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NSR database version of May 20, 2024.

Search: Author = T.N.Szegedi

Found 8 matches.

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2023GY01      Phys.Rev. C 107, 025803 (2023)

Gy.Gyurky, P.Mohr, A.Angyal, Z.Halasz, G.G.Kiss, Zs.Matyus, T.N.Szegedi, T.Szucs, Zs.Fulop

Cross section measurement of the 144Sm(α, n)147Gd reaction for studying the α-nucleus optical potential at astrophysical energies

NUCLEAR REACTIONS 144Sm(α, n)147Gd, E=13-20 MeV; measured Eγ Iγ; deduced total σ(E), astrophysical S-factor, constraints on α-nucleus potential. 144Sm(α, X), E=7.5-20 MeV; analyzed experimental information on σ, deduced contribution of different channels to the σ and S-factor. 144Sm(α, γ), E=10-13 MeV; calculated S-factor, astrophysical reaction rate using derived optical model parameters. Activation method. Comparison with statistical model calculations, other experimental data and data from REACLIB AND STARLIB. Targets were irradiated at K20 cyclotron accelerator of Atomki and γ-rays from decay was measured by thin HPGe (LEPS).

doi: 10.1103/PhysRevC.107.025803
Citations: PlumX Metrics


2023TO07      Phys.Rev. C 108, 025802 (2023)

A.Toth, T.Szucs, T.N.Szegedi, Gy.Gyurky, Z.Halasz, G.G.Kiss, Zs.Fulop

Experimental determination of the 3He(α, γ)7Be reaction cross section above the 7Be proton separation threshold

NUCLEAR REACTIONS 3He(α, γ)7Be, E=11-20 Mev; measured Eγ, Iγ; deduced σ(E), possible resonance. Activation technique. R-matrix analysis. No prominent structures are observed around known 7Be level, but overall structure of the cross-section suggest a broad resonance peaking around E*=7.5 MeV of 7Be excitation energy. Comparison to previous experimental data obtained with different methods and to the data obtained for mirror reaction 3H(α, γ)7Li. Thin-window gas-cell target irradiated at the Atomki MGC-20 cyclotron. Activated target measured with HPGe detector.

doi: 10.1103/PhysRevC.108.025802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD4430.


2022KI23      Astrophys.J. 936, 107 (2022)

G.G.Kiss, A.Vitez-Sveiczer, Y.Saito, A.Tarifeno-Saldivia, M.Pallas, J.L.Tain, I.Dillmann, J.Agramunt, A.Algora, C.Domingo-Pardo, A.Estrade, C.Appleton, J.M.Allmond, P.Aguilera, H.Baba, N.T.Brewer, C.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, N.Fukuda, Z.Ge, S.Go, C.J.Griffin, R.K.Grzywacz, O.Hall, A.Horvath, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, T.T.King, A.Korgul, S.Kovacs, R.Krucken, S.Kubono, M.Labiche, J.Liu, J.Liang, M.Madurga, K.Miernik, F.Molina, A.I.Morales, M.R.Mumpower, E.Nacher, A.Navarro, N.Nepal, S.Nishimura, M.Piersa-Silkowska, V.Phong, B.C.Rasco, B.Rubio, K.P.Rykaczewski, J.Romero-Barrientos, H.Sakurai, L.Sexton, Y.Shimizu, M.Singh, T.Sprouse, T.Sumikama, R.Surman, H.Suzuki, T.N.Szegedi, H.Takeda, A.Tolosa, K.Wang, M.Wolinska-Cichocka, P.Woods, R.Yokoyama, Z.Xu

Measuring the β-decay Properties of Neutron-rich Exotic Pm, Sm, Eu, and Gd Isotopes to Constrain the Nucleosynthesis Yields in the Rare-earth Region

NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, TOF, Eβ, Iβ. 159,160,161,162,163,164,165,166Pm, 161,162,163,164,165,166,167,168Sm, 165,166,167,168,169,170Eu, 167,168,169,170,171,172Gd; deduced new isotopes T1/2 and β-delayed neutron emission probabilities, relative r-process abundance pattern for the neutron-star merger scenario. RIKEN Nishina Center, the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.

doi: 10.3847/1538-4357/ac80fc
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021SZ02      Phys.Rev. C 104, 035804 (2021)

T.N.Szegedi, G.G.Kiss, P.Mohr, A.Psaltis, M.Jacobi, G.G.Barnafoldi, T.Szucs, Gy.Gyurky, A.Arcones

Activation thick target yield measurement of 100Mo(α, n)103Ru for studying the weak r-process nucleosynthesis

NUCLEAR REACTIONS 100Mo(α, n)103Ru, E=7.0-13.0 MeV; measured Eγ, Iγ, thick target σ(E) by activation technique at the Institute for Nuclear Research (Atomki); deduced recommended astrophysical rate at T9=1.0-5.0, elemental abundances for the MC13 trajectory using α-nucleus optical model potentials (α-OMPs) with Atomki-V2 potential to model the nucleosynthesis scenario. 95,97Ru, 95Tc; observed γ rays in the spectrum.

doi: 10.1103/PhysRevC.104.035804
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD4422.


2020SZ02      Eur.Phys.J. A 56, 182 (2020)

T.N.Szegedi, A.Toth, G.G.Kiss, Gy.Gyurky

High precision half-life measurement of 95Ru, 95Tc and 95mTc with γ-spectroscopy

doi: 10.1140/epja/s10050-020-00188-8
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019SZ01      Nucl.Phys. A986, 213 (2019)

T.N.Szegedi, G.G.Kiss, I.Oksuz, T.Szucs, Gy.Gyurky, Z.Elekes, E.Somorjai, Zs.Fulop

High precision half-life measurement of 125Cs and 125Xe with γ-spectroscopy

NUCLEAR REACTIONS 124Xe(p, γ)125Cs, E=6-7.5 MeV; measured off-line activation Eγ, Iγ(t) following the β-decay; deduced T1/2. Compared with published results.

doi: 10.1016/j.nuclphysa.2019.04.002
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019SZ02      Phys.Rev. C 99, 055804 (2019), Erratum Phys.Rev. C 105, 069901 (2022)

T.Szucs, G.G.Kiss, Gy.Gyurky, Z.Halasz, T.N.Szegedi, Zs.Fulop

Cross section of 3He(α, γ)7Be around the 7Be proton separation threshold

NUCLEAR REACTIONS 3He(α, γ)7Be, E=7.3-11.35 MeV; measured Eγ, Iγ, Eα, σ(E) using HPGe detector for offline γ spectroscopy. 3He(α, γ)7Be, E(cm)=0.2-5.0 MeV; analyzed data using constrained R-matrix fit; deduced S factors, asymptotic nuclear coefficients (ANCs), and upper limit on α-capture resonance strength using data from present experiment and previous experiments. Relevance to Big Bang nucleosynthesis and solar hydrogen burning.

doi: 10.1103/PhysRevC.99.055804
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD4400.


2019SZ04      Phys.Rev. C 100, 065803 (2019)

T.Szucs, P.Mohr, Gy.Gyurky, Z.Halasz, R.Huszank, G.G.Kiss, T.N.Szegedi, Zs.Torok, Zs.Fulop

Cross section of α-induced reactions on 197Au at sub-Coulomb energies

NUCLEAR REACTIONS 197Au(α, 2n)199Tl, E=17.48, 17.99, 18.49, 18.99, 19.46, 19.92 MeV; 197Au(α, n)200Tl, E=13.62, 13.91, 14.92, 15.91, 16.96, 17.48, 17.99, 18.49, 18.99, 19.46, 19.92 MeV; 197Au(α, γ)201Tl, E=13.91, 14.92, 15.91, 16.96, 17.48, 17.99, 18.99, 19.46, 19.92 MeV; measured Eγ, Iγ, E(x ray), I(x ray), σ(E) by activation method at the MTA Atomki cyclotron in Debrecen; deduced Absolute x-ray intensities from the decays of 199,200,201Tl. 197Au(α, α'), E=24.7 MeV; measured σ(θ) and total σ. Comparison to the best fit statistical model calculation using the AVR A-OMP, and with previous experimental results. Prediction of cross sections in the Gamow window with smaller uncertainties. Relevance to determination of reaction rates in large-scale reaction networks for heavy-element nucleosynthesis.

doi: 10.1103/PhysRevC.100.065803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD4406.


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