NSR Query Results
Output year order : Descending NSR database version of April 23, 2024. Search: Author = P.Mohr Found 148 matches. Showing 1 to 100. [Next]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
2023JA08 Phys.Rev.Lett. 845, 112701 (2023) H.Jayatissa, M.L.Avila, K.E.Rehm, P.Mohr, Z.Meisel, J.Chen, C.R.Hoffman, J.Liang, C.Muller-Gatermann, D.Neto, W.J.Ong, A.Psaltis, D.Santiago-Gonzalez, T.L.Tang, C.Ugalde, G.Wilson Study of the 22Mg Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the 22Mg(α, p)25Al Reaction NUCLEAR REACTIONS 4He(22Mg, p), E=74 MeV; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with calculations. MUlti-Sampling Ionization Chamber (MUSIC) detector, the Argonne Tandem Linac Accelerator System (ATLAS) at Argonne National Laboratory.
doi: 10.1103/PhysRevLett.131.112701
2023MO16 J.Phys.(London) G50, 075103 (2023) α-decay half-life of 212Po at stellar temperatures RADIOACTIVITY 212Po(α); analyzed available data; deduced moderate reduction of the T1/2 of less than one order of magnitude up to 2 GK.
doi: 10.1088/1361-6471/acd39a
2023MO20 J.Phys.(London) G50, 098002 (2023) Comment on "Alpha decay of thermally excited nuclei" RADIOACTIVITY 212Po(α); calculated T1/2 as a function of temperature within the statistical approach; deduced only a moderate enhancement of α-decay rate at high temperatures.
doi: 10.1088/1361-6471/ace63a
2023TS04 Phys.Rev. C 107, 035808 (2023) A.Tsantiri, A.Palmisano-Kyle, A.Spyrou, P.Mohr, H.C.Berg, P.A.DeYoung, A.C.Dombos, P.Gastis, E.C.Good, C.M.Harris, S.N.Liddick, S.M.Lyons, O.Olivas-Gomez, G.Owens-Fryar, J.Pereira, A.L.Richard, A.Simon, M.K.Smith, R.G.T.Zegers Cross-section measurement of the 82Kr(p, γ)83Rb reaction in inverse kinematics NUCLEAR REACTIONS 1H(82Kr, γ)83Rb, E=3.1, 3.4, 3.7 MeV/nucleon; measured Eγ, Iγ, γ-sum, total absorption spectra; deduced σ(E), astrophysical S-factor. Comparison to NON-SMOKER and TALYS statistical model calculations. Hydrogen gas cell surrounded by the Summing NaI(Tl) (SuN) detector at ReA reaccelerator facility (NSCL).
doi: 10.1103/PhysRevC.107.035808
2022JA08 Phys.Rev. C 105, L042802 (2022) H.Jayatissa, M.L.Avila, K.E.Rehm, R.Talwar, P.Mohr, K.Auranen, J.Chen, D.A.Gorelov, C.R.Hoffman, C.L.Jiang, B.P.Kay, S.A.Kuvin, D.Santiago-Gonzalez First direct measurement of the 13N(α, p)16O reaction relevant for core-collapse supernovae nucleosynthesis NUCLEAR REACTIONS 4He(13N, p), E=34.6 MeV; measured energies and yields of reaction products; deduced σ(Ε) in the range E(cm)=3.26–6.02 MeV, astrophysical S-factor. 4He(13N, p), T=0.8-10.0 GK; deduced astrophysical reaction rates. Comparison to other experimental data, TALYS calculations and data from REACLIB. MUlti-Sampling Ionization Chamber (MUSIC) detector filled with He-Kr gas mixture at ATLAS (ANL).
doi: 10.1103/PhysRevC.105.L042802
2022KI15 Phys.Rev. C 106, 015802 (2022) G.G.Kiss, P.Mohr, Gy.Gyurky, T.Szucs, L.Csedreki, Z.Halasz, Zs.Fulop, E.Somorjai High-precision 144Sm (α, α) 144Sm scattering at low energies and the rate of the 144Sm (α, γ) 148Gd reaction NUCLEAR REACTIONS 144Sm(α, α), E=16.13, 18.07, 19.87 MeV; measured Eα, Iα, angular distribution; deduced σ(θ) normalized to Rutherford cross section, parameters of the optical potentials. 144Sm(α, X), 144Sm(α, γ), E(cm)=5-20 MeV; deduced σ(E), astrophysical S-factor using derived α-OMP parameters. Comparison to other experimental data and calculations performed with different OMP parameters. Array of 7 ion-implanted silicon detectors at cyclotron laboratory of ATOMKI, Debrecen.
doi: 10.1103/PhysRevC.106.015802
2022KU11 Phys.Rev. C 105, 044606 (2022) R.Kumar, S.Rana, M.Bhuyan, P.Mohr Fusion cross section of α-induced reactions for heavy target nuclei NUCLEAR REACTIONS 208Pb, 209Bi, 235,238U(α, X), E=15-30 MeV; calculated fusion σ(E), fusion barrier, astrophysical S-factor. Nonrelativistic Skryme-Hartree-Fock (SHF) and the relativistic mean-field (RMF) formalisms for the NL3* parameter set along with density-dependent M3Y and relativistic R3Y effective potentials. Comparison to available experimental data. NUCLEAR STRUCTURE 208Pb, 209Bi, 235,238U; calculated radial distributions of total density. Skyrme-Hartree-Fock (SHF) and relativistic mean-field (RMF) formalisms.
doi: 10.1103/PhysRevC.105.044606
2022ON02 Phys.Rev. C 105, 055803 (2022) W.-J.Ong, M.L.Avila, P.Mohr, K.E.Rehm, D.Santiago-Gonzalez, J.Chen, C.R.Hoffman, Z.Meisel, F.Montes, J.Pereira Measurement of the 100Mo (α, xn) cross section at weak $r$-process energies NUCLEAR REACTIONS 4He(100Mo, xn);E(cm)=8.9-13.2 MeV; measured reaction products; deduced σ(E). 4He(100Mo, 2n), E=11.84-13.17; deduced σ(E).Comparison to other experimental data and Hauser-Feschbach calculations. The MUSIC detector at Argonne Tandem Linac Accelerator System (ATLAS) facility.
doi: 10.1103/PhysRevC.105.055803
2021MO22 At.Data Nucl.Data Tables 142, 101453 (2021) P.Mohr, Z.Fulop, Gy.Gyurky, G.G.Kiss, T.Szucs, A.Arcones, M.Jacobi, A.Psaltis Astrophysical reaction rates of α-induced reactions for nuclei with 26 ≤ Z ≤ 83 from the new Atomki-V2 α-nucleus potential NUCLEAR REACTIONS 88Kr, 188Sm(α, X), E(cm)<15 MeV; calculated astrophysical reaction rates using new Atomki-V2 α-nucleus potential and TALYS nuclear model code.
doi: 10.1016/j.adt.2021.101453
2021RA22 Phys.Rev. C 104, L042801 (2021) J.S.Randhawa, R.Kanungo, J.Refsgaard, P.Mohr, T.Ahn, M.Alcorta, C.Andreoiu, S.S.Bhattacharjee, B.Davids, G.Christian, A.A.Chen, R.Coleman, P.E.Garrett, G.F.Grinyer, E.G.Fuakye, G.Hackman, J.Hollett, R.Jain, K.Kapoor, R.Krucken, A.Laffoley, A.Lennarz, J.Liang, Z.Meisel, B.Nikhil, A.Psaltis, A.Radich, M.Rocchini, N.Saei, M.Saxena, M.Singh, C.Svensson, P.Subramaniam, A.Talebitaher, S.Upadhyayula, C.Waterfield, J.Williams, M.Williams First direct measurement of 59Cu(p, α)56Ni: step towards constraining the Ni-Cu cycle in the cosmos NUCLEAR REACTIONS 1H(59Cu, α)56Ni, E=8.5 MeV/nucleon, [secondary 59Cu beam from Nb(p, X), E=480 MeV at the TRIUMF cyclotron, followed by re-acceleration of 59Cu beam by ISAC-II superconducting LINAC, solid H2 target]; measured protons and α particles, angle-integrated σ using thick single-sided silicon strip detectors and a layer of thick CsI(Tl) detectors; deduced ratio of integrated σ to total σ, exclusive population of the ground state of 56Ni in (p, α). Comparison with Hauser-Feshbach based statistical model calculations; deduced overestimation of (p, α) cross section in this region. Discussed impact on νp process and x-ray bursts (XRBs). Relevance to Ni-Cu cycle in nucleosynthesis, with competing 59Cu(p, α)56Ni and 59Cu(p, γ)60Zn reactions.
doi: 10.1103/PhysRevC.104.L042801
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
2020MO19 Phys.Rev. C 101, 049801 (2020) Comment on "Observation of annual modulation induced by γ rays from (α, γ) reactions at the Soudan Underground Laboratory'" NUCLEAR REACTIONS 16O(α, γ), E=5.304, 8.784 MeV from the α decays of 210Po and 212Po, daughter products of α decays of Rn isotopes; calculated Eγ, Iγ; discussed implications for annual modulation of events registered at Soudan Underground Laboratory (SUL) from 220,222Rn decay, in connection with the reported measurements by 2017Ti10, and need for an improved analysis of γ-ray fluxes for the understanding of the background contributions at SUL.
doi: 10.1103/PhysRevC.101.049801
2020MO22 Eur.Phys.J. A 56, 127 (2020) Yrast band in the heavy N=Z nucleus 88Ru: α-cluster approach
doi: 10.1140/epja/s10050-020-00145-5
2020MO23 Phys.Rev.Lett. 124, 252701 (2020) P.Mohr, Z.Fulop, G.Gyurky, G.G.Kiss, T.Szucs Successful Prediction of Total α-Induced Reaction Cross Sections at Astrophysically Relevant Sub-Coulomb Energies Using a Novel Approach NUCLEAR REACTIONS 176W(α, γ), E<200 keV; analyzed available data; deduced astrophysical reaction rates, S-factor.
doi: 10.1103/PhysRevLett.124.252701
2019MO19 Phys.Rev. C 99, 055807 (2019) Direct capture cross section of 9Be(n, γ)10Be NUCLEAR REACTIONS 9Be(n, γ), E=0.001-3 MeV; calculated σ(E), radial wave functions of resonance states, and astrophysical reaction rate at T9=0.001-10.0 using direct capture model. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.055807
2019MO23 Int.J.Mod.Phys. E28, 1950029 (2019) Cross-sections at sub-Coulomb energies: Full optical model versus barrier transmission for 40Ca + α NUCLEAR REACTIONS 40Ca(α, p), E(cm)<10 MeV; calculated σ. Comparison with available data.
doi: 10.1142/S0218301319500290
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
2018KI04 Phys.Rev. C 97, 055803 (2018) G.G.Kiss, T.Szucs, P.Mohr, Zs.Torok, R.Huszank, Gy.Gyurky, Zs.Fulop α-induced reactions on 115In: Cross section measurements and statistical model analysis NUCLEAR REACTIONS 115In(α, γ), (α, n)118mSb, E(cm)=8.83-15.58 MeV; 115In(α, n)118Sb, E(cm)=11.10-15.58 MeV; measured Eγ, Iγ, and corrected peak rates of α-irradiated targets, reaction σ(E) using a HPGe detector for γ detection and a low-energy photon spectrometer (LEPS) for x-ray detection at Atomki, Debrecen; deduced reaction σ best fit parameters, σ at energies corresponding to the Gamow window at 2 and 3 GK. Applied best fit parameters to α+113In reaction σ. Comparison with statistical model calculations using TALYS code, and with previous experimental values.
doi: 10.1103/PhysRevC.97.055803
2018MO15 Phys.Rev. C 97, 064613 (2018) Revised cross section of the 13C(α, n)16O reaction between 5 and 8 MeV NUCLEAR REACTIONS 13C(α, n), E=0.8-8 MeV; analyzed previous experiments for σ(E) data and deduced corrected σ(E) based on improved determination of neutron detection efficiency; calculated branching ratios for the (α, n0), (α, n1), (α, n2), (α, n3) and (α, n4) channels using TALYS code, and compared with experimental values.
doi: 10.1103/PhysRevC.97.064613
2018MO28 Phys.Rev. C 98, 045805 (2018) Cross sections of α-induced reactions slightly below doubly magic 40Ca from the statistical model NUCLEAR REACTIONS 38Ar(α, n), (α, p), (α, α)E=5-15 MeV; analyzed σ(E) experimental data with and without width fluctuation correction factor (WFCF), and with different α-nucleus optical model potentials (A-OMPs) within the statistical model using the TALYS code; deduced best fit parameters. 36,40Ar(α, p), (α, n), (α, α), 38Ca(α, p), (α, 2p), E=5-15 MeV; predicted total σ(E) and astrophysical reaction rate of 41Sc producing reaction using the best fit parameters.
doi: 10.1103/PhysRevC.98.045805
2018TA12 Phys.Rev. C 97, 055801 (2018) R.Talwar, M.J.Bojazi, P.Mohr, K.Auranen, M.L.Avila, A.D.Ayangeakaa, J.Harker, C.R.Hoffman, C.L.Jiang, S.A.Kuvin, B.S.Meyer, K.E.Rehm, D.Santiago-Gonzalez, J.Sethi, C.Ugalde, J.R.Winkelbauer Experimental study of 38Ar + α reaction cross sections relevant to the 41Ca abundance in the solar system NUCLEAR REACTIONS 4He(38Ar, p), (38Ar, n), (38Ar, α'), E=133 MeV; measured energies and yields of reaction products, energy- and angle integrated σ(E) using multisampling ionization chamber (MUSIC) detector at the ATLAS-ANL facility. Comparison with previous experimental values, and with statistical model calculations using TALYS code. 41K(p, α)38Ar, 41Ca(n, α)38Ar, T=0.1-10.0 GK; deduced astrophysical reaction rates, and compared with statistical model calculations, and with REACLIB fits. Discussed relevance to 41Ca abundance in the solar system.
doi: 10.1103/PhysRevC.97.055801
2017MO03 Phys.Rev. C 95, 011302 (2017) α-decay properties of 296118 from double-folding potentials RADIOACTIVITY 296Og(α); calculated Q(α) and α-decay half-life from barrier transmission and preformation probability using α-nucleus double-folding potentials.
doi: 10.1103/PhysRevC.95.011302
2017MO05 Phys.Rev. C 95, 015807 (2017) Statistical model analysis of α-induced reaction cross sections of 64Zn at low energies NUCLEAR REACTIONS 64Zn(α, α), (α, γ), (α, n), (α, p), (α, X), E=4-50 MeV; analyzed experimental σ(E) measurements taken from the EXFOR database by statistical model using computer code TALYS, with about 7000 combinations of the α-nucleus, OMPs, nucleon-nucleus OMPs, γ-ray strength functions, and level densities; deduced χ2 fits to the data, total reaction cross sections. Relevance to astrophysical reaction rates.
doi: 10.1103/PhysRevC.95.015807
2017MO37 Phys.Rev. C 96, 045808 (2017) Uncertainty of the astrophysical 17, 18O (α, n) 20, 21Ne reaction rates and the applicability of the statistical model for nuclei with A ≤ 20 NUCLEAR REACTIONS 17O(α, n)20Ne, 18O(α, n)21Ne, E(cm)<6 MeV; analyzed S(E) from neutron counting, and partial (α, n0) and (α, n1) cross section measurements, analyzed reaction rates from NACRE compilations. 20Ne(p, α)17F, E=5-11 MeV; analyzed experimental σ(E). Comparison with statistical model calculations using TALYS code.
doi: 10.1103/PhysRevC.96.045808
2017MO41 Eur.Phys.J. A 53, 209 (2017) α-cluster states in 46, 54Cr from double-folding potentials NUCLEAR STRUCTURE 46,54Cr; calculated α-cluster properties of low-lying (quasi-)bound positive parity states, radius, reduced α-decay widths, B(E2) using double-folding model. Charge density distribution compared with TALYS, B(E2) with ENSDF, other quantities with published Souza and Miyake results. NUCLEAR REACTIONS 50Ti(α, α), E=25i, 104, 140 MeV; calculated σ(θ) using different folding potentials (different densities); deduced optical potential parameters using the data.
doi: 10.1140/epja/i2017-12410-7
2017YA27 Astrophys.J. 848, 98 (2017) S.Q.Yan, Z.H.Li, Y.B.Wang, K.Nishio, M.Lugaro, A.I.Karakas, H.Makii, P.Mohr, J.Su, Y.J.Li, I.Nishinaka, K.Hirose, Y.L.Han, R.Orlandi, Y.P.Shen, B.Guo, S.Zeng, G.Lian, Y.S.Chen, W.P.Liu The 95Zr(n, γ)96Zr Cross Section from the Surrogate Ratio Method and Its Effect on s-process Nucleosynthesis NUCLEAR REACTIONS 94,90Zr(18O, 16O), E=117 MeV; measured reaction products; deduced σ for surrogate reactions. Comparison with KADONIS and ENDF/B-VII.1 evaluated nuclear library and TALYS nuclear code calculations.
doi: 10.3847/1538-4357/aa8c74
2016MO16 Phys.Rev. C 93, 059801 (2016) Comment on "Structure effects in the 15N(n, γ)16N radiative capture reaction from the Coulomb dissociation of 16N" NUCLEAR REACTIONS 15N(n, γ)16N, E(cm)<0.5 MeV; analyzed Coulomb dissociation scenario for cross section measurement as proposed in 2015Ne14 reference; deduced that such experiment is not possible as the dominating branchings of the capture reaction lead to excited states in 16N, which do not contribute in a Coulomb dissociation; also found a discrepancy between the energy dependence of the branching ratios in the Coulomb dissociation calculations by 2015Ne14 and in the direct capture (DC) calculations.
doi: 10.1103/PhysRevC.93.059801
2016MO22 Phys.Rev. C 93, 065804 (2016) Nucleosynthesis of 92Nb and the relevance of the low-lying isomer at 135.5 keV NUCLEAR STRUCTURE 92Nb; calculated stellar transition rate from the ground state to the 135-keV isomer, and the effective half-life of 92Nb ground state as function of the temperature; analyzed influence of 135-keV isomer on the nucleosynthesis of 92Nb; deduced no effect due to this isomer on the production of 92Nb in explosive scenarios of nucleosynthesis. Relevance to the use of 92Nb as a cosmic chronometer.
doi: 10.1103/PhysRevC.93.065804
2016MO23 Astrophys.J. 827, 29 (2016) P.Mohr, C.Heinz, M.Pignatari, I.Dillmann, A.Mengoni, F.Kappeler Re-evaluation of the 16O(N, γ)17O Cross Section at Astrophysical Energies and Its Role as a Neutron Poison in the s-process NUCLEAR REACTIONS 16O(n, γ), E<700 KeV; analyzed available experimental data from KADoNiS and REACLIB, ENDF/B-VII.1, JEFF-3.2, JENDL-4.0 evaluated libraries; deduced Maxwellian-averaged σ, reaction rates.
doi: 10.3847/0004-637X/827/1/29
2016MO26 Phys.Rev. C 94, 035801 (2016) Role of (α, n)reactions under r-process conditions in neutrino-driven winds reexamined NUCLEAR REACTIONS 86Se(α, n), (α, xn), E=1-15 MeV; calculated total reaction σ(E) using several different α-nucleus potentials, reflexion coefficients at energies above, around, and below the Coulomb barrier. Comparison with experimental data, and with σ(E) values for 34S, 44Ti, 50Cr and 64Zn targets. Relevance to astrophysical r-process in nucleosynthesis.
doi: 10.1103/PhysRevC.94.035801
2016OR09 Phys.Rev. C 94, 055807 (2016) A.Ornelas, P.Mohr, Gy.Gyurky, Z.Elekes, Zs.Fulop, Z.Halasz, G.G.Kiss, E.Somorjai, T.Szucs, M.P.Takacs, D.Galaviz, R.T.Guray, Z.Korkulu, N.Ozkan, C.Yalcin alpha scattering and alpha-induced reaction cross sections of 64Zn at low energies NUCLEAR REACTIONS 64Zn(α, α), (α, α'), E=12.05, 16.12 MeV; measured scattered particle spectra, Eα, Iα, elastic σ(θ), inelastic σ(E) at the Atomki cyclotron facility; deduced total σ, parameters of optical potential, phase shifts and reflection coefficients using σ(θ) elastic data at Eα=13.4-50.5 MeV from previous studies and the present work, rise of the elastic cross sections at very backward angles considered as so-called anomalous large-angle elastic scattering (ALAS). 64Zn(α, γ), (α, p), (α, n), E=16.12 MeV; measured Eγ, Iγ, σ using activation technique. Comparison with theoretical calculations based on different global α-nucleus optical potentials, and Hartree-Fock BCS γ-ray strength for (α, γ) channel.
doi: 10.1103/PhysRevC.94.055807
2015FA12 Phys.Rev. C 92, 052802 (2015) T.Faestermann, P.Mohr, R.Hertenberger, H.-F.Wirth Broad levels in 17O and their relevance for the astrophysical s process NUCLEAR REACTIONS 19F(d, α)17O, E=22 MeV; measured Eα, Iα using Q3D spectrograph at TUM, Garching. 17O; deduced levels between 3.8 and 7.8 MeV, J, π, widths. Discussed consequences for resonances populated near 7 MeV in 13C(α, n)16O reaction, relevant in s-process nucleosynthesis.
doi: 10.1103/PhysRevC.92.052802
2015MO09 Eur.Phys.J. A 51, 56 (2015) Cross sections of α-induced reactions for targets with masses A ≈ 20-50 at low energies
doi: 10.1140/epja/i2015-15056-5
2015OR03 Nucl.Phys. A940, 194 (2015) A.Ornelas, G.G.Kiss, P.Mohr, D.Galaviz, Zs.Fulop, Gy.Gyurky, Z.Mate, T.Rauscher, E.Somorjai, K.Sonnabend, A.Zilges The 106Cd(α, α)106Cd elastic scattering in a wide energy range for γ process studies NUCLEAR REACTIONS 106Cd(α, α), E=16.1, 17.7, 19.6 MeV; measured Eα, Iα(θ). 106Cd(α, α), E(cm)=15.6-26.0 MeV; calculated σ(θ) using ATOMKI-V1 optical potential; deduced optical model parameters from fit to available data. Potentials compared with those obtained by others using different potentials. 106Cd(α, n), (α, p), (α, γ), E(cm)=7-13 MeV; calculated S-factor using different potentials. Compared with data.
doi: 10.1016/j.nuclphysa.2015.04.008
2015SZ03 Phys.Rev. C 92, 044328 (2015) Addendum to "Determination of γ-ray widths in 15N using nuclear resonance fluorescence" NUCLEAR REACTIONS 15N(γ, γ'), E<12.6 MeV; analyzed experimental data in authors' previous work 2015Sz02, resonance strengths from 14C(p, γ)15N, and γ-ray branching ratios; deduced levels, J, π, absolute widths Γp, Γγ, Γγ, 0, and Γ of 3/2 levels at 10702 and 10804 keV. Comparison with evaluated data in ENSDF.
doi: 10.1103/PhysRevC.92.044328
2014MO11 Phys.Rev. C 89, 058801 (2014) Unexpected properties of the 33S(α, p)36Cl reaction cross section at low energies NUCLEAR REACTIONS 33S(α, p)36Cl, E=2.5-9 MeV; calculated astrophysical S(E) factor. 33S(α, p), (α, n), E=2.5-9 MeV; calculated σ(α, n)/σ(α, p) as function of energy, single-particle strength per MeV, total reduced σ(E) versus reduced incident energy for α-induced reactions on 33S, 64Zn, 89Y, 106,110,116Cd, 112,120,124Sn, 140Ce, 141Pr, 144Sm targets. NON-SMOKER and TALYS statistical model calculations. Comparison with experimental data for 33S(α, p) reaction shows unexpected behavior.
doi: 10.1103/PhysRevC.89.058801
2014MO39 Phys.Rev. C 90, 065806 (2014) Thermonuclear reaction rate of 18Ne(α, p)21Na from Monte Carlo calculations NUCLEAR REACTIONS 18Ne(α, p), E=1-3 MeV; analyzed resonance strengths for α resonances in 22Mg from 40 keV to 5 MeV, astrophysical S(E) factor; deduced reaction rates for T9=0.1-3.0 using Monte Carlo method. Comparison with previous reaction rates.
doi: 10.1103/PhysRevC.90.065806
2014ZH05 Phys.Rev. C 89, 015804 (2014) L.Y.Zhang, J.J.He, A.Parikh, S.W.Xu, H.Yamaguchi, D.Kahl, S.Kubono, P.Mohr, J.Hu, P.Ma, S.Z.Chen, Y.Wakabayashi, H.W.Wang, W.D.Tian, R.F.Chen, B.Guo, T.Hashimoto, Y.Togano, S.Hayakawa, T.Teranishi, N.Iwasa, T.Yamada, T.Komatsubara, Y.H.Zhang, X.H.Zhou Investigation of the thermonuclear 18Ne(α, p)21Na reaction rate via resonant elastic scattering of 21Na + p NUCLEAR REACTIONS 1H(21Na, p), E=89 MeV, [21Na secondary beam from 2H(20Ne, X), E=8.2 MeV/nucleon primary reaction]; measured particle spectra, Ep, Ip, σ using CNS Radioactive Ion Beam Separator at RIKEN facility. 22Mg; deduced levels, resonances, J, π, proton widths, resonance parameters by R-matrix analysis. comparison with previous experimental results. 18Ne(α, p)21Na; deduced thermonuclear reaction rates. One-zone postprocessing x-ray burst calculations, and effect on peak nuclear energy generation rate, reaction fluxes, and onset temperature of breakout reaction from hot CNO cycles to rp process in type I x-ray bursts.
doi: 10.1103/PhysRevC.89.015804
2013KI11 Phys.Rev. C 88, 045804 (2013) G.G.Kiss, P.Mohr, Zs.Fulop, T.Rauscher, Gy.Gyurky, T.Szucs, Z.Halasz, E.Somorjai, A.Ornelas, C.Yalcin, R.T.Guray, N.Ozkan High precision 113In(α, α)113In elastic scattering at energies near the Coulomb barrier for the astrophysical γ process NUCLEAR REACTIONS 113In(α, α), E=16.15-19.15 MeV; measured E(α), I(α), σ(E, θ) at ATOMKI facility in Debrecen; deduced global α+nucleus optical model parameters. Comparison with reduced σ for 89Y+α, 92Mo+α, 106,110,116Cd+α, 112,124Sn+α and 144Sm+α reactions. 113In(α, γ)117Sb, 113In(α, n)116Sb, E=8-15 MeV; deduced astrophysical S(E) factor, σ ratio. Relevance to γ process for production of p nuclei in supernova explosions.
doi: 10.1103/PhysRevC.88.045804
2013MO07 Phys.Rev. C 87, 035801 (2013) Examination and experimental constraints of the stellar reaction rate factor NA (σν) of the 18Ne(α, p)21Na reaction at temperatures of x-ray bursts NUCLEAR REACTIONS 18Ne(α, p)21Na, E=0.9-3.2 MeV; analyzed and compiled σ(E) data, stellar reaction rate factors; recommended new reaction rate factors. comparison between direct and inverse reaction rates. Implications for the breakout from HCNO cycle.
doi: 10.1103/PhysRevC.87.035801
2013MO08 Phys.Rev. C 87, 035802 (2013) Total reaction cross section σreac of α-induced reactions from elastic scattering: The example 140Ce(α, α)140Ce NUCLEAR REACTIONS 140Ce(α, α), E<40 MeV; analyzed σ(θ, E) data; deduced reflection coefficients, optical potentials. 64Zn, 89Y, 106,110,116Cd, 112,120,124Sn, 140Ce, 141Pr, 144Sm(α, α), E=0.7-3.0 MeV; compared reduced σ(E) data with predictions from global a-nucleus potentials. Optical model. 143Nd(n, α)140Ce, E<10 MeV; calculated σ(E) using MCF potential in the statistical model code TALYS; comparison with experimental data.
doi: 10.1103/PhysRevC.87.035802
2013MO28 At.Data Nucl.Data Tables 99, 651 (2013) P.Mohr, G.G.Kiss, Zs.Fulop, D.Galaviz, Gy.Gyurky, E.Somorjai Elastic alpha scattering experiments and the alpha-nucleus optical potential at low energies NUCLEAR REACTIONS 89Y, 92Mo, 106,110,116Cd, 112,124Sn, 144Sm(α, α), E<20 MeV; analyzed available data; deduced σ, σ(θ), Woods-Saxon potential parameters.
doi: 10.1016/j.adt.2012.10.003
2012GY02 J.Phys.:Conf.Ser. 337, 012009 (2012) Gy.Gyurky, J.Farkas, Z.Halasz, Zs.Fulop, E.Somorjai, T.Szucs, P.Mohr, A.Wallner Experimental study of α-induced reactions on 64Zn for the astrophysical γ-process NUCLEAR REACTIONS 64Zn(α, n), (α, p), (α, γ), (α, α), E=4-8.8 MeV; measured Eγ, Iγ; deduced (α, p) σ using activation method; calculated (α, p) σ using NON-SMOKER and TALYS.
doi: 10.1088/1742-6596/337/1/012009
2012GY03 Phys.Rev. C 86, 041601 (2012) Gy.Gyurky, P.Mohr, Zs.Fulop, Z.Halasz, G.G.Kiss, T.Szucs, E.Somorjai Relation between total cross sections from elastic scattering and α-induced reactions: The example of 64Zn NUCLEAR REACTIONS 64Zn(α, γ), (α, p), (α, n), E(cm)=5.8-12.4 MeV; measured Eγ, Iγ, σ(E); deduced total reaction σ by comparison with σ for 64Zn(α, α) reaction, astrophysical S factor. Comparison with statistical model predictions.
doi: 10.1103/PhysRevC.86.041601
2012KI15 J.Phys.:Conf.Ser. 337, 012029 (2012) G.G.Kiss, P.Mohr, Zs.Fulop, Gy.Gyurky, Z.Elekes, J.Farkas, E.Somorjai, D.Galaviz, R.T.Guray, N.Ozkan, C.Yalcin, J.Gorres Investigating the variation of elastic alpha scattering cross sections in the A ∼ 100 region NUCLEAR REACTIONS 110,116Cd(α, α), E=16.14, 19.46 MeV; measured Eα, Iα(θ); deduced σ(θ); calculated σ(θ) using optical model with various parameters sets.
doi: 10.1088/1742-6596/337/1/012029
2012MO17 Nucl.Instrum.Methods Phys.Res. A688, 62 (2012) Recommended cross-section of the 16O(p, γ)17F reaction below 2.5 MeV: A potential tool for quantitative analysis and depth profiling of oxygen NUCLEAR REACTIONS 16O(p, γ), E=0.5-2.5 MeV; analyzed available data; deduced recommended σ and uncertainties. Comparison with available data.
doi: 10.1016/j.nima.2012.05.084
2012MO33 Phys.Rev. C 86, 068803 (2012) Direct capture in the 130Sn(n, γ)131Sn and 132Sn(n, γ)133 Sn reactions under r-process conditions NUCLEAR REACTIONS 130,132Sn(n, γ), E<1.5 MeV; calculated direct capture σ(E), stellar reaction rates as function of temperature T9. Influence of low-lying resonances on stellar reaction rates.
doi: 10.1103/PhysRevC.86.068803
2012MO42 Rev.Mod.Phys. 84, 1527 (2012) P.J.Mohr, B.N.Taylor, D.B.Newell CODATA recommended values of the fundamental physical constants: 2010
doi: 10.1103/RevModPhys.84.1527
2012OR03 J.Phys.:Conf.Ser. 337, 012030 (2012) A.Ornelas, D.Galaviz, Zs.Fulop, Gy.Gyurky, G.Kiss, Z.Mate, P.Mohr, T.Rauscher, E.Somorjai, K.Sonnabend, A.Zilges Investigation of α-nuclear potential families from elastic scattering experiments NUCLEAR REACTIONS 106Cd(α, γ), E(cm)=7-12 MeV;106Cd(α, n), E(cm)=10-12 MeV; calculated S-factor using various sets of optical model parameters. 106Cd(α, α), E=16.1-18.8 MeV; calculated σ(θ) using various sets of optical model parameters. Compared with published data of the same group.
doi: 10.1088/1742-6596/337/1/012030
2011KI15 Phys.Rev. C 83, 065807 (2011) G.G.Kiss, P.Mohr, Zs.Fulop, Gy.Gyurky, Z.Elekes, J.Farkas, E.Somorjai, C.Yalcin, D.Galaviz, R.T.Guray, N.Ozkan, J.Gorres 110, 116Cd(α, α)110, 116Cd elastic scattering and systematic investigation of elastic α scattering cross sections along the Z=48 isotopic and N=62 isotonic chains NUCLEAR REACTIONS 110,116Cd(α, α'), E=16.4, 19.46 MeV; measured Eα, yields and σ(θ). 106Cd, 112Sn(α, α'), E(cm)=15.6, 18.9 MeV; analyzed σ(θ) data. 110,116Cd(α, α), E=8-20 MeV; analyzed σ(E) data. Optical model analysis and predictions. Global parameterization of the α-nucleus potential used in astrophysical p-process calculations.
doi: 10.1103/PhysRevC.83.065807
2011MO26 Phys.Rev. C 84, 055803 (2011) Total reaction cross sections from 141Pr(α, α)141Pr elastic scattering and α-induced reaction cross sections at low energies NUCLEAR REACTIONS 141Pr(α, α), E=19.0, 23.97, 32.0, 37.7, 45.0; analyzed σ(θ) data; deduced energy-dependent local optical potential parameters. 141Pr(α, n), (α, 2n), E(cm)=10-50 MeV; analyzed total reaction cross sections, and astrophysical S factors using parameters from elastic scattering analysis.
doi: 10.1103/PhysRevC.84.055803
2010CR05 J.Phys.:Conf.Ser. 202, 012033 (2010) S.Cristallo, L.Piersanti, R.Gallino, O.Straniero, F.Kappeler, I.Dominguez, P.Mohr The long-standing problem of 176Lu/176Hf branching: A new approach with full stellar evolutionary models NUCLEAR REACTIONS 175Lu(n, γ), E above 15 keV; calculated long-term time behaviour of 176Lu and 176Hf [product of β-decay of excited 176Lu].
doi: 10.1088/1742-6596/202/1/012033
2010GO10 Phys.Rev. C 81, 055808 (2010) Modification of nuclear transitions in stellar plasma by electronic processes: K isomers in 176Lu and 180Ta under s-process conditions NUCLEAR STRUCTURE 176Lu, 180Ta; calculated transition rates enhancements for nuclear excitation by electron capture (NEEC) process for transitions between high-K, low-K and intermediate states, and partial half-lives as function of temperature in stellar plasma environment.
doi: 10.1103/PhysRevC.81.055808
2010HA27 Phys.Rev. C 82, 058801 (2010) T.Hayakawa, P.Mohr, T.Kajino, S.Chiba, G.J.Mathews Reanalysis of the (J=5) state at 592 keV in 180Ta and its role in the υ-process nucleosynthesis of 180Ta in supernovae NUCLEAR STRUCTURE 180mTa; analyzed production and freeze out of 180mTa through the influence of a spin 5 state at 592 keV. Implication for coproduction by neutrino nucleosynthesis with an electron neutrino temperature of kT AP 4 MeV. 180Ta; discussed low-K and high-K rotational band structures; deduced astrophysical reaction rates.
doi: 10.1103/PhysRevC.82.058801
2010HA28 Phys.Rev. C 82, 065803 (2010) F.Hammache, M.Heil, S.Typel, D.Galaviz, K.Summerer, A.Coc, F.Uhlig, F.Attallah, M.Caamano, D.Cortina, H.Geissel, M.Hellstrom, N.Iwasa, J.Kiener, P.Koczon, B.Kohlmeyer, P.Mohr, E.Schwab, K.Schwarz, F.Schumann, P.Senger, O.Sorlin, V.Tatischeff, J.P.Thibaud, E.Vangioni, A.Wagner, W.Walus High-energy breakup of 6Li as a tool to study the Big Bang nucleosynthesis reaction 2H(α, γ)6Li NUCLEAR REACTIONS 208Pb(6Li, dα), E=150 MeV/nucleon; measured 2H and α particle spectra, angles, positions and energy loss of 2H and α particles, cross section, σ(θ) of excited 6Li; deduced E1, E2, and total S24 factors. Comparison with previous experimental data and GEANT simulations. 2H(α, γ); deduced astrophysical nuclear reaction rates from breakup of 6Li. Predictions for the 6Li/1H production ratio in Big Bang nucleosynthesis. NUCLEAR REACTIONS 208Pb(d, d), E=110, 140 MeV; 208Pb(α, α), E=480, 699 MeV; 208Pb(6Li, 6Li), E=600 MeV; analyzed σ(θ) data; deduced Woods-Saxon potential parameters.
doi: 10.1103/PhysRevC.82.065803
2010MO26 Phys.Rev. C 82, 044606 (2010) P.Mohr, P.N.de Faria, R.Lichtenthaler, K.C.C.Pires, V.Guimaraes, A.Lepine-Szily, D.R.Mendes, Jr., A.Arazi, A.Barioni, V.Morcelle, M.C.Morais Comparison of 120Sn(6He, 6He)120Sn and 120Sn(α, α)120Sn elastic scattering and signatures of the 6He neutron halo in the optical potential NUCLEAR REACTIONS 120Sn(α, α), E=20.0, 26.1, 27.1, 29.7, 30.8, 34.4, 40.0, 50.5 MeV; 120Sn(6He, 6He), E=17.4, 18.05, 19.8, 20.50 MeV; analyzed σ, excitation functions, reflection coefficients using systematic double-folding Woods-Saxon potentials.
doi: 10.1103/PhysRevC.82.044606
2010MO27 Phys.Rev. C 82, 047601 (2010) P.Mohr, D.Galaviz, Zs.Fulop, Gy.Gyurky, G.G.Kiss, E.Somorjai Total reaction cross sections from elastic α-nucleus scattering angular distributions around the Coulomb barrier NUCLEAR REACTIONS 89Y(α, α), E(cm)=15.51, 18.63 MeV; 92Mo(α, α), E(cm)=13.20, 15.69, 18.62 MeV; 112Sn(α, α), E(cm)=13.90, 18.84 MeV; 124Sn(α, α), E(cm)=18.90 MeV; 144Sm(α, α), E(cm)=19.45 MeV; analyzed total reaction σ, σ(θ) using optical model calculations.
doi: 10.1103/PhysRevC.82.047601
2009KI16 Phys.Rev. C 80, 045807 (2009) G.G.Kiss, P.Mohr, Zs.Fulop, D.Galaviz, Gy.Gyurky, Z.Elekes, E.Somorjai, A.Kretschmer, K.Sonnabend, A.Zilges, M.Avrigeanu High precision 89Y(α, α)89Y scattering at low energies NUCLEAR REACTIONS 89Y(α, α), E(cm)=15.51, 18.63 MeV; measured Eα, Iα, σ; deduced parameters for local scattering potentials. 89Y(α, α), E(cm)=20.1, 22.0, 23.9, 40.2, 62.2, 158.9 MeV; 92Mo(α, α), E(cm)=15.69, 18.62 MeV; analyzed σ and σ(θ) measurements with different potential parameters. 93Nb; analyzed α-cluster states in 89Y+α system, bands, and B(E2) using potential parameters close to those for the scattering potential.
doi: 10.1103/PhysRevC.80.045807
2009MO10 Phys.Rev. C 79, 045804 (2009) P.Mohr, S.Bisterzo, R.Gallino, F.Kappeler, U.Kneissl, N.Winckler Properties of the 5- state at 839 keV in 176Lu and the s-process branching at A=176 NUCLEAR STRUCTURE 176Lu; analyzed partial level scheme, coupling between low- and high-K states; calculated reaction rates for photoactivation process and for transitions from high K ground state to low K isomers in 176Lu. Implications for 176Lu/176Hf as thermometer for astrophysical s-process.
doi: 10.1103/PhysRevC.79.045804
2009MO19 Phys.Rev. C 79, 065804 (2009) Low-energy 3He(α, α)3He elastic scattering and the 3He(α, γ)7Be reaction NUCLEAR REACTIONS 3He(α, α), E(cm)=1407, 1597, 1711, 2053, 2715, 3252 keV; 3He(α, γ)7Be, E(cm)=0.1, 3.0 MeV; calculated σ, σ(θ), wavefunctions, phase shifts, astrophysical S factors, and branching ratios using direct capture two-body model with a double-folding potential. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.065804
2008IL02 Phys.Rev. C 77, 045802 (2008) C.Iliadis, C.Angulo, P.Descouvemont, M.Lugaro, P.Mohr New reaction rate for 16O(p, γ)17F and its influence on the oxygen isotopic ratios in massive AGB stars NUCLEAR REACTIONS 16O(p, γ), E<3.5 MeV; evaluated σ, deduced astrophysical S-factor, reaction rate. Compared with rate of 17O(p, α) reaction.
doi: 10.1103/PhysRevC.77.045802
2008KI06 J.Phys.(London) G35, 014037 (2008) G.G.Kiss, G.Gyurky, Z.Fulop, E.Somorjai, D.Galaviz, A.Kretschmer, K.Sonnabend, A.Zilges, P.Mohr, M.Avrigeanu Study of the 89Y(α, α)89Y reaction close to the Coulomb barrier NUCLEAR REACTIONS 89Y(α, α), E(cm)=15.5, 18.6 MeV; measured Eα, Iα, σ(θ).
doi: 10.1088/0954-3899/35/1/014037
2008MO18 Rev.Mod.Phys. 80, 633 (2008) P.J.Mohr, B.N.Taylor, D.B.Newell CODATA recommended values of the fundamental physical constants: 2006
doi: 10.1103/RevModPhys.80.633
2008MU12 Phys.Rev. C 77, 051601 (2008) A.M.Mukhamedzhanov, F.M.Nunes, P.Mohr Benchmark on neutron capture extracted from (d, p) reactions NUCLEAR REACTIONS 48Ca(d, p), E=2, 13, 19, 56 MeV; 48Ca(n, γ), E=25 MeV; analyzed angular distributions; deduced asymptotic normalization coefficients, spectroscopic factors.
doi: 10.1103/PhysRevC.77.051601
2007MO01 Phys.Rev. C 75, 012802 (2007) Survival of nature's rarest isotope 180Ta under stellar conditions NUCLEAR REACTIONS 180mTa(γ, γ'), E=low; analyzed σ, T1/2 in stellar environment.
doi: 10.1103/PhysRevC.75.012802
2007MO03 Eur.Phys.J. A 31, 23 (2007) Super-allowed α decay above doubly-magic 100Sn and properties of 104Te = 100Sn (X) α RADIOACTIVITY 104,105,106Te, 108,109,110Xe, 212,213,214Po, 216,217,218Rn(α); calculated α-decay T1/2, Qα, preformation factors. Double-folding potentials.
doi: 10.1140/epja/i2006-10168-7
2007MO33 Eur.Phys.J. A 32, 357 (2007) P.Mohr, Zs.Fulop, H.Utsunomiya Photo-induced nucleosynthesis: Current problems and experimental approaches NUCLEAR REACTIONS 92Mo, 144Sm, 186Os(α, γ), E=5-15 MeV; calculated astrophysical S-factor and suggested an improved S-factor.
doi: 10.1140/epja/i2006-10378-y
2006MO06 Phys.Rev. C 73, 031301 (2006); Erratum Phys.Rev. C 74, 069902 (2006) α-nucleus potentials, α-decay half-lives, and shell closures for superheavy nuclei NUCLEAR STRUCTURE A=130-146; A=208-290; analyzed α-decay preformation factors, volume integrals, shell closure features, α-nucleus potential strength parameters. Folding potential. RADIOACTIVITY 326132, 310126(α); calculated Eα, T1/2. Folding potential.
doi: 10.1103/PhysRevC.73.031301
2006MO29 Eur.Phys.J. A 27, Supplement 1, 75 (2006) P.Mohr, C.Angulo, P.Descouvemont, H.Utsunomiya Relation between the 16O(α, γ)20Ne reaction and its reverse 20Ne(γ, α)16O reaction in stars and in the laboratory NUCLEAR REACTIONS 16O(α, γ), 20Ne(γ, α), E=low; analyzed astrophysical reaction rates.
doi: 10.1140/epja/i2006-08-010-1
2006UT02 Eur.Phys.J. A 27, Supplement 1, 153 (2006) H.Utsunomiya, S.Goko, H.Toyokawa, H.Ohgaki, K.Soutome, H.Yonehara, S.Goriely, P.Mohr, Zs.Fulop Photonuclear reaction data and γ-ray sources for astrophysics NUCLEAR REACTIONS 139La, 141Pr, 186W, 187Re, 188Os(γ, n), E ≈ 8-16 MeV; measured photodisintegration σ.
doi: 10.1140/epja/i2006-08-023-8
2006UT04 Nucl.Phys. A777, 459 (2006) H.Utsunomiya, P.Mohr, A.Zilges, M.Rayet Direct determination of photodisintegration cross sections and the p-process NUCLEAR REACTIONS 186W, 185,187Re, 190,192,198Pt, 197Au, 196,198,204Hg, 204Pb(γ, n), E=spectrum; analyzed reaction rate. 148Gd(γ, n), (γ, α), E=0-12 MeV; calculated reaction rate integral. Hauser-Feshbach model. 181Ta(γ, n), E=7.5-13.5 MeV; analyzed σ. Hauser-Feshbach with quasi-particle RPA. Comparison with data. NUCLEAR STRUCTURE 138Ba, 140Ce, 142Nd, 144Sm; analyzed B(E1).
doi: 10.1016/j.nuclphysa.2004.06.025
2005GA21 Phys.Rev. C 71, 065802 (2005) D.Galaviz, Zs.Fulop, Gy.Gyurky, Z.Mate, P.Mohr, T.Rauscher, E.Somorjai, A.Zilges Elastic α scattering on 112Sn and 124Sn at astrophysically relevant energies NUCLEAR REACTIONS 112Sn(α, α), E=14.4, 19.5 MeV; 124Sn(α, α), E=19.5 MeV; measured elastic σ(θ); deduced optical potential parameters. 112Sn(α, γ), E(cm)=7-11 MeV; calculated astrophysical S-factors, reaction rates.
doi: 10.1103/PhysRevC.71.065802
2005MO16 Rev.Mod.Phys. 77, 1 (2005) CODATA recommended values of the fundamental physical constants: 2002
doi: 10.1103/RevModPhys.77.1
2005MO34 Phys.Rev. C 72, 035803 (2005) Low-energy direct capture in the 16O(α, γ)20Ne reaction NUCLEAR REACTIONS 16O(α, γ), E=0-1 MeV; calculated astrophysical S-factor, reaction rate, branching ratios. Comparison with previous results.
doi: 10.1103/PhysRevC.72.035803
2005SH37 Phys.Rev. C 72, 025808 (2005) T.Shizuma, H.Utsunomiya, P.Mohr, T.Hayakawa, S.Goko, A.Makinaga, H.Akimune, T.Yamagata, M.Ohta, H.Ohgaki, Y.-W.Lui, H.Toyokawa, A.Uritani, S.Goriely Photodisintegration cross section measurements on 186W, 187Re, and 188Os: Implications for the Re-Os cosmochronology NUCLEAR REACTIONS 186W, 187Re, 188Os(γ, n), E=7.3-10.9 MeV; measured σ. 185W, 186Re, 187Os(n, γ), E < 100 keV; calculated capture σ. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.72.025808
2005SH41 Nucl.Phys. A758, 561c (2005) T.Shizuma, H.Utsunomiya, S.Goko, P.Mohr, T.Hayakawa, A.Makinaga, K.Y.Hara, H.Ohgaki, Y.-W.Lui, S.Goriely Photoneutron cross section measurements on 186W, 187Re and 188Os for cosmochronology NUCLEAR REACTIONS 188Os(γ, n), E=8-11 MeV; measured σ; deduced parameters. 187Os(n, γ), E=5-50 keV; calculated capture σ. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2005.05.103
2004MO11 Phys.Rev. C 69, 032801 (2004) P.Mohr, T.Shizuma, H.Ueda, S.Goko, A.Makinaga, K.Y.Hara, T.Hayakawa, Y.-W.Lui, H.Ohgaki, H.Utsunomiya s-process branching at 185W revised NUCLEAR REACTIONS 186W(γ, n), E ≈ 4-11 MeV; measured neutron spectra, photodisintegration σ. 185W(n, γ), E=low; deduced capture σ. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.69.032801
2004UT01 Nucl.Phys. A738, 136 (2004) H.Utsunomiya, K.Y.Hara, S.Goko, H.Akimune, T.Yamagata, M.Ohta, H.Ohgaki, H.Toyokawa, T.Hayakawa, T.Shizuma, P.Mohr, Y.-W.Lui, H.Ohkuma, H.Yonehara, K.Soutome, M.Arnould Photonuclear reaction studies at synchrotron radiation facilities in Japan
doi: 10.1016/j.nuclphysa.2004.04.022
2003GA30 Nucl.Phys. A718, 578c (2003) D.Galaviz, M.Babilon, Zs.Fulop, Gy.Gyurky, R.Hillier, Z.Mate, P.Mohr, T.Rauscher, E.Somorjai, A.Zilges, L.Zolnai α-nucleus Potentials and Photon-induced Nucleosynthesis NUCLEAR REACTIONS 112Sn(α, α), E(cm) ≈ 14 MeV; measured σ(θ); deduced optical potential parameters.
doi: 10.1016/S0375-9474(03)00858-3
2003GA33 Nucl.Phys. A719, 111c (2003) D.Galaviz, M.Babilon, Zs.Fulop, Gy.Gyurky, Z.Mate, R.Hillier, P.Mohr, T.Rauscher, E.Somorjai, A.Zilges, L.Zolnai Determination of α-nucleus potentials by α-elastic scattering and its implications for the γ-process NUCLEAR REACTIONS 112,124Sn(α, α), E(cm) ≈ 19 MeV; measured σ(θ); deduced potential parameters. Astrophysical implications discussed.
doi: 10.1016/S0375-9474(03)00977-1
2003HA33 Nucl.Phys. A719, 308c (2003) T.Hartmann, S.Volz, M.Babilon, P.Mohr, K.Vogt, A.Zilges E1 strength in N = 82 nuclei NUCLEAR REACTIONS 138Ba, 140Ce, 144Sm(γ, γ'), E ≈ 9-10 MeV bremsstrahlung; measured Eγ, Iγ. 138Ba, 140Ce, 144Sm deduced E1 strength distributions, related features.
doi: 10.1016/S0375-9474(03)00938-2
2003MO12 Phys.Rev. C 67, 065802 (2003) Low-energy direct capture in the 8Li(n, γ)9Li and 8B(p, γ)9C reactions NUCLEAR REACTIONS 8Li(n, γ), E<1 MeV; calculated direct capture σ. 8B(p, γ), E=low; calculated astrophysical S-factor. Direct capture model.
doi: 10.1103/PhysRevC.67.065802
2003MO24 Nucl.Phys. A718, 243c (2003) P.Mohr, T.Rauscher, K.Sonnabend, K.Vogt, A.Zilges Photoreactions in Nuclear Astrophysics NUCLEAR REACTIONS 186W, 190,192,198Pt, 196,198,204Hg, 197Au, 204Pb(γ, n), E ≈ threshold; measured σ. Photoactivation technique, comparison with model predictions.
doi: 10.1016/S0375-9474(03)00721-8
2003MO29 Nucl.Phys. A719, 90c (2003) P.Mohr, M.Babilon, D.Galaviz, K.Sonnabend, K.Vogt, A.Zilges Nucleosynthesis by photon-induced reactions NUCLEAR REACTIONS 148Gd(γ, n), (γ, α), E=0-20 MeV; calculated σ, astrophysical reaction rates.
doi: 10.1016/S0375-9474(03)00973-4
2003SO05 Astrophys.J. 583, 506 (2003) K.Sonnabend, P.Mohr, K.Vogt, A.Zilges, A.Mengoni, T.Rauscher, H.Beer, F.Kappeler, R.Gallino The s-Process Branching at 185W NUCLEAR REACTIONS 186W(γ, n), E=8775 keV bremsstrahlung; measured σ. 186W(γ, n), E=7-10 MeV; calculated σ. 185W(n, γ), E=stellar; calculated Maxwellian averaged σ, astrophysical s-process branching. Activation technique.
doi: 10.1086/345086
2003SO18 Nucl.Phys. A718, 533c (2003) K.Sonnabend, A.Mengoni, P.Mohr, T.Rauscher, K.Vogt, A.Zilges Determination of the (n, γ) reaction rate of unstable 185W in the astrophysical s-process via its inverse reaction NUCLEAR REACTIONS 186W(γ, n), E=8775 keV bremsstrahlung; measured reaction rate. 185W(n, γ), E=low; deduced Maxwellian averaged capture σ. Activation technique. RADIOACTIVITY 185W(β-) [from 186W(γ, n)]; measured Eγ, Iγ, T1/2.
doi: 10.1016/S0375-9474(03)00835-2
2003SO20 Nucl.Phys. A719, 123c (2003) K.Sonnabend, A.Mengoni, P.Mohr, T.Rauscher, K.Vogt, A.Zilges Determination of (n, γ) reaction rates at s-process branching points via their inverse reactions NUCLEAR REACTIONS 96Zr, 197Au(γ, n), E ≈ 8000-10000 keV bremsstrahlung; measured energy-integrated σ. Astrophysical implications discussed.
doi: 10.1016/S0375-9474(03)00980-1
2003SO23 Phys.Rev. C 68, 048802 (2003) K.Sonnabend, P.Mohr, A.Zilges, R.Hertenberger, H.-F.Wirth, G.Graw, T.Faestermann First excited state of the s-process branching nucleus 95Zr NUCLEAR REACTIONS 94Zr(d, p), E=22 MeV; measured Ep, σ(θ). 95Zr deduced levels. Comparison with previous results.
doi: 10.1103/PhysRevC.68.048802
2003VO16 Nucl.Phys. A718, 575c (2003) K.Vogt, P.Mohr, T.Rauscher, K.Sonnabend, A.Zilges Determination of (γ, n) reaction rates for the astrophysical γ process NUCLEAR REACTIONS 204Pb(γ, n), E ≈ 8700-9700 keV bremsstrahlung; measured photoactivation σ.
doi: 10.1016/S0375-9474(03)00857-1
2002BA28 Phys.Rev. C65, 037303 (2002) M.Babilon, T.Hartmann, P.Mohr, K.Vogt, S.Volz, A.Zilges Dipole and Electric Quadrupole Excitations in 32S up to 9.9 MeV NUCLEAR REACTIONS 32S(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 32S deduced levels, J, π, excitation B(E1), B(M1), B(E2), possible two-phonon state.
doi: 10.1103/PhysRevC.65.037303
2002BA81 Phys.Rev. C66, 028801 (2002) M.Babilon, W.Bayer, D.Galaviz, T.Hartmann, C.Hutter, P.Mohr, W.Rochow, K.Sonnabend, K.Vogt, S.Volz, A.Zilges Resonance strengths for the reaction 28Si(α, γ)32S at low energies NUCLEAR REACTIONS 28Si(α, γ), E=2.91 MeV; measured Eγ, Iγ; deduced resonance features, astrophysical reaction rate. 32S deduced resonances J, π, strength.
doi: 10.1103/PhysRevC.66.028801
2002BE18 Phys.Rev. C65, 035801 (2002) D.Belic, C.Arlandini, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, E.Kolbe, K.Langanke, M.Loewe, H.J.Maier, H.Maser, P.Mohr, P.von Neumann-Cosel, A.Nord, H.H.Pitz, A.Richter, M.Schumann, F.-K.Thielemann, S.Volz, A.Zilges Photo-Induced Depopulation of the 180Tam Isomer via Low-Lying Intermediate States: Structure and astrophysical implications NUCLEAR REACTIONS 180mTa(γ, γ'), E=0.8-3.1 MeV bremsstrahlung; measured delayed Eγ, Iγ, X-ray spectra; deduced activation yields. 180Ta deduced intermediate states energies, transition strengths. Astrophysical implications discussed. Comparisons with previous results, model predictions. RADIOACTIVITY 180Ta(EC), (β-); measured T1/2.
doi: 10.1103/PhysRevC.65.035801
2002BE37 Nucl.Phys. A705, 239 (2002) H.Beer, P.V.Sedyshev, W.Rochow, P.Mohr, H.Oberhummer Neutron Capture Measurements of the Noble Gas Isotopes 22Ne, 40Ar and 78, 80, 84, 86Kr in the keV Energy Region NUCLEAR REACTIONS 22Ne, 40Ar, 78,80,84,86Kr(n, γ), E=25-215 keV; measured capture σ; deduced astrophysical reaction rates. 85Kr deduced probability of isomeric state population. Activation technique, high-pressure gas targets.
doi: 10.1016/S0375-9474(02)00645-0
2002BE70 Nucl.Phys. A709, 453 (2002) H.Beer, P.V.Sedyshev, W.Rochow, T.Rauscher, P.Mohr Neutron Capture of 30Si NUCLEAR REACTIONS 30Si(n, γ), E=25-215 keV; measured capture σ; deduced Maxwellian averaged σ, resonance parameters. Activation technique.
doi: 10.1016/S0375-9474(02)01030-8
2002FU04 J.Phys.(London) G28, 643 (2002) M.Fujiwara, T.Kawabata, P.Mohr Alpha-Decay Rates of Yb and Gd in Solar-Neutrino Detectors RADIOACTIVITY 168,170,171,172,173,174,176Yb, 148,150,152,154Gd(α); calculated T1/2. Implications for background counts in solar neutrino detectors discussed.
doi: 10.1088/0954-3899/28/4/305
2002HA13 Phys.Rev. C65, 034301 (2002) T.Hartmann, J.Enders, P.Mohr, K.Vogt, S.Volz, A.Zilges Dipole and Electric Quadrupole Excitations in 40, 48Ca NUCLEAR REACTIONS 40,48Ca(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 40,48Ca deduced levels, J, π, widths, B(E1) and B(E2) distributions. Comparison with model predictions.
doi: 10.1103/PhysRevC.65.034301
2002RE29 Phys.Rev.Lett. 89, 132501 (2002) K.E.Rehm, C.L.Jiang, I.Ahmad, J.Caggiano, P.Collon, J.P.Greene, D.Henderson, A.Heinz, R.V.F.Janssens, R.C.Pardo, T.Pennington, J.P.Schiffer, R.H.Siemssen, A.H.Wuosmaa, M.Paul, P.Mohr Large Angle Elastic Alpha Scattering on a N = Z Nucleus above A = 40 NUCLEAR REACTIONS 4He(44Ti, 44Ti), (44Ti, 44Ti'), (40Ca, 40Ca), E(cm)=21.8 MeV; measured σ(θ); deduced angle-integrated σ, optical model parameters.
doi: 10.1103/PhysRevLett.89.132501
2002VO13 Nucl.Phys. A707, 241 (2002) K.Vogt, P.Mohr, M.Babilon, W.Bayer, D.Galaviz, T.Hartmann, C.Hutter, T.Rauscher, K.Sonnabend, S.Volz, A.Zilges Measurement of the (γ, n) Cross Section of the Nucleus 197Au Close Above the Reaction Threshold NUCLEAR REACTIONS 197Au(γ, n), E=8325-9900 keV bremsstrahlung; measured σ; deduced astrophysical reaction rates. Photoactivation technique. Comparison with previous results and model predictions.
doi: 10.1016/S0375-9474(02)00922-3
2002WI18 Phys.Rev. C 66, 065802 (2002) S.Wilmes, V.Wilmes, G.Staudt, P.Mohr, J.W.Hammer The 15N(α, γ)19F reaction and nucleosynthesis of 19F NUCLEAR REACTIONS 15N(α, γ), E=461-2642 keV; measured Eγ, Iγ; deduced resonance energies, strengths, widths, and branching ratios, astrophysical reaction rates. 19F deduced levels.
doi: 10.1103/PhysRevC.66.065802
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