock-Bogoliubov method (HFBM). 64,66Zn; deduced level densities versus the excitation energy.

doi: 10.1103/PhysRevC.88.064324
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2087.


2013TH04      Acta Phys.Pol. B44, 543 (2013)

M.Thoennessen, Z.Kohley, A.Spyrou, E.Lunderberg, P.A.DeYoung, H.Attanayake, T.Baumann, D.Bazin, B.A.Brown, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.Strongman, A.Volya

Observation of Ground-state Two-neutron Decay

RADIOACTIVITY 16Be, 26O(2n); measured decay products, En, In; deduced decay energy spectra. Comparison with calculated two-neutron separation energies, T1/2, widths.

doi: 10.5506/APhysPolB.44.543
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2012LA02      Phys.Rev. C 85, 014320 (2012)

A.C.Larsen, S.Goriely, A.Burger, M.Guttormsen, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov

Primary γ-ray spectra in 44Ti of astrophysical interest

NUCLEAR REACTIONS 46Ti(p, t), E=32 MeV; measured particle spectra, Eγ, Iγ, γγ-, (particle)γ-coin, primary continuum γ spectra 44Ti; deduced levels, J, π, radiative strength function, level density, average radiative width by applying the Oslo method. 46,48Ti; deduced levels, J, π. 40Ca(α, γ)44Ti; analyzed cross sections of astrophysical interest using TALYS code. Comparison with generalized Lorentzian (GLO) and previous studies.

doi: 10.1103/PhysRevC.85.014320
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2012LU07      Phys.Rev.Lett. 108, 142503 (2012)

E.Lunderberg, P.A.DeYoung, Z.Kohley, H.Attanayake, T.Baumann, D.Bazin, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, A.Schiller, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Evidence for the Ground-State Resonance of 26O

RADIOACTIVITY 26O(2n) [from Be(27F, p)26O, E=82 MeV/nucleon];measured decay products, En, In. 26O; deduced decay energy spectrum, evidence for the ground state or resonance in neutron unbound nucleus, T1/2 limit. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.108.142503
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1923. Data from this article have been entered in the XUNDL database. For more information, click here.


2012SP01      Phys.Rev.Lett. 108, 102501 (2012)

A.Spyrou, Z.Kohley, T.Baumann, D.Bazin, B.A.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, E.Lunderberg, S.Mosby, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.J.Strongman, M.Thoennessen, A.Volya

First Observation of Ground State Dineutron Decay: 16Be

RADIOACTIVITY 16Be(2n) [from Be(17B, p), E=53 MeV/nucleon]; measured decay products, En, In; deduced two-neutron separation energy.

doi: 10.1103/PhysRevLett.108.102501
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2011FR13      Phys.Rev. C 84, 037302 (2011)

N.Frank, D.Albertson, J.Bailey, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, M.Kasperczyk, B.Luther, W.A.Peters, A.Schiller, A.Smith, M.Thoennessen, J.A.Tostevin

Neutron-unbound states in 25, 26F

NUCLEAR REACTIONS 9Be(26Ne, 25F), (26Ne, 26F), E=86 MeV/nucleon; measured E(n), I(n) at NSCL. 25,26F; deduced levels, J, π, widths, resonances. 25F; calculated levels, J, π using shell-model.

doi: 10.1103/PhysRevC.84.037302
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2011GU02      Phys.Rev. C 83, 014312 (2011)

M.Guttormsen, A.C.Larsen, A.Burger, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, M.Krticka, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov

Fermi?s golden rule applied to the γ decay in the quasicontinuum of 46Ti

NUCLEAR REACTIONS 46Ti(p, p'), E=15 MeV; measured Ep, Ip, pγ-coin, excitation functions; deduced level density and radiative strength function (RSF) using Oslo method. Fermi?s golden rule employed to disentangle the γ strength and level density in the γ decay between states in the quasicontinuum of 46Ti.

doi: 10.1103/PhysRevC.83.014312
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2011HO05      Phys.Rev. C 83, 031303 (2011)

C.R.Hoffman, T.Baumann, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, J.D.Hinnefeld, S.Mosby, W.A.Peters, W.F.Rogers, A.Schiller, J.Snyder, A.Spyrou, S.L.Tabor, M.Thoennessen

Observation of a two-neutron cascade from a resonance in 24O

NUCLEAR REACTIONS 9Be(26F, nn), E=85 MeV/nucleon; measured neutron spectra using MoNA array, neutron resonance decay energy, neutron-neutron-fragment, neutron-fragment energies, TOF, 22O-nn coin. 24O; deduced level, two-neutron cascade from the resonance in 24O to 22O. 22,23O; deduced levels. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.83.031303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011LA05      Phys.Rev. C 83, 034315 (2011); Erratum Phys.Rev. C 97, 094901 (2018)

A.C.Larsen, M.Guttormsen, M.Krticka, E.Betak, A.Burger, A.Gorgen, H.T.Nyhus, J.Rekstad, A.Schiller, S.Siem, H.K.Toft, G.M.Tveten, A.V.Voinov, K.Wikan

Analysis of possible systematic errors in the Oslo method

NUCLEAR REACTIONS 50V, 117Sn, 160,164Dy(3He, α), E not given; 50V, 160,162,164Dy(3He, 3He'), E not given; 46Ti(p, p'), E=15-32 MeV; analyzed previous experimental data and simulated data for particle and γ spectra, (particle)γ-coin, γ-ray transmission coefficients and strength functions, level densities. 56,57,58Fe, 96,97,98Mo(3He, 3He'); analyzed first generation matrix, parity distributions. Analysis of systematic errors in Oslo method for the simultaneous extraction of the level density and γ-ray transmission coefficient from (particle)γ-coincidence data.

doi: 10.1103/PhysRevC.83.034315
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2011PE13      Phys.Rev. C 83, 057304 (2011)

W.A.Peters, T.Baumann, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, K.L.Jones, J.-L.Lecouey, B.Luther, G.F.Peaslee, W.F.Rogers, A.Schiller, M.Thoennessen, J.A.Tostevin, K.Yoneda

Neutron knockout of 12Be populating neutron-unbound states in 11Be

NUCLEAR REACTIONS 9Be(12Be, n), E=90 MeV/nucleon, [12Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured E(n), I(n) by TOF using MONA array, n(10Be) coin. 11Be; deduced levels, J, π, resonances, σ, spectroscopic factor. 10Be; deduced levels from neutron decay of unbound resonances. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.83.057304
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011SP01      Phys.Rev. C 84, 044309 (2011)

A.Spyrou, J.K.Smith, T.Baumann, B.A.Brown, J.Brown, G.Christian, P.A.DeYoung, N.Frank, S.Mosby, W.A.Peters, A.Schiller, M.J.Strongman, M.Thoennessen, J.A.Tostevin

Search for the 15Be ground state

NUCLEAR REACTIONS 9Be(17C, 2p), E=55 MeV/nucleon, [17C secondary beam from 9Be(22Ne, X) primary reaction]; measured energy loss, time of flight, magnetic rigidity, Be fragment spectra and (Be)(n)-coin. 15Be; deduced g.s., J, π, decay mode, unbound energy. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.84.044309
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2010SP02      Phys.Lett. B 683, 129 (2010)

A.Spyrou, T.Baumann, D.Bazin, G.Blanchon, A.Bonaccorso, E.Breitbach, J.Brown, G.Christian, A.DeLine, P.A.DeYoung, J.E.Finck, N.Frank, S.Mosby, W.A.Peters, A.Russel, A.Schiller, M.J.Strongman, M.Thoennessen

First evidence for a virtual 18B ground state

NUCLEAR REACTIONS Be(19C, pX)18B, E=62 MeV/nucleon; Be(17C, pX)16B, E=55 MeV/nucleon; measured decay energy spectra, (fragment)(neutron)-coin using time of flight technique with Modular Neutron Array (MoNA). 16B; deduced ground state energies. 17B; deduced level energies, J, π. 18B; calculated level energies, J, π. Comparison with shell model calculations using WBP interaction and other data. Secondary radioactive beam.

doi: 10.1016/j.physletb.2009.12.016
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2010TO06      Phys.Rev. C 81, 064311 (2010)

H.K.Toft, A.C.Larsen, U.Agvaanluvsan, A.Burger, M.Guttormsen, G.E.Mitchell, H.T.Nyhus, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov

Level densities and γ-ray strength functions in Sn isotopes

NUCLEAR REACTIONS 119Sn(3He, 3He), (3He, α), E=38 MeV; measured Eγ, particle-γ coin. 118,119Sn; deduced γ-ray strength functions, level densities, parity asymmetry functions, collective enhancement factors, and spin distributions. Oslo method. Combinatorial BCS model.

doi: 10.1103/PhysRevC.81.064311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1852.


2010VO01      Phys.Rev. C 81, 024319 (2010)

A.Voinov, S.M.Grimes, C.R.Brune, M.Guttormsen, A.C.Larsen, T.N.Massey, A.Schiller, S.Siem

γ-strength functions in 60Ni from two-step cascades following proton capture

NUCLEAR REACTIONS 59Co(p, 2γ), E=1.85 MeV; measured Eγ; analyzed two-step γ cascades populating 2+ state; deduced E1 and M1 γ-strength functions. Comparison with other studies.

doi: 10.1103/PhysRevC.81.024319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1783.


2009AG01      Phys.Rev. C 79, 014320 (2009)

U.Agvaanluvsan, A.C.Larsen, M.Guttormsen, R.Chankova, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov

Evidence for the pair-breaking process in 116, 117Sn

NUCLEAR REACTIONS 117Sn(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin. 116,117Sn; deduced excitation energies, entropies, level densities, microcanonical temperatures.

doi: 10.1103/PhysRevC.79.014320
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2009AG03      Phys.Rev.Lett. 102, 162504 (2009)

U.Agvaanluvsan, A.C.Larsen, R.Chankova, M.Guttormsen, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov

Enhanced Radiative Strength in the Quasicontinuum of 117Sn

NUCLEAR REACTIONS 117Sn(3He, 3He'), E=38 MeV; measured Eγ, Iγ, 7radiative strength function. 117Sn; deduced level density.

doi: 10.1103/PhysRevLett.102.162504
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1697.


2009HO01      Phys.Lett. B 672, 17 (2009)

C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, G.Christian, D.H.Denby, P.A.DeYoung, J.E.Finck, N.Frank, J.Hinnefeld, S.Mosby, W.A.Peters, W.F.Rogers, A.Schiller, A.Spyrou, M.J.Scott, S.L.Tabor, M.Thoennessen, P.Voss

Evidence for a doubly magic 24O

NUCLEAR REACTIONS Be(26F, n23O), E=85 MeV/nucleon; measured neutron decay energy spectra, (fragment)(neutron)-coin. 24O deduced excited state energies, J, π. Comparison with other data and systematics. Secondary radioactive beam.

doi: 10.1016/j.physletb.2008.12.066
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009OG06      Phys.Rev. C 80, 034305 (2009)

B.M.Oginni, S.M.Grimes, A.V.Voinov, A.S.Adekola, C.R.Brune, D.E.Carter, Z.Heinen, D.Jacobs, T.N.Massey, J.E.O'Donnell, A.Schiller

Test of level density models from reactions of 6Li on 58Fe and 7Li on 57Fe

NUCLEAR REACTIONS 58Fe(6Li, X), E=15 MeV; 57Fe(7Li, X), E=15 MeV; measured particle spectra, σ, angular distributions; deduced optical model parameters. 60Co, 63Ni; deduced level densities. Comparison with Hauser-Feshbach model calculations.

doi: 10.1103/PhysRevC.80.034305
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1749.


2009ST20      Phys.Rev. C 80, 021302 (2009)

M.J.Strongman, A.Spyrou, C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, S.Mosby, W.F.Rogers, G.F.Peaslee, W.A.Peters, A.Schiller, S.L.Tabor, M.Thoennessen

Disappearance of the N = 14 shell

NUCLEAR REACTIONS Be(26F, X)22N, E=85 MeV/nucleon; measured En and (fragment)(neutron)-coin spectrum. 22N; deduced levels, J, π. Level systematics of N=14, 15 C, N and O isotones. Comparison with shell-model calculations using WBTM and WBPM interactions.

doi: 10.1103/PhysRevC.80.021302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009SY01      Phys.Rev. C 79, 024316 (2009)

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

Level density and γ-decay properties of closed shell Pb nuclei

NUCLEAR REACTIONS 206,208Pb(3He, 3He'γ), (3He, αγ), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced spin distributions, level densities, entropies, temperature, γ-ray strength functions. Comparison of E1 and M1 strengths with Standard Lorentzian and enhanced generalized Lorentzian models.

doi: 10.1103/PhysRevC.79.024316
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1680.


2009VO02      Phys.Rev. C 79, 031301 (2009)

A.V.Voinov, B.M.Oginni, S.M.Grimes, C.R.Brune, M.Guttormsen, A.C.Larsen, T.N.Massey, A.Schiller, S.Siem

Nuclear excitations at constant temperature

NUCLEAR REACTIONS 55Mn(6Li, X), (7Li, X), E=15 MeV; 59Co(d, p), (d, α), E=7.5 MeV; measured neutron and proton evaporation spectra, α spectra, σ. Hauser-Feshbach analysis. Comparison with predictions of constant temperature, Fermi-gas, and Hartree-Fock-BCS models.

doi: 10.1103/PhysRevC.79.031301
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1685.


2008AL35      Phys.Rev. C 78, 054321 (2008)

E.Algin, U.Agvaanluvsan, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Thermodynamic properties of 56, 57Fe

NUCLEAR REACTIONS 57Fe(3He, 3He'γ), (3He, αγ), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. Deduced level densities, thermodynamic properties.

doi: 10.1103/PhysRevC.78.054321
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1669.


2008CH07      Nucl.Phys. A801, 101 (2008)

G.Christian, W.A.Peters, D.Absalon, D.Albertson, T.Baumann, D.Bazin, E.Breitbach, J.Brown, P.L.Cole, D.Denby, P.A.DeYoung, J.E.Finck, N.Frank, A.Fritsch, C.Hall, A.M.Hayes, J.Hinnefeld, C.R.Hoffman, R.Howes, B.Luther, E.Mosby, S.Mosby, D.Padilla, P.V.Pancella, G.Peaslee, W.F.Rogers, A.Schiller, M.J.Strongman, M.Thoennessen, L.O.Wagner

Production of nuclei in neutron unbound states via primary fragmentation of 48Ca

NUCLEAR REACTIONS 9Be(48Ca, X)10Li/11,13Be/23O, E=60 MeV/nucleon; measured neutron decay energy spectra, (fragment)(neutron)-coin using sequential neutron decay spectroscopy technique. 10Li, 11,13Be, 23O observed unbound states.

doi: 10.1016/j.nuclphysa.2008.01.004
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2008DE29      Phys.Rev. C 78, 044303 (2008)

D.H.Denby, P.A.DeYoung, T.Baumann, D.Bazin, E.Breitbach, J.Brown, N.Frank, A.Gade, C.C.Hall, J.Hinnefeld, C.R.Hoffman, R.Howes, R.A.Jenson, B.Luther, S.M.Mosby, C.W.Olson, W.A.Peters, A.Schiller, A.Spyrou, M.Thoennessen

Ground state energy and width of 7He from 8Li proton knockout

NUCLEAR REACTIONS Be(8Li, X), E=41 MeV/nucleon; measured particle spectra, angular distributions. Deduced energy of ground-state resonances. 7He; deduced ground-state energies and widths.

doi: 10.1103/PhysRevC.78.044303
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2008FR10      Nucl.Phys. A813, 199 (2008)

N.Frank, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, J.-L.Lecouey, B.Luther, W.A.Peters, H.Scheit, A.Schiller, M.Thoennessen, J.Tostevin

Neutron decay spectroscopy of neutron-rich oxygen isotopes

NUCLEAR REACTIONS 9Be(26Ne, X)22O/23O/24O, E=86 MeV/nucleon; measured fragment and neutron spectra, (fragment)n-coin, decay energy spectra; deduced reaction mechanism features. 22,23,24O deduced levels, J, π, strength functions, configurations. 23O observed unbound state.

doi: 10.1016/j.nuclphysa.2008.09.009
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2008HO03      Phys.Rev.Lett. 100, 152502 (2008)

C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, J.Hinnefeld, R.Howes, P.Mears, E.Mosby, S.Mosby, J.Reith, B.Rizzo, W.F.Rogers, G.Peaslee, W.A.Peters, A.Schiller, M.J.Scott, S.L.Tabor, M.Thoennessen, P.J.Voss, T.Williams

Determination of the N = 16 Shell Closure at the Oxygen Drip Line

NUCLEAR REACTIONS Be(26F, 25O), E=85 MeV/nucleon; measured fragment, neutron energies and yields. 25O; deduced decay width.

doi: 10.1103/PhysRevLett.100.152502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008VO02      Phys.Rev. C 77, 034613 (2008)

A.V.Voinov, S.M.Grimes, A.C.Larsen, C.R.Brune, M.Guttormsen, T.Massey, A.Schiller, S.Siem, N.U.H.Syed

Level densities of 44Sc and 47Ti from different experimental techniques

NUCLEAR REACTIONS 45Sc(3He, α), (3He, p), E=11 Mev; measured Eγ, Iγ, particle spectra, α particle angular distributions; deduced level density, αγ-coin. 44Sc, 47Ti; deduced level density. Comparison with theory.

doi: 10.1103/PhysRevC.77.034613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1613.


2007AL49      Phys.Atomic Nuclei 70, 1634 (2007)

E.Algin, A.Schiller, A.Voinov, U.Agvaanluvsan, T.Belgya, L.A.Bernstein, C.R.Brune, R.Chankova, P.E.Garrett, S.M.Grimes, M.Guttormsen, M.Hjorth-Jensen, M.J.Hornish, C.W.Johnson, T.Massey, G.E.Mitchell, J.Rekstad, S.Siem, W.Younes

Bulk properties of iron isotopes

NUCLEAR REACTIONS 57Fe(3He, α), (3He, 3He'), E=45 MeV; 56Fe(n, γ), E=thermal; 55Mn(d, n), E=7.0 MeV; measured Eγ, Iγ. Deduced nuclear level densities and radiative strength functions. Compared results to model calculations.

doi: 10.1134/S1063778807090232
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2007BA71      Nature(London) 449, 1022 (2007)

T.Baumann, A.M.Amthor, D.Bazin, B.A.Brown, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, O.B.Tarasov, M.Thoennessen

Discovery of 40Mg and 42Al suggests neutron drip-line slant towards heavier isotopes

NUCLEAR REACTIONS W(48Ca, X)40Mg/42Al, E=141 MeV/nucleon; measured fragment energies, charge and mass distributions.

doi: 10.1038/nature06213
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2007GU15      Acta Phys.Pol. B38, 1489 (2007)

M.Guttormsen, R.Chankova, A.C.Larsen, J.Rekstad, S.Siem, N.U.H.Syed, U.Agvaanluvsan, A.Schiller, A.Voinov

The Role of Broken Cooper Pairs in Warm Nuclei


2007KA21      Phys.Rev. C 75, 044304 (2007)

K.Kaneko, A.Schiller

Spin distribution of nuclear levels using the static path approximation with the random-phase approximation

NUCLEAR STRUCTURE 56Fe; calculated spin distribution of the level density, and various thermal properties using static path approximation plus random phase approximation, compared results to available data.

doi: 10.1103/PhysRevC.75.044304
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2007KA61      Phys.Rev. C 76, 064306 (2007)

K.Kaneko, A.Schiller

Particle-number conservation in static-path approximation for thermal superfluid systems

NUCLEAR STRUCTURE 56Fe, 94Mo, 172Yb; calculated heat capacity, breakdown of pairing correlations, particle number projection method.

doi: 10.1103/PhysRevC.76.064306
Citations: PlumX Metrics


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


2007SC20      At.Data Nucl.Data Tables 93, 549 (2007)

A.Schiller, M.Thoennessen

Compilation of giant electric dipole resonances built on excited states

COMPILATION A=39-240; compiled GDR parameters for γ decay to excited states with finite spin and temperature.

doi: 10.1016/j.adt.2006.12.002
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2007SC32      Phys.Rev.Lett. 99, 112501 (2007)

A.Schiller, N.Frank, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, J.-L.Lecouey, B.Luther, W.A.Peters, H.Scheit, M.Thoennessen, J.A.Tostevin

Selective Population and Neutron Decay of an Excited State of 23O

NUCLEAR REACTIONS Be(26Ne, n2p), E=86 MeV/nucleon; measured neutron decay energy spectrum, fragment-neutron-coinc. 23O deduced level energy, spectroscopic factor.

doi: 10.1103/PhysRevLett.99.112501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007SC37      Nucl.Phys. A788, 231c (2007)

A.Schiller, M.Thoennessen, K.M.McAlpine

Systematics of hot giant electric dipole resonance widths

doi: 10.1016/j.nuclphysa.2007.01.010
Citations: PlumX Metrics


2007SI17      Acta Phys.Pol. B38, 1499 (2007)

S.Siem, M.Guttormsen, R.Chankova, A.C.Larsen, J.Rekstad, A.Schiller, N.U.H.Syed

Level Densities and γ Strength Functions in 146, 147Sm Nuclei

NUCLEAR STRUCTURE 146,147Sm; analyzed data to extract nuclear level density and radiative strength functions. Compared results to existing data.


2007TA15      Phys.Rev. C 75, 064613 (2007)

O.B.Tarasov, T.Baumann, A.M.Amthor, D.Bazin, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, A.Nettleton, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, M.Thoennessen

New isotope 44Si and systematics of the production cross sections of the most neutron-rich nuclei

NUCLEAR REACTIONS 184W, 9Be(48Ca, X)36Mg/37Mg/38Mg/41Si/42Si/43Si/44Si, E=142 MeV/nucleon; measured production cross sections. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1568. Data from this article have been entered in the XUNDL database. For more information, click here.


2007VA22      Phys.Rev.Lett. 99, 162501 (2007)

C.Vaman, C.Andreoiu, D.Bazin, A.Becerril, B.A.Brown, C.M.Campbell, A.Chester, J.M.Cook, D.C.Dinca, A.Gade, D.Galaviz, T.Glasmacher, M.Hjorth-Jensen, M.Horoi, D.Miller, V.Moeller, W.F.Mueller, A.Schiller, K.Starosta, A.Stolz, J.R.Terry, A.Volya, V.Zelevinsky, H.Zwahlen

Z=50 Shell Gap near 100Sn from Intermediate-Energy Coulomb Excitations in Even-Mass 106-112Sn Isotopes

NUCLEAR REACTIONS 197Au(106Sn, 106Sn'), (108Sn, 108Sn'), (110Sn, 110sn'), (112Sn, 112Sn'), E=78-81 MeV; measured Eγ, Iγ, (particle)γ-coinc from projectile coulomb excitation. 106,108,110,112Sn deduced B(E2).

doi: 10.1103/PhysRevLett.99.162501
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1671.


2006HO14      Eur.Phys.J. A 27, Supplement 1, 217 (2006)

A.Horvath, K.Ieki, A.Kiss, A.Galonsky, M.Thoennessen, T.Baumann, D.Bazin, C.A.Bertulani, C.Bordeanu, N.Carlin, M.Csanad, F.Deak, P.DeYoung, N.Frank, T.Fukuchi, Zs.Fulop, A.Gade, D.Galaviz, C.Hoffman, R.Izsak, W.A.Peters, H.Schelin, A.Schiller, R.Sugo, Z.Seres, G.I.Veres

Can the neutron-capture cross sections be measured with Coulomb dissociation?

NUCLEAR REACTIONS C, Pb(8Li, n7Li), E=41 MeV/nucleon; measured particle spectra, angular distributions; deduced nuclear and Coulomb contributions.

doi: 10.1140/epja/i2006-08-033-6
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2006KA40      Phys.Rev. C 74, 024325 (2006)

K.Kaneko, M.Hasegawa, U.Agvaanluvsan, E.Algin, R.Chankova, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Breaking of nucleon Cooper pairs at finite temperature in 93-98Mo

NUCLEAR STRUCTURE 93,94,95,96,97,98Mo; calculated level densities, heat capacities, pair correlation features.

doi: 10.1103/PhysRevC.74.024325
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1699.


2006SC07      Phys.Lett. B 633, 225 (2006)

A.Schiller, A.Voinov, E.Algin, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem

Low-energy M1 excitation mode in 172Yb

NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; 171Yb(n, γ), E=thermal; measured Eγ, Iγ, (particle)γ-coin, γγ-coin. 172Yb deduced radiative strength functions, resonance multipolarity, B(M1).

doi: 10.1016/j.physletb.2005.12.043
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2006SC17      Phys.Rev. C 74, 017305 (2006)

A.Schiller, A.V.Voinov, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem

Primary versus secondary γ intensities in 171Yb(nth, γ)

NUCLEAR REACTIONS 171Yb(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin; deduced primary and secondary γ intensities.

doi: 10.1103/PhysRevC.74.017305
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2006VO06      Phys.Rev. C 74, 014314 (2006)

A.V.Voinov, S.M.Grimes, U.Agvaanluvsan, E.Algin, T.Belgya, C.R.Brune, M.Guttormsen, M.J.Hornish, T.Massey, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem

Level density of 56Fe and low-energy enhancement of γ-strength function

NUCLEAR REACTIONS 55Mn(d, n), E=7 MeV; measured En, σ(E, θ). 56Fe deduced level density, γ-strength function.

doi: 10.1103/PhysRevC.74.014314
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1463.


2005AG15      Nucl.Instrum.Methods Phys.Res. B241, 180 (2005)

U.Agvaanluvsan, E.Algin, J.A.Becker, M.Guttormsen, G.E.Mitchell, S.Siem, A.Schiller, A.Voinov

Investigation of the radiative strength function

NUCLEAR REACTIONS 57Fe, 171Yb(3He, 3He'), E=38-45 MeV; 117Sn, 172Yb(3He, α), E=38-45 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced radiative strength functions.

doi: 10.1016/j.nimb.2005.07.081
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2005GA47      J.Phys.(London) G31, S1855 (2005)

P.E.Garrett, W.D.Kulp, J.L.Wood, D.Bandyopadhyay, S.Christen, S.Choudry, A.Dewald, A.Fitzler, C .Fransen, K.Jessen, J.Jolie, A.Kloezer, P.Kudejova, A.Kumar, S.R.Lesher, A.Linnemann, A.Lisetskiy, D.Martin, M.Masur, M.T.McEllistrem, O.Moller, M.Mynk, J.N.Orce, P.Pejovic, T.Pissulla, J.M.Regis, A.Schiller, D.Tonev, S.W.Yates

Octupole and hexadecapole bands in 152Sm

NUCLEAR REACTIONS 150Nd(α, 2n), E=22.5 MeV; 152Sm(n, n'), E not given; measured Eγ, Iγ, γγ-coin. 152Sm deduced levels, J, π, octupole and hexadecapole bands.

doi: 10.1088/0954-3899/31/10/087
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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
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2005JO03      Phys.Rev. C 71, 024317 (2005)

M.S.Johnson, J.A.Cizewski, M.B.Smith, J.S.Thomas, J.A.Becker, L.A.Bernstein, A.Schiller, D.P.McNabb, P.Fallon, A.O.Macchiavelli

Population of superdeformed excitations in 198Po

NUCLEAR REACTIONS 174Yb(29Si, 5n), E=148 MeV; measured Eγ, Iγ, γγ-coin. 198Po deduced spin-energy entry distributions for superdeformed and normal-deformed rotational bands. Gammasphere array.

doi: 10.1103/PhysRevC.71.024317
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2005PL03      Phys.Rev. C 71, 051602 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Estimation of (n, f) cross sections by measuring reaction probability ratios

NUCLEAR REACTIONS 236,238U(d, pF), (d, d'F), E=24, 32 MeV; measured fission probability ratios. Comparison with results from neutron-induced reactions.

doi: 10.1103/PhysRevC.71.051602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1275.


2005PL05      J.Phys.(London) G31, S1573 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei

NUCLEAR REACTIONS 236,238U(d, d'F), (d, pF), E=24, 32 MeV; measured fragment yields; deduced fission probability ratios vs excitation energy. Surrogate method for neutron-induced fission cross-section determination.

doi: 10.1088/0954-3899/31/10/035
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2005SC20      Phys.Rev. C 72, 037601 (2005)

A.Schiller, T.Baumann, J.Dietrich, S.Kaiser, W.Peters, M.Thoennessen

Search for particle-bound 26O and 28F in p-stripping reactions

NUCLEAR REACTIONS C(27F, X), (29Ne, X), E ≈ 90 MeV/nucleon; measured fragment yields, production σ upper limits; deduced no evidence for 26O, 28F.

doi: 10.1103/PhysRevC.72.037601
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2005SI07      Acta Phys.Pol. B36, 1089 (2005)

S.Siem, M.Guttormsen, E.Algin, U.Agvaanluvsan, T.Belgya, R.Chankova, G.Mitchell, L.A.Bernstein, J.Rekstad, A.Schiller, A.C.Sunde, N.Syed, A.Voinov

Soft resonances in hot nuclei

NUCLEAR STRUCTURE 93,94,95,96,97,98Mo, 148,149Sm, 161,162Dy, 166,167Er, 171,172Yb; analyzed radiative strength functions, resonance features.


2005ST29      Phys.Lett. B 627, 32 (2005)

A.Stolz, T.Baumann, N.H.Frank, T.N.Ginter, G.W.Hitt, E.Kwan, M.Mocko, W.Peters, A.Schiller, C.S.Sumithrarachchi, M.Thoennessen

First observation of 60Ge and 64Se

NUCLEAR REACTIONS 9Be(78Kr, X)60Ge/61Ge/62Ge/63Ge/64Ge/64Se/65Se/66Se/67Se/68Se, E=140 MeV/nucleon; measured production σ, isotopic yields; deduced no evidence for 59Ga, 63As. 60Ge, 64Se deduced T1/2 lower limits. 59Ga, 63As deduced T1/2 upper limits.

doi: 10.1016/j.physletb.2005.08.130
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1603. Data from this article have been entered in the XUNDL database. For more information, click here.


2005ST34      Eur.Phys.J. A 25, Supplement 1, 335 (2005)

A.Stolz, T.Baumann, N.H.Frank, T.N.Ginter, G.W.Hitt, E.Kwan, M.Mocko, W.Peters, A.Schiller, C.S.Sumithrarachchi, M.Thoennessen

Discovery of 60Ge and 64Se

NUCLEAR REACTIONS 9Be(78Kr, X)60Ge/61Ge/62Ge/63Ge/64Ge/64Se/65Se/66Se/67Se/68Se, E=140 MeV/nucleon; measured production σ, isotopic yields; deduced no evidence for 59Ga, 63As.

doi: 10.1140/epjad/i2005-06-192-y
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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.


2004AG05      Phys.Rev. C 70, 054611 (2004)

U.Agvaanluvsan, A.Schiller, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes

Level densities and γ-ray strength functions in 170, 171, 172Yb

NUCLEAR REACTIONS 171Yb(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 172Yb(3He, 3He'), (3He, α), E=45 MeV; 173Yb(3He, α), E=45 MeV; analyzed Eγ, Iγ, (particle)γ-coin. 170,171,172Yb deduced level densities, radiative strength functions, pygmy resonance features.

doi: 10.1103/PhysRevC.70.054611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0824.


2004VO12      Phys.Rev.Lett. 93, 142504 (2004)

A.Voinov, E.Algin, U.Agvaanluvsan, T.Belgya, R.Chankova, M.Guttormsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem

Large Enhancement of Radiative Strength for Soft Transitions in the Quasicontinuum

NUCLEAR REACTIONS 57Fe(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 56Fe(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. 56,57Fe deduced radiative strength functions, quasicontinuum enhancement.

doi: 10.1103/PhysRevLett.93.142504
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2004VO17      Yad.Fiz. 67, 1891 (2004); Phys.Atomic Nuclei 67, 1866 (2004)

A.V.Voinov, A.Schiller, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem

Nature of the Pygmy Resonance in Continuous γ Spectra

NUCLEAR REACTIONS 171Yb(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin; deduced pygmy resonance energy, width.

doi: 10.1134/1.1811192
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2003GU03      J.Phys.(London) G29, 263 (2003)

M.Guttormsen, E.Melby, J.Rekstad, S.Siem, A.Schiller, T.Lonnroth, A.Voinov

Level density and γ-ray strength in 27, 28Si

NUCLEAR REACTIONS 28Si(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ. 27,28Si deduced level densities, γ-ray strength functions.

doi: 10.1088/0954-3899/29/2/303
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2003GU12      Phys.Rev. C 68, 034311 (2003)

M.Guttormsen, R.Chankova, M.Hjorth-Jensen, J.Rekstad, S.Siem, A.Schiller, D.J.Dean

Free energy and criticality in the nucleon pair breaking process

NUCLEAR STRUCTURE 171,172Yb, 166,167Er, 161,162Dy, 148,149Sm; analyzed level densities; deduced Helmholtz free energy, other thermodynamic quantities, continuous nucleon pair breaking.

doi: 10.1103/PhysRevC.68.034311
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2003GU25      Phys.Rev. C 68, 064306 (2003)

M.Guttormsen, A.Bagheri, R.Chankova, J.Rekstad, S.Siem, A.Schiller, A.Voinov

Thermal properties and radiative strengths in 160, 161, 162Dy

NUCLEAR REACTIONS 161Dy(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ. 161Dy(3He, 3He'), (3He, α), E=45 MeV; 163Dy(3He, α), E=45 MeV; analyzed Eγ, Iγ. 160,161,162Dy deduced level densities, radiative strength functions, pygmy resonance parameters.

doi: 10.1103/PhysRevC.68.064306
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1702.


2003SC32      Phys.Rev. C 68, 054326 (2003)

A.Schiller, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, M.Hjorth-Jensen, C.W.Johnson, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes

Level densities in 56, 57Fe and 96, 97Mo

NUCLEAR REACTIONS 57Fe, 97Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ. 56,57Fe, 96,97Mo deduced level densities. Microscopic model, pairing plus random interaction.

doi: 10.1103/PhysRevC.68.054326
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1669.


2002SI09      Phys.Rev. C65, 044318 (2002)

S.Siem, M.Guttormsen, K.Ingeberg, E.Melby, J.Rekstad, A.Schiller, A.Voinov

Level Densities and γ-Strength Functions in 148, 149Sm

NUCLEAR REACTIONS 149Sm(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (charged particle)γ-coin. 148,149Sm deduced level densities, γ-strength functions, thermodynamic properties, pygmy resonance features. Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.65.044318
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1701.


2001GU11      Phys.Rev. C63, 044301 (2001)

M.Guttormsen, M.Hjorth-Jensen, E.Melby, J.Rekstad, A.Schiller, S.Siem

Entropy of Thermally Excited Particles in Nuclei

NUCLEAR STRUCTURE A=20-250; analyzed level densities; deduced single-particle entropy, related features.

doi: 10.1103/PhysRevC.63.044301
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2001GU23      Phys.Rev. C64, 034319 (2001)

M.Guttormsen, M.Hjorth-Jensen, E.Melby, J.Rekstad, A.Schiller, S.Siem

Heat Capacity and Pairing Transition in Nuclei

NUCLEAR STRUCTURE 162Dy; calculated entropy, heat capacity, other thermodynamic quantities; deduced role of pairing transition. 56Mn, 58,59Fe, 104Rh, 105,106Pd, 160Tb, 161,162Dy, 234Pa, 234,235U; calculated level densities.

doi: 10.1103/PhysRevC.64.034319
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2001ME07      Phys.Rev. C63, 044309 (2001)

E.Melby, M.Guttormsen, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Thermal and Electromagnetic Properties of 166Er and 167Er

NUCLEAR REACTIONS 167Er(3He, α), (3He, 3He'), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 166,167Er deduced level densities, γ-ray strength functions, pygmy resonance features, thermal properties.

doi: 10.1103/PhysRevC.63.044309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1446.


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


2001SC36      Yad.Fiz. 64, No 7, 1263 (2001); Phys.Atomic Nuclei 64, 1186 (2001)

A.Schiller, M.Guttormsen, M.Hjorth-Jensen, E.Melby, J.Rekstad, S.Siem

Level Density and Thermal Properties in Rare Earth Nuclei

NUCLEAR REACTIONS 162Dy(3He, 3He'), E=45 MeV; 162,163Dy, 172,173Yb(3He, α), E=45 MeV; measured Eγ, Iγ. 161,162Dy, 171,172Yb deduced level densities, thermodynamic quantities, pygmy resonance strength.

doi: 10.1134/1.1389540
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2001SI13      Acta Phys.Pol. B32, 855 (2001)

S.Siem, M.Guttormsen, K.Ingeberg, E.Melby, J.Rekstad, A.Schiller

Thermal Quenching of Pair Correlations and γ-Strength Functions in 148, 149Sm

NUCLEAR REACTIONS 149Sm(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (charged particle)γ-coin. 148,149Sm deduced level densities, γ-strength functions.


2001VO05      Phys.Rev. C63, 044313 (2001)

A.Voinov, M.Guttormsen, E.Melby, J.Rekstad, A.Schiller, S.Siem

γ-Ray Strength Function and Pygmy Resonance in Rare Earth Nuclei

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 161,162Dy, 171,172Yb deduced level densities, γ-ray strength functions, pygmy resonance features. Comparison with model predictions.

doi: 10.1103/PhysRevC.63.044313
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2000GU25      Phys.Rev. C61, 067302 (2000)

M.Guttormsen, M.Hjorth-Jensen, E.Melby, J.Rekstad, A.Schiller, S.Siem

Energy Shifted Level Densities in Rare Earth Region

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, α), E=45 MeV; measured α spectra, Eγ, Iγ. 161,162Dy, 171,172Yb deduced level densities vs excitation energy, energy shift parameter. Comparison with model predictions.

doi: 10.1103/PhysRevC.61.067302
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2000GU26      Phys.Rev. C62, 024306 (2000)

M.Guttormsen, A.Bjerve, M.Hjorth-Jensen, E.Melby, J.Rekstad, A.Schiller, S.Siem, A.Belic

Entropy in Hot 161, 162Dy and 171, 172Yb Nuclei

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, Eα, Iα, αγ-coin. 161,162Dy, 171,172Yb deduced level densities, entropy vs excitation energy.

doi: 10.1103/PhysRevC.62.024306
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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
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2000SC07      Phys.Rev. C61, 044324 (2000)

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

Level Density and γ Strength Function in 162Dy from Inelastic 3He Scattering

NUCLEAR REACTIONS 162Dy(3He, 3He'), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 162Dy deduced level density, γ strength function. Comparison with previous results.

doi: 10.1103/PhysRevC.61.044324
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2000SC24      Nucl.Instrum.Methods Phys.Res. A447, 498 (2000)

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

Extraction of Level Density and γ Strength Function from Primary γ Spectra

NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; analyzed Eγ, Iγ. 172Yb deduced level density, γ strength distribution. Iterative procedure.

doi: 10.1016/S0168-9002(99)01187-0
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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
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2000SI41      Acta Phys.Hung.N.S. 12, 299 (2000)

S.Siem, A.Schiller, M.Guttormsen, M.Hjorth-Jensen, E.Melby, J.Rekstad

Level Density and Thermal Properties in Rare Earth Nuclei

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, α), E=45 MeV; measured Eα, Eγ, αγ-coin. 161,162Dy, 171,172Yb deduced level density, γ-strangth functions, thermodynamic properties.


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
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1999IV05      Phys.Lett. 454B, 155 (1999)

D.Yu.Ivanov, A.Schiller, V.G.Serbo

Large Coulomb Corrections to the e+e- Pair Production at Relativistic Heavy Ion Colliders

doi: 10.1016/S0370-2693(99)00323-8
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1999KO13      Phys.Rev. C59, 2734 (1999)

G.L.Kotkin, E.A.Kuraev, A.Schiller, V.G.Serbo

Production of Parapositronium and Orthopositronium at Relativistic Heavy Ion Colliders

NUCLEAR REACTIONS 197Au(197Au, X), Pb(Pb, X), Ca(Ca, X), E=high; calculated positronium production σ.

doi: 10.1103/PhysRevC.59.2734
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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
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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.


1997PI08      Nucl.Phys. A618, 141 (1997)

N.Pietralla, O.Beck, J.Besserer, P.von Brentano, T.Eckert, R.Fischer, C.Fransen, R.-D.Herzberg, D.Jager, R.V.Jolos, U.Kneissl, B.Krischok, J.Margraf, H.Maser, A.Nord, H.H.Pitz, M.Rittner, A.Schiller, A.Zilges

The Scissors Mode and Other Magnetic and Electric Dipole Excitations in the Transitional Nuclei 178,180Hf

NUCLEAR REACTIONS 178,180Hf(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ(θ). 178,180Hf deduced levels, J, decay widths, branching ratios, Γ0, B(λ). Scissors mode, M1 sum rules, electric dipole excitations, octupole vibrational bands, K-mixing. Nuclear resonance fluorescence technique.

doi: 10.1016/S0375-9474(97)00054-7
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1996GO11      J.Phys.(London) G22, 703 (1996)

M.Gockeler, R.Horsley, E.-M.Ilgenfritz, H.Oelrich, H.Perlt, P.E.L.Rakow, G.Schierholz, A.Schiller

Calculating Structure Functions on the Lattice

doi: 10.1088/0954-3899/22/6/005
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1996GO41      Nucl.Phys. B(Proc.Suppl.) S49, 250 (1996)

M.Gockeler, R.Horsley, E.-M.Ilgenfritz, H.Oelrich, H.Perlt, P.Rakow, G.Schierholz, A.Schiller

The Status of Lattice Calculations of the Nucleon Structure Functions

NUCLEAR STRUCTURE 1n, 1H; calculated unpolarized, polarized nucleon structure functions. Lattice calculations.

doi: 10.1016/0920-5632(96)00341-6
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1996GO43      Prog.Theor.Phys.(Kyoto), Suppl. 122, 145 (1996)

M.Gockeler, R.Horsley, E.-M.Ilgenfritz, H.Oelrich, H.Perlt, P.Rakow, G.Schierholz, A.Schiller

A Lattice Evaluation of the Deep-Inelastic Structure Functions of the Nucleon

NUCLEAR STRUCTURE 1H; calculated quark spin contribution to spin. Lattice evaluation, deep inelastic structure function.


1996NO10      Phys.Rev. C54, 2287 (1996)

A.Nord, A.Schiller, T.Eckert, O.Beck, J.Besserer, P.von Brentano, R.Fischer, R.-D.Herzberg, D.Jager, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz, M.Rittner, A.Zilges

Systematic Study of the Fragmentation of Low-Lying Dipole Strength in Odd-A Rare Earth Nuclei Investigated in Nuclear Resonance Fluorescence Experiments

NUCLEAR REACTIONS 155Gd, 159Tb(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 155Gd, 159Tb deduced levels, (gΓ0), B(λ). Enriched targets. Other nuclei dipole fragmentation data considered.

doi: 10.1103/PhysRevC.54.2287
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0859.


1995MA69      Phys.Rev. C52, 2429 (1995)

J.Margraf, T.Eckert, M.Rittner, I.Bauske, O.Beck, U.Kneissl, H.Maser, H.H.Pitz, A.Schiller, P.von Brentano, R.Fischer, R.-D.Herzberg, N.Pietralla, A.Zilges, H.Friedrichs

Systematics of Low-Lying Dipole Strengths in Odd and Even Dy and Gd Isotopes

NUCLEAR REACTIONS 160,162,164,161,163Dy, 160,156,157,158Gd(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ, γ asymmetry in some cases. 164,162,161,163,160Dy, 157Gd deduced levels, J, π, K, Γ0, B(λ). Enriched targets.

doi: 10.1103/PhysRevC.52.2429
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Data from this article have been entered in the XUNDL database. For more information, click here.


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