NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Halfon Found 14 matches. 2024SA12 Phys.Rev. C 109, 025808 (2024) R.N.Sahoo, M.Paul, Y.Kashiv, M.Tessler, M.Friedman, S.Halfon, A.Kreisel, A.Shor, L.Weissman Stellar s-process neutron capture cross section of Ce isotopes
doi: 10.1103/PhysRevC.109.025808
2022PA36 Eur.Phys.J. A 58, 207 (2022) M.Paul, M.Tessler, M.Friedman, S.Halfon, L.Weissman The liquid-lithium target at the soreq applied research accelerator facility
doi: 10.1140/epja/s10050-022-00863-y
2022TE02 Phys.Rev. C 105, 035801 (2022) M.Tessler, M.Paul, S.Halfon, Y.Kashiv, D.Kijel, A.Kreisel, A.Shor, L.Weissman Stellar s-process neutron capture cross sections of 69, 71Ga NUCLEAR REACTIONS 69,71Ga(n, γ), kT ≈ 40 keV; measured Eγ, Iγ; deduced capture σ, Maxwellian averaged σ (MACS) for kT=30 keV using the energy dependence from ENDF/B-VIII.0, JENDL-4.0, JEFF-3.3, CENDL-3.2 and TENDL-2019 libraries. Activation technique. Neutron activation performed at the superconducting linear accelerator of the Soreq Applied Research Accelerator Facility (SARAF) using the 7Li(p, n) (Ep=1925 keV) reaction via LiLiT - liquid lithium target. Comparison to compiled and evaluated KADoNiS database, and previous experimental results. RADIOACTIVITY 70Ga(β-)[from 69Ga(n, γ), kT ≈ 40 keV]; measured Eγ, Iγ; deduced T1/2.
doi: 10.1103/PhysRevC.105.035801
2021TE06 Phys.Rev. C 104, 015806 (2021) M.Tessler, J.Zappala, S.Cristallo, L.Roberti, M.Paul, S.Halfon, T.Heftrich, W.Jiang, D.Kijel, A.Kreisel, M.Limongi, Z.-T.Lu, P.Muller, R.Purtschert, R.Reifarth, A.Shor, D.Veltum, D.Vescovi, M.Weigand, L.Weissman Stellar s-process neutron capture cross sections on 78, 80, 84, 86Kr determined via activation, atom trap trace analysis, and decay counting NUCLEAR REACTIONS 78,80,84,86Kr(n, γ)79Kr/79mKr/80Kr/81Kr/81mKr/84Kr/85Kr/85mKr/87Kr, kT=42.5 keV, quasi-Maxwellian; 80,86Kr(γ, n)79Kr/85mKr, E=14.6, 17.6 MeV; measured Eγ, Iγ, average σ(E), 81Kr/80Kr and 85Kr/84Kr isotopic ratios in (n, γ) reactions by activation method, Atom Trap Trace Analysis (ATTA) and decay counting at SARAF-LiLiT facility, Argonne National Laboratory and low-level counting (LLC) facility of the University of Bern; deduced Maxwellian-averaged cross sections (MACS) at kt=3-300 keV, and stellar reaction rates for s-process in 0.01-4 GK range for (n, γ) reactions. 197Au(n, γ)198Au, kT=42.5 keV; 197Au(γ, n)196Au, E=14.6, 17.6 MeV; measured Eγ, Iγ, used as monitor reactions. Comparison with previous experimental cross sections, and with data in JEFF-3.3 library. Discussed astrophysical implications, and impact on s-process calculations of abundances of krypton and neighboring nuclides. RADIOACTIVITY 79Kr(EC); 85mKr(IT); 85mKr, 87Kr(β-)[from 78,84,86Kr(n, γ), kT=42.5 keV]; measured half-lives from γ-decay curves and compared with evaluated data.
doi: 10.1103/PhysRevC.104.015806
2019GU28 Phys.Lett. B 797, 134809 (2019); Erratum Phys.Lett. B 802, 135268 (2020) C.Guerrero, M.Tessler, M.Paul, J.Lerendegui-Marco, S.Heinitz, E.A.Maugeri, C.Domingo-Pardo, R.Dressler, S.Halfon, N.Kivel, U.Koster, T.Palchan-Hazan, J.M.Quesada, D.Schumann, L.Weissman The s-process in the Nd-Pm-Sm region: Neutron activation of 147Pm NUCLEAR REACTIONS 147Pm, 197Au(n, γ), E ∼ 40 keV; measured reaction products, Eγ, Iγ; deduced Maxwellian averaged σ. Comparison with available data.
doi: 10.1016/j.physletb.2019.134809
2019PA01 Nucl.Instrum.Methods Phys.Res. B438, 77 (2019) S.Pavetich, A.Carey, L.K.Fifield, M.B.Froehlich, S.Halfon, A.Kinast, M.Martschini, D.Nelson, M.Paul, A.Shor, J.H.Sterba, M.Tessler, S.G.Tims, L.Weissman, A.Wallner 93Zr developments at the Heavy Ion Accelerator Facility at ANU NUCLEAR REACTIONS 92Zr(n, γ), E thermal; measured reaction products; deduced sensitivity and rejection of 93Nb background.
doi: 10.1016/j.nimb.2018.07.019
2019PA03 Phys.Rev. C 99, 015801 (2019) S.Pavetich, A.Wallner, M.Martschini, S.Akhmadaliev, I.Dillmann, K.Fifield, S.Halfon, T.Heftrich, F.Kappeler, C.Lederer-Woods, S.Merchel, M.Paul, R.Reifarth, G.Rugel, P.Steier, M.Tessler, S.Tims, M.Weigand, L.Weissman Accelerator mass spectrometry measurement of the reaction 35Cl (n, γ) 36Cl at keV energies NUCLEAR REACTIONS 35Cl(n, γ), kT=2-100 keV; measured Maxwellian averaged σ(E) (MACS) using neutron activation combined with accelerator mass spectrometry (AMS) technique; deduced 36Cl/35Cl ratios for three neutron irradiated samples, MACS at kt=30 keV, and stellar abundances of 35Cl, 36Cl and 36S. Neutron activations performed at the Karlsruhe Van de Graaff accelerator and at the superconducting linear accelerator of the Soreq Applied Research Accelerator Facility using the 7Li(p, n)7Be reaction. AMS measurements of the irradiated samples performed at the 3 MV Vienna Environmental Research Accelerator, the 6 MV tandem accelerator at the Dresden AMS facility, and the 14 UD tandem accelerator of the Australian National University in Canberra. Comparison with previous experimental values, NON-SMOKER and MOST theoretical calculations, compiled KADoNiS database, and evaluated libraries ENDF-B/VII.1, JEFF-3.2, JENDL-4.0 and TENDL-2015.
doi: 10.1103/PhysRevC.99.015801
2019PA22 Eur.Phys.J. A 55, 44 (2019) M.Paul, M.Tessler, M.Friedman, S.Halfon, T.Palchan, L.Weissman, A.Arenshtam, D.Berkovits, Y.Eisen, I.Eliahu, G.Feinberg, D.Kijel, A.Kreisel, I.Mardor, G.Shimel, A.Shor, I.Silverman Reactions along the astrophysical s-process path and prospects for neutron radiotherapy with the Liquid-Lithium Target (LiLiT) at the Soreq Applied Research Accelerator Facility (SARAF) NUCLEAR REACTIONS 7Li(p, n)7Be, E=1880.4 - 1.92 keV[reaction threshold]; measured thick-target Eγ, Iγ(θ) using the Liquid-Lithium Target (LiLiT) system with the Soreq Applied Research Accelerator Facility (SARAF) Phase I; deduced astrophysical s-process sequence of nuclei.
doi: 10.1140/epja/i2019-12723-5
2018MA39 Eur.Phys.J. A 54, 91 (2018) I.Mardor, O.Aviv, M.Avrigeanu, D.Berkovits, A.Dahan, T.Dickel, I.Eliyahu, M.Gai, I.Gavish-Segev, S.Halfon, M.Hass, T.Hirsh, B.Kaiser, D.Kijel, A.Kreisel, Y.Mishnayot, I.Mukul, B.Ohayon, M.Paul, A.Perry, H.Rahangdale, J.Rodnizki, G.Ron, R.Sasson-Zukran, A.Shor, I.Silverman, M.Tessler, S.Vaintraub, L.Weissman The Soreq Applied Research Accelerator Facility (SARAF): Overview, research programs and future plans
doi: 10.1140/epja/i2018-12526-2
2018TE04 Phys.Rev.Lett. 121, 112701 (2018) M.Tessler, M.Paul, S.Halfon, B.S.Meyer, R.Pardo, R.Purtschert, K.E.Rehm, R.Scott, M.Weigand, L.Weissman, S.Almaraz-Calderon, M.L.Avila, D.Baggenstos, P.Collon, N.Hazenshprung, Y.Kashiv, D.Kijel, A.Kreisel, R.Reifarth, D.Santiago-Gonzalez, A.Shor, I.Silverman, R.Talwar, D.Veltum, R.Vondrasek Stellar 36, 38Ar(n, γ)37, 39Ar Reactions and Their Effect on Light Neutron-Rich Nuclide Synthesis NUCLEAR REACTIONS 36,38Ar(n, γ), E ∼ 30 keV; measured reaction products, Eβ, Iβ; deduced thermal σ, Maxwellian average cross sections (MACS). Comparison with available data.
doi: 10.1103/PhysRevLett.121.112701
2017SH47 Phys.Rev. C 96, 055805 (2017) A.Shor, M.Tessler, A.Plompen, A.Arenshtam, O.Aviv, D.Berkovits, M.Brandis, Y.Eisen, I.Eliyahu, G.Feinberg, M.Friedman, S.Halfon, M.Hult, B.Kaizer, D.Kijel, A.Krasa, A.Kreisel, T.Palchan, M.Paul, A.Perry, I.Silverman, S.Vaintraub, L.Weissman Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV NUCLEAR REACTIONS 209Bi(n, γ), kT≈30 keV quasi-Maxwellian neutrons; measured Eβ from the decay of 210Bi and Eα and Eγ, Iγ from the decay of 206Po using PIPS silicon detector for particles and HPGe detector for γ rays at the linear accelerator of Soreq Applied Research Accelerator facility (SARAF); deduced Maxwellian averaged (MACS) σ, and compared with previous experimental results, and with evaluated cross sections in the ENDF, JEFF and JENDL data libraries. Relevance to termination point of the s-process cycle of nucleosynthesis in stellar environments.
doi: 10.1103/PhysRevC.96.055805
2017WE08 Phys.Rev. C 96, 015802 (2017) L.Weissman, M.Tessler, A.Arenshtam, I.Eliyahu, S.Halfon, C.Guerrero, B.Kaizer, D.Kijel, A.Kreisel, T.Palchan, M.Paul, A.Perry, G.Schimel, I.Silverman, A.Shor, N.Tamim, S.Vaintraub Measurement of 208Pb(n, γ)209Pb Maxwellian averaged neutron capture cross section NUCLEAR REACTIONS 208Pb, 197Au, 63Cu(n, γ), E=30 keV, quasi-Maxwellian neutron source produced in Li(p, n), E=1.94 MeV; measured Eβ, Iβ, Eγ, Iγ, MACS cross sections by activation method at Soreq Applied Research Accelerator Facility (SARAF). Monte Carlo simulations performed with the codes SIMLIT-GEANT4. Comparison with previous experimental data, and with ENDF and JENDL evaluated nuclear data libraries.
doi: 10.1103/PhysRevC.96.015802
2015TE06 Phys.Lett. B 751, 418 (2015) M.Tessler, M.Paul, A.Arenshtam, G.Feinberg, M.Friedman, S.Halfon, D.Kijel, L.Weissman, O.Aviv, D.Berkovits, Y.Eisen, I.Eliyahu, G.Haquin, A.Kreisel, I.Mardor, G.Shimel, A.Shor, I.Silverman, Z.Yungrais Stellar 30-keV neutron capture in 94, 96Zr and the 90Zr(γ, n)89Zr photonuclear reaction with a high-power liquid-lithium target NUCLEAR REACTIONS 94,96Zr(n, γ), E=30 keV; 90Zr(γ, n), E not given; measured reaction products, Eγ, Iγ; deduced yields, Maxwellian averaged σ. Comparison with available data.
doi: 10.1016/j.physletb.2015.10.058
2013FR01 Nucl.Instrum.Methods Phys.Res. A698, 117 (2013) M.Friedman, D.Cohen, M.Paul, D.Berkovits, Y.Eisen, G.Feinberg, G.Giorginis, S.Halfon, A.Krasa, A.J.M.Plompen, A.Shor Simulation of the neutron spectrum from the 7Li(p, n) reaction with a liquid-lithium target at Soreq Applied Research Accelerator Facility NUCLEAR REACTIONS 7Li(p, n), E<3.5 MeV; analyzed available data; deduced neutron source parameters for Maxwellian-averaged σ measurements. Comparison with available data.
doi: 10.1016/j.nima.2012.09.027
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