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NSR database version of April 11, 2024.

Search: Author = P.Demetriou

Found 62 matches.

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2018FO06      Phys.Rev. C 97, 035806 (2018)

V.Foteinou, S.Harissopulos, M.Axiotis, A.Lagoyannis, G.Provatas, A.Spyrou, G.Perdikakis, Ch.Zarkadas, P.Demetriou

Cross section measurements of proton capture reactions on Se isotopes relevant to the astrophysical p process

NUCLEAR REACTIONS 74,76,78,80Se(p, γ), E=1.5-6 MeV; 77,80,82Se(p, n), E=1.5-6 MeV; measured Eγ, Iγ, γ(θ), capture σ(E) by activation method using Dynamitron accelerator at the University of Stuttgart, and at Van de Graaff Tandem Accelerator of Laboratory of NCSR, Demokritos. 79,81Br; deduced levels, J, π, multipolarities, astrophysical S factors and reaction rates. 77Se(p, γ), E(cm)=1-4 MeV; 82Se(p, γ), E(cm)=6-18 MeV; 78Se(p, n), E(cm)=4.5-7 MeV; analyzed σ(E) data. Comparison with theoretical calculations using reaction code TALYS using global semimicroscopic and phenomenological models of optical potentials (OMPs), nuclear level densities (NLDs), and γ-ray strength functions (γSFs), and with previous experimental cross section data.

doi: 10.1103/PhysRevC.97.035806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2446.


2016HA03      Phys.Rev. C 93, 025804 (2016)

S.Harissopulos, A.Spyrou, V.Foteinou, M.Axiotis, G.Provatas, P.Demetriou

Systematic study of proton capture reactions in medium-mass nuclei relevant to the p process: The case of 103Rh and 113, 115In

NUCLEAR REACTIONS 103Rh(p, γ), E(cm)=1.982-4.949 MeV; 113,115In(p, γ), E(cm)=1.955-3.464 MeV; measured Eγ, Iγ, γ(θ) at University of Stuttgart Dynamitron facility; deduced total σ(E), astrophysical S factors, screening factors, isomeric cross-section ratios nuclear, astrophysical reaction rates for p process at T9=1.5-3.5. 104Pd, 114,116Sn; deduced levels, multipolarity, γ branching ratios. Comparison with previous experimental results, and Hauser-Feshbach (HF) statistical theory using phenomenological or semimicroscopic models of optical potentials in TALYS calculations.

doi: 10.1103/PhysRevC.93.025804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2330.


2013HA03      Phys.Rev. C 87, 025806 (2013)

S.Harissopulos, A.Spyrou, A.Lagoyannis, M.Axiotis, P.Demetriou, J.W.Hammer, R.Kunz, H.-W.Becker

Cross section measurements of proton capture reactions relevant to the p process: The case of 89Y(p, γ)90Zr and 121, 123Sb(p, γ)122, 124Te

NUCLEAR REACTIONS 89Y, 121,123Sb(p, γ)90Zr/122Te/124Te, E=16-3.4 MeV; measured Eγ, Iγ, γ(θ), total σ(E), primary and secondary γ; deduced astrophysical S(E) factors, reaction rates, isomeric cross section ratios. 90Zr; deduced levels, J, π. 89Y(p, γ)90Zr, E=2, 3, 4, 4.8 MeV; measured Eγ, integrated σ(E) by 4π-summing method. Comparison with TALYS code calculations, and with previous studies.

doi: 10.1103/PhysRevC.87.025806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2150.


2013NE16      Nucl.Phys. A916, 149 (2013)

L.Netterdon, P.Demetriou, J.Endres, U.Giesen, G.G.Kiss, A.Sauerwein, T.Szucs, K.O.Zell, A.Zilges

Investigation of α-induced reactions on the p nucleus 168Yb

NUCLEAR REACTIONS 168Yb(α, γ), (α, n), E=12.9-15.1 MeV; measured activation and post-β-decay Eγ, Iγ using HPGe; calculated σ using TALYS-1.4 code with RIPL3 parameters. 171,172Hf deduced (α, γ) and (α, n) σ 171Lu deduced normalization factor.

doi: 10.1016/j.nuclphysa.2013.08.002
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2178. Data from this article have been entered in the XUNDL database. For more information, click here.


2013SI31      Nucl.Data Sheets 114, 2023 (2013)

B.Singh, G.Mukherjee, D.Abriola, S.K.Basu, P.Demetriou, A.Jain, S.Kumar, S.Singh, J.Tuli

Nuclear Data Sheets for A = 215

COMPILATION 215Hg, 215Tl, 215Pb, 215Bi, 215Po, 215At, 215Rn, 215Fr, 215Ra, 215Ac, 215Th, 215Pa; compiled, evaluated nuclear structure data.

doi: 10.1016/j.nds.2013.11.003
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This article is in the ENSDF database. For more information, click here.


2012SE09      Phys.Rev. C 86, 034602 (2012)

M.Serris, M.Diakaki, S.Galanopoulos, M.Kokkoris, M.Lamprou, C.T.Papadopoulos, R.Vlastou, P.Demetriou, C.A.Kalfas, A.Lagoyannis

Experimental and theoretical study of the (n, 2n) reaction on 174, 176Hf isotopes

NUCLEAR REACTIONS 174,176Hf(n, 2n)173Hf/175Hf, E=8.8-11.0 MeV; measured Eγ, Iγ, σ(E) using activation technique. Comparison with statistical model calculations using EMPIRE-II and TALYS codes, and with and previous experimental studies. Discussed effects of the nuclear input parameters and pre-equilibrium emission.

doi: 10.1103/PhysRevC.86.034602
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23184.


2012UJ01      J.Phys.:Conf.Ser. 337, 012015 (2012)

P.Ujic, F.de Oliveira, A.Lagoyannis, T.J.Mertzimekis, S.Harissopulos, P.Demetriou, A.Spyrou, C.Stodel, M.G.Saint-Laurent, O.Kamalou, A.Lefebvre-Schuhl, S.Grevy, L.Caceres, M.Lewitowicz, M.A.Amthor, L.Perot, A.Coc, V.Tatischeff, J.Kiener, O.Sorlin, A.Lepailleur, M.Assie, B.Bastin, L.Achouri, R.Borcea, C.Borcea, M.Stanoiu, G.de France, E.Clement, A.Pautrat, A.Buta, L.Gaudefroy, V.Meot, I.Deloncle

Astrophysical(α, γ) reaction in inverse kinematics; Electron screening effect in the beta-decay

NUCLEAR REACTIONS 4He(78Kr, γ), E=1.73 MeV/nucleon; measured E(82Sr), I(82Sr) using LISE3 spectrometer. Feasibility study of (α, γ) reaction measurements in inverse kinematics.

RADIOACTIVITY 19O(β-);19Ne(EC), (β+); measured decay products; deduced T1/2 in different environments and temperatures. Deduced also 19O branching ratio, but not reported.

doi: 10.1088/1742-6596/337/1/012015
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2010DE37      Phys.Rev. C 82, 054606 (2010)

P.Demetriou, Th.Keutgen, R.Prieels, Y.El Masri

Fission properties of actinide nuclei from proton-induced fission at 26.5 and 62.9 MeV incident proton energies

NUCLEAR REACTIONS 232Th, 237Np, 238U, 239Pu, 241Am(p, X), E=26.5, 62.9 MeV; analyzed total fission σ, total mass distributions of fission fragments, excitation energy distribution of the fissioning systems, pre- and post-scission neutron multiplicities using the reaction code TALYS.

doi: 10.1103/PhysRevC.82.054606
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2008IS03      Nucl.Phys. A809, 1 (2008)

S.Isaev, R.Prieels, Th.Keutgen, J.Van Mol, Y.El Masri, P.Demetriou

Proton-induced fission on actinide nuclei at energies 27 and 63 MeV

NUCLEAR REACTIONS 232Th, 238U, 237Np, 239Pu, 241Am(p, F), E=26.5, 62.9 MeV; measured fission σ, fission fragment mass and energy distributions, neutron multiplicities and angular distributions; deduced fission reaction features using multi-source analysis. Comparison with the TALYS code.

doi: 10.1016/j.nuclphysa.2008.05.012
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1708.


2008SP02      Phys.Rev. C 77, 065801 (2008)

A.Spyrou, A.Lagoyannis, P.Demetriou, S.Harissopulos, H.-W.Becker

Cross section measurements of (p, γ) reactions on Pd isotopes relevant to the p process

NUCLEAR REACTIONS 104,105,106Pd(p, γ), E=2.6-7.2 MeV; measured Eγ, Iγ, σ; deduced excitation energies, astrophysical S-factors, reaction rates. Comparison with theoretical data. 102Pd(p, γ); comparison to model calculations.

doi: 10.1103/PhysRevC.77.065801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0504.


2007GA29      Nucl.Instrum.Methods Phys.Res. B261, 969 (2007)

S.Galanopoulos, R.Vlastou, C.T.Papadopoulos, M.Kokkoris, G.Perdikakis, M.Serris, P.Demetriou

Experimental and theoretical studies of (n, p) reactions on Ge isotopes

NUCLEAR REACTIONS 72,73Ge(n, p), E=8.8-11.4 MeV; measured cross sections using activation technique. Compared results to model calculations.

doi: 10.1016/j.nimb.2007.04.007
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22969.


2006DU11      Nucl.Phys. A773, 24 (2006)

Ch.Dufauquez, Y.El Masri, V.Roberfroid, J.Cabrera, Th.Keutgen, J.Van Mol, P.Demetriou, R.Charity

Light charged particle and neutron production in proton- and α-particle-induced reactions on natSi at energies between 20 and 65 MeV

NUCLEAR REACTIONS Si(p, pX), (p, dX), (p, tX), (p, 3HeX), (p, αX), (p, 6LiX), (p, 7LiX), (p, 7BeX), E=26.5, 48.5, 62.9 MeV; Si(α, pX), (α, dX), (α, tX), (α, 3HeX), (α, αX), (α, 6LiX), (α, 7LiX), (α, 7BeX), E=25.4, 45.5, 57.8 MeV; measured light charged particle spectra, σ, σ(E, θ), (charged-particle)n-coin, neutron multiplicities vs energy and angle; deduced reaction mechanism features. Comparison with model predictions and previous results.

doi: 10.1016/j.nuclphysa.2006.04.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1417.


2005DE44      Nucl.Phys. A758, 627c (2005)

P.Demetriou, M.Samyn, S.Goriely

Fission properties relevant to r-process nucleosynthesis

NUCLEAR REACTIONS 231Pa, 233,234,238U, 239Pu, 248Cm(n, F), E(cm)=0-5 MeV; calculated fission σ. Comparison with data.

RADIOACTIVITY 232,234,236,238,240U, 238,240,242,244,246Pu, 242,244,246,248,250Cm, 250,252Cf(SF); calculated fission T1/2.

doi: 10.1016/j.nuclphysa.2005.05.113
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2005DE47      Phys.Rev. C 72, 034607 (2005)

P.Demetriou, Ch.Dufauquez, Y.El Masri, A.J.Koning

Light charged-particle production from proton- and α-induced reactions on natSi at energies from 25 to 65 MeV: A theoretical analysis

NUCLEAR REACTIONS Si(p, pX), (p, dX), (p, tX), (p, 3HeX), (p, αX), (α, pX), (α, dX), (α, tX), (α, 3HeX), (α, αX), E=25-65 MeV; measured light charged particle spectra, σ(E, θ); deduced reaction mechanism features. Comparison with model predictions.

doi: 10.1103/PhysRevC.72.034607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1296.


2005GO32      Nucl.Phys. A758, 587c (2005)

S.Goriely, P.Demetriou, H.-Th.Janka, J.M.Pearson, M.Samyn

The r-process nucleosynthesis: a continued challenge for nuclear physics and astrophysics

doi: 10.1016/j.nuclphysa.2005.05.107
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2005HA49      Nucl.Phys. A758, 505c (2005)

S.Harissopulos, A.Spyrou, A.Lagoyannis, Ch.Zarkadas, H.-W.Becker, C.Rolfs, F.Strieder, J.W.Hammer, A.Dewald, K.-O.Zell, P.von Brentano, R.Julin, P.Demetriou, S.Goriely

Systematic measurements of proton- and alpha-capture cross sections relevant to the modelling of the p process

NUCLEAR REACTIONS 92Mo(α, γ), E=9 MeV; 91Zr(α, γ), E=10.5 MeV; 118Sn(α, γ), E=11.5 MeV; measured Eγ, Iγ. 91Zr, 118Sn(α, γ), E(cm) ≈ 9-11 MeV; measured σ. Comparison with model predictions.

doi: 10.1016/j.nuclphysa.2005.05.092
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1415.


2005HA56      J.Phys.(London) G31, S1417 (2005)

S.Harissopulos, A.Lagoyannis, A.Spyrou, Ch.Zarkadas, S.Galanopoulos, G.Perdikakis, H.-W.Becker, C.Rolfs, F.Strieder, R.Kunz, M.Fey, J.W.Hammer, A.Dewald, K.-O.Zell, P.von Brentano, R.Julin, P.Demetriou

Proton and alpha-particle capture reactions at sub-Coulomb energies relevant to the p process

NUCLEAR REACTIONS 104Pd(p, γ), E(cm)=2-8 MeV; 118Sn(α, γ), E(cm)=10-11 MeV; measured Eγ, Iγ, σ. Comparison with model predictions.

doi: 10.1088/0954-3899/31/10/006
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1291.


2004MA42      Acta Phys.Pol. B35, 767 (2004)

A.Marcinkowski, P.Demetriou

Multistep direct processes in neutron scattering at 26 MeV

NUCLEAR REACTIONS 93Nb(n, n'), (n, xn), E=26 MeV; calculated one-step and multistep direct reactions σ(En). Feshbach-Kerman-Koonin framework, comparison with data.


2004MA75      Eur.Phys.J. A 21, 287 (2004)

A.Marcinkowski, P.Demetriou

Multistep direct emission from nucleon-induced reactions

NUCLEAR REACTIONS 90Zr(p, nX), E=25, 120 MeV; 54Fe(p, pX), E=61.7 MeV; calculated En, σ(E), multistep contributions. 90Zr(p, n), E=25, 45, 80, 120 MeV; calculated integrated σ. Contribution from 1p1h unbound states discussed. Comparison with data.

doi: 10.1140/epja/i2003-10208-x
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2004TS06      Phys.Rev. C 70, 015802 (2004)

P.Tsagari, M.Kokkoris, E.Skreti, A.G.Karydas, S.Harissopulos, T.Paradellis, P.Demetriou

Cross section measurements of the 89Y(p, γ)90Zr reaction at energies relevant to p-process nucleosynthesis

NUCLEAR REACTIONS 89Y(p, γ), E=1.7-4.8 MeV; measured Eγ, Iγ, total σ; deduced astrophysical S-factors, reaction rates. Comparison with statistical model predictions.

doi: 10.1103/PhysRevC.70.015802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1182.


2003DE01      Nucl.Phys. A714, 75 (2003)

P.Demetriou, A.Marcinkowski

Multistep charge-exchange reactions at energies up to 120 MeV

NUCLEAR REACTIONS 90Zr(p, n), E=25, 45, 80, 120 MeV; calculated multistep-direct σ. 90Zr(p, xn), E=25, 45, 80, 120 MeV; calculated σ(En), reaction mechanism features. Comparison with data.

doi: 10.1016/S0375-9474(02)01364-7
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2003DE27      Nucl.Phys. A718, 510c (2003)

P.Demetriou, C.Grama, S.Goriely

Improved Global α-Optical Model Potential at Low Energies

NUCLEAR REACTIONS 58Ni, 70Ge, 90Zr, 144Sm, 208Pb(α, X), E(cm)=0-150 MeV; calculated optical model potential, volume integrals. 144Sm(α, γ), E(cm)=9-13.5 MeV; calculated astrophysical S-factor. A=20-200; calculated Maxwellian-averaged α-capture rates.

doi: 10.1016/S0375-9474(03)00827-3
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2003GA01      Phys.Rev. C 67, 015801 (2003)

S.Galanopoulos, P.Demetriou, M.Kokkoris, S.Harissopulos, R.Kunz, M.Fey, J.W.Hammer, Gy.Gyurky, Zs.Fulop, E.Somorjai, S.Goriely

The 88Sr(p, γ)89Y reaction at astrophysically relevant energies

NUCLEAR REACTIONS 88Sr(p, γ), E=1.4-5 MeV; measured Eγ, Iγ, angular distributions, total σ; deduced astrophysical S-factors, reaction rates. Comparison with model predictions.

doi: 10.1103/PhysRevC.67.015801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1054.


2003GY01      Nucl.Phys. A718, 599c (2003)

Gy.Gyurky, Zs.Fulop, E.Somorjai, Z.Elekes, M.Kokkoris, S.Galanopoulos, P.Demetriou, S.Harissopulos, S.Goriely, T.Rauscher

Se(p, γ) Cross Section Measurements for p-process Studies

NUCLEAR REACTIONS 74,76Se(p, γ), E=1.3-3.6 MeV; 82Se(p, n), E=1.3-3.6 MeV; measured σ; deduced astrophysical S-factors. Activation technique, comparison with model predictions.

doi: 10.1016/S0375-9474(03)00897-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0849.


2003GY02      Phys.Rev. C 68, 055803 (2003)

Gy.Gyurky, Zs.Fulop, E.Somorjai, M.Kokkoris, S.Galanopoulos, P.Demetriou, S.Harissopulos, T.Rauscher, S.Goriely

Proton induced reaction cross section measurements on Se isotopes for the astrophysical p process

NUCLEAR REACTIONS 74,76Se(p, γ), 82Se(p, n), E=1.3-3.6 MeV; measured σ; deduced S-factors, astrophysical reaction rates. Activation method, comparison with model predictions.

doi: 10.1103/PhysRevC.68.055803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0849.


2003HA32      Nucl.Phys. A719, 115c (2003)

S.Harissopulos, S.Galanopoulos, P.Demetriou, A.Spyrou, G.Kriembardis, M.Kokkoris, A.G.Karydas, Ch.Zarkadas, R.Kunz, M.Fey, J.W.Hammer, G.Gyurky, Zs.Fulop, E.Somorjai, A.Dewald, K.O.Zell, P.von Brentano, R.Julin, S.Goriely

A systematic study of proton capture reactions in the Se-Sb region at energies relevant to the p process

NUCLEAR REACTIONS 80Se, 86Sr, 93Nb, 103Rh(p, γ), E(cm) ≈ 1.5-4.5 MeV; measured Eγ, σ; deduced astrophysical S-factors.

doi: 10.1016/S0375-9474(03)00978-3
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2002DE01      Nucl.Phys. A697, 171 (2002)

P.Demetriou, A.Marcinkowski, B.Marianski

Multistep Processes in Charge-Exchange Reactions

NUCLEAR REACTIONS 65Cu(p, n), E=27 MeV; 100Mo(p, n), E=26 MeV; calculated σ, σ(θ), neutron spectra; deduced multistep contributions. Comparisons with data.

doi: 10.1016/S0375-9474(01)01243-X
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2002DE37      Nucl.Phys. A707, 253 (2002)

P.Demetriou, C.Grama, S.Goriely

Improved Global α-Optical Model Potentials at Low Energies

NUCLEAR REACTIONS 40Ca, 56Ni, 70Ge, 90Zr, 92Mo, 140Ce, 141Pr, 144Sm, 208Pb(α, α), E ≈ 13-32 MeV; calculated σ(θ). 37Cl, 42Ca, 56Fe, 58,62,64Ni, 70Ge, 106Cd, 144Sm(α, γ), E(cm) ≈ 2-20 MeV; 27Al, 35Cl, 45Sc, 46,48Ti, 50Cr, 51V, 54Fe, 59Co(α, n), E(cm) ≈ 4-20 MeV; 39K, 42,43,44Ca, 44Ti, 53Cr, 54Fe, 56,62Ni, 64Zn, 92Mo, 106Cd(α, p), E(cm) ≈ 4-25 MeV; 48,50Ti, 51V, 52Cr, 54Fe, 59Co, 64,68Zn, 90,94Zr, 112Cd, 147Sm(n, α), E(cm) ≈ 4-20 MeV; calculated σ. Global α-nucleus optical potential, comparisons with data.

doi: 10.1016/S0375-9474(02)00756-X
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2002DE40      Nucl.Phys. A707, 354 (2002)

P.Demetriou, A.Marcinkowski, B.Marianski

Multistep Proton Scattering-Towards Higher Energies

NUCLEAR REACTIONS 54Fe(p, p'), E=39 MeV; 54Fe(p, pX), E=29, 39, 62 MeV; calculated Ep, σ(E), multistep contributions.

doi: 10.1016/S0375-9474(02)01005-9
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2002LA08      Phys.Rev. C65, 034004 (2002)

M.Lacombe, B.Loiseau, R.Vinh Mau, P.Demetriou, J.P.B.C.de Melo, C.Semay

Testing the Quark Cluster Model in Nucleon-Nucleon Scattering

NUCLEAR REACTIONS 1H(p, p), E=68 MeV; 1H(n, n), E=96, 200 MeV; calculated σ(θ). 1H(p, p), E=200 MeV; 1H(n, n), E=68, 261 MeV; calculated polarization, spin correlation parameters. Quark cluster model, comparisons with data.

doi: 10.1103/PhysRevC.65.034004
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2002MA84      Acta Phys.Hung.N.S. 16, 35 (2002)

A.Marcinkowski, P.Demetriou, B.Marianski

Multistep Direct Reactions at Low Energies

NUCLEAR REACTIONS 93Nb(n, n'), E=20 MeV; 65Cu(p, n), E=20 MeV; calculated En, σ(θ). Multistep direct reaction theory, comparison with data.

doi: 10.1556/APH.16.2002.1-4.5
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2001BO02      Nucl.Phys. A680, 80c (2001)

S.Boffi, P.Demetriou, M.Radici, R.F.Wagenbrunn

Electromagnetic Properties of Hadrons in a Chiral Constituent-Quark Model

NUCLEAR STRUCTURE 1n, 1H; calculated μ. 1H; calculated magnetic form factor vs momentum transfer. Chiral constituent quark model, comparisons with data.

doi: 10.1016/S0375-9474(00)00393-6
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2001DE31      Nucl.Phys. A688, 584c (2001)

P.Demetriou, S.Goriely

Microscopic Nuclear Level Densities and Astrophysical Applications

NUCLEAR STRUCTURE 208Pb; calculated level density vs excitation energy. Hartree-Fock-BCS method, comparison with data.

NUCLEAR REACTIONS 89Y, 92Mo(p, γ), E=1-5 MeV; calculated σ following refined calculation of level density. Comparison with data, Statistical Model.

doi: 10.1016/S0375-9474(01)00796-5
Citations: PlumX Metrics


2001DE40      Acta Phys.Pol. B32, 3003 (2001)

P.Demetriou, A.Marcinkowski, B.Marianski

Multistep Direct Reactions of 14 MeV Neutrons

NUCLEAR REACTIONS 93Nb(n, n'), (n, xn), E=14.1 MeV; calculated σ(E), σ(θ), one-step and multi-step components. Comparisons with data.


2001DE45      Nucl.Phys. A695, 95 (2001)

P.Demetriou, S.Goriely

Microscopic Nuclear Level Densities for Practical Applications

NUCLEAR STRUCTURE 29Si, 45Ca, 54Cr, 60Co, 62Ni, 72Ga, 81Se, 87Sr, 93,96Mo, 104Rh, 111Cd, 118Sn, 127Te, 131Ba, 143Ce, 148Sm, 155Eu, 162Dy, 170Tm, 177Lu, 183W, 192Ir, 208,209Pb, 210Bi, 238U; calculated level density distributions. Global microscopic model.

doi: 10.1016/S0375-9474(01)01095-8
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2001GY04      Phys.Rev. C64, 065803 (2001)

Gy.Gyurky, E.Somorjai, Zs.Fulop, S.Harissopulos, P.Demetriou, T.Rauscher

Proton Capture Cross Section of Sr Isotopes and Their Importance for Nucleosynthesis of Proton-Rich Nuclides

NUCLEAR REACTIONS 84,86,87Sr(p, γ), E(cm) ≈ 1470-2960 keV; measured capture σ; deduced astrophysical S-factors, reaction rates. Activation technique.

doi: 10.1103/PhysRevC.64.065803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0426.


2001HA38      Nucl.Phys. A688, 421c (2001)

S.Harissopulos, S.Galanopoulos, P.Tsagari, P.Demetriou, G.Kuburas, T.Paradellis, R.Kunz, J.W.Hammer, G.Gyurky, E.Somorjai, S.Goriely, S.Kasemann, A.Dewald, K.O.Zell

Cross Sections of (p, γ) Reactions of N = 50 Nuclei Relevant to p-Process

NUCLEAR REACTIONS 88Sr, 89Y(p, γ), E=1.5-3.5 MeV; measured Eγ, σ. Comparison with Statistical Model calculations and with neighboring nuclei.

doi: 10.1016/S0375-9474(01)00743-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2150.


2001HA60      Phys.Rev. C64, 055804 (2001)

S.Harissopulos, E.Skreti, P.Tsagari, G.Souliotis, P.Demetriou, T.Paradellis, J.W.Hammer, R.Kunz, C.Angulo, S.Goriely, T.Rauscher

Cross Section Measurements of the 93Nb(p, γ)94Mo Reaction at Ep = 1.4-4.9 MeV Relevant to the Nucleosynthetic p Process

NUCLEAR REACTIONS 93Nb(p, γ), E=1.4-4.9 MeV; measured Eγ, Iγ, total σ; deduced astrophysical reaction rates. Comparison with model predictions.

doi: 10.1103/PhysRevC.64.055804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0918.


2001MA71      Nucl.Phys. A694, 312 (2001)

A.Marcinkowski, P.Demetriou, B.Marianski

Cross Sections for Multistep Direct Neutron Scattering on Niobium

NUCLEAR REACTIONS 93Nb(n, xn), E=20, 26 MeV; calculated σ(E), σ(θ). Multistep direct reactions, comparison with data.

doi: 10.1016/S0375-9474(01)00924-1
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2000DE51      Phys.Lett. 493B, 281 (2000)

P.Demetriou, A.Marcinkowski, B.Marianski

Multistep Direct Reactions at Low Energies

NUCLEAR REACTIONS 93Nb(n, n'), E=26 MeV; calculated σ(E); deduced multistep contributions, related reaction mechanism features. Comparison with data.

doi: 10.1016/S0370-2693(00)01169-2
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2000SK02      Trans.Bulg.Nucl.Soc. 5, 198 (2000)

E.Skreti, P.Tsagari, G.A.Souliotis, P.Demetriou, S.Harissopulos, T.Paradellis

Cross Section Measurements of the 6Li(p, γ)7Be Reaction

NUCLEAR REACTIONS 6Li(p, γ), E=0.8 MeV; measured σ. Large-angle NaI array.


2000TS05      Trans.Bulg.Nucl.Soc. 5, 195 (2000)

P.Tsagari, E.Skreti, G.A.Souliotis, P.Demetriou, S.Harissopulos, T.Paradellis, J.W.Hammer, R.Kunz, C.Angulo, S.Goriely, T.Rauscher

Cross Section Measurements of the 89Y(p, γ)90Zr Reaction in the Energy Range Ep = 1.6-2.4 MeV

NUCLEAR REACTIONS 89Y(p, γ), E=1.6-2.4 MeV; measured Eγ, Iγ, total σ. 90Zr deduced levels, J, π. Comparison with statistical model.


2000WA30      Eur.Phys.J. A 8, 385 (2000)

R.F.Wagenbrunn, M.Radici, S.Boffi, P.Demetriou

Nucleon Magnetic Moments in an Extended Chiral Constituent Quark Model

NUCLEAR STRUCTURE 1H, 1n; calculated magnetic moment. Goldstone boson exchange model. Comparison with data.

doi: 10.1007/s100530050048
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1999BO30      Phys.Rev. C60, 025206 (1999)

S.Boffi, P.Demetriou, M.Radici, R.F.Wagenbrunn

Nucleon Form Factors in a Chiral Constituent-Quark Model

NUCLEAR STRUCTURE 1n, 1H; calculated electromagnetic form factors. Chiral constituent-quark model.

doi: 10.1103/PhysRevC.60.025206
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1999DE08      Nucl.Phys. A650, 199 (1999)

P.Demetriou, A.Gil, S.Boffi, C.Giusti, E.Oset, F.D.Pacati

Comparison of Monte Carlo Simulation and Direct Multistep Scattering Theory in (e, e'p) Nuclear Reactions

NUCLEAR REACTIONS 40Ca(e, e'p), E=497 MeV; calculated σ(Ep, θ). Comparison of Monte Carlo, direct multistep methods for final state interaction.

doi: 10.1016/S0375-9474(99)00108-6
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1998BO24      Nucl.Phys. A637, 585 (1998)

S.Boffi, F.Capuzzi, P.Demetriou, M.Radici

Semi-Relativistic Charge-Current Density Operator

doi: 10.1016/S0375-9474(98)00417-5
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1998DE22      Nucl.Phys. A634, 57 (1998)

P.Demetriou, S.Boffi, C.Giusti, F.D.Pacati

Charge-Exchange and Multi-Scattering Effects in (e, e'n) Knockout

NUCLEAR REACTIONS 40Ca(e, e'n), E not given; calculated σ(E, θ); deduced two-, three-step charge exchange processes contributions. Multistep direct theory.

doi: 10.1016/S0375-9474(98)00149-3
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1998MA25      Nucl.Phys. A633, 446 (1998)

A.Marcinkowski, B.Marianski, Z.Moroz, J.Wojtkowska, P.Demetriou

Nucleon Scattering to the Continuum in Terms of the Two-Fermion Theory of Multistep Direct Reactions

NUCLEAR REACTIONS 93Nb(p, xp), E=26.5 MeV; measured σ(E', θ). 93Nb(p, xp), (n, xn), E=18-26 MeV; analyzed σ(E'), σ(E', θ). Statistical multistep theory.

doi: 10.1016/S0375-9474(98)00128-6
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1997CO05      Phys.Rev. C55, 1843 (1997)

A.A.Cowley, G.J.Arendse, G.F.Steyn, J.A.Stander, W.A.Richter, S.S.Dimitrova, P.Demetriou, P.E.Hodgson

Inclusive (p, 3He) Reactions on 59Co and 197Au at Incident Energies of 120, 160, and 200 MeV

NUCLEAR REACTIONS 59Co, 197Au(p, 3He), E=120, 160, 200 MeV; measured σ(θ) vs E; deduced multi-step mechanisms role. Statistical multi-step direct reaction theory.

doi: 10.1103/PhysRevC.55.1843
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1997DE47      Nucl.Phys. A625, 513 (1997)

P.Demetriou, S.Boffi, C.Giusti, F.D.Pacati

Multi-Scattering Effects in (e, e'p) Knockout

NUCLEAR REACTIONS 40Ca(e, e'p), E=497 MeV; calculated σ(θ, Ee, Ep); deduced multistep processes role. Comparisons with experiment.

doi: 10.1016/S0375-9474(97)00406-5
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1997HO27      Nuovo Cim. 110A, 967 (1997)

P.E.Hodgson, P.Demetriou, S.S.Dimitrova

Analysis of (p, α) and (p, 3He) Cross-Sections to Continuum States by the Feshbach-Kerman-Koonin Multistep Direct Theory

NUCLEAR REACTIONS 93Nb, 118Sn(p, α), E=44.3 MeV; 59Co(p, α), E=120, 160 MeV; 59Co, 197Au(p, 3He), E=120, 160, 200 MeV; analyzed σ(E, θ); deduced clustering role in reaction mechanism.

doi: 10.1007/BF03035934
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1996CO12      Phys.Rev. C54, 778 (1996)

A.A.Cowley, G.J.Arendse, J.W.Koen, W.A.Richter, J.A.Stander, G.F.Steyn, P.Demetriou, P.E.Hodgson, Y.Watanabe

Inclusive (p, α) Reactions on 27Al, 59Co, and 197Au at Incident Energies of 120, 160, and 200 MeV

NUCLEAR REACTIONS 27Al, 59Co, 197Au(p, α), E=120, 160, 200 MeV; measured σ(Eα, θ); deduced higher-step contributions role. Multi-step DWBA analysis.

doi: 10.1103/PhysRevC.54.778
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1996DE01      Nucl.Phys. A596, 67 (1996)

P.Demetriou, A.Marcinkowski, P.E.Hodgson

A New Multistep Direct Reaction Mechanism: Collective excitations in the continuum

NUCLEAR REACTIONS 56Fe, 58Ni, 90Zr, 93Nb, 208Pb, 209Bi(n, n'), E=14.1 MeV; analyzed σ(θ, En); deduced collective components role. Multi-step compound, direct mechanisms, collective excitations.

doi: 10.1016/0375-9474(95)00378-9
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1996DE23      J.Phys.(London) G22, 629 (1996)

P.Demetriou, P.E.Hodgson, A.Marcinkowski, Y.Watanabe

A Consistent Analysis of (n, n'), (p, p'), (n, p) and (p, n) Multistep Reactions using the Feshbach-Kerman-Koonin Theory

NUCLEAR REACTIONS 63,65Cu(n, p), E=14.8 MeV; 93Nb(n, p), E=14.1 MeV; 93Nb(n, n'), (p, p'), 98Mo(p, p'), E=18, 25.6 MeV; analyzed σ(θ, E). Feshbach-Kerman-Koonin multi-step reaction theory.

doi: 10.1088/0954-3899/22/5/010
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1996DE58      J.Phys.(London) G22, 1813 (1996)

P.Demetriou, P.E.Hodgson

The Energy Dependence of the Proton-Alpha Reaction to Continuum States

NUCLEAR REACTIONS 165Ho, 93Nb(p, α), E=19.9-44.3 MeV; 169Tm(p, α), E=29.7-44.3 MeV; 118Sn(p, α), E=25.1-44.3 MeV; analyzed σ(θ, Eα). Feshbach-Kerman-Koonin multi-step theory, knockout model. Hauser-Feshbach theory.

doi: 10.1088/0954-3899/22/12/012
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1996GU03      Z.Phys. A354, 53 (1996)

P.Guazzoni, L.Zetta, P.Demetriou, P.E.Hodgson

Multistep Direct Analysis of (p, α) Reactions to the Continuum

NUCLEAR REACTIONS 90,91Zr(p, α), E=24.02 MeV; 142,143Nd(p, α), E=23.1 MeV; measured σ(θ, Eα); deduced angle integrated σ, unpaired neutron spectators, pairing effects roles. Hauser-Feshbach, Feshbach-Kerman-Koonin theories, multi-step direct analysis.

doi: 10.1007/s002180050012
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1996MA46      J.Phys.(London) G22, 1219 (1996)

A.Marcinkowski, P.Demetriou, P.E.Hodgson

Pre-Equilibrium and Collective Reactions in Neutron Inelastic Scattering by the Rotational Nuclei 184,186W

NUCLEAR REACTIONS 184W(n, n'), E=26 MeV; 186W(n, n'), E=14.1 MeV; analyzed angle integrated σ vs E(n), σ(θ).

doi: 10.1088/0954-3899/22/8/010
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1995MA47      J.Phys.(London) G21, 1089 (1995)

A.Marcinkowski, P.Demetriou, P.E.Hodgson

Are Pre-Equilibrium Reactions Mainly Direct ( Question )

NUCLEAR REACTIONS 49Ti, 58Fe(p, n), E=9.6, 14 MeV; 63Cu(p, n), E=14.8 MeV; 169Tm, 159Tb(p, xn), E=18 MeV; 98Mo(p, xn), (p, n), 100Mo(p, n), E=25.6 MeV; 65Cu(p, xn), E=26.7 MeV; calculated σ(θ, En); deduced preequilibrium process dominance over direct process conditions, model parameters. Multi-step, statistical direct reaction approaches.

doi: 10.1088/0954-3899/21/8/007
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1995MA67      Phys.Rev. C52, 2021 (1995)

A.Marcinkowski, B.Marianski, P.Demetriou, P.E.Hodgson

Collective Reactions to the Continuum in Neutron Scattering by Niobium

NUCLEAR REACTIONS 93Nb(n, xn), E=14-26 MeV; analyzed σ(θ, En), angle integrated σ. Combined multi-step direct, compound plus preequilibrium components.

doi: 10.1103/PhysRevC.52.2021
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1995OL01      J.Phys.(London) G21, 361 (1995)

H.B.Olaniyi, P.Demetriou, P.E.Hodgson

Analysis of the (p, α) Reaction using the Pre-Equilibrium Multi-Step Direct Feshbach-Kerman-Koonin Theory

NUCLEAR REACTIONS 93Nb, 118Sn, 107Ag, 169Tm(p, α), E ≈ 8-40 MeV; analyzed σ(θ, Eα); deduced no multi-step compound emission evidence. Feshbach-Kerman-Koonin theory.

doi: 10.1088/0954-3899/21/3/011
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1994DE41      J.Phys.(London) G20, 1779 (1994)

P.Demetriou, P.Kanjanarat, P.E.Hodgson

FKK Analysis of 14 MeV Neutron-Induced Reactions

NUCLEAR REACTIONS 51V, 93Nb, 56Fe, Zr, 93Nb, Sb, Mo(n, n'), E=14.1 MeV; analyzed σ(θ). Feshbach-Kerman-Koonin model.

doi: 10.1088/0954-3899/20/11/007
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1993DE39      J.Phys.(London) G19, L193 (1993)

P.Demetriou, P.Kanjanarat, P.E.Hodgson

Analysis of the Multistep Direct Component of 14 MeV Neutron Inelastic Scattering

NUCLEAR REACTIONS 93Nb(n, n'), (n, 2n), E=14.1 MeV; calculated σ(θn, En), angle integrated σ(E); deduced effective finite-range Yukawa interaction mean value. Feshbach-Kerman-Koonin multi-step direct theory.

doi: 10.1088/0954-3899/19/12/003
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