NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = L.Zavorka Found 19 matches. 2024LE02 Phys.Rev. C 109, 014601 (2024) H.Y.Lee, S.A.Kuvin, L.Zavorka, S.Mosby, B.DiGiovine, G.Hale, M.Paris, D.Votaw, M.White Differential cross sections of the 16O(n, α) reaction at neutron energies from 3.8 to 15 MeV
doi: 10.1103/PhysRevC.109.014601
2023TS02 Nucl.Instrum.Methods Phys.Res. A1046, 167666 (2023) P.Tsintari, G.Perdikakis, H.Y.Lee, S.A.Kuvin, A.Georgiadou, H.I.Kim, D.Votaw, L.Zavorka Implementation and validation of realistic (n, x) reaction yields in Geant4 utilizing a detailed evaluated nuclear reaction library below 20 MeV NUCLEAR REACTIONS 1H(n, n), 12C, 16O, 63Cu, 58Ni(n, α), 14N, 58Ni, 63Cu, 27Al(n, p), E<20 MeV; measured reaction products, En, In; deduced σ, yields. Comparison with Geant4 simulations. The Low Energy Neutron-induced charged-particle (Z) chamber (LENZ), at LANSCE.
doi: 10.1016/j.nima.2022.167666
2022KU12 Phys.Rev. C 105, 044608 (2022) S.A.Kuvin, H.Y.Lee, B.DiGiovine, C.Eiroa-Lledo, A.Georgiadou, M.Herman, T.Kawano, V.Mocko, S.Mosby, C.Vermeulen, D.Votaw, M.White, L.Zavorka, G.Perdikakis, P.Tsintari, H.I.Kim Direct measurement of 59Ni(n, p) 59Co and 59Ni(n, α)56Fe at fast-neutron energies from 500 keV to 10 MeV NUCLEAR REACTIONS 59Ni(n, p), (n, α), E=0.5-10 MeV; measured Ep, Ip, Eα, Iα, neutron time of flight, np-coin, nα-coin; deduced Q, inclusive and exclusive σ(E). Comparison to statistical Hauser-Feschbach calculations (TALYS, CoH3), evaluated data (ENDF/B-VIII.0, JEFF-3.3, JENDL-4.0) and other experimental results. Low Energy (n, z) (LENZ) setup consisting of annular double-sided silicon strip detectors at the WNR facility at the Los Alamos Neutron Science Center (LANSCE).
doi: 10.1103/PhysRevC.105.044608
2021KU19 Phys.Rev. C 104, 014603 (2021) S.A.Kuvin, H.Y.Lee, B.DiGiovine, A.Georgiadou, S.Mosby, D.Votaw, M.White, L.Zavorka Validation of neutron-induced reactions on natural carbon using an active target at neutron energies up to 22 MeV at LANSCE NUCLEAR REACTIONS 12C(n, α)9Be, (n, p), (n, pd), 13C(n, α)10Be, E=6-22 MeV; measured reaction products, relative σ(E) using natural carbon target and LENZ annular silicon detectors with the flux monitor ionization chamber at Weapons Neutron Research (WNR) facility at the Los Alamos Neutron Science Center (LANSCE). Comparison with GEANT4 simulations using the ENDF/B-VIII.0 evaluated nuclear data library up to E(n)=20 MeV, and with previous experimental data.
doi: 10.1103/PhysRevC.104.014603
2020KI03 Nucl.Instrum.Methods Phys.Res. A963, 163699(2020) H.I.Kim, H.Y.Lee, T.Kawano, A.Georgiadou, S.A.Kuvin, L.Zavorka, M.W.Herman New evaluation on angular distributions and energy spectra for neutron-induced charged-particle measurements
doi: 10.1016/j.nima.2020.163699
2020KU17 Phys.Rev. C 102, 024623 (2020) S.A.Kuvin, H.Y.Lee, T.Kawano, B.DiGiovine, A.Georgiadou, C.Vermeulen, M.White, L.Zavorka, H.I.Kim Nonstatistical fluctuations in the 35Cl(n, p)35S reaction cross section at fast-neutron energies from 0.6 to 6 MeV NUCLEAR REACTIONS 35Cl(n, p), (n, α), E=0.6-6 MeV spallation neutrons; measured charged particles from (n, p) and (n, α) reactions using the low energy LENZ experimental setup, flight path length using a sCVD diamond detector by measuring the neutron time of flight at the WNR facility of the Los Alamos Neutron Science Center (LANSCE); deduced Q value of the reaction from detected charged particle energy of the outgoing proton or α particle, and the corresponding neutron time-of-flight, σ(θ, E) for different reaction channels, angle-integrated partial cross section data for (n, p) and (n, α) channels. Comparison with statistical model HF calculation using the COH3 code, and Koning-Delaroche spherical optical potential and Kunieda coupled channel potential, and with evaluated cross section data in ENDF/B-VIII.0. 63Cu, 64Zn(n, p), (n, α), E=0.6-6 MeV; measured charged particles, σ(E) from the brass backing for background contributions, and to validate MCNP simulations using data from the present experiment, ENDF/B-VIII.0 evaluations, and from previous experiments.
doi: 10.1103/PhysRevC.102.024623
2019BA34 Phys.Rev. C 100, 024616 (2019) A.R.Balabekyan, G.S.Karapetyan, E.Andrade II, A.Deppman, S.V.Gaginyan, E.Melyan, J.R.Drnoyan, V.I.Zhemenik, J.Adam, L.Zavorka, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, J.Khushvaktov, E.B.Hernandez Fragment production in proton-induced reaction on 209Bi target at intermediate energy range NUCLEAR REACTIONS 209Bi(p, X)24Na/28Mg/42K/46Sc/47Ca/52Mn/56Co/57Ni/59Fe/65Zn/66Ga/69Ge/72Zn/72Ga/74As/75Se/76Br/88Y/89Zr/90Nb/93mMo/96Nb/96Tc/100Rh/106mAg/110mAg/113Sn/118mSb/119Te/119mTe/120mSb/121Te/121mTe/124Sb/127Sb/127Xe/131mTe/140La/148mPm/154Tb/169Lu/170Lu/172Lu/175Ta/185Ir/194Au/203Bi/205Bi/206Bi, E=660 MeV; measured reaction products, Eγ, Iγ, mass-yield distribution; deduced cross-sections, fissility as function of Z2/A, contribution of symmetric fission to total fission cross section as function of the total number of emitted neutrons, cross section ratios of residues from 660 and 600 MeV proton-induced reactions. Comparison with previous experimental data, and with theoretical model calculations using the CRISP code. Measurement performed at the phasotron of the Laboratory of Nuclear Problems at the Joint Institute of Nuclear Research (JINR, Dubna).
doi: 10.1103/PhysRevC.100.024616
2019BA40 J.Phys.(London) G46, 095103 (2019) A.R.Balabekyan, G.S.Karapetyan, N.A.Demekhina, S.V.Gaginyan, J.R.Drnoyan, V.I.Zhemenik, J.Adam, L.Zavorka, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, J.Khushvaktov, V.Pronskikh, V.M.Zhamkochyan, V.Guimaraes, A.Deppman Spallation reactions induced by 4.4 GeV deuterons on lead isotopes NUCLEAR REACTIONS 204,206,207,208Pb(d, X)189Pt/191Pt/194Au/196Au/83Rb/88Y/95Nb/103Ru/46Sc/48Sc/48V/22Na/24Na/43K/48Sc/48Sc/48V/54Mn/58Co/59Fe/74As/75Se/76Kr/83Rb/84Rb/85Sr/86Zr/87Y/88Y/89Zr/95Nb/95Tc/99Rh/103Ru/105Ag/106Ag/113Sn/119Te/121Te/126Sb/127Xe/132Cs/139Ce/143Pm/144Pm/145Eu/146Gd/147Eu/148Eu/149Gd/153Gd/155Tb/155Dy/165Tm/167Tm/169Lu/169Yb/170Hf/171Lu/177Lu/181Re/183Re/183Os/185Os/185Ir/186Ir/186Pt/188Pt/190Ir/192Hg/192Au/193Hg/195Au/197Hg/198Au/198Tl/199Tl/200Tl/201Tl/201Pb/202Tl/203Hg/203Pb/203Bi/204Bi/205Bi/206Bi, E=4.4 GeV; measured reaction products, Eγ, Iγ; deduced σ.
doi: 10.1088/1361-6471/ab2bce
2018KH04 Appl.Radiat.Isot. 137, 102 (2018) J.H.Khushvaktov, J.Adam, A.A.Baldin, W.I.Furman, S.A.Gustov, Yu.V.Kish, A.A.Solnyshkin, V.I.Stegailov, J.Svoboda, P.Tichy, V.M.Tsoupko-Sitnikov, S.I.Tyutyunnikov, R.Vespalec, J.Vrzalova, V.Wagner, B.S.Yuldashev, L.Zavorka, M.Zeman Monte Carlo simulations and experimental results on neutron production in the uranium spallation target QUINTA irradiated with 660 MeV protons NUCLEAR REACTIONS U(p, X), E=660 MeV; 127I(n, γ), (n, 2n), (n, 4n), (n, 5n), (n, 7n), (n, 8n), (n, 9n), E<400 MeV; measured reaction products; deduce σ. Comparison with Geant4 + TALYS-1.8 simulations.
doi: 10.1016/j.apradiso.2018.03.003
2016AD01 Appl.Radiat.Isot. 107, 225 (2016) J.Adam, V.V.Chilap, V.I.Furman, M.G.Kadykov, J.Khushvaktov, V.S.Pronskikh, A.A.Solnyshkin, V.I.Stegailov, M.Suchopar, V.M.Tsoupko-Sitnikov, S.I.Tyutyunnikov, J.Vrzalova, V.Wagner, L.Zavorka Study of secondary neutron interactions with 232Th, 129I, and 127I nuclei with the uranium assembly "QUINTA" at 2, 4, and 8 GeV deuteron beams of the JINR Nuclotron accelerator NUCLEAR REACTIONS U(d, X), E=2, 4, 8 GeV; 232Th(n, F)66Ga/85Kr/87Kr/88Kr/88Y/91Y/91Sr/92Sr/92Y/92Nb/93Y/97Zr/97Nb/105Ru/115Cd/115In/117In/126Sb/127Sn/128Sb/129Sb/132Te/132I/133I/134I/135I/135Xe/138Ce/142La/143Ce/233Pa, E<200 MeV; 129I(n, X)22Na/24Na/82Br/123I/124I/126I/130I, E<200 MeV; 127I(n, X)7Be/22Na/108Ag/111In/118Sb/119Te/120I/120Sb/121I/121Te/122Sb/123I/123Te/124I/125Xe/126I/128I, E<200 MeV; measured reaction products, Eγ, Iγ; deduced neutron-induced reaction rates, fission σ, transmutation power for the 129I samples. Comparison with well-known stochastic and deterministic code calculations.
doi: 10.1016/j.apradiso.2015.11.002
2016BA25 Phys.Rev. C 93, 054614 (2016) A.R.Balabekyan, G.S.Karapetyan, N.A.Demekhina, D.R.Drnoyan, V.I.Zhemenik, J.Adam, L.Zavorka, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, V.Guimaraes, A.Deppman Isomer production in intermediate-energy deuteron-induced reactions on a gold target NUCLEAR REACTIONS 197Au(d, X)44Sc/44mSc/95Nb/95mNb/95Tc/95mTc/102Rh/102mRh/184Re/184mRe/193Hg/193mHg/196Au/196mAu/197Hg/197mHg, E=4.4 GeV; measured Eγ, Iγ, production cross sections of ground and metastable states, isomer ratios by using activation method at JINR-Dubna; deduced isomer ratios versus mass number of the reaction products and fractional momentum transfer of residual nuclei, average intrinsic angular momentum of the composite system using a statistical model based on the formalism developed by Huizenga and Vandenbosch.
doi: 10.1103/PhysRevC.93.054614
2015ZA03 Ann.Nucl.Energy 80, 178 (2015) L.Zavorka, J.Adam, M.Artiushenko, A.A.Baldin, V.B.Brudanin, O.Bukhal, P.Caloun, V.V.Chilap, W.I.Furman, K.Husak, M.G.Kadykov, K.Katovsky, J.Khushvaktov, I.I.Marin, V.S.Pronskikh, A.A.Solnyshkin, V.Sotnikov, V.I.Stegailov, M.Suchopar, O.Svoboda, V.M.Tsoupko-Sitnikov, S.I.Tyutyunnikov, V.Voronko, J.Vrzalova, V.Wagner, P.Zhivkov, I.Zhuk Validation of Monte Carlo simulation of neutron production in a spallation experiment NUCLEAR REACTIONS U(d, n)237U/238U, 27Al(d, 2n3p), E=0.5-4 GeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ. MCNPX 2.7.0 code calculations, comparison with JENDL, ENDF, TENDL evaluated libraries, EXFOR data.
doi: 10.1016/j.anucene.2015.02.010
2015ZA04 Nucl.Instrum.Methods Phys.Res. B349, 31 (2015) L.Zavorka, J.Adam, A.A.Baldin, P.Caloun, V.V.Chilap, W.I.Furman, M.G.Kadykov, J.Khushvaktov, V.S.Pronskikh, A.A.Solnyshkin, V.Sotnikov, V.I.Stegailov, M.Suchopar, V.M.Tsoupko-Sitnikov, S.I.Tyutyunnikov, V.Voronko, J.Vrzalova Neutron-induced transmutation reactions in 237Np, 238Pu, and 239Pu at the massive natural uranium spallation target NUCLEAR REACTIONS 237Np(d, X)92Sr/97Nb/97Zr/132I/133I/136I/138Cs/142La/238Np, 238Pu(d, X)88Kr/91Sr/92Sr/97Nb/97Zr/106Rh/106Ru/129Sb/131I/132I/133I/136I/142La/143Ce, 239Pu(d, X)87Kr/88Kr/88Rb/91Sr/91Y/92Sr/97Nb/97Zr/103Ru/106Rh/106Ru/127Sn/128Sn/129Sb/130Sb/131I/131Te/132I/133I/133Te/134Te/136I/138Cs/139Ba/140Ba/141La/142La/143Ce, 27Al(d, X), E=2, 4, 8 GeV; measured reaction products, Eγ, Iγ; deduced reaction rates, yields. Comparison with Monte Carlo simulation of neutron flux using the MCNPX 2.7 and MARS15 codes, experimental data.
doi: 10.1016/j.nimb.2014.12.084
2014AV01 Phys.Rev. C 89, 044613 (2014) M.Avrigeanu, V.Avrigeanu, P.Bem, U.Fischer, M.Honusek, K.Katovsky, C.Manailescu, J.Mrazek, E.Simeckova, L.Zavorka Low energy deuteron-induced reactions on Fe isotopes NUCLEAR REACTIONS 54Fe(d, n)55Co, 54Fe(d, α)52Mn/52mMn, 58Fe(d, p)59Fe, Fe(d, X)51Cr/54Mn/56Mn/56Co/57Co/58Co, E=4.11-19.74 MeV; measured reaction σ(E); comparison with theoretical calculations by FRESCO and TALYS-1.4 optical model codes, with TENDL-2013 library, and with previous experimental results. 54,56,58Fe(d, d), E=5-60 MeV; comparison of previously measured elastic σ(E) with theoretical calculations using various optical potentials. 27Al, 54,56,57Fe, 58,62Ni, 90Zr, 93Nb, 119Sn, 181Ta, 208Pb, 232Th(d, X), E=5-60 MeV; comparison of previously measured total reaction σ(E) and the total proton-emission breakup σ(E) with theory. 54Fe(d, p), E=14 MeV; comparison of previously measured and theoretical σ(θ) distributions for 14 levels in 55Fe. 54,56,58Fe(d, p), 54,56,57Fe(d, n), 56,57,58Fe(d, 2n), (d, 3n), 57,58Fe(d, 4n), 58Fe(d, 5n), 54Fe(d, α), 54,56,57,58Fe, Fe(d, X), (d, xn)51Cr/52Mn/52mMn/54Mn/56Mn/55Co/56Co/57Co/58Co/58mCo/53Fe/55Fe/59Fe, E=5-60 MeV; calculated total reaction, breakup and transfer σ(E). Comparison of theoretical calculations with present and previous measurements, and with TENDL-2013 library.
doi: 10.1103/PhysRevC.89.044613
2014BA19 Phys.Rev. C 89, 054604 (2014) A.R.Balabekyan, N.A.Demekhina, G.S.Karapetyan, L.Karayan, J.R.Drnoyan, V.I.Zhemenik, J.Adam, L.Zavorka, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, J.Khushvaktov, V.Guimaraes, A.Deppman Recoil properties of fragments formed in 4.4 GeV deuteron-induced reactions on a gold target NUCLEAR REACTIONS 197Au(d, X), E=4.4 GeV; measured Eγ, Iγ, forward to backward (F/B) ratio of fragments, forward to backward anisotropy, mean momentum and recoil parameter for A=20-198 fragments of 24Na, 28Mg, 42,43K, 44m,46,48Sc, 47Ca, 48V, 51Cr, 52,54Mn, 55,56,58Co, 59Fe, 65,72Zn, 71,72,74As, 73,75Se, 76,77,82Br, 83,84,86Rb, 85Sr, 86,87,88Y, 89,95Zr, 90,95Nb, 93,99Mo, 93,96Tc, 97,103Ru, 104,105,111,115Ag, 110,111In, 112Pd, 113,117mSn, 115mCd, 120mSb, 131Ba, 132Te, 132Ce, 133,134,135I, 135,139Ce, 143Pm, 145,146,147,148,149Eu, 146,147,149Gd, 151Tb, 155,157Dy, 167Tm, 171Lu, 173,175Hf, 182Os, 183Re, 186,188,190Ir, 188,191Pt, 194,196,198Au, 197mHg. Activation method with thick target thick catcher technique at LHE-JINR facility. Comparison with previous experimental data for 197Au(p, X), E=1-11.5 GeV.
doi: 10.1103/PhysRevC.89.054604
2014BA57 Phys.Rev. C 90, 054612 (2014) A.R.Balabekyan, N.A.Demekhina, G.S.Karapetyan, D.R.Drnoyan, V.I.Zhemenik, J.Adam, L.Zavorka, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, J.Khushvaktov, L.Karayan, V.Guimaraes, A.Deppman, F.Garcia Target residues formed in the 4.4 GeV deuteron-induced reaction on gold NUCLEAR REACTIONS 197Au(d, X)24Na/28Mg/42K/43K/47K/44Sc/44mSc/46Sc/48Sc/48V/52Mn/, 54Mn/59Fe/55Co/56Co/58Co/60Co/65Zn/72Zn/71As/72As/74As/75Se/77Br/82Br/81Rb/83Rb/84Rb/83Sr/85Sr/86Y/87Y/88Y/88Zr/89Zr/95Zr/90Nb/92mNb/95Nb/95mNb/93Tc/94Tc/96Tc/103Ru/99Rh/100Rh/102Rh/102mRh/100Pd/105Ag/106mAg/110mAg/111In/113Sn/117mSn/124Sb/126Sb/119Te/132Te/124I/126I/133I/127Xe/131Ba/140Ba/139Ce/143Ce/143Pm/144Pm/148mPm/145Eu/146Eu/147Eu/148Eu/149Eu/146Gd/147Gd/149Gd/153Gd/147Tb/149Tb/153Tb/160Tb/167Tm/168Tm/171Lu/172Lu/173Lu/177mLu/175Hf/181Hf/182Ta/182Re/184Re/184mRe/185Os/185Ir/190Ir/192Ir/194mIr/188Pt/191Pt/194Au/195Au/196Au/198Au/198mAu, E=4.4 GeV; measured Eγ, Iγ, σ for reaction products, charge and mass-yield distributions for the isobaric chains at JINR facility. Coexistence of evaporation, fission, and multifragmentation channels.
doi: 10.1103/PhysRevC.90.054612
2013AV05 Phys.Rev. C 88, 014612 (2013) M.Avrigeanu, V.Avrigeanu, P.Bem, U.Fischer, M.Honusek, A.J.Koning, J.Mrazek, E.Simeckova, M.Stefanik, L.Zavorka Low-energy deuteron-induced reactions on 93Nb NUCLEAR REACTIONS 93Nb(d, p)94mNb; 93Nb(d, 2n)93mMo; 93Nb(d, X)92mNb; 93Nb(d, 2nα)89Zr; 93Nb(d, pα)90mY, E=1-20 MeV; measured Eγ, Iγ, σ(E) by activation method and stacked-foil technique. Comparison with previous experimental data. 93Nb(d, d), E=11.8, 15, 34.4, 52 MeV; analyzed σ(θ, E) data; deduced optical model parameters. 93,94,95Mo; comparison of previously measured and calculated E1 strength functions. Comparisons with calculations which included deuteron breakup effects, one-nucleon transfer (DR), pre-equilibrium (PE) and compound nucleus mechanisms, spin distribution of nuclear level densities and radiative strength functions using FRESCO and STAPRE-H computer codes. Comparison with calculations using TALYS-1.4 computer code, and with TENDL-2012 evaluated data.
doi: 10.1103/PhysRevC.88.014612
2011SI29 J.Korean Phys.Soc. 59, 1928s (2011) E.Simeckova, P.Bem, M.Honusek, L.Zavorka, U.Fischer, S.P.Simakov, R.A.Forrest, M.Avrigeanu, V.Avrigeanu, F.L.Roman On Low and Medium Energy Deuteron-Induced Reactions on 63, 65Cu NUCLEAR REACTIONS 63,65Cu(d, p), (d, 2n), (d, 3n), (d, 2p), E=4-20 MeV; measured Eγ, Iγ using stacked-foil; deduced activation σ; calculated σ using optical model with CC code FRESCO and TALYS-1.0, STAPRE-H. Comparison with available data, TENDL-2009.
doi: 10.3938/jkps.59.1928
2011ZA08 J.Korean Phys.Soc. 59, 1961s (2011) L.Zavorka, E.Simeckova, M.Honusek, K.Katovsky The Activation of Fe by Deuterons at Energies up to 20 MeV NUCLEAR REACTIONS 27Al(d, X), 54Fe(d, n), (d, α), (d, p), Fe(d, X)56Co, Fe(d, X)57Co, Fe(d, X)58Co, Fe(d, X)56Mn, E=0-20 MeV; measured Eγ, Iγ; deduced σ using activation method with DEIMOS code. 55,56Co, 59Fe deduced activities; calculated activities. Compared with other data, EAF-2007, ACSELAM.
doi: 10.3938/jkps.59.1961
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