NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = Z.Kohley Found 66 matches. 2021HU08 Chin.Phys.C 45, 024003 (2021) M.Huang, A.Bonasera, S.Zhang, H.Zheng, D.X.Wang, J.C.Wang, N.Song, X.Tang, L.Lu, G.Zhang, Z.Kohley, M.R.D.Rodrigues, Y.G.Ma, S.J.Yennello Four α correlations in nuclear fragmentation: a game of resonances NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured reaction products, Eα, Iα. 4He; deduced yields, correlation functions, strong resonances among α-particles.
doi: 10.1088/1674-1137/abce52
2020HA11 Phys.Rev. C 101, 034605 (2020) A.Hannaman, A.B.McIntosh, A.Jedele, A.Abbott, J.Gauthier, K.Hagel, B.Harvey, Z.Kohley, Y.Lui, L.A.McIntosh, A.Rodriguez Manso, M.Sorensen, Z.Tobin, R.Wada, M.Youngs, S.J.Yennello Isoscaling and nuclear reaction dynamics NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), E=35 MeV/nucleon; measured reaction products were measured using the Neutron Ion Multidetector for Reaction Oriented Dynamics (NIMROD), yields and angular distributions of fragments (Z=4 to 8, Z=12 and Z>12) at the K500 Cyclotron facility of Texas A and M University; deduced isoscaling parameters α and β as a function of breakup angle in binary excited projectile-like fragment decays. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.101.034605
2019HA17 Phys.Rev. C 99, 054621 (2019) K.Hammerton, D.J.Morrissey, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel Entrance channel effects on the quasifission reaction channel in Cr + W systems NUCLEAR REACTIONS 180W(50Cr, X)230Cf*, E(cm)=210.0 MeV; 180W(52Cr, X)232Cf*, E(cm)=214.1; 180W(54Cr, X)234Cf*, E(cm)=215.4 MeV; 182W(54Cr, X)236Cf*, E(cm)=213.8 MeV; 184W(52Cr, X)236Cf*, E(cm)=209.7 MeV; 184W(54Cr, X)238Cf*, E(cm)=211.8 MeV; 186W(50Cr, X)236Cf*, E(cm)=201.3 MeV; 186W(54Cr, X)240Cf*, E(cm)=209.5 MeV; measured fission fragments, mass-angle distributions, mass distribution of fragments using the CUBE detector for charged particle detection at the Heavy Ion Accelerator Facility of the Australian National University; deduced curvature parameter, entrance channel effects, and impact of target deformation effects on the quasifission process.
doi: 10.1103/PhysRevC.99.054621
2019MA72 Phys.Rev. C 100, 044612 (2019) A.Rodriguez Manso, A.B.McIntosh, J.Gauthier, K.Hagel, L.Heilborn, A.Jedele, Z.Kohley, A.Wakhle, A.Zarrella, S.J.Yennello Dynamical ternary decays of excited projectile-like fragments NUCLEAR REACTIONS 70Zn(70Zn, X), E=35 MeV/nucleon; measured reaction products using 4π charged-particle array NIMROD at the K500 Cyclotron at Texas A and M University; deduced normalized yields of fragments as function of Z, Dalitz plot for fragment sizing correlation, normalized velocity distributions and normalized angular distributions of fragments for the different rupture scenarios, correlation between the angles of the first and second breaks for each rupture scenario, and angular correlation between the relative velocities of fragments; investigated neutron-proton equilibration in dynamically deformed nuclear systems by analyzing composition of fragments produced from the projectile-like fragments (PLF*) in semiperipheral collisions.
doi: 10.1103/PhysRevC.100.044612
2019ZH17 Phys.Rev. C 99, 044605 (2019) S.Zhang, A.Bonasera, M.Huang, H.Zheng, D.X.Wang, J.C.Wang, L.Lu, G.Zhang, Z.Kohley, Y.G.Ma, S.J.Yennello Strongly resonating bosons in hot nuclei NUCLEAR REACTIONS 64,70Zn(70Zn, X), (64Zn, X), 64Zn, 64Ni(64Zn, X), (64Ni, X), E=35 MeV/nucleon; analyzed experimental data from 4π NIMROD array at K150 cyclotron facility of Texas A and M University; deduced relative kinetic energy distribution of 2α events, excitation-energy distributions of 12C from 3α events, and 3Li from 3p events, probability ratios of direct-decay of 12C states into 3α particles of equal energies (DDE), and into a linear-decay (LD), probability ratios of decay of Hoyle state (HS) when 8Be g.s. energy is consistent with two α relative kinetic energies, or when the second largest energy is twice that of the 8Be g.s. energy. 8Be, 12C; discussed energy levels in hot nuclear matter, excitation of 12C states through multiresonance processes, and decay of 12C Hoyle state through 8Be.
doi: 10.1103/PhysRevC.99.044605
2019ZH22 Chin.Phys.C 43, 064102 (2019) S.Zhang, J.C.Wang, A.Bonasera, M.R.Huang, H.Zheng, G.Q.Zhang, Z.Kohley, Y.G.Ma, S.J.Yennello Triple α-particle resonances in the decay of hot nuclear systems NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X)12C, E=35 MeV/nucleon; analyzed available data. 8Be; deduced 3α systems, relative energies, Efimov states.
doi: 10.1088/1674-1137/43/6/064102
2018MA62 Phys.Rev. C 98, 044602 (2018) L.W.May, A.Wakhle, A.B.McIntosh, Z.Kohley, S.Behling, A.Bonasera, G.Bonasera, P.Cammarata, K.Hagel, L.Heilborn, A.Jedele, A.Raphelt, A.Rodriguez Manso, G.Souliotis, R.Tripathi, M.D.Youngs, A.Zarrella, S.J.Yennello Neutron-proton equilibration in 35 MeV/υ collisions of 64, 70Zn + 64, 70Zn and 64Zn, 64Ni + 64Zn, 64Ni quantified using triplicate probes NUCLEAR REACTIONS 64,70Zn(70Zn, X), (64Zn, X), 64Zn, 64Ni(64Zn, X), (64Ni, X), E=35 MeV/nucleon; measured reaction products, isobaric yield ratios, isospin transport ratios of quasiparticle fragments using 4π NIMROD array for fragment detection at K150 cyclotron facility of Texas A and M University; deduced fractional neutron-proton equilibration width, quasiprojectile asymmetry, isoscaling parameter. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.98.044602
2018WA06 Phys.Rev. C 97, 021602 (2018) A.Wakhle, K.Hammerton, Z.Kohley, D.J.Morrissey, K.Stiefel, J.Yurkon, J.Walshe, K.J.Cook, M.Dasgupta, D.J.Hinde, D.J.Jeung, E.Prasad, D.C.Rafferty, C.Simenel, E.C.Simpson, K.Vo-Phuoc, J.King, W.Loveland, R.Yanez Capture cross sections for the synthesis of new heavy nuclei using radioactive beams NUCLEAR REACTIONS 181Ta(39K, X), E=180-210 MeV; 181Ta(46K, X), E=190-215 MeV; measured time of flight and relative position of fission fragments, capture-fission σ(E) from a binary event using 14UD Heavy-ion accelerator facility of Australian National University (ANU), and Coupled Cyclotron Facility (CCF) projectile fragmentation facility at NSCL-MSU, and the Coincident Fission Fragment Detector (CFFD) at the ReA3 facility at NSCL; deduced velocity vectors of the coincident fragments, masses and angular distributions of fission fragments. Comparison with several phenomenological models and microscopic time-dependent Hartree-Fock calculations. Discussed implications for the synthesis of heavy nuclei at radioactive beam facilities. 197Au(31Al, X), E(cm), 248Cm(26Mg, X), E(cm)=110-160 MeV; 248Cm(48Ca, X), E(cm)=195-230 MeV; 154Sm(31Al, X), E(cm)=125-190 MeV; 238U(48Ca, X), E(cm)=185-235 MeV; 238U(64Ni, X), E(cm)=260-300 MeV; compiled theoretical and experimental values of capture fission σ(E). Comparison with several theoretical results.
doi: 10.1103/PhysRevC.97.021602
2017JE01 Phys.Rev.Lett. 118, 062501 (2017) A.Jedele, A.B.McIntosh, K.Hagel, M.Huang, L.Heilborn, Z.Kohley, L.W.May, E.McCleskey, M.Youngs, A.Zarrella, S.J.Yennello Characterizing Neutron-Proton Equilibration in Nuclear Reactions with Subzeptosecond Resolution NUCLEAR REACTIONS 70Zn(70Zn, X), E=35 MeV/nucleon; measured reaction products, Eα, Iα; deduced fragment yields, neutron-proton equilibration. Comparison with available data.
doi: 10.1103/PhysRevLett.118.062501
2017JO06 Phys.Rev. C 95, 044323 (2017), Erratum Phys.Rev. C 96, 059902 (2017) M.D.Jones, T.Baumann, J.Brett, J.Bullaro, P.A.DeYoung, J.E.Finck, N.Frank, K.Hammerton, J.Hinnefeld, Z.Kohley, A.N.Kuchera, J.Pereira, A.Rabeh, J.K.Smith, A.Spyrou, S.L.Stephenson, K.Stiefel, M.Tuttle-Timm, R.G.T.Zegers, M.Thoennessen Neutron-unbound excited states of 23N NUCLEAR REACTIONS 2H(24O, p)23N, E=83.4 MeV/nucleon, [secondary 24O beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU accelerator facility]; measured reaction products and identified via ΔE vs. time-of-flight measurement, neutron spectra from the decay of 23N excited states using MONA and LISA arrays of plastic scintillators; analyzed two-body decay energy spectrum for 22N+1n. 23N; deduced levels above S(n), J, π, S(n), S(2n), configurations; calculated levels, J, π using shell-model and several interactions.
doi: 10.1103/PhysRevC.95.044323
2017RO09 Phys.Rev. C 95, 044604 (2017) A.Rodriguez Manso, A.B.McIntosh, A.Jedele, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, A.Zarrella, S.J.Yennello Detailed characterization of neutron-proton equilibration in dynamically deformed nuclear systems NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), (64Ni, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured heavy fragment (HF) and light fragment (LF) using the NIMROD detector system at the K-500 cyclotron facility of Texas A and M; deduced normalized yields as functions of velocity, angular in-plane and out-of-plane distributions, average compositions as function of the decay alignment, rate constants as function of the atomic number, time dependence of neutron-proton equilibration in dynamically deformed nuclear systems. Comparison to a statistical model, and GEMINI++ simulations.
doi: 10.1103/PhysRevC.95.044604
2017YO02 Nucl.Phys. A962, 61 (2017) M.Youngs, A.B.McIntosh, K.Hagel, L.Heilborn, M.Huang, A.Jedele, Z.Kohley, L.W.May, E.McCleskey, A.Zarrella, S.J.Yennello Observation of different isoscaling behavior between emitted fragments and residues NUCLEAR REACTIONS 70Zn(70Zn, x), E=35 MeV/nucleon;76Zn(76Zn, x), E=35 MeV/nucleon; measured reaction products; deduced yield ratios vs energy of emitted particles for Z=5-12 and separately for fixed N-Z, slopes of the fit lines, isoscaling parameters for light particles and projectile-like fragments.
doi: 10.1016/j.nuclphysa.2017.03.005
2016MA78 Phys.Rev. C 94, 064617 (2016) J.Mabiala, H.Zheng, A.Bonasera, Z.Kohley, S.J.Yennello Competition between fermions and bosons in nuclear matter at low densities and finite temperatures NUCLEAR REACTIONS 64Zn(64Zn, X), 70Zn(70Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; analyzed fragment free energy as a function of fragment's neutron proton asymmetry, temperatures, densities, free energies and mass fractions of protons, deuterons, and α emitted by the quasiprojectile (QP); extracted free energy (density) for fermions and bosons in finite nuclei at subsaturation densities and finite temperatures using the Landau free-energy technique.
doi: 10.1103/PhysRevC.94.064617
2016SM03 Nucl.Phys. A955, 27 (2016) J.K.Smith, T.Baumann, D.Bazin, J.Brown, P.A.DeYoung, N.Frank, M.D.Jones, Z.Kohley, B.Luther, B.Marks, A.Spyrou, S.L.Stephenson, M.Thoennessen, A.Volya Neutron correlations in the decay of the first excited state of 11Li NUCLEAR REACTIONS 9Be(13B, 11Li), E=71 MeV/nucleon; measured charged fragments using Sweeper high-field dipole magnet, En, In using MoNA-LISA array of plastic scintillators; deduced unnormalized three- and two-body 11Li-decay energy spectrum, 10Li resonances energy, width; calculated, simulated decay energy spectra, coincident energy spectra.
doi: 10.1016/j.nuclphysa.2016.05.023
2015HA12 Phys.Rev. C 91, 041602 (2015) K.Hammerton, Z.Kohley, D.J.Hinde, M.Dasgupta, A.Wakhle, E.Williams, V.E.Oberacker, A.S.Umar, I.P.Carter, K.J.Cook, J.Greene, D.Y.Jeung, D.H.Luong, S.D.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, K.Stiefel Reduced quasifission competition in fusion reactions forming neutron-rich heavy elements NUCLEAR REACTIONS 180W(50Cr, X), E(cm)=222.6 MeV; 180W(52Cr, X), E(cm)=221.2 MeV; 180W(54Cr, X), E(cm)=219.8 MeV; 186W(50Cr, X), E(cm)=221.0 MeV; 184W(52Cr, X), E(cm)=220.1 MeV; 182W(54Cr, X), E(cm)=221.0 MeV; 184W(54Cr, X), E(cm)=218.9 MeV; 186W(54Cr, X), E(cm)=218.3 MeV; measured spectra of neutron-rich fragments from fusion-fission and quasifission in coincidence mode, mass-angle distributions (MADs) using the ANU CUBE detector system at ANU's Heavy-Ion Accelerator Facility; deduced strong dependence on the N/Z of the compound system in quasifission system. Comparison with microscopic time-dependent Hartree-Fock calculations of the quasifission process.
doi: 10.1103/PhysRevC.91.041602
2015JO05 Phys.Rev. C 91, 044312 (2015) M.D.Jones, Z.Kohley, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, R.A.Haring-Kaye, A.N.Kuchera, B.Luther, S.Mosby, J.K.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen Further insights into the reaction 14Be(CH2, X)10He NUCLEAR REACTIONS 2H(14Be, 10He), (14Be, 12He), E=59 MeV/nucleon, [14Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator]; measured particle spectra by ΔE-E detectors and neutron spectra by MONA array at NSCL-MSU facility; analyzed decay energy spectra and multiplicity distributions for 8He+n, 8He+2n 8He+4n, and 8He+2n with α removal. 10He; deduced resonance, no evidence for initial state effects based on the halo structure of the initial 14Be assuming a direct α-particle removal reaction. 12He; deduced no evidence for the existence of a low-lying (≤1 MeV) resonance in 12He.
doi: 10.1103/PhysRevC.91.044312
2015JO14 Phys.Rev. C 92, 051306 (2015) M.D.Jones, N.Frank, T.Baumann, J.Brett, J.Bullaro, P.A.DeYoung, J.E.Finck, K.Hammerton, J.Hinnefeld, Z.Kohley, A.N.Kuchera, J.Pereira, A.Rabeh, W.F.Rogers, J.K.Smith, A.Spyrou, S.L.Stephenson, K.Stiefel, M.Tuttle-Timm, R.G.T.Zegers, M.Thoennessen Two-neutron sequential decay of 24O NUCLEAR REACTIONS 2H(24O, 2n22O), E=83.4 MeV/nucleon, [24O secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU]; measured charged-particle spectra using position- and energy-sensitive detectors, E(n) and I(n) using MONA-LISA array, three-body decay energy, angular correlations. 24O; deduced level, resonance, l-transfer, width, evidence for two-neutron sequential decay from resonant state. 23O; deduced intermediate level, J, π through one-neutron decay of 24O resonant state. Comparison with di-neutron and phase-space model calculations for the three-body breakup.
doi: 10.1103/PhysRevC.92.051306
2015KO08 Phys.Rev. C 91, 034323 (2015) Z.Kohley, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, B.Luther, E.Lunderberg, M.Jones, S.Mosby, J.K.Smith, A.Spyrou, M.Thoennessen Three-body correlations in the ground-state decay of 26O NUCLEAR REACTIONS 9Be(27F, 26O), E=82 MeV/nucleon, [27F secondary beam produced from projectile fragmentation of a 140 MeV/nucleon 48Ca primary beam]; measured (24O)nn-triple coin, three-body decay energy and angular correlations using MoNA-Sweeper setup at NSCL-MSU; deduced invariant mass and three-body correlations from the 26O ground-state resonance decay. Comparison with Monte-Carlo simulations using a phase-space, model, dineutron model, and three-body decay model. 26O; deduced 1σ upper limit of the ground-state resonance energy of 26O.
doi: 10.1103/PhysRevC.91.034323
2015KU04 Phys.Rev. C 91, 017304 (2015) A.N.Kuchera, A.Spyrou, J.K.Smith, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, M.D.Jones, Z.Kohley, S.Mosby, W.A.Peters, M.Thoennessen Search for unbound 15Be states in the 3n+ 12Be channel NUCLEAR REACTIONS 9Be(17C, 15Be), E=55 MeV/nucleon, [17C secondary beam from 9Be(22Ne, X) primary reaction]; measured particle spectra, (12Be)n-coin using MONA array at NSCL-MSU facility; reconstructed two-, three-, and four-body decay energies of the 12Be+ neutron system using invariant mass spectroscopy. 15Be; search for predicted unbound 3/2+ level proved inconclusive. In the best fit analysis, 15Be g.s. is unbound with respect to 12Be.
doi: 10.1103/PhysRevC.91.017304
2015MA46 Phys.Rev. C 92, 024605 (2015) J.Mabiala, H.Zheng, A.Bonasera, P.Cammarata, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, A.B.McIntosh, M.D.Youngs, A.Zarrella, S.J.Yennello Novel technique to extract experimental symmetry free energy information for nuclear matter NUCLEAR REACTIONS 64Zn(64Zn, X), 70Zn(70Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particles and free neutron spectra using 4π NIMROD-ISiS array at K-500 cyclotron facility of Texas A and M University; deduced symmetry free energy coefficient as a function of fragment's neutron-proton asymmetry, temperature and density. Data fitted with Landau's equations.
doi: 10.1103/PhysRevC.92.024605
2015MA62 Phys.Rev. C 92, 054320 (2015) B.R.Marks, P.A.DeYoung, J.K.Smith, T.Baumann, J.Brown, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, A.N.Kuchera, B.Luther, A.Spyrou, S.Stephenson, C.Sullivan, M.Thoennessen, N.Viscariello, S.J.Williams Population of 13Be in a nucleon exchange reaction NUCLEAR REACTIONS 9Be(13B, 13Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured E(n), I(n) from the decay of 13Be into 12B+n, decay energy spectrum reconstructed by invariant-mass method using A1900 fragment separator and MoNA-LISA array at NSCL-MSU. Nucleon (-1p, +1n) exchange reaction. 13Be; deduced levels, resonances, J, π, widths, relative populations. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.92.054320
2015SA45 Phys.Rev. C 92, 054613 (2015) V.V.Sargsyan, G.G.Adamian, N.V.Antonenko, Z.Kohley Isotopic trends in capture reactions with radioactive and stable potassium beams NUCLEAR REACTIONS 208Pb, 124Sn(37K, X), (39K, X), (41K, X), (43K, X), (45K, X), (46K, X), (47K, X), E(cm)-Vb=-10 to 15 MeV; calculated capture σ((E(cm)-Vb), A); deduced isospin dependence of the capture cross sections. 208Pb(46K, X), (48Ca, X), E(cm)=157-190 MeV; 124Sn(46K, X), (48Ca, X), E(cm)-Vb=-6 to 15 MeV; calculated capture σ(E), and compared with experimental data. Quantum diffusion approach. Role of isospin and closed shell structures in the entrance channel for the production of new isotopes.
doi: 10.1103/PhysRevC.92.054613
2015SM02 Nucl.Phys. A940, 235 (2015) J.K.Smith, T.Baumann, J.Brown, P.A.DeYoung, N.Frank, J.Hinnefeld, Z.Kohley, B.Luther, B.Marks, A.Spyrou, S.L.Stephenson, M.Thoennessen, S.J.Williams Selective population of unbound states in 10Li NUCLEAR REACTIONS 9Be(12B, 2p), E=71 MeV/nucleon. 10Li measured halo nucleus decay to 9Li plus neutron; calculated one-state and three-state decay; deduced resonances.
doi: 10.1016/j.nuclphysa.2015.04.011
2014KO06 Eur.Phys.J. A 50, 31 (2014) Heavy-ion collisions: Direct and indirect probes of the density and temperature dependence of Esym
doi: 10.1140/epja/i2014-14031-0
2014MA68 Phys.Rev. C 90, 027602 (2014) J.Mabiala, H.Zheng, A.Bonasera, P.Cammarata, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, A.B.McIntosh, M.D.Youngs, A.Zarrella, S.J.Yennello Coulomb corrections to experimental temperatures and densities in Fermi-energy heavy-ion collisions NUCLEAR REACTIONS 64Zn(64Zn, X), 70Zn(70Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particle and neutron spectra using the 4p NIMROD-ISiS array at Texas A-M cyclotron facility; deduced temperatures and densities as function of excitation energy per nucleon with and without Coulomb correction, and for different values of neutron-proton asymmetry, correlation between density and temperature.
doi: 10.1103/PhysRevC.90.027602
2014MC02 Eur.Phys.J. A 50, 35 (2014) A.B.McIntosh, J.Mabiala, A.Bonasera, P.Cammarata, K.Hagel, Z.Kohley, L.Heilborn, L.W.May, P.Marini, A.Raphelt, G.A.Souliotis, S.Wuenschel, A.Zarrella, H.Zheng, S.J.Yennello How much cooler would it be with some more neutrons? - Exploring the asymmetry dependence of the nuclear caloric curve and the liquid-gas phase transition NUCLEAR REACTIONS 64Ni(64Ni, X), E=35 MeV/nucleon;64Zn(64Zn, X), E=35 MeV/nucleon;70Zn(70Zn, X), E=35 MeV/nucleon; calculated temperature vs E*/mass using light charged particle emission (proton to 9Be) and three thermometer methods; deduced thermodynamic quantities.
doi: 10.1140/epja/i2014-14035-8
2014SM03 Phys.Rev. C 90, 024309 (2014) J.K.Smith, T.Baumann, D.Bazin, J.Brown, S.Casarotto, P.A.DeYoung, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, B.Luther, B.Marks, N.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen, N.Viscariello, S.J.Williams Low-lying neutron unbound states in 12Be NUCLEAR REACTIONS 9Be(13B, 12Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction; measured particle and neutron spectra, (12Be)n-, (11Be)2n-coin using A1900 fragment separator and MoNA-LISA array for neutron and fragment detection at NSCL-MSU facility. 12Be; deduced decay energy, level energy, resonance, L-value, J, π, width, one-neutron decay, no evidence for the 2n-decay channel to 10Be. Comparison with previous experimental results, and with continuum shell model calculation.
doi: 10.1103/PhysRevC.90.024309
2014SO20 Phys.Rev. C 90, 064612 (2014) G.A.Souliotis, P.N.Fountas, M.Veselsky, S.Galanopoulos, Z.Kohley, A.McIntosh, S.J.Yennello, A.Bonasera Isoscaling of heavy projectile residues and N/Z equilibration in peripheral heavy-ion collisions below the Fermi energy NUCLEAR REACTIONS 58,64Ni, 112,124Sn(86Kr, X), E=15, 25 MeV/nucleon; 58,64Ni(40Ar, X), E=15, 25 MeV/nucleon; analyzed N/Z yield ratios of Z=26-39 fragments, TKEL, interaction time and N/Z versus TKEL, isoscaling parameter of heavy projectile residues. Stochastic nucleon-exchange deep inelastic transfer (DIT) model and the microscopic many-body constrained molecular dynamics (CoMD) model.
doi: 10.1103/PhysRevC.90.064612
2014ST04 J.Phys.(London) G41, 025108 (2014) B.C.Stein, A.Bonasera, G.A.Souliotis, H.Zheng, P.J.Cammarata, A.J.Echeverria, L.Heilborn, A.L.Keksis, Z.Kohley, J.Mabiala, P.Marini, L.W.May, A.B.McIntosh, C.Richers, D.V.Shetty, S.N.Soisson, R.Tripathi, S.Wuenschel, S.J.Yennello Quantum suppression of fluctuations and temperatures of reconstructed A ∼ 30 quasi-projectiles NUCLEAR REACTIONS 112Sn(32S, X)1H/3H/3He, E=45 MeV/nucleon; measured reaction products, Ep, Ip; deduced fragment multiplicities, proton temperature, energy density, supression of multiplicity fluctuations. Comparison with available data.
doi: 10.1088/0954-3899/41/2/025108
2014ST25 Phys.Rev. C 90, 061605 (2014) K.Stiefel, Z.Kohley, R.T.deSouza, S.Hudan, K.Hammerton Symmetry energy dependence of long-timescale isospin transport NUCLEAR REACTIONS 64Zn(64Zn, X), E=45 MeV/nucleon; analyzed cos(α) distribution, yield of dinuclear breakup events as function of the time of breakup, correlation between the average breakup time of the dinuclear projectile-like fragments (PLF) and cos(α), average lifetimes extracted from the two-component fit, N/Z distributions. Constrained molecular dynamics (CoMD) model. Detailed comparisons with experimental data from FIRST charged particle array at the Cyclotron Institute of Texas A and M University.
doi: 10.1103/PhysRevC.90.061605
2013KO03 Phys.Rev. C 87, 011304 (2013) Z.Kohley, E.Lunderberg, P.A.DeYoung, A.Volya, T.Baumann, D.Bazin, G.Christian, N.L.Cooper, N.Frank, A.Gade, C.Hall, J.Hinnefeld, B.Luther, S.Mosby, W.A.Peters, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen First observation of the 13Li ground state NUCLEAR REACTIONS 9Be(14Be, 13Li), [14Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary beam], E=53.6 MeV/nucleon; measured 11Li fragment and neutron spectra, three-body (11Li+n+n), and two-body (11Li+n) decay energy spectra using Modular Neutron Array (MONA) for neutrons at NSCL facility. Monte Carlo and GEANT4 simulations. Glauber reaction model. 12,13Li; deduced levels, ground state resonance energies. Strong dineutron character for 13Li g.s. Comparison with previous studies.
doi: 10.1103/PhysRevC.87.011304
2013KO10 Phys.Rev.Lett. 110, 152501 (2013) Z.Kohley, T.Baumann, D.Bazin, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, E.Lunderberg, B.Luther, S.Mosby, T.Nagi, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen Study of Two-Neutron Radioactivity in the Decay of 26O RADIOACTIVITY 26O(2n) [from 9Be(27F, p), E=82 MeV/nucleon]; measured decay products, En, In; deduced T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.110.152501
2013KO17 Phys.Rev. C 87, 064612 (2013) Z.Kohley, J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.M.Allmond, J.J.Kolata, P.E.Mueller, A.Roberts Sub-barrier fusion enhancement with radioactive 134Te NUCLEAR REACTIONS 40Ca(134Te, X), [134Te secondary beam from U(p, X) primary reaction], E=535-619 MeV; measured evaporation residue spectra using CSSER system at HRIBF facility, σ(E), time-of-flight, ΔE1-ΔE2 contour plots. Comparison with statistical model using PACE2 computer code. Comparison of σ(E) with those in 40Ca+132Te, 48Ca+132Te, 40Ca+124Te, 48Ca+124Te, 64Ni+130Te, 58Ni+130Te reactions. Positive Q-value neutron transfer (PQNT) channels. Coupled-channel analyses.
doi: 10.1103/PhysRevC.87.064612
2013KO28 Phys.Rev. C 88, 041601 (2013) Z.Kohley, G.Christian, T.Baumann, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen Exploiting neutron-rich radioactive ion beams to constrain the symmetry energy NUCLEAR REACTIONS 9Be(32Mg, X), [secondary 32Mg beam from Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=73 MeV/nucleon; measured neutron spectra by MoNA array and particle spectra by 4 Tm Sweeper magnet, (particle)n-coin at yield of fragments at NSCL, MSU facility; deduced average N/Z vs Z, multiplicity, velocity distribution, density dependence of the symmetry energy by comparison of the experimental data with the constrained molecular dynamics model (CoMD) constraints.
doi: 10.1103/PhysRevC.88.041601
2013MA06 Phys.Rev. C 87, 017603 (2013) J.Mabiala, A.Bonasera, H.Zheng, A.B.McIntosh, L.W.May, P.Cammarata, Z.Kohley, K.Hagel, L.Heilborn, A.Raphelt, G.A.Souliotis, A.Zarrella, S.J.Yennello Investigation of the nuclear phase transition using the Landau free-energy approach NUCLEAR REACTIONS 64Zn(64Zn, X), 64Ni(64Ni, X), 70Zn(70Zn, X), E=35 MeV/nucleon; analyzed fragment yields, pairing coefficients for N=Z nuclei, temperature of quasiprojectile (QP) sources, dependence of nuclear equation of state on the proton and neutron concentration of the fragmenting system. Landau free-energy approach.
doi: 10.1103/PhysRevC.87.017603
2013MA09 Phys.Rev. C 87, 024603 (2013) P.Marini, A.Bonasera, G.A.Souliotis, P.Cammarata, S.Wuenschel, R.Tripathi, Z.Kohley, K.Hagel, L.Heilborn, J.Mabiala, L.W.May, A.B.McIntosh, S.J.Yennello Systematic study of the symmetry energy within the approach of the statistical multifragmentation model NUCLEAR REACTIONS 58Ni(78Kr, X), 64Ni(86Kr, X), E=35 MeV/nucleon; calculated symmetry energy coefficients, isoscaling and isobaric yield ratios of secondary fragments. Statistical multifragmentation model (SMM). Comparison with experimental data.
doi: 10.1103/PhysRevC.87.024603
2013MC03 Phys.Rev. C 87, 034617 (2013) A.B.McIntosh, A.Bonasera, Z.Kohley, P.J.Cammarata, K.Hagel, L.Heilborn, J.Mabiala, L.W.May, P.Marini, A.Raphelt, G.A.Souliotis, S.Wuenschel, A.Zarrella, S.J.Yennello Using light charged particles to probe the asymmetry dependence of the nuclear caloric curve NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particle (proton, deuteron, triton, 3,4He), neutron spectra, momentum quadrupole fluctuation temperatures using NIMROD-ISiS 4π detector array at Texas AM; deduced caloric curves for light charged particles, Albergo yield ratio temperatures, dependence of nuclear temperatures on neutron-proton asymmetry. Momentum quadrupole fluctuation (MQF) thermometer.
doi: 10.1103/PhysRevC.87.034617
2013SN02 Phys.Rev. C 88, 031303 (2013) J.Snyder, T.Baumann, G.Christian, R.A.Haring-Kaye, P.A.DeYoung, Z.Kohley, B.Luther, M.Mosby, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.Stephenson, M.Thoennessen First observation of 15Be NUCLEAR REACTIONS 2H(14Be, 15Be), E=59 MeV/nucleon, [secondary 14Be from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured 14Be, and neutron spectra from decay of 15Be, TOF, production σ, (14Be)n-coin using MoNA array at NSCL-MSU facility. Decay energy spectrum of 15Be fitted with energy-dependent Breit-Wigner distribution. 15Be; deduced level, J, π, neutron-unbound resonance, width. Shell-model calculations.
doi: 10.1103/PhysRevC.88.031303
2013TH04 Acta Phys.Pol. B44, 543 (2013) M.Thoennessen, Z.Kohley, A.Spyrou, E.Lunderberg, P.A.DeYoung, H.Attanayake, T.Baumann, D.Bazin, B.A.Brown, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.Strongman, A.Volya Observation of Ground-state Two-neutron Decay RADIOACTIVITY 16Be, 26O(2n); measured decay products, En, In; deduced decay energy spectra. Comparison with calculated two-neutron separation energies, T1/2, widths.
doi: 10.5506/APhysPolB.44.543
2013TH07 Nucl.Instrum.Methods Phys.Res. A729, 207 (2013) M.Thoennessen, G.Christian, Z.Kohley, T.Baumann, M.Jones, J.K.Smith, J.Snyder, A.Spyrou Novel techniques to search for neutron radioactivity RADIOACTIVITY 16B(2n); measured decay products, En, In; deduced new technique, T1/2 sensitivity. Decay in Target (DiT) and Decay in a Magnetic Field (DiMF) methods.
doi: 10.1016/j.nima.2013.07.035
2012KO18 Phys.Rev. C 85, 054603 (2012) J.J.Kolata, A.Roberts, A.M.Howard, D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, Z.Kohley, A.N.Villano, H.Amro, W.Loveland, E.Chavez Fusion of 124, 132Sn with 40, 48Ca NUCLEAR REACTIONS 40,48Ca(124Sn, X), (132Sn, X), E(cm)=105-165 MeV; measured evaporation residue spectra, fusion σ(E); deduced reduced fusion σ(E), fusion barriers. Inverse kinematics. Wong model and PACE2 fits. Comparison with time-dependent Hartree-Fock (TDHF) and coupled-channels Born approximation (CCBA) calculations.
doi: 10.1103/PhysRevC.85.054603
2012KO22 Phys.Rev. C 85, 064605 (2012) Z.Kohley, M.Colonna, A.Bonasera, L.W.May, S.Wuenschel, M.Di Toro, S.Galanopoulos, K.Hagel, M.Mehlman, W.B.Smith, G.A.Souliotis, S.N.Soisson, B.C.Stein, R.Tripathi, S.J.Yennello, M.Zielinska-Pfabe Sensitivity of intermediate mass fragment flows to the symmetry energy NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured charged particle and neutron spectra, and intermediate mass fragment transverse flow using NIMROD-ISiS array and 4π TAMU Neutron Ball at Texas AM. Comparison with Antisymmetrized molecular dynamics (AMD), constrained molecular dynamics (CoMD), and stochastic mean-field model (SFM) calculations. Sensitivity of the model to the nEoS.
doi: 10.1103/PhysRevC.85.064605
2012KO33 Phys.Rev. C 86, 044605 (2012) Z.Kohley, A.Bonasera, S.Galanopoulos, K.Hagel, L.W.May, A.B.McIntosh, B.C.Stein, G.A.Souliotis, R.Tripathi, S.Wuenschel, S.J.Yennello Correlations with projectile-like fragments and emission order of light charged particles NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured particle spectra, energy loss, total energy, mass fragment yield using 4π NIMROD-ISiS array at Texas A scaled rapidity. Comparison with Monte Carlo simulation. Classical molecular dynamics (CMD) model. Constrained molecular dynamics (CoMD) model calculations.
doi: 10.1103/PhysRevC.86.044605
2012KO43 Phys.Rev.Lett. 109, 232501 (2012) Z.Kohley, J.Snyder, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, R.A.Haring-Kaye, M.Jones, E.Lunderberg, B.Luther, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.L.Stephenson, M.Thoennessen Unresolved Question of the 10He Ground State Resonance NUCLEAR REACTIONS C, 2H(14Be, 2n2p)10He, E=59 MeV/nucleon; measured reaction products, En, In; deduced ground state resonance parameters. Comparison with available data, 18O secondary beams.
doi: 10.1103/PhysRevLett.109.232501
2012LI16 Phys.Rev. C 85, 031601 (2012) J.F.Liang, C.J.Gross, Z.Kohley, D.Shapira, R.L.Varner, J.M.Allmond, A.L.Caraley, K.Lagergren, P.E.Mueller Fusion probability for neutron-rich radioactive-Sn-induced reactions NUCLEAR REACTIONS 64Ni(124Sn, X), (126Sn, X), (127Sn, X), (128Sn, X), E=560 MeV; 58Ni(132Sn, X), E=670 MeV; measured time of flight, energy loss, evaporation residue cross sections as function of the compound nucleus excitation energy; deduced fusion probability. Comparison with Statistical model calculations.
doi: 10.1103/PhysRevC.85.031601
2012LU07 Phys.Rev.Lett. 108, 142503 (2012) E.Lunderberg, P.A.DeYoung, Z.Kohley, H.Attanayake, T.Baumann, D.Bazin, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, A.Schiller, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen Evidence for the Ground-State Resonance of 26O RADIOACTIVITY 26O(2n) [from Be(27F, p)26O, E=82 MeV/nucleon];measured decay products, En, In. 26O; deduced decay energy spectrum, evidence for the ground state or resonance in neutron unbound nucleus, T1/2 limit. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.108.142503
2012MA08 Phys.Rev. C 85, 034617 (2012) P.Marini, A.Bonasera, A.McIntosh, R.Tripathi, S.Galanopoulos, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, M.Mehlman, S.N.Soisson, G.A.Souliotis, D.V.Shetty, W.B.Smith, B.C.Stein, S.Wuenschel, S.J.Yennello Constraining the symmetry term in the nuclear equation of state at subsaturation densities and finite temperatures NUCLEAR REACTIONS 64Zn(64Zn, X), 70Zn(70Zn, X), 64Ni, (64Ni, X), E=35 MeV/nucleon; measured charged-particle spectra using 4π NIMROD-ISiS array and Neutron Ball at Texas A reconstructed quasiprojectile distributions; deduced isotopic and isobaric yield ratios, isoscaling parameter, symmetry energy (enthalpy) coefficient. isoscaling, m-scaling, and the isobaric yield ratio methods for analysis of data.
doi: 10.1103/PhysRevC.85.034617
2012SM08 Phys.Rev. C 86, 057302 (2012) J.K.Smith, T.Baumann, B.A.Brown, G.Christian, J.E.Finck, C.R.Hoffman, Z.Kohley, S.Mosby, J.F.Novak, S.J.Quinn, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen Neutron unbound states in 28Ne and 25F NUCLEAR REACTIONS 9Be(29Na, 28Ne), (26F, 25F), [secondary 29Na and 26F beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=102 MeV/nucleon; measured charged fragment spectra by TOF and energy loss, neutron spectra using MONA array at NSCL facility, decay energy spectra for 28Ne and 25F reconstructed from the 27Ne+n and 24F+n systems. 25F, 28Ne; deduced unbound levels, J, π, spectroscopic factors, Breit-Wigner resonance. Glauber reaction model analysis. Comparison with shell model calculations. NUCLEAR STRUCTURE 28Ne, 25F; calculated bound and unbound levels, J, π, spectroscopic factors for 27Ne+n system, widths. Shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.057302
2012SO16 J.Phys.(London) G39, 115104 (2012) S.N.Soisson, A.Botvina, G.A.Souliotis, B.C.Stein, L.Heilborn, A.L.Keksis, Z.Kohley, L.W.May, D.V.Shetty, S.Wuenschel, S.J.Yennello Multifragmentation of reconstructed quasi-projectiles in the mass region A ∼ 30 NUCLEAR REACTIONS 112Sn(32S, X), E=45 MeV/nucleon; analyzed available data; calculated charge and mass distribution of fragments, N/Z, yield ratios. Statistical multifragmentation model, comparison with available data.
doi: 10.1088/0954-3899/39/11/115104
2012SP01 Phys.Rev.Lett. 108, 102501 (2012) A.Spyrou, Z.Kohley, T.Baumann, D.Bazin, B.A.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, E.Lunderberg, S.Mosby, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.J.Strongman, M.Thoennessen, A.Volya First Observation of Ground State Dineutron Decay: 16Be RADIOACTIVITY 16Be(2n) [from Be(17B, p), E=53 MeV/nucleon]; measured decay products, En, In; deduced two-neutron separation energy.
doi: 10.1103/PhysRevLett.108.102501
2012TS04 Phys.Rev. C 86, 015803 (2012) M.B.Tsang, J.R.Stone, F.Camera, P.Danielewicz, S.Gandolfi, K.Hebeler, C.J.Horowitz, J.Lee, W.G.Lynch, Z.Kohley, R.Lemmon, P.Moller, T.Murakami, S.Riordan, X.Roca-Maza, F.Sammarruca, A.W.Steiner, I.Vidana, S.J.Yennello Constraints on the symmetry energy and neutron skins from experiments and theory NUCLEAR STRUCTURE 208Pb; analyzed neutron-skin thickness, symmetry energy constraints. Contributions of three-body forces in neutron matter models.
doi: 10.1103/PhysRevC.86.015803
2012YA04 Phys.Rev. C 85, 044620 (2012) R.Yanez, W.Loveland, J.Beckerman, M.Leonard, C.J.Gross, D.Shapira, J.F.Liang, Z.Kohley, R.L.Varner Search for inverse fission of uranium NUCLEAR REACTIONS 100Mo(124Sn, X)222U, E=595, 650 MeV; 100Mo (132Sn, X)230U, E=560 MeV; measured Eα, Iα, (ER)α-coin, cross section upper limits; calculated σ(E). 96Zr(124Sn, X), E=200-280 MeV; comparison between measured and predicted σ(E). Statistical model calculations. No evidence for inverse fission.
doi: 10.1103/PhysRevC.85.044620
2011KO17 Phys.Rev. C 83, 044601 (2011) Z.Kohley, L.W.May, S.Wuenschel, M.Colonna, M.Di Toro, M.Zielinska-Pfabe, K.Hagel, R.Tripathi, A.Bonasera, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello Transverse collective flow and midrapidity emission of isotopically identified light charged particles NUCLEAR REACTIONS 64Ni(64Ni, X), 64Zn(64Zn, X), 70Zn(70Zn, X), E=35 MeV/nucleon; measured particle spectra and yields of light-charged particles (ZA=1-12) using 4π NIMROD-ISiS array; deduced rapidity distribution, transverse flow and average in-plane momentum. Comparison with stochastic mean-field (SMF) model.
doi: 10.1103/PhysRevC.83.044601
2011KO44 Phys.Rev.Lett. 107, 202701 (2011) Z.Kohley, J.F.Liang, D.Shapira, R.L.Varner, C.J.Gross, J.M.Allmond, A.L.Caraley, E.A.Coello, F.Favela, K.Lagergren, P.E.Mueller Near-Barrier Fusion of Sn + Ni and Te + Ni Systems: Examining the Correlation between Nucleon Transfer and Fusion Enhancement NUCLEAR REACTIONS 58Ni(132Sn, X), E=515 MeV; 58,64Ni(130Te, X), E=670 MeV; measured reaction products; deduced evaporation residue, fission and fusion σ. Comparison with couple channel calculations.
doi: 10.1103/PhysRevLett.107.202701
2011KO62 J.Phys.:Conf.Ser. 312, 082030 (2011) Z.Kohley, L.W.May, S.Wuenschel, A.Bonasera, K.Hagel, R.Tripathi, R.Wada, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello Intermediate Mass Fragment Flow as a Probe to the Nuclear Equation of State NUCLEAR REACTIONS 64Ni(64Ni, X), E=35 MeV/nucleon;64Zn(64Zn, X), E=35 MeV/nucleon;70Zn(70Zn, X), E=35 MeV/nucleon; measured En, In(θ), E(fragment), I(fragment, θ), Z(fragment); deduced intermediate-mass fragments transverse flow using AMD with soft and stiff symmetry energy. Compared to data.
doi: 10.1088/1742-6596/312/4/082030
2011SO33 Phys.Rev. C 84, 064607 (2011) G.A.Souliotis, M.Veselsky, S.Galanopoulos, M.Jandel, Z.Kohley, L.W.May, D.V.Shetty, B.C.Stein, S.J.Yennello Approaching neutron-rich nuclei toward the r-process path in peripheral heavy-ion collisions at 15 MeV/nucleon NUCLEAR REACTIONS 58,64Ni, 112,124Sn(86Kr, X), E=15 MeV/nucleon; measured fragment spectra, cross sections at two angles as function of mass number and charge, production σ. Momentum achromat recoil separator (MARS). Comparison with deep-inelastic transfer model (DIT/GEMINI), and microscopic constrained molecular dynamics model (CoMD) calculations for isobaric distributions of fragments. Comparison with previous results. 64Ni(86Kr, X)90Kr/91Kr/92Kr/93Kr/87Br/88Br/89Br/90Br/91Br/84Se/85Se/86Se/87Se/88Se/83As/84As/85As/86As/87As/82Ge/83Ge/84Ge, E=15 MeV/nucleon; estimated production cross section and rate. Astrophysical relevance for r process.
doi: 10.1103/PhysRevC.84.064607
2011TR03 Phys.Rev. C 83, 054609 (2011) R.Tripathi, A.Bonasera, S.Wuenschel, L.W.May, Z.Kohley, G.A.Souliotis, S.Galanopoulos, K.Hagel, D.V.Shetty, K.Huseman, S.N.Soisson, B.C.Stein, S.J.Yennello Analysis of fragment yield ratios in the nuclear phase transition NUCLEAR REACTIONS 58,64Ni(78Kr, X), (86Kr, X), E=35 MeV/nucleon; measured fragment yield ratios; analyzed data using the Landau free energy approach. Nuclear liquid-gas phase transition.
doi: 10.1103/PhysRevC.83.054609
2011TR10 J.Phys.:Conf.Ser. 312, 082043 (2011) R.Tripathi, A.Bonasera, S.Wuenschel, L.W.May, Z.Kohley, G.A.Souliotis, S.Galanopoulos, K.Hagel, D.V.Shetty, K.Huseman, S.N.Soisson, B.C.Stein, S.J.Yennello Investigation of critical behaviour from nuclear fragment yield ratios NUCLEAR REACTIONS 58,64Ni(78Kr, X), (86Kr, X), E=35 MeV/nucleon; measured charged particles using NIMROD-ISiS, En, In using neutron ball; deduced yields vs isospin asymmetry, symmetry energy coefficient vs excitation energy.
doi: 10.1088/1742-6596/312/4/082043
2010GA13 Nucl.Phys. A837, 145 (2010) S.Galanopoulos, G.A.Souliotis, A.L.Keksis, M.Veselsky, Z.Kohley, L.W.May, D.V.Shetty, S.N.Soisson, B.C.Stein, S.Wuenschel, S.J.Yennello Isoscaling of mass A ≈ 40 reconstructed quasiprojectiles from collisions in the Fermi energy regime NUCLEAR REACTIONS 112,124Sn(40Ar, X), (40Ca, X), E=45 MeV/nucleon; measured light fragment yields, energy spectra, (fragment)(fragment)-coin using FAUST array; analyzed isoscaling behaviour versus neutron number and excitation energy, including correction for neutron loss.
doi: 10.1016/j.nuclphysa.2010.01.248
2010KE03 Phys.Rev. C 81, 054602 (2010) A.L.Keksis, L.W.May, G.A.Souliotis, M.Veselsky, S.Galanopoulos, Z.Kohley, D.V.Shetty, S.N.Soisson, B.C.Stein, R.Tripathi, S.Wuenschel, S.J.Yennello, B.A.Li Experimental studies of N/Z equilibration in peripheral collisions using fragment yield ratios NUCLEAR REACTIONS 112Sn, 124Sn(40Ca, X), 112Sn, 124Sn(48Ca, X), E=32 MeV; measured fragment spectra; deduced quasiprojectile N/Z ratio. Comparison with deep-inelastic transfer (DIT) code, statistical multifragmentation model (SMM), and isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) microscopic transport model.
doi: 10.1103/PhysRevC.81.054602
2010KO37 Phys.Rev. C 82, 064601 (2010) Z.Kohley, L.W.May, S.Wuenschel, A.Bonasera, K.Hagel, R.Tripathi, R.Wada, G.A.Souliotis, D.V.Shetty, S.Galanopoulos, M.Mehlman, W.B.Smith, S.N.Soisson, B.C.Stein, S.J.Yennello Investigation of transverse collective flow of intermediate mass fragments NUCLEAR REACTIONS 64Ni(64Ni, X), 64Zn(64Zn, X), 70Zn(70Zn, X), E=35 MeV/nucleon; measured particle spectra, angular distributions, transverse flow of Z=1-9 fragments. Dependence of transverse flow of the intermediate mass fragments (IMF) on mass and charge of the colliding systems. Probe of nuclear equation of state.
doi: 10.1103/PhysRevC.82.064601
2010WU07 Nucl.Phys. A843, 1 (2010) S.Wuenschel, A.Bonasera, L.W.May, G.A.Souliotis, R.Tripathi, S.Galanopoulos, Z.Kohley, K.Hagel, D.V.Shetty, K.Huseman, S.N.Soisson, B.C.Stein, S.J.Yennello Measuring the temperature of hot nuclear fragments NUCLEAR REACTIONS 64Ni(86Kr, X), 58Ni(78Kr, X), E=35 MeV/nucleon; measured fragment mass and charge yields, fragment energy spectra; deduced system temperature from fragment momenta. NIMROD ISiS array.
doi: 10.1016/j.nuclphysa.2010.04.013
2009SH20 J.Phys.(London) G36, 075103 (2009) D.V.Shetty, G.A.Souliotis, S.Galanopoulos, Z.Kohley, S.N.Soisson, B.C.Stein, S.Wuenschel, S.J.Yennello Nuclear expansion and symmetry energy of hot nuclei NUCLEAR REACTIONS 58Ni(58Ni, X), 58Fe(58Ni, X), 58Fe(58Fe, X), E=30, 40, 47 MeV/nucleon; Analyzed excitation energy dependence on symmetry energy; Deduced decreasing density effects. Thomas-Fermi approach.
doi: 10.1088/0954-3899/36/7/075103
2009SO05 Nucl.Instrum.Methods Phys.Res. B266, 4692 (2009) G.A.Souliotis, B.Stein, M.Veselsky, S.Galanopoulos, A.L.Keksis, Z.Kohley, D.V.Shetty, S.N.Soisson, S.Wuenschel, S.J.Yennello Neutron-rich rare isotope production in the Fermi energy domain and application to the Texas A and M radioactive beam upgrade
doi: 10.1016/j.nimb.2008.05.118
2009WU03 Phys.Rev. C 79, 061602 (2009) S.Wuenschel, R.Dienhoffer, G.A.Souliotis, S.Galanopoulos, Z.Kohley, K.Hagel, D.V.Shetty, K.Huseman, L.W.May, S.N.Soisson, B.C.Stein, A.L.Caraley, S.J.Yennello Isoscaling of fragments with Z = 1-17 from reconstructed quasiprojectiles NUCLEAR REACTIONS 64Ni(86Kr, X), 58Ni(78Kr, X), E=35 MeV/nucleon; measured particle spectra, isotopic yield ratios, N/Z ratio of quasiprojectiles, and S(N); deduced isoscaling parameters for Z=1-17 fragments.
doi: 10.1103/PhysRevC.79.061602
2009WU04 Nucl.Instrum.Methods Phys.Res. A604, 578 (2009) S.Wuenschel, K.Hagel, R.Wada, J.B.Natowitz, S.J.Yennello, Z.Kohley, C.Bottosso, L.W.May, W.B.Smith, D.V.Shetty, B.C.Stein, S.N.Soisson, G.Prete NIMROD-ISiS, a versatile tool for studying the isotopic degree of freedom in heavy ion collisions
doi: 10.1016/j.nima.2009.03.187
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