NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = P.Dimitriou Found 73 matches. 2023NI05 Eur.Phys.J. A 59, 78 (2023) A.L.Nichols, P.Dimitriou, A.Algora, M.Fallot, L.Giot, F.G.Kondev, T.Yoshida, M.Karny, G.Mukherjee, B.C.Rasco, K.P.Rykaczewski, A.A.Sonzogni, J.L.Tain Improving fission-product decay data for reactor applications: part I-decay heat NUCLEAR REACTIONS 235U, 238,239,240,241,242Pu, 241,242,243Am, 243,245Cm(n, F), E thermal; 232Th, 233,238U, 237Np(n, F), E fast; analyzed available data; deduced decay heat. Total Absorption Gamma-ray Spectroscopy (TAGS - sometimes abbreviated to TAS) and Discrete Gamma-ray Spectroscopy (DGS). This review has been carried out following similar work performed under the auspices of OECD/WPEC-Subgroup 25 (2005-2007) and the International Atomic Energy Agency (2009, 2014), and various highly relevant TAGS measurements completed as a consequence of such assessments.
doi: 10.1140/epja/s10050-023-00969-x
2023SI22 Nucl.Data Sheets 192, 315 (2023) B.Singh, M.S.Basunia, J.Chen, P.Dimitriou, B.M.S.Amro, S.Basu, S.Das, A.Karmakar, M.J.Lazaric, S.R.Leblond, S.S.Nayak, C.Ngwetsheni, A.Rathi, P.S.Rawat, B.Rohila, V.Vallet Nuclear Structure and Decay Data for A=222 Isobars COMPILATION 222Po, 222At, 222Rn, 222Fr, 222Ra, 222Ac, 222Th, 222Pa, 222U, 222Np; compiled, evaluated nuclear structure data.
doi: 10.1016/j.nds.2023.10.002
2021DI04 Nucl.Data Sheets 173, 144 (2021) P.Dimitriou, I.Dillmann, B.Singh, V.Piksaikin, K.P.Rykaczewski, J.L.Tain, A.Algora, K.Banerjee, I.N.Borzov, D.Cano-Ott, S.Chiba, M.Fallot, D.Foligno, R.Grzywacz, X.Huang, T.Marketin, F.Minato, G.Mukherjee, B.C.Rasco, A.Sonzogni, M.Verpelli, A.Egorov, M.Estienne, L.Giot, D.Gremyachkin, M.Madurga, E.A.McCutchan, E.Mendoza, K.V.Mitrofanov, M.Narbonne, P.Romojaro, A.Sanchez-Caballero, N.D.Scielzo Development of a Reference Database for Beta-Delayed Neutron Emission COMPILATION Z=2-87; compiled β-delayed neutron emission data; deduced total delayed neutron yields, time-dependent group parameters in 6- and 8-group representation, and aggregate delayed neutron spectra.
doi: 10.1016/j.nds.2021.04.006
2021HA34 Phys.Rev. C 104, 025804 (2021) S.Harissopulos, E.Vagena, P.Dimitriou, M.Axiotis, S.Galanopoulos, V.Foteinou, A.Lagoyannis Cross section measurements of proton capture reactions on Sr isotopes for astrophysics applications NUCLEAR REACTIONS 86,87,88Sr(p, γ)87Y/88Y/89Y, E=1.5-5 MeV; measured Eγ, Iγ, γ(θ), 4π γ-summing, σ(E, Eγ) at the 4 MV Dynamitron of University of Stuttgart, or Dynamitron-Tandem-Laboratorium (DTL) of Ruhr-Universitat, Bochum. 87,88,89Y; deduced levels, J, π, astrophysical S factors. 84,86,87,88Sr(p, γ)85Y/85mY/87Y/87mY/88Y/89Y/89mY, E=1.3-3.8 MeV; analyzed present and previous experimental data; deduced σ(E) and astrophysical S factors, and compared with Hauser-Feshbach (HF) theoretical calculations using TALYS 1.95 with combinations of optical model parameters (OMP), nuclear level density (NLD) models, and γ-strength functions (γSF) models. Discussed uncertainties arising from global nuclear models for a wide range of relevant nuclei. Relevance to discrepancies between the observed abundances of p-nuclei in the solar system and those predicted by different astrophysical models of the p-process.
doi: 10.1103/PhysRevC.104.025804
2021VA04 Phys.Rev. C 103, 045806 (2021) E.Vagena, M.Axiotis, P.Dimitriou Systematics of the semimicroscopic proton-nucleus optical potential at low energies relevant for nuclear astrophysics NUCLEAR REACTIONS 47,48,49Ti, 51V, 53,54Cr, 58Fe, 59Co, 60,61Ni, 65Cu, 74Ge, 77Se, 86,87,88Sr, 89Y, 92Zr, 92,94,96,98Mo, 98Ru, 104,106Pd, 108Cd, 120Te, 130Ba, 152Gd, 162Er(p, γ), E=1-6 MeV; calculated σ(E) using all possible γ-strength functions γSFs (Kopecky-Uhl, Brink-Axel, HFBCS/QRPA, HFB/QRPA, hybrid-Goriely, HFB/T, RMF/T, DIM/HFB/QRPA) and all possible nuclear density (NLDs) models (CTFG, BSF, GSM, HFBCS, HFB, HFB/T) available in TALYS code; deduced proton-nucleus optical model potentials (pOMPs); compared experimental data for cross sections with TALYS calculations using standard JLM/B potentials, and adjusted JLM/B pOMPs. 49Ti, 51V, 53,54Cr, 55Mn, 57,58Fe, 59Co, 65Cu, 67Zn, 71Ga, 76Ge, 75As, 77,80,82Se, 79,81Br, 85,87Rb, 87Sr, 92,94,96Zr, 93Nb, 95,96,98,100Mo, 103Rh, 110Pd, 107,109Ag, 111,116Cd, 115In, 117,119,122,124Sn, 128,130Te, 127I, 139La, 142Ce, 147,149Sm, 151,153Eu, 169Tm, 181Ta(p, n), E=1.2-5.6 MeV; calculated σ(E) using TALYS code with standard JLM/B potentials, and adjusted JLM/B pOMPs, and compared with experimental data; deduced ratios of Maxwellian-averaged cross sections (MACS) between the modified and default JLM model at 1.5 and 3 GK. Hauser-Feshbach calculations using the TALYS nuclear reaction code. 47,48,49Ti, 51V, 59Co, 77Se, 98Ru, 120,122Sn, 125,126Te, 130Ba, 142Nd, 144Sm, 197Au(p, γ); 58Fe, 67Zn, 69Ga, 87Rb, 94,96Zr, 100Mo, 128Te, 139La, 142Ce, 153Eu, 196Pt, 197Au(p, n); recommended reactions for measurement of cross sections at low energies, where available experimental data found to be either problematic or non-existent. Relevance to astrophysical models studying the origin of the neutron-deficient nuclides by rp and p processes.
doi: 10.1103/PhysRevC.103.045806
2020KA09 Nucl.Data Sheets 163, 109 (2020) T.Kawano, Y.S.Cho, P.Dimitriou, D.Filipescu, N.Iwamoto, V.Plujko, X.Tao, H.Utsunomiya, V.Varlamov, R.Xu, R.Capote, I.Gheorghe, O.Gorbachenko, Y.L.Jin, T.Renstrom, M.Sin, K.Stopani, Y.Tian, G.M.Tveten, J.M.Wang, T.Belgya, R.Firestone, S.Goriely, J.Kopecky, M.Krticka, R.Schwengner, S.Siem, M.Wiedeking IAEA Photonuclear Data Library 2019
doi: 10.1016/j.nds.2019.12.002
2019FO13 Eur.Phys.J. A 55, 67 (2019) V.Foteinou, M.Axiotis, S.Harissopulos, P.Dimitriou, G.Provatas, A.Lagoyannis, H.-W.Becker, D.Rogalla, A.Zilges, A.Schreckling, A.Endres Cross section measurements of proton capture reactions on Mo isotopes relevant to the astrophysical p process NUCLEAR REACTIONS 92,94,96,97,98,100Mo(p, γ), E=2-6.2 MeV; measured Eγ, Iγ using 4π γ-summing detector; deduced γ-ray energy spectra, total σt, partial σgs and to metastable state σm and astrophysical S-factors St, Sgs, Sm vs E(cm); calculated σ's, S-factors vs E(cm) using TALYS-1.9 code; deduced nucleon-nucleus and α-particle-nucleus optical model parameters; deduced stellar reaction rates of (p, γ) reactions vs temperature, compared to BRUSLIB values.
doi: 10.1140/epja/i2019-12738-x
2019GO30 Eur.Phys.J. A 55, 172 (2019) S.Goriely, P.Dimitriou, M.Wiedeking, T.Belgya, R.Firestone, J.Kopecky, M.Krticka, V.Plujko, R.Schwengner, S.Siem, H.Utsunomiya, S.Hilaire, S.Peru, Y.S.Cho, D.M.Filipescu, N.Iwamoto, T.Kawano, V.Varlamov, R.Xu Reference database for photon strength functions
doi: 10.1140/epja/i2019-12840-1
2019TH03 Eur.Phys.J. A 55, 92 (2019) I.J.Thompson, R.J.deBoer, P.Dimitriou, S.Kunieda, M.T.Pigni, G.Arbanas, H.Leeb, T.Srdinko, G.Hale, P.Tamagno, P.Archier Verification of R-matrix calculations for charged-particle reactions in the resolved resonance region for the 7Be system NUCLEAR REACTIONS 4He(3He, 3He)4He; 6Li(p, α0)3He; 6Li(p, p0)6Li, E* below 8 MeV; calculated σ using different R-code algorithms; compared results and possibilities both for total σ and for the individual l-waves.
doi: 10.1140/epja/i2019-12753-y
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
2018PL01 At.Data Nucl.Data Tables 123-124, 1 (2018) V.A.Plujko, O.M.Gorbachenko, R.Capote, P.Dimitriou Giant dipole resonance parameters of ground-state photoabsorption: Experimental values with uncertainties COMPILATION Z=3-92; compiled the updated values and corresponding uncertainties of Isovector Giant Dipole Resonance (GDR) parameters.
doi: 10.1016/j.adt.2018.03.002
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
2016SO03 Phys.Rev.Lett. 116, 132502 (2016) A.A.Sonzogni, E.A.McCutchan, T.D.Johnson, P.Dimitriou Effects of Fission Yield Data in the Calculation of Antineutrino Spectra for 235U (n, fission) at Thermal and Fast Neutron Energies RADIOACTIVITY 86,87,88Ge(β-) [from 235U(n, F)86Ge/87Ge/88Ge, E<20 MeV]; calculated Eβ, Iβ, antineutrino energies and spectra using corrected ENDF/B and JEFF evaluated nuclear libraries fission product yields.
doi: 10.1103/PhysRevLett.116.132502
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
2004MA42 Acta Phys.Pol. B35, 767 (2004) 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) 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
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
2003DE01 Nucl.Phys. A714, 75 (2003) 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
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
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
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
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
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
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
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
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
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
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
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
2001DE31 Nucl.Phys. A688, 584c (2001) 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
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) 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
1996DE58 J.Phys.(London) G22, 1813 (1996) 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
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
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
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
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
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
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
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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