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NSR database version of April 26, 2024.

Search: Author = I.Sivacek

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2022SA24      Physics of Part.and Nuclei 53, 595 (2022)

V.V.Samarin, Yu.G.Sobolev, Yu.E.Penionzhkevich, S.S.Stukalov, M.A.Naumenko, I.Sivacek

Investigation of Reaction Cross Sections for Beams of ⁸Li, ⁸He on ²⁸Si, ⁵⁹Co, ¹⁸¹Ta Targets

NUCLEAR REACTIONS ²⁸Si, ⁵⁹Co, ¹⁸¹Ta(⁸Li, X), (⁸He, X), E=6-46 MeV/nucleon; measured reaction products. ⁸Li; deduced compound nucleus production and total σ, probability density for the outer neutrons. Comparison with calculations.

doi: 10.1134/S106377962202071X
Citations: PlumX Metrics

2022SK01      Physics of Part.and Nuclei 53, 382 (2022)

N.K.Skobelev, Yu.E.Penionzhkevich, I.Sivacek, T.Issatayev, G.D'Adata, V.Burjan, A.I.Kilic, J.Mrazek, V.Glagolev

Population of Excited States in ⁴⁵Ti Nuclei in Charge Exchange Reactions in a 29-MeV ³He Beam

NUCLEAR REACTIONS ⁴⁵Sc, ¹⁹⁷Au(³He, t), E=29 MeV; measured reaction products; deduced energy spectra, σ(θ), excited states. Comparison with calculations. The U-120M cyclotron at the Nuclear Physics Institute of the Czech Academy of Sciences.

doi: 10.1134/S1063779622020770
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2021AD06      Phys.Rev. C 103, 035804 (2021)

P.Adsley, F.Hammache, N.de Sereville, V.Alcindor, M.Assie, D.Beaumel, M.Chabot, M.Degerlier, C.Delafosse, T.Faestermann, F.Flavigny, S.P.Fox, R.Garg, A.Georgiadou, S.A.Gillespie, J.Guillot, V.Guimaraes, A.Gottardo, R.Hertenberger, J.Kiener, A.M.Laird, A.Lefebvre-Schuhl, I.Matea, A.Meyer, M.Mahgoub, L.Olivier, L.Perrot, J.Riley, I.Sivacek, I.Stefan, V.Tatischeff, H.-F.Wirth

Charged-particle branching ratios above the neutron threshold in ¹⁹F: Constraining ¹⁵N production in core-collapse supernovae

COMPILATION ¹⁹F; compiled data from the ENSDF database and from different nuclear reactions in literature for levels, J, π, Γ, Γ_p, and Γ_α.

NUCLEAR REACTIONS ¹⁹F(p, p'), E=16, 15 MeV; measured E(p), I(p), πα- and pp-coin using the Q3D magnetic spectrograph at Munich at E(p)=16 MeV, and Enge split-pole magnetic spectrometer, and double-sided silicon strip detector (DSSSD) detectors at Orsay at E(p)=15 MeV. ¹⁹F; deduced levels between 10.091 and 10.676 MeV in the region of astrophysical interest, width, branching ratios for proton and α decays from levels above the neutron binding energy in ¹⁹F. ¹⁵N, ¹⁸O; deduced energies of the emitted particles, matrices of experimental and simulated coincidence events from α and proton decays of neutron-unbound states in ¹⁹F. Relevance to ¹⁸F(n, α)¹⁵N and ¹⁸F(n, p)¹⁸O reaction rates for abundances of ¹⁵N and ¹⁸O in the helium-burning shell during core-collapse supernovae.

doi: 10.1103/PhysRevC.103.035804
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2021DA04      Phys.Rev. C 103, 015806 (2021)

G.D'Agata, A.I.Kilic, V.Burjan, J.Mrazek, V.Glagolev, V.Kroha, G.L.Guardo, M.La Cognata, L.Lamia, S.Palmerini, R.G.Pizzone, G.G.Rapisarda, S.Romano, M.L.Sergi, R.Sparta, C.Spitaleri, I.Sivacek, A.Tumino

²⁶Si(p, γ)²⁷P direct proton capture by means of the asymptotic normalization coefficients method for mirror nuclei

NUCLEAR REACTIONS ²⁶Mg(d, p)²⁷Mg, E=19.2 MeV; measured reaction products, σ(θ) for ground and first excited states using ΔE-E telescopes at INFN-LNS-Catania accelerator facility; deduced Optical Model Potential parameters for entrance and exit channels using DWBA calculations. ²⁶Mg(n, γ)²⁷Mg; ²⁶Si(p, γ)²⁷P; deduced spectroscopic factors and asymptotic normalization coefficients (ANCs) for capture in the ground and first excited states, width Γ_p for first resonance in ²⁷P using the ANC methodology for mirror nuclei. ²⁶Si(p, γ)²⁷P, T₉=0.1-2.0; calculated astrophysical reaction rates.

doi: 10.1103/PhysRevC.103.015806
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1035. Data from this article have been entered in the XUNDL database. For more information, click here.

2020SO19      Bull.Rus.Acad.Sci.Phys. 84, 948 (2020)

Yu.G.Sobolev, Yu.E.Penionzhkevich, V.V.Samarin, M.A.Naumenko, S.S.Stukalov, I.Sivacek, S.A.Krupko, A.Kugler, J.Louko

Total Reaction Cross Sections for ^{6, 8}He and ⁹Li Nuclei on ²⁸Si, ⁵⁹Co, and ¹⁸¹Ta Targets

NUCLEAR REACTIONS ²⁸Si, ⁵⁹Co, ¹⁸¹Ta(⁶He, X), (⁸He, X), (⁹Li, X), E=6-36 MeV/nucleon; measured reaction products, Eγ, Iγ, En, In; deduced total reaction σ and the multiplicity distributions for the emission of γ-rays and neutrons.

doi: 10.3103/S1062873820080286
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1453.

2019PE01      Phys.Rev. C 99, 014609 (2019)

Yu.E.Penionzhkevich, Yu.G.Sobolev, V.V.Samarin, M.A.Naumenko, N.A.Lashmanov, V.A.Maslov, I.Sivacek, S.S.Stukalov

Energy dependence of the total cross section for the ¹¹Li + ²⁸Si reaction

NUCLEAR REACTIONS ²⁸Si(¹¹Li, X), E=7.8-26.3 MeV/nucleon; ²⁸Si(⁹Li, X), E=36.2 MeV/nucleon; ²⁸Si(⁶He, X), E=39.1 MeV/nucleon, [^9,11Li, ⁶He secondary beams from ⁹Be(¹⁵N, X), E=49.7 MeV/nucleon primary reaction at the U-400M accelerator of LNR-JINR]; measured yields of ¹¹Li and ⁸He, Eγ, Iγ, E(n), I(n), total reaction σ(E) using ACCULINNA separator for particle identification and CsI(Tl) scintillators for γ detection; deduced probabilities of neutron transfer to the unoccupied bound states in ²⁸Si nucleus and the probabilities of transfer to the states in the continuum, dependence of the correction factor on the separation energy of one and two external neutrons for ⁶He and ⁹Li. Comparison with previous experimental data, and with theoretical calculations based on the numerical solution of the time-dependent Schrodinger equation for the external weakly bound neutrons of the projectile nucleus ¹¹Li.

doi: 10.1103/PhysRevC.99.014609
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1445.

2019SO08      Bull.Rus.Acad.Sci.Phys. 83, 402 (2019)

Yu.G.Sobolev, Yu.E.Penionzhkevich, V.A.Maslov, M.A.Naumenko, V.V.Samarin, I.Sivacek, S.S.Stukalov

Measuring the Total Cross Sections for Reactions in Collisions of ^{6, 8}He + ²⁸Si and ⁹Li + ²⁸Si

doi: 10.3103/S1062873819040269
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1429.

2018JA17      Int.J.Mod.Phys. E27, 1850089 (2018)

D.M.Janseitov, S.M.Lukyanov, K.Mendibayev, Yu.E.Penionzhkevich, N.K.Skobelev, Yu.G.Sobolev, K.A.Kuterbekov, D.S.Valiolda, T.K.Zholdybayev, W.H.Trzaska, S.V.Khlebnikov, G.P.Tyurin, B.A.Urazbekov, M.N.Harakeh, V.Burjan, V.Kroha, J.Mrazek, S.Piskor, I.Sivacek, V.Glagolev

Investigation of the elastic and inelastic scattering of ³He from ⁹Be in the energy range 30-60 MeV

NUCLEAR REACTIONS ⁹Be(³He, ³He), (³He, ³He'), E=30, 40, 47 MeV; measured reaction products; deduced energy levels, J, π, σ(θ). Comparison with theoretical calculations.

doi: 10.1142/S0218301318500891
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0937.