NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = K.Hagel Found 159 matches. Showing 1 to 100. [Next]2023JE02 Phys.Rev. C 107, 024601 (2023) A.Jedele, K.Hagel, M.Q.Sorensen, B.Harvey, A.Abbott, J.Gauthier, A.Hannaman, A.A.Hood, Y.-W.Lui, L.McCann, A.B.McIntosh, L.A.McIntosh, S.Schultz, Z.Tobin, R.Wada, M.Youngs, S.Yennello Investigating the time dependence of neutron-proton equilibration using molecular dynamics simulations NUCLEAR REACTIONS 70Zn(70Zn, X), E=35 MeV/nucleon; analyzed experimental yields from 2017RO09 (Phys. Rev. C 95, 044604) and and 2017JE01 (Phys. Rev. Lett. 118, 062501); deduced yields charge distributions and mass distribution for heavy and light fragments, fragments velocity distribution, angular distributions, neutron-to-proton ratio in the fragments. Simulations using Constrained Molecular Dynamics (COMD) and Antisymmetrized Molecular Dynamics (AMD) codes, which simulate the collision dynamics by solving time-dependent wave functions. GEMINI code used for de-excitation process.
doi: 10.1103/PhysRevC.107.024601
2023MC01 Phys.Rev. C 107, 024612 (2023) A.B.McIntosh, K.Hagel, L.A.McIntosh, R.Wada, J.Gauthier, P.J.Cammarata, A.Keeler, A.Abbott, A.Hannaman, B.Harvey, A.Jedele, Y.W.Lui, L.W.May, M.Sorensen, M.Youngs, A.Zarrella, S.J.Yennello Apparent temperatures of neutron-poor and neutron-rich compound nuclei NUCLEAR REACTIONS 12C(78Kr, X), (86Kr, X), E=15, 25, 35 MeV/nucleon; measured reaction products, fusion-evaporation residues, time-of-flight; deduced charged particles multiplicity, temperature of the reaction systems, Albergo temperature for p, d, t, α, 3He, 6He. Comparison to previous measurements and GEMINI++ calculations. QTS (quadrupole-triplet spectrometer) coupled to FAUST array of 68 Si-CsI(Tl)/PD telescopes at Texas AM University Cyclotron Institute.
doi: 10.1103/PhysRevC.107.024612
2022MC03 Nuovo Cim. C 45, 47 (2022) A.B.McIntosh, K.Hagel, L.A.McIntosh, S.J.Yennello Temperatures of compound nuclei produced in complete and incomplete fusion and the role of neutron excess NUCLEAR REACTIONS 12C(86Kr, X), E=35 MeV/nucleon; measured reaction products; deduced the role of neutron excess in the nuclear equation of state, symmetry dependence of nuclear caloric curve, temperature. The TAMU Cyclotron Institute.
doi: 10.1393/ncc/i2022-22047-2
2021HU01 Phys.Rev. C 103, 014601 (2021) Y.Huang, H.Zheng, R.Wada, X.Liu, W.Lin, G.Qu, M.Huang, P.Ren, J.Han, A.Bonasera, K.Hagel, M.R.D.Rodrigues, S.Kowalski, T.Keutgen, M.Barbui, J.B.Natowitz Nuclear temperature and its dependence on the source neutron-proton asymmetry deduced using the Albergo thermometer NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; measured reaction products, intermediate mass fragments (IMFs), and yield distributions of secondary cold fragments and the reconstructed primary hot IMFs using ΔE-E telescope with an array of 16 single-crystal CsI(Tl) detectors, and 16 detectors of the Belgian-French neutron detector array DEMON for neutrons at K-500 superconducting cyclotron facility of Texas A and M University; deduced N/Z asymmetry dependence of nuclear temperature for nine Albergo thermometers for isotope ratios of 10Be, 11Be/10B, 11B, 12C, 13N/11Be, 12B, 10Be, 11Be/14N, 15N, 7Li, 7Be/11Be, 11B, 11B, 11C/11Be, 11B, 13C, 13N/11Be, 11B, 15N, 19O/11Be, 11B, 17O, 17F/11Be, 11B, 14C, 14N/12B, 12C. 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (70Zn, X), E=40 MeV/nucleon; measured primary hot intermediate mass fragments (IMFs) for application of experimental sequential decay correction from the apparent temperatures to the real ones. Comparison with antisymmetrized molecular dynamics (AMD) calculations using GEMINI code.
doi: 10.1103/PhysRevC.103.014601
2021HU24 Phys.Rev. C 104, 044611 (2021) Y.Huang, W.Lin, H.Zheng, R.Wada, A.Bonasera, Z.Chen, J.Han, R.Han, M.Huang, K.Hagel, T.Keutgen, X.Liu, Y.G.Ma, C.W.Ma, Z.Majka, G.Qu, L.Qin, P.Ren, G.Tian, J.Wang, Z.Yang, J.B.Natowitz Experimental investigation of abnormal transverse flow enhancement of α particles in heavy-ion collisions NUCLEAR REACTIONS 27Al, 48Ti, 58Ni(40Ar, X), E=47 MeV/nucleon from Texas A and M K500 cyclotron facility; measured reaction products, σ(θ) using 4π array NIMROD-ISiS, consisting of a charged particle array and Neutron Ball; deduced normalized charged particle multiplicity distributions, reduced impact parameters, average in-plane fragment transverse momentum for Z=1-5 fragments as function of rapidity, flow as a function of atomic number, two-particle azimuthal correlation functions, relative flow magnitude as function of atomic number, monotonically increasing trend as a function of fragment charge number, evidences for the non-existence of the abnormal α flow behavior in the heavy-ion collisions. Comparison with improved antisymmetrized molecular dynamics model calculations with Fermi motion (AMD-FM).
doi: 10.1103/PhysRevC.104.044611
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
2020HA36 Phys.Rev. C 102, 064625 (2020) B.Harvey, M.Youngs, A.B.McIntosh, A.Jedele, A.Abbott, J.Gauthier, K.Hagel, A.Hannaman, A.Hood, K.Krieble, Y.-W.Lui, L.A.McIntosh, A.Rodriguez Manso, M.Sorensen, Z.Tobin, R.Wada, A.Zarrella, S.J.Yennello Correlation between time and angular alignment in molecular dynamics simulations of heavy ion collisions NUCLEAR REACTIONS 70Zn(70Zn, X), E=35, 45 MeV/nucleon; analyzed yield of events as a function of impact parameter, angular alignment distributions, ratio of yields from the flipped peak to the dynamic peak as a function of the charge asymmetry of projectile-like fragments (PLF*) breakup, and angular alignment versus time using event tree method of analyzing molecular dynamics simulations, with constrained molecular dynamics (CoMD) model for accurate distributions of fragment masses and velocities.
doi: 10.1103/PhysRevC.102.064625
2020HU09 Phys.Rev. C 101, 064603 (2020) Y.Huang, W.Lin, H.Zheng, R.Wada, X.Liu, G.Qu, M.Huang, P.Ren, J.Han, M.R.D.Rodrigues, S.Kowalski, T.Keutgen, K.Hagel, M.Barbui, A.Bonasera, J.B.Natowitz Probing the neutron-proton asymmetry dependence of the nuclear source temperature with light charged particles NUCLEAR REACTIONS 112Sn(64Zn, X), (64Ni, X), E=40 MeV/nucleon; 124Sn, 58,64Ni, 197Au, 232Th(70Zn, X), (64Ni, X), E=40 MeV/nucleon; measured differential σ(θ) for light charged particles: neutrons, protons, deuterons, tritons, 3He and α particles in coincidence with intermediate mass fragments (IMFs) at different lab angle, and apparent temperatures using silicon E-ΔE detector telescope for the detection of IMFs, CsI detectors for light charged particle, and DEMON array for neutrons at the K-500 superconducting cyclotron of Texas A and M University; deduced dependence of nuclear temperature on source neutron-to-proton asymmetry. Comparison with statistical multifragmentation model (SMM), and with antisymmetrized molecular dynamics (AMD-Gemini) calculations.
doi: 10.1103/PhysRevC.101.064603
2020NA39 Phys.Rev. C 102, 064621 (2020) J.B.Natowitz, H.Pais, G.Ropke, J.Gauthier, K.Hagel, M.Barbui, R.Wada Isotopic equilibrium constants for very low-density and low-temperature nuclear matter NUCLEAR REACTIONS 241Pu(n, F)1n/1H/2H/3H/4H/3He/4He/5He/6He/7He/8He/9He/7Li/8Li/9Li/11Li/7Be/8Be/9Be/10Be/11Be/12Be/14Be/10B/11B/12B/14B/15B/17B/14C/15C/16C/17C/18C/19C/20C/15N/16N/17N/18N/19N/20N/21N/15O/19O/20O/21O/22O/24O/19F/20F/21F/22F/24F/24Ne/27Ne/24Na/27Na/28Na/30Na/27Mg/28Mg/30Mg/30Al/34Si/35Si/36Si, E=thermal; calculated equilibrium constants for light isotopes, relative yields of the H, He, and Be isotopes produced in the ternary fission of 242Pu. Comparison with available experimental data. Relativistic mean-field model, with a universal medium modification correction for the attractive σ meson coupling.
doi: 10.1103/PhysRevC.102.064621
2019CA04 Phys.Rev. C 99, 014606 (2019) X.G.Cao, E.J.Kim, K.Schmidt, K.Hagel, M.Barbui, J.Gauthier, S.Wuenschel, G.Giuliani, M.R.D.Rodriguez, S.Kowalski, H.Zheng, M.Huang, A.Bonasera, R.Wada, N.Blando, G.Q.Zhang, C.Y.Wong, A.Staszczak, Z.X.Ren, Y.K.Wang, S.Q.Zhang, J.Meng, J.B.Natowitz Examination of evidence for resonances at high excitation energy in the 7 α disassembly of 28Si NUCLEAR REACTIONS 12C(28Si, X), (28Si, 7α), E=35 MeV/nucleon; measured Eα, Iα, excitation functions for the α-conjugate exit channels using the 4π NIMROD-ISiS array for charged particle detection at the K500 superconducting cyclotron facility of Texas A and M. 28Si; deduced resonances at high excitation energies, shapes of 7α events in the de-excitation of projectile-like nuclei; calculated energies, J, π, configurations, quadrupole deformation of toroidal high-spin isomers using covariant functional PC-PK1 and DD-ME2.
doi: 10.1103/PhysRevC.99.014606
2019LI57 Phys.Rev. C 100, 064601 (2019) X.Liu, H.Zheng, R.Wada, W.Lin, M.Huang, P.Ren, G.Qu, J.Han, M.R.D.Rodrigues, S.Kowalski, T.Keutgen, K.Hagel, M.Barbui, A.Bonasera, J.B.Natowitz Neutron-proton asymmetry dependence of nuclear temperature with intermediate mass fragments NUCLEAR REACTIONS 70Zn, 112Sn(64Zn, X), 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), E=40 MeV/nucleon; measured reaction products, intermediate mass fragments (IMFs), light charged particles (LCPs), (LCP)(IMF)-coin, angular distributions using a Si detector telescope for IMFs and an array of 16 CsI(Tl) detectors for LCPs at the Texas A and M cyclotron facility; deduced multiplicity distributions for 14,16,18,20O, N/Z asymmetry dependence of the nuclear temperature. Comparison with previous experimental results, and with antisymmetrized molecular dynamics (AMD) and statistical multifragmentation model (SMM) simulations using the GEMINI code for AMD.
doi: 10.1103/PhysRevC.100.064601
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
2019WA06 Phys.Rev. C 99, 024616 (2019) R.Wada, W.Lin, P.Ren, H.Zheng, X.Liu, M.Huang, K.Yang, K.Hagel Experimental liquid-gas phase transition signals and reaction dynamics NUCLEAR REACTIONS 27Al, 48Ti, 58Ni(40Ar, X), E=47 MeV/nucleon; analyzed experimental data for charged particles (p, d, t, 3He, α) using the 4π detector NIMROD at TAMU K500 super-conducting cyclotron, quasi-projectile particle kinetic energy spectra, quasi-projectile charge and mass distribution, charged particle multiplicity, and excitation energy distributions; deduced phase transition signals by the statistical multifragmentation model (SMM), quadrupole momentum fluctuation temperatures, specific heat capacity, multiplicity derivative, and normalized variance of maximum charge in quasi-projectiles.
doi: 10.1103/PhysRevC.99.024616
2019ZE04 Acta Phys.Pol. B50, 579 (2019) K.Zelga, Z.Majka, R.Planeta, Z.Sosin, A.Wieloch, M.Adamczyk, K.Lojek, M.Barbui, S.Wuenschel, K.Hagel, X.Cao, J.Natowitz, R.Wada, G.Giuliani, E.-J.Kim, H.Zheng, S.Kowalski Dedicated ΔE-E Detector System for Searching Long-lived Heaviest Nuclei Deposited in Scintillators
doi: 10.5506/aphyspolb.50.579
2018BA38 Phys.Rev. C 98, 044601 (2018) M.Barbui, K.Hagel, J.Gauthier, S.Wuenschel, R.Wada, V.Z.Goldberg, R.T.deSouza, S.Hudan, D.Fang, X.-G.Cao, J.B.Natowitz Searching for states analogous to the 12C Hoyle state in heavier nuclei using the thick target inverse kinematics technique NUCLEAR REACTIONS 4He(20Ne, α), (20Ne, 2α), (20Ne, 3α), (20Ne, 4α), E=13 MeV/nucleon; measured Eα, α(θ), αα-coin, and differential σ(θ) for resonant scattering using ΔE-E telescopes and thick target inverse kinematics (TTIK) technique at K150 cyclotron facility of Texas A and M University. 8Be, 12C, 16O, 24Mg; deduced levels, J, π, multi-α condensed states, widths, evidence for a level in 16O at 15.2 MeV analogous to Hoyle state in 12C. Comparison with PACE4 and HIPSE simulations, and with experimental results.
doi: 10.1103/PhysRevC.98.044601
2018MA61 Acta Phys.Pol. B49, 1801 (2018) Z.Majka, R.Planeta, Z.Sosin, A.Wieloch, K.Zelga, M.Adamczyk, K.Pelczar, M.Barbui, S.Wuenschel, K.Hagel, X.Cao, E.-J.Kim, J.Natowitz, R.Wada, H.Zheng, G.Giuliani, S.Kowalski A Novel Experimental Setup for Rare Events Selection and Its Potential Application to Super-heavy Elements Search
doi: 10.5506/APhysPolB.49.1801
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
2018WU05 Phys.Rev. C 97, 064602 (2018) S.Wuenschel, K.Hagel, M.Barbui, J.Gauthier, X.G.Cao, R.Wada, E.J.Kim, Z.Majka, R.Planeta, Z.Sosin, A.Wieloch, K.Zelga, S.Kowalski, K.Schmidt, C.Ma, G.Zhang, J.B.Natowitz Experimental survey of the production of α-decaying heavy elements in 238U+232Th reactions at 7.5-6.1 MeV/nucleon NUCLEAR REACTIONS 232Th(238U, X), (197Au, X), E=6.1 MeV/nucleon; measured reaction products, Eα, α(θ), Eα(t) of reaction product decays, (recoil)α-coin, differential σ(θ) using Big-Sol Superconducting-Solenoid Time of Flight Spectrometer at Texas A and M; deduced α-decay and spontaneous fission T1/2 of recoils and α-decay T1/2 of daughter nuclides, and of correlated pairs, thick target differential cross sections. Comparison with previous experimental results, and theoretical predictions.
doi: 10.1103/PhysRevC.97.064602
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
2017LI15 Phys.Rev. C 95, 044601 (2017) X.Liu, W.Lin, M.Huang, R.Wada, J.Wang, A.Bonasera, H.Zheng, Z.Chen, S.Kowalski, T.Keutgen, K.Hagel, L.Qin, J.B.Natowitz, T.Materna, P.K.Sahu, M.Barbui, C.Bottosso, M.R.D.Rodrigues Chemical potential and symmetry energy for intermediate-mass fragment production in heavy ion reactions near the Fermi energy NUCLEAR REACTIONS 112,124Sn, 58,64Ni, 197Au, 232Th(64Ni, X), (70Zn, X), 112Sn(64Zn, X), E=40 MeV/nucleon; measured mass fragments (IMFs), protons, deuterons, tritons, 3He, and α particles using detector telescopes, neutrons were detected using 16 detectors of the DEMON array, yields of light charged particles (LCPs) in coincidence with IMFs using an array of 16 single crystal CsI(Tl) detectors, and σ(θ) using K-500 superconducting cyclotron facility at Texas A and M; deduced ratios of neutron-proton differential chemical potential values to temperature, density dependent symmetry energy. Comparison with quantum statistical model, and with previous experimental data.
doi: 10.1103/PhysRevC.95.044601
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
2017SC09 Phys.Rev. C 95, 054618 (2017) K.Schmidt, X.Cao, E.J.Kim, K.Hagel, M.Barbui, J.Gauthier, S.Wuenschel, G.Giuliani, M.R.D.Rodrigues, H.Zheng, M.Huang, N.Blando, A.Bonasera, R.Wada, C.Botosso, G.Liu, G.Viesti, S.Moretto, G.Prete, S.Pesente, D.Fabris, Y.El Masri, T.Keutgen, S.Kowalski, A.Kumar, G.Zhang, J.B.Natowitz α-conjugate neck structures in the collisions of 35 MeV/nucleon 40Ca with 40Ca NUCLEAR REACTIONS 40Ca(40Ca, X), E=35 MeV/nucleon; measured reaction products, yields of the heaviest fragments, average excitation energy vs exit channel separation energy, events for α particles and α-conjugate nuclei, excitation energy distributions, excitation functions, and projectile-like fragments in the exit channels using the NIMROD-ISiS 4π array at the K500 superconducting cyclotron of the Texas A and M University; deduced hierarchy effect, dominance of α-conjugate exit channels in a subset of events with a total α-conjugate A=40 and Z=20, source-frame-invariant velocity plots for α-like and two fragment α-like exit channels, parallel velocity distributions for α-conjugate exit channels, de-excitation of α-conjugate nuclei, and the dynamics of collisions leading to projectile-like fragment exit channels.
doi: 10.1103/PhysRevC.95.054618
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
2016LA10 Phys.Rev. C 93, 045808 (2016) D.Lattuada, M.Barbarino, A.Bonasera, W.Bang, H.J.Quevedo, M.Warren, F.Consoli, R.De Angelis, P.Andreoli, S.Kimura, G.Dyer, A.C.Bernstein, K.Hagel, M.Barbui, K.Schmidt, E.Gaul, M.E.Donovan, J.B.Natowitz, T.Ditmire Model-independent determination of the astrophysical S factor in laser-induced fusion plasmas NUCLEAR REACTIONS 2H(d, n)3He, 3He(d, p)4He, E(cm)=5-500 keV; measured deuterium ion energy density distribution from time-of-flight, neutron yields from d+d fusion, angular distribution of neutrons, yield of 14.7-MeV protons using various scintillation detectors; deduced model-independent astrophysical factor S(E). Laser-induced fusion plasmas using Texas Petawatt Laser (TPW). Comparison with previous experimental data. Relevance to primordial abundances in Big Bang nucleosynthesis (BBN) models, and plasma physics.
doi: 10.1103/PhysRevC.93.045808
2015HE13 Phys.Rev. C 91, 045805 (2015) M.Hempel, K.Hagel, J.Natowitz, G.Ropke, S.Typel Constraining supernova equations of state with equilibrium constants from heavy-ion collisions NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; analyzed experimental data obtained using NIMROD 4π multidetector at Texas A and M University for yields of light particles; deduced temperature and densities, equilibrium constants (ECs) for α, d, t, 3He, mass fraction of heavy nuclei. Cluster formation in heavy-ion collisions, and equation of state (EOS) of warm and dense nuclear matter. Quantum statistical (QS) approach.
doi: 10.1103/PhysRevC.91.045805
2015LI01 Nucl.Phys. A933, 290 (2015) X.Liu, W.Lin, R.Wada, M.Huang, P.Ren, Z.Chen, J.Wang, G.Q.Xiao, S.Zhang, R.Han, J.Liu, F.Shi, M.R.D.Rodrigues, S.Kowalski, T.Keutgen, K.Hagel, M.Barbui, A.Bonasera, J.B.Natowitz, H.Zheng Reconstructed primary fragments and symmetry energy, temperature and density of the fragmenting source in 64Zn + 112Sn at 40 MeV/nucleon NUCLEAR REACTIONS 112Sn(64Zn, x), E=40 MeV/nucleon; calculated, analyzed cold fragments isotopic multiplicity distributions, yields using AMD; deduced temperature, temperature vs fragment mass, symmetry energy.
doi: 10.1016/j.nuclphysa.2014.09.077
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
2014HA05 Eur.Phys.J. A 50, 39 (2014) K.Hagel, J.B.Natowitz, G.Ropke The equation of state and symmetry energy of low-density nuclear matter NUCLEAR STRUCTURE 2,3H, 3,4He; calculated cluster mass excess, binding energy in low-density symmetric nuclear matter using RMF.
doi: 10.1140/epja/i2014-14039-4
2014LI03 Phys.Rev. C 89, 021601 (2014) W.Lin, X.Liu, M.R.D.Rodrigues, S.Kowalski, R.Wada, M.Huang, S.Zhang, Z.Chen, J.Wang, G.Q.Xiao, R.Han, Z.Jin, J.Liu, F.Shi, T.Keutgen, K.Hagel, M.Barbui, C.Bottosso, A.Bonasera, J.B.Natowitz, E.J.Kim, T.Materna, L.Qin, P.K.Sahu, K.J.Schmidt, S.Wuenschel, H.Zheng Novel determination of density, temperature, and symmetry energy for nuclear multifragmentation through primary fragment-yield reconstruction NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; measured yield distributions of intermediate mass fragments Z=3-18 at Texas A and M cyclotron facility using CsI(Tl) detectors for light-charged particles and DEMON array for neutrons; deduced density, temperature, and symmetry energy coefficient using antisymmetrized molecular dynamics (AMD) simulations.
doi: 10.1103/PhysRevC.89.021601
2014LI33 Phys.Rev. C 90, 014604 (2014) X.Liu, W.Lin, R.Wada, M.Huang, Z.Chen, G.Q.Xiao, S.Zhang, R.Han, M.H.Zhao, P.Ren, Z.Jin, J.Liu, F.Shi, J.B.Natowitz, A.Bonasera, K.Hagel, H.Zheng, M.Barbui, K.Schmidt Mass dependence of transverse flow in heavy ion collisions at intermediate energies NUCLEAR REACTIONS 40Ca(40Ca, X), E=35 MeV/nucleon; measured reaction product spectra, charged particle distributions using NIMROD-ISiS detector system at Texas A-M cyclotron facility; deduced Average in-plane momenta, transverse flow for Z=1-9 particles. Comparison with constrained molecular dynamics (CoMD) simulations.
doi: 10.1103/PhysRevC.90.014604
2014LI44 Phys.Rev. C 90, 044603 (2014) W.Lin, X.Liu, M.R.D.Rodrigues, S.Kowalski, R.Wada, M.Huang, S.Zhang, Z.Chen, J.Wang, G.Q.Xiao, R.Han, Z.Jin, J.Liu, P.Ren, F.Shi, T.Keutgen, K.Hagel, M.Barbui, C.Bottosso, A.Bonasera, J.B.Natowitz, T.Materna, L.Qin, P.K.Sahu, H.Zheng Experimental reconstruction of primary hot isotopes and characteristic properties of the fragmenting source in heavy-ion reactions near the Fermi energy NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; measured fragment spectra, E(n), I(n), double-differential σ(E, θ) for fragments at Texas A and M K-500 superconducting cyclotron facility; deduced isotopic and neutron multiplicity distributions, cold-isotope distributions, absolute multiplicities of reconstructed hot isotopes, symmetry energy coefficient. Monte Carlo simulations. Comparison with antisymmetrized molecular dynamics (AMD) transport model simulations.
doi: 10.1103/PhysRevC.90.044603
2014MA28 Acta Phys.Pol. B45, 279 (2014) Z.Majka, M.Barbui, F.Becchetti, G.Chubaryan, M.Cinausero, D.Fabris, G.Giuliani, H.Griffin, K.Hagel, J.Kallunkathariyil, E-J.Kim, S.Kowalski, P.Lasko, M.Lunardon, T.Materna, S.Moretto, R.Murthy, J.Natowitz, G.Nebbia, T.O'Donnel, S.Pesente, R.Planeta, G.Prete, L.Quin, V.Rizzi, P.Sahu, K.Schmidt, G.Souliotis, Z.Sosin, G.Viesti, R.Wada, J.Wang, A.Wieloch, S.Wuenschel, H.Zheng Experimental Search for Super and Hyper Heavy Nuclei at Cyclotron Institute Texas A and M University
doi: 10.5506/APhysPolB.45.279
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
2014WU06 Phys.Rev. C 90, 011601 (2014), Erratum Phys.Rev. C 90, 019903 (2014) S.Wuenschel, H.Zheng, K.Hagel, B.Meyer, M.Barbui, E.J.Kim, G.Ropke, J.B.Natowitz Nucleation and cluster formation in low-density nucleonic matter: A mechanism for ternary fission NUCLEAR REACTIONS 241Pu(n, F), E=thermal; calculated ternary fission yields as a function of mass and charge of products of A<40. Nucleation and cluster formation in the low-density neck between the two large fragments. Nuclear statistical equilibrium (NSE) calculations. Comparison with experimental data. 242Pu(SF); plotted experimental relative yields of ternary cluster isotopes.
doi: 10.1103/PhysRevC.90.011601
2013BA43 Phys.Rev.Lett. 111, 082502 (2013) M.Barbui, W.Bang, A.Bonasera, K.Hagel, K.Schmidt, J.B.Natowitz, R.Burch, G.Giuliani, M.Barbarino, H.Zheng, G.Dyer, H.J.Quevedo, E.Gaul, A.C.Bernstein, M.Donovan, S.Kimura, M.Mazzocco, F.Consoli, R.De Angelis, P.Andreoli, T.Ditmire Measurement of the Plasma Astrophysical S Factor for the 3He(d, p)4He Reaction in Exploding Molecular Clusters NUCLEAR REACTIONS 3He(d, p), E(cm)<300 keV; measured reaction products, TOF, Ep, Ip; deduced S-factors, σ, first measurement in the keV energy range. Comparison with available data.
doi: 10.1103/PhysRevLett.111.082502
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
2013RO21 Phys.Rev. C 88, 024609 (2013) G.Ropke, S.Shlomo, A.Bonasera, J.B.Natowitz, S.J.Yennello, A.B.McIntosh, J.Mabiala, L.Qin, S.Kowalski, K.Hagel, M.Barbui, K.Schmidt, G.Giuliani, H.Zheng, S.Wuenschel Density determinations in heavy ion collisions
doi: 10.1103/PhysRevC.88.024609
2013RO25 Phys.Rev. C 88, 034605 (2013) M.R.D.Rodrigues, W.Lin, X.Liu, M.Huang, S.Zhang, Z.Chen, J.Wang, R.Wada, S.Kowalski, T.Keutgen, K.Hagel, M.Barbui, C.Bottosso, A.Bonasera, J.B.Natowitz, T.Materna, L.Qin, P.K.Sahu, K.J.Schmidt Experimental reconstruction of excitation energies of primary hot isotopes in heavy ion collisions near the Fermi energy NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; measured spectra of intermediate mass fragments (IMFs), light particles, neutrons, protons, deuterons, and α in singles and coincidence, double-differential σ(θ) from n(fragment)-, p(fragment)-, α(fragment)-, d(fragment)-coin spectra using various charged-particle detector systems and DEMON neutron detector at Texas A-M facility; deduced multiplicities of the evaporated light particles from Z=3-14, excitation energies of the primary hot isotopes employing a Monte Carlo method. Comparison with antisymmetrized molecular dynamics (AMD) and statistical multifragmentation model (SMM) simulations.
doi: 10.1103/PhysRevC.88.034605
2012HA04 Phys.Rev.Lett. 108, 062702 (2012) K.Hagel, R.Wada, L.Qin, J.B.Natowitz, S.Shlomo, A.Bonasera, G.Ropke, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, C.Bottosso, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Experimental Determination of In-Medium Cluster Binding Energies and Mott Points in Nuclear Matter NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; measured reaction products, Eα, Iα. 2,3H, 3,4He; deduced temperature and density dependence, binding energies, Pauli blocking effects in a quantum statistical approach.
doi: 10.1103/PhysRevLett.108.062702
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
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
2012QI06 Phys.Rev.Lett. 108, 172701 (2012) L.Qin, K.Hagel, R.Wada, J.B.Natowitz, S.Shlomo, A.Bonasera, G.Ropke, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka, Y.G.Ma Laboratory Tests of Low Density Astrophysical Nuclear Equations of State NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X)2H/3H/3He/4He, E=47 MeV/nucleon; measured reaction products, Eα, Iα; deduced yields, equilibrium constants for α particle production. Astrophysical equation of state calculations.
doi: 10.1103/PhysRevLett.108.172701
2012WA20 Phys.Rev. C 85, 064618 (2012) R.Wada, K.Hagel, L.Qin, J.B.Natowitz, Y.G.Ma, G.Ropke, S.Shlomo, A.Bonasera, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, C.Bottosso, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Nuclear matter symmetry energy at 0.03 ≤ ρ/ρ0 NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; measured charged particle and neutron spectra and multiplicity; deduced coalescence parameters and model volumes as a function of surface velocity, nuclear temperature, density, isoscaling parameter, symmetry free energy and symmetry entropy versus density. NIMROD multidetector at Texas A
doi: 10.1103/PhysRevC.85.064618
2011BA51 J.Phys.:Conf.Ser. 312, 082012 (2011) M.Barbui, K.Hagel, J.B.Natowitz, A.Bonasera, R.Wada, P.K.Sahu, T.Materna, Z.Chen, L.Quin, G.A.Souliotis, G.Chubaryan, D.Fabris, M.Lunardon, M.Morando, S.Moretto, G.Nebbia, S.Pesente, G.Viesti, F.Bocci, M.Cinausero, V.Rizzi, G.Prete, S.Kowalski, Z.Majka, A.Wieloch, F.D.Becchetti, T.W.O'Donnel, H.Griffin Search for Heavy and Superheavy systems in 197Au + 232Th Collisions near the Coulomb Barrier NUCLEAR REACTIONS 232Th(197Au, X), E=7.5 MeV/nucleon; measured yields; calculated yields at 6, 6.75, 7.5 MeV/nucleon using constrained molecular dynamics.
doi: 10.1088/1742-6596/312/4/082012
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
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
2011NA20 Int.J.Mod.Phys. E20, 987 (2011) J.B.Natowitz, K.Hagel, R.Wada, L.Qin, Z.Chen, P.Sahu, G.Ropke, S.Kowalski, C.Bottosso, S.Shlomo, M.Barbui, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Clustered low density nuclear matter in near Fermi energy collisions
doi: 10.1142/S0218301311019118
2011RO57 J.Phys.:Conf.Ser. 312, 082009 (2011) M.R.D.Rodrigues, R.Wada, K.Hagel, M.Huang, Z.Chen, S.Kowalski, T.Keutgen, J.B.Natowitz, M.Barbui, A.Bonasera, K.Schmidt, J.Wang, L.Qin, T.Materna, P.K.Sahu Neutron multiplicity from primary hot fragments produced in heavy ion reactions near Fermi energy NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; measured E(fragment), I(fragment, θ), En, In(θ), (fragment)n-coin; measured neutron multiplicity in coincidence with 12C vs angle between them.
doi: 10.1088/1742-6596/312/4/082009
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
2010CH21 Phys.Rev. C 81, 064613 (2010) Z.Chen, S.Kowalski, M.Huang, R.Wada, T.Keutgen, K.Hagel, A.Bonasera, J.B.Natowitz, T.Materna, L.Qin, P.K.Sahu, J.Wang Isocaling and the symmetry energy in the multifragmentation regime of heavy-ion collisions NUCLEAR REACTIONS 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (64Zn, X), (70Zn, X), E=40 MeV/nucleon; measured yields of 10,11,12,13,14,15,16C and 23,24,25,26,27,28,29Mg, ratio of symmetry energy coefficient to temperature as a function of atomic number of the fragment. Extracted isoscaling parameters α and β as a function of Z from 150 different reaction combinations. Comparison with antisymmetrized molecular dynamics (AMD) model.
doi: 10.1103/PhysRevC.81.064613
2010HU05 Phys.Rev. C 81, 044618 (2010) M.Huang, A.Bonasera, Z.Chen, R.Wada, K.Hagel, J.B.Natowitz, P.K.Sahu, L.Qin, T.Keutgen, S.Kowalski, T.Materna, J.Wang, M.Barbui, C.Bottosso, M.R.D.Rodrigues Isospin dependence of the nuclear equation of state near the critical point NUCLEAR REACTIONS 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (64Zn, X), (70Zn, X), E=40 MeV/nucleon; measured particle spectra, fragment and light-particle yields, (fragment)(light charged particle)-coin, mass distributions, free energies using the Landau approach. E-ΔE Si telescopes for intermediate mass fragments (IMF) and scintillation detectors for light charged particles.
doi: 10.1103/PhysRevC.81.044618
2010HU06 Phys.Rev. C 81, 044620 (2010) M.Huang, Z.Chen, S.Kowalski, Y.G.Ma, R.Wada, T.Keutgen, K.Hagel, M.Barbui, A.Bonasera, C.Bottosso, T.Materna, J.B.Natowitz, L.Qin, M.R.D.Rodrigues, P.K.Sahu, J.Wang Isobaric yield ratios and the symmetry energy in heavy-ion reactions near the Fermi energy NUCLEAR REACTIONS 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (64Zn, X), (70Zn, X), E=40 MeV/nucleon; measured particle spectra for Z=6-15 isotopes, (fragment)(light charged particle)-coin, multiplicity distribution of primary fragments; deduced coefficients of Coulomb energy, symmetry energy and pairing energy. E-ΔE Si telescopes for intermediate mass fragments (IMF) and scintillation detectors for light charged particles. Comparison with calculations using AMD and GEMINI computer codes.
doi: 10.1103/PhysRevC.81.044620
2010HU15 Phys.Rev. C 82, 054602 (2010) M.Huang, R.Wada, Z.Chen, T.Keutgen, S.Kowalski, K.Hagel, M.Barbui, A.Bonasera, C.Bottosso, T.Materna, J.B.Natowitz, L.Qin, M.R.D.Rodrigues, P.K.Sahu, K.J.Schmidt, J.Wang Power law behavior of the isotope yield distributions in the multifragmentation regime of heavy ion reactions NUCLEAR REACTIONS 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (64Zn, X), (70Zn, X), E=40 MeV/nucleon; measured intermediate mass fragments (IMF) and yields of light charged particles in coin with IMF, angular distribution of fragments, multiplicity distributions versus isotope mass. Comparison with modified Fisher model. Power law behavior of isotope yield distributions.
doi: 10.1103/PhysRevC.82.054602
2010HU17 Nucl.Phys. A847, 233 (2010) M.Huang, Z.Chen, S.Kowalski, R.Wada, T.Keutgen, K.Hagel, J.Wang, L.Qin, J.B.Natowitz, T.Materna, P.K.Sahu, M.Barbui, C.Bottosso, M.R.D.Rodrigues, A.Bonasera A novel approach to isoscaling: The role of the order parameter m = Nf-Zf over Af NUCLEAR REACTIONS 58,64Ni, 112,124Sn, 197Au, 232Th(64Ni, X), (64Zn, X), (70Zn, X), E=40 MeV/nucleon; measured particle spectra, fragment and charged-particle yields, (fragment)(charged-particle)-coin, mass distributions; deduced systematics of isoscaling parameters α and β. Si(Li) telescope and scintillation detectors.
doi: 10.1016/j.nuclphysa.2010.07.004
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
2010NA07 Phys.Rev.Lett. 104, 202501 (2010) J.B.Natowitz, G.Ropke, S.Typel, D.Blaschke, A.Bonasera, K.Hagel, T.Klahn, S.Kowalski, L.Qin, S.Shlomo, R.Wada, H.H.Wolter Symmetry Energy of Dilute Warm Nuclear Matter NUCLEAR REACTIONS 92Mo, 197Au(64Zn, X), E=35 MeV/nucleon; analyzed heavy-ion collision data; deduced free neutron and proton yields, temperatures, densities, symmetry energy. Quantum-statistical model of nuclear matter.
doi: 10.1103/PhysRevLett.104.202501
2010QI06 Nucl.Phys. A834, 521c (2010) L.Qin, J.B.Natowitz, G.Roepke, K.Hagel, R.Wada, Z.Chen, M.Huang, S.Kowalski, C.Bottosso, S.Shlomo, M.Barbui, A.Bonasera, M.Rodrigues, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Laboratory Studies of low density matter
doi: 10.1016/j.nuclphysa.2010.01.081
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
2009BA34 Int.J.Mod.Phys. E18, 1036 (2009) M.Barbui, T.Materna, P.Sahu, A.Wieloch, F.D.Becchetti, G.Chubaryan, M.Cinausero, T.W.O'Donnell, D.Fabris, H.Griffin, K.Hagel, S.Kowalski, M.Lunardon, Z.Majka, S.Moretto, R.Murthy, J.B.Natowitz, G.Nebbia, S.Pesente, G.Prete, L.Qin, V.Rizzi, Z.Sosin, G.Souliotis, G.Viesti, R.Wada, J.Wang New experimental approach for heavy and superheavy element production NUCLEAR REACTIONS 232Th(197Au, X), E=7.5 MeV/nucleon; measured TOF-coin. Found candidates for superheavies. Very preliminary.
doi: 10.1142/S0218301309013208
2009SH12 Phys.Rev. C 79, 034604 (2009) S.Shlomo, G.Ropke, J.B.Natowitz, L.Qin, K.Hagel, R.Wada, A.Bonasera Effect of medium dependent binding energies on inferring the temperatures and freeze-out density of disassembling hot nuclear matter from cluster yields
doi: 10.1103/PhysRevC.79.034604
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
2008BO28 Phys.Rev.Lett. 101, 122702 (2008) A.Bonasera, Z.Chen, R.Wada, K.Hagel, J.Natowitz, P.Sahu, L.Qin, S.Kowalski, Th.Keutgen, T.Materna, T.Nakagawa Quantum Nature of a Nuclear Phase Transition NUCLEAR REACTIONS 232Th(64Ni, X), E=40 MeV/nucleon; measured fragment mass distributions. 64Ni(64Ni, X), E=40 MeV/nucleon; measured free and symmetry energies. Compared results to model calculations.
doi: 10.1103/PhysRevLett.101.122702
2007KO04 Phys.Rev. C 75, 014601 (2007) S.Kowalski, J.B.Natowitz, S.Shlomo, R.Wada, K.Hagel, J.Wang, T.Materna, Z.Chen, Y.G.Ma, L.Qin, A.S.Botvina, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka, A.Ono Experimental determination of the symmetry energy of a low density nuclear gas NUCLEAR REACTIONS 92Mo, 197Au(64Zn, X), E=35 MeV/nucleon; measured light charged particle spectra, multiplicities, yield ratios; deduced temperature- and density-dependent symmetry energy coefficients.
doi: 10.1103/PhysRevC.75.014601
2007KO51 Nucl.Phys. A787, 619c (2007) S.Kowalski, J.B.Natowitz, S.Shlomo, R.Wada, K.Hagel, J.Wang, T.Materna, Z.Chen, Y.G.Ma, L.Qin, A.S.Botvina, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka, A.Ono Clustering and Symmetry Energy in a Low Density Nuclear Gas NUCLEAR REACTIONS 92Mo, 197Au(64Zn, X), E=35 MeV/nucleon; analyzed charged-particle and neutron mutliplicities; deduced cluster formation, reaction mechanism features and isoscaling parameters.
doi: 10.1016/j.nuclphysa.2006.12.092
2007WA02 Phys.Rev. C 75, 014604 (2007) J.Wang, T.Keutgen, R.Wada, K.Hagel, S.Kowalski, T.Materna, L.Qin, Z.Chen, J.B.Natowitz, Y.G.Ma, M.Murray, A.Keksis, E.Martin, A.Ruangma, D.V.Shetty, G.Souliotis, M.Veselsky, E.M.Winchester, S.J.Yennello, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, J.Cibor, Z.Majka, P.Staszel, W.Zipper, Y.El Masri, R.Alfaro, A.Martinez-Davalos, A.Menchaca-Rocha, A.Ono Properties of the initial participant matter interaction zone in near-Fermi-energy heavy-ion collisions NUCLEAR REACTIONS 112Sn(40Ar, X), E=40 MeV/nucleon; 124Sn(27Al, X), E=55 MeV/nucleon; measured light charged particle and neutron spectra, multiplicities, yield ratios; deduced source features.
doi: 10.1103/PhysRevC.75.014604
2005AR18 Nucl.Phys. A757, 1 (2005) I.Arsene, I.G.Bearden, D.Beavis, C.Besliu, B.Budick, H.Boggild, C.Chasman, C.H.Christensen, P.Christiansen, J.Cibor, R.Debbe, E.Enger, J.J.Gaardhoje, M.Germinario, O.Hansen, A.Holm, A.K.Holme, K.Hagel, H.Ito, E.Jakobsen, A.Jipa, F.Jundt, J.I.Jordre, C.E.Jorgensen, R.Karabowicz, E.J.Kim, T.Kozik, T.M.Larsen, J.H.Lee, Y.K.Lee, S.Lindahl, G.Lovhoiden, Z.Majka, A.Makeev, M.Mikelsen, M.J.Murray, J.Natowitz, B.Neumann, B.S.Nielsen, D.Ouerdane, R.Planeta, F.Rami, C.Ristea, O.Ristea, D.Rohrich, B.H.Samset, D.Sandberg, S.J.Sanders, R.A.Scheetz, P.Staszel, T.S.Tveter, F.Videbaek, R.Wada, Z.Yin, I.S.Zgura Quark-gluon plasma and color glass condensate at RHIC? The perspective from the BRAHMS experiment NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=130, 200 GeV/nucleon; analyzed data; deduced possible quark-gluon plasma formation.
doi: 10.1016/j.nuclphysa.2005.02.130
2005MA14 Nucl.Phys. A749, 106c (2005) Y.G.Ma, J.B.Natowitz, R.Wada, K.Hagel, J.Wang, T.Keutgen, Z.Majka, M.Murray, L.Qin, P.Smith, R.Alfaro, J.Cibor, M.Cinausero, Y.El Masri, D.Fabris, E.Fioretto, A.Keksis, M.Lunardon, A.Makeev, N.Marie, E.Martin, A.Martinez-Davalos, A.Menchaca-Rocha, G.Nebbia, G.Prete, V.Rizzi, A.Ruangma, D.V.Shetty, G.Souliotis, P.Staszel, M.Veselsky, G.Viesti, E.M.Winchester, S.J.Yennello Towards the critical behavior for the light nuclei by NIMROD detector NUCLEAR REACTIONS 58Ni(40Ar, X), E=47 MeV/nucleon; measured light charged particle and intermediate mass fragments charge and energy distributions; deduced phase transition features. Fisher droplet model and Zipf's law analysis.
doi: 10.1016/j.nuclphysa.2004.12.015
2005MA32 Phys.Rev. C 71, 054606 (2005) Y.G.Ma, J.B.Natowitz, R.Wada, K.Hagel, J.Wang, T.Keutgen, Z.Majka, M.Murray, L.Qin, P.Smith, R.Alfaro, J.Cibor, M.Cinausero, Y.El Masri, D.Fabris, E.Fioretto, A.Keksis, M.Lunardon, A.Makeev, N.Marie, E.Martin, A.Martinez-Davalos, A.Menchaca-Rocha, G.Nebbia, G.Prete, V.Rizzi, A.Ruangma, D.V.Shetty, G.Souliotis, P.Staszel, M.Veselsky, G.Viesti, E.M.Winchester, S.J.Yennello Critical behavior in light nuclear systems: Experimental aspects NUCLEAR REACTIONS 27Al, 48Ti, 58Ni(40Ar, X), (40Ar, pX), (40Ar, dX), (40Ar, tX), (40Ar, 3HeX), (40Ar, αX), E=47 MeV/nucleon; measured fragment charge distributions, charged particle spectra, multiplicities; deduced phase transition features.
doi: 10.1103/PhysRevC.71.054606
2004KE09 Phys.Rev. C 70, 014611 (2004) Th.Keutgen, J.Cabrera, Y.El Masri, Ch.Dufauquez, V.Roberfroid, I.Tilquin, A.Ninane, J.Van Mol, R.Regimbart, R.J.Charity, J.B.Natowitz, K.Hagel, R.Wada, D.J.Hinde Properties of neutron emission in fission processes induced by 20Ne + 159Tb and 20Ne + 169Tm reactions between E = 8 and 16 MeV/nucleon NUCLEAR REACTIONS 159Tb, 169Tm(20Ne, F), E=8, 10, 13, 16 MeV/nucleon; measured neutron spectra, angular distributions, multiplicities, fission fragment energy and mass distributions.
doi: 10.1103/PhysRevC.70.014611
2004MA20 Phys.Rev. C 69, 031604 (2004) Y.G.Ma, R.Wada, K.Hagel, J.Wang, T.Keutgen, Z.Majka, M.Murray, L.Qin, P.Smith, J.B.Natowitz, R.Alfaro, J.Cibor, M.Cinausero, Y.El Masri, D.Fabris, E.Fioretto, A.Keksis, M.Lunardon, A.Makeev, N.Marie, E.Martin, A.Martinez-Davalos, A.Menchaca-Rocha, G.Nebbia, G.Prete, V.Rizzi, A.Ruangma, D.V.Shetty, G.Souliotis, P.Staszel, M.Veselsky, G.Viesti, E.M.Winchester, S.J.Yennello Evidence of critical behavior in the disassembly of nuclei with A ∼ 36 NUCLEAR REACTIONS 58Ni(40Ar, X), E=47 MeV/nucleon; measured light charged particle and intermediate mass fragment spectra, charge and angular distributions; deduced critical behavior in quasiprojectile fragmentation.
doi: 10.1103/PhysRevC.69.031604
2004MO19 Phys.Rev. C 69, 044604 (2004) S.Moretto, D.Fabris, M.Lunardon, S.Pesente, V.Rizzi, G.Viesti, M.Barbui, M.Cinausero, E.Fioretto, G.Prete, A.Brondi, E.Vardaci, F.Lucarelli, A.Azhari, X.D.Tang, K.Hagel, Y.Ma, A.Makeev, M.Murray, J.B.Natowitz, L.Qin, P.Smith, L.Trache, R.E.Tribble, R.Wada, J.Wang Search for temperature and N/Z dependent effects in the decay of A = 98 compound nuclei NUCLEAR REACTIONS 87Rb(11B, X), (11C, X), E=110 MeV; measured particle spectra, (light particle)(evaporation residue)-coin, relative proton, α-particle yields. Comparison with statistical model predictions.
doi: 10.1103/PhysRevC.69.044604
2004NA05 Int.J.Mod.Phys. E13, 269 (2004) J.B.Natowitz, K.Hagel, Y.Ma, M.Murray, L.Qin, S.Shlomo, R.Wada, J.Wang Relationships between caloric curves and the critical point of nucleonic matter
doi: 10.1142/S0218301304002041
2004SH22 Nucl.Phys. A734, E100 (2004) D.V.Shetty, A.Keksis, E.Martin, A.Ruangma, G.A.Souliotis, M.Veselsky, E.M.Winchester, S.J.Yennello, K.Hagel, Y.G.Ma, A.Makeev, N.Marie, M.Murray, J.B.Natowitz, L.Qin, P.Smith, R.Wada, J.Wang, M.Cinausero, E.Fioretto, G.Prete, D.Fabris, M.Lunardon, G.Nebbia, V.Rizzi, G.Viesti, J.Cibor, Z.Majka, P.Staszel, R.Alfaro, A.Martinez-Davalos, A.Menchaca-Rocha, Y.El Masri, T.Keutgen Mid-rapidity emission in 124Sn, 124Xe + 124Sn, 112Sn reactions at 28 MeV/nucleon NUCLEAR REACTIONS 112,124Sn(124Sn, X), (124Xe, X), E=28 MeV/nucleon; measured light charged particle and intermediate mass fragment yields, rapidity distributions vs centrality.
doi: 10.1016/j.nuclphysa.2004.03.030
2003CA32 Phys.Rev. C 68, 034613 (2003) J.Cabrera, Th.Keutgen, Y.El Masri, Ch.Dufauquez, V.Roberfroid, I.Tilquin, J.Van Mol, R.Regimbart, R.J.Charity, J.B.Natowitz, K.Hagel, R.Wada, D.J.Hinde Fusion-fission and fusion-evaporation processes in 20Ne + 159Tb and 20Ne + 169Tm interactions between E/A=8 and 16 MeV NUCLEAR REACTIONS 159Tb, 169Tm(20Ne, X), E=8-16 MeV/nucleon; measured fission, fusion, and evaporation residue σ, neutron multiplicities, fragment energy and angular distributions; deduced reaction mechanism features.
doi: 10.1103/PhysRevC.68.034613
2003SH36 Phys.Rev. C 68, 054605 (2003) D.V.Shetty, A.Keksis, E.Martin, A.Ruangma, G.A.Souliotis, M.Veselsky, E.M.Winchester, S.J.Yennello, K.Hagel, Y.G.Ma, A.Makeev, N.Marie, M.Murray, J.B.Natowitz, L.Qin, P.Smith, R.Wada, J.Wang, M.Cinausero, E.Fioretto, G.Prete, D.Fabris, M.Lunardon, G.Nebbia, V.Rizzi, G.Viesti, J.Cibor, Z.Majka, P.Staszel, R.Alfaro, A.Martinez-Davalos, A.Menchaca-Rocha, Y.El Masri, T.Keutgen, and the NIMROD Collaboration Intermediate mass fragments and isospin dependence in 124Sn, 124Xe + 124Sn 112Sn reactions at 28 MeV/nucleon NUCLEAR REACTIONS 112,124Sn(124Sn, X), (124Xe, X), E=28 MeV/nucleon; measured light charged particle and intermediate mass fragments isotopic yields, energy spectra, multiplicities; deduced isospin dependences.
doi: 10.1103/PhysRevC.68.054605
2002LU04 Eur.Phys.J. A 13, 419 (2002) M.Lunardon, G.Viesti, D.Bazzacco, D.Fabris, G.Nebbia, C.Ur, C.Rossi Alvarez, M.Cinausero, E.Farnea, E.Fioretto, G.Prete, G.de Angelis, D.R.Napoli, K.Hagel, J.B.Natowitz, R.Wada Experimental Investigation of the Level Density in Highly Excited Nuclei Around 208Pb NUCLEAR REACTIONS 198Pt(11B, xnyp)201Bi/202Bi/203Bi/204Bi/205Bi/202Pb/203Pb/204Pb/205Pb, E=55-90 MeV; 198Pt(10B, X)201Bi/202Bi/203Bi/204Bi/202Pb/203Pb/204Pb, E=55-65 MeV; measured Eγ, Iγ, Ep, γγ-, (charged particle)γ-coin; deduced relative yields, level density features. 208Pb deduced nuclear temperature following first-chance proton emission. GASP, ISIS arrays. Statistical model calculations.
doi: 10.1007/s10050-002-8772-7
2002MA31 Phys.Rev. C65, 051602 (2002); Erratum Phys.Rev. C66, 029902 (2002) Y.G.Ma, R.Wada, K.Hagel, M.Murray, J.S.Wang, L.J.Qin, A.Makeev, P.Smith, J.B.Natowitz, A.Ono Sequential Decay Distortion of Goldhaber Model Widths for Spectator Fragments NUCLEAR REACTIONS 27Al(40Ar, X), E=200 MeV/nucleon; calculated projectile-like fragments mass, momentum distributions in peripheral collisions; deduced role of light particle evaporation. Goldhaber model.
doi: 10.1103/PhysRevC.65.051602
2002NA04 Phys.Rev. C65, 034618 (2002) J.B.Natowitz, R.Wada, K.Hagel, T.Keutgen, M.Murray, A.Makeev, L.Qin, P.Smith, C.Hamilton Caloric Curves and Critical Behavior in Nuclei NUCLEAR STRUCTURE A=30-240; analyzed caloric curve data; deduced critical behavior, related features.
doi: 10.1103/PhysRevC.65.034618
2002NA22 Phys.Rev. C66, 031601 (2002) J.B.Natowitz, K.Hagel, Y.Ma, M.Murray, L.Qin, S.Shlomo, R.Wada, J.Wang Caloric Curves and Nuclear Expansion NUCLEAR STRUCTURE A=30-240; 90Zr; calculated, analyzed density vs excitation energy. Expanding Fermi gas hypothesis.
doi: 10.1103/PhysRevC.66.031601
2002NA24 Phys.Rev.Lett. 89, 212701 (2002) J.B.Natowitz, K.Hagel, Y.Ma, M.Murray, L.Qin, R.Wada, J.Wang Limiting Temperatures and the Equation of State of Nuclear Matter
doi: 10.1103/PhysRevLett.89.212701
2001CH07 Phys.Rev. C63, 024611 (2001) R.J.Charity, L.G.Sobotka, J.Cibor, K.Hagel, M.Murray, J.B.Natowitz, R.Wada, Y.El Masri, D.Fabris, G.Nebbia, G.Viesti, M.Cinausero, E.Fioretto, G.Prete, A.Wagner, H.Xu Emission of Unstable Clusters from Hot Yb Compound Nuclei NUCLEAR REACTIONS 100Mo(60Ni, X), E=11 MeV/nucleon; measured evaporation residues angular distributions, neutron spectra, isotopically resolved Z=1-6 charged particle spectra, σ(θ), multiplicities; deduced unstable fragments decay features. Statistical model calculations.
doi: 10.1103/PhysRevC.63.024611
2001ST15 Phys.Rev. C63, 064610 (2001) P.Staszel, Z.Majka, L.G.Sobotka, D.G.Sarantites, R.J.Charity, J.Cibor, K.Hagel, N.Marie, J.B.Natowitz, R.Wada, D.W.Stracener, G.Auger, Y.Schutz, J.P.Wieleczko, R.Dayras, E.Plagnol, J.Barreto, E.Norbeck Fragment Excitation Energies at Freeze-Out in 84Kr + 93Nb Collisions at 45 MeV/Nucleon NUCLEAR REACTIONS 93Nb(84Kr, X), E=45 MeV/nucleon; measured light charged particle and intermediate mass fragment multiplicity, charge, angle, and mass distributions, correlation functions; deduced primary fragment excitation energy, reaction mechanism features.
doi: 10.1103/PhysRevC.63.064610
2001VI13 Phys.Lett. 521B, 165 (2001) G.Viesti, V.Rizzi, D.Fabris, M.Lunardon, G.Nebbia, M.Cinausero, E.Fioretto, G.Prete, A.Brondi, G.La Rana, R.Moro, E.Vardaci, M.Aiche, M.M.Aleonard, G.Barreau, D.Boivin, J.N.Scheurer, J.F.Chemin, K.Hagel, J.B.Natowitz, R.Wada, S.Courtin, F.Haas, N.Rowley, B.M.Nyako, J.Gal, J.Molnar Exploring the Emission Barriers in Hot Nuclei NUCLEAR REACTIONS 170Er(30Si, 5nα), E=165 MeV; 170Er(29Si, 4nα), E=147 MeV; measured Eγ, Iγ, Eα, (charged particle)γ-coin. 200Pb deduced α-emission barrier distribution. Euroball IV, Diamant arrays, comparisons with model predictions.
doi: 10.1016/S0370-2693(01)01221-7
2000CI01 Phys.Lett. 473B, 29 (2000) J.Cibor, R.Wada, K.Hagel, M.Lunardon, N.Marie, R.Alfaro, W.Shen, B.Xiao, Y.Zhao, J.Li, B.A.Li, M.Murray, J.B.Natowitz, Z.Majka, P.Staszel Dynamic Evolution and the Caloric Curve for Medium Mass Nuclei NUCLEAR REACTIONS 116Sn(12C, X), 108Ag(22Ne, X), 100Mo(40Ar, X), 89Y(64Zn, X), E=47 MeV/nucleon; measured light, intermediate fragments velocity plots, relative yields; deduced caloric curve, related emission source features. Coalescence model analysis.
doi: 10.1016/S0370-2693(99)01457-4
2000HA45 Phys.Rev. C62, 034607 (2000) K.Hagel, R.Wada, J.Cibor, M.Lunardon, N.Marie, R.Alfaro, W.Shen, B.Xiao, Y.Zhao, Z.Majka, J.Li, P.Staszel, B.-A.Li, M.Murray, T.Keutgen, A.Bonasera, J.B.Natowitz Light Particle Probes of Expansion and Temperature Evolution: Coalescence model analyses of heavy ion Collisions at 47A MeV NUCLEAR REACTIONS 116Sn(12C, X), Ag(22Ne, X), 100Mo(40Ar, X), 89Y(64Zn, X), E=47 MeV/nucleon; measured charged particle vs neutron multiplicity, light fragment spectra, angular distributions; deduced source thermodynamic features, reaction mechanism features. Coalescence model analysis.
doi: 10.1103/PhysRevC.62.034607
2000NA21 Acta Phys.Pol. B31, 1449 (2000) J.B.Natowitz, J.Cibor, A.Bonasera, K.Hagel, R.Wada, M.Murray, T.Keutgen, M.Lunardon, N.Marie, R.Alfaro, W.Shen, Z.Majka, P.Staszel Probing Dynamic Evolution in Intermediate Energy Collisions NUCLEAR REACTIONS 116Sn(12C, X), Ag(22Ne, X), 100Mo(40Ar, X), 89Y(64Zn, X), E=47 MeV/nucleon; analyzed light particle yields, spectra; deduced parameters, source features. Coalescence model analysis.
2000WA29 Phys.Rev. C62, 034601 (2000) R.Wada, K.Hagel, J.Cibor, M.Gonin, Th.Keutgen, M.Murray, J.B.Natowitz, A.Ono, J.C.Steckmeyer, A.Kerambrun, J.C.Angelique, A.Auger, G.Bizard, R.Brou, C.Cabot, E.Crema, D.Cussol, D.Durand, Y.El Masri, P.Eudes, Z.Y.He, S.C.Jeong, C.Lebrun, J.P.Patry, A.Peghaire, J.Peter, R.Regimbart, E.Rosato, F.Saint-Laurent, B.Tamain, E.Vient, and the GANIL E-160 Collaboration Reaction Mechanisms and Multifragmentation Processes in 64Zn + 58Ni at 35A-79A MeV NUCLEAR REACTIONS 58Ni(64Zn, X), E=35, 49, 57, 69, 79 MeV/nucleon; measured fragments charge, multiplicity, angular distributions, energy, transverse momentum spectra; deduced reaction mechanism features. Comparison with antisymmetrized molecular dynamics model.
doi: 10.1103/PhysRevC.62.034601
1999FA19 Nucl.Phys. (Supplement) A654, 775c (1999) D.Fabris, M.Lunardon, G.Nebbia, G.Viesti, M.Cinausero, E.Fioretto, D.R.Napoli, G.Prete, K.Hagel, J.B.Natowitz, R.Wada, P.Gonthier, Z.Majka, R.Alfarro, Y.Zhao, N.Mdeiwayeh, T.Ho Excitation Energy Deposition in 209Bi(α, α') Reactions at 240 MeV NUCLEAR REACTIONS 209Bi(α, α'), E=240 MeV; measured (neutron)(light charged particle)(fission fragment)-coin, neutron multiplicity. 209Bi deduced GDR parameters vs excitation energy.
doi: 10.1016/S0375-9474(00)88545-0
1999KE16 Nucl.Phys. (Supplement) A654, 878c (1999) Th.Keutgen, J.Cabrera, Y.El Masri, C.Ghisalberti, I.Tilquin, L.Lebreton, A.Ninane, J.Lehmann, V.Roberfroid, L.Michel, R.Regimbart, J.B.Natowitz, K.Hagel, R.Wada, R.J.Charity Thermal and Dynamical Properties of Fusion-FIssion and Fusion-Evaporation Processes in 20Ne + 159Tb and 20Ne + 169Tm Reactions between 8 and 16 MeV/Nucleon NUCLEAR REACTIONS 159Tb, 169Tm(20Ne, X), E=8-16 MeV/nucleon; measured fisson, evaproation residue σ, neutron multiplicity; deduced reaction mechanism features.
doi: 10.1016/S0375-9474(00)88564-4
1999VI08 Nucl.Phys. A652, 17 (1999) G.Viesti, M.Lunardon, D.Fabris, G.Nebbia, M.Cinausero, E.Fioretto, D.R.Napoli, G.Prete, K.Hagel, J.B.Natowitz, R.Wada, P.Gonthier, Z.Majka, R.Alfarro, Y.Zhao, N.Mdeiwayeh, T.Ho Energy Deposition and GDR Emission in the Reaction 209Bi(α, α') at 240 MeV NUCLEAR REACTIONS 209Bi(α, xnα), E=240 MeV; measured Eα, En, neutron multiplicity; deduced target excitation energy vs projectile energy loss; calculated Eγ from GDR excitation. Statistical model.
doi: 10.1016/S0375-9474(99)00149-9
1999VI09 Nucl.Phys. A649, 165c (1999) G.Viesti, M.Lunardon, D.Fabris, G.Nebbia, M.Cinausero, E.Fioretto, D.R.Napoli, G.Prete, K.Hagel, J.B.Natowitz, R.Wada, P.Gonthier, Z.Majka, R.Alfarro, Y.Zhao, N.Mdeiwayeh, T.Ho Energy Deposition and GDR Emission in Inelastic Alpha Particle Scattering NUCLEAR REACTIONS 209Bi(α, xnα), E=240 MeV; measured Eα, En, neutron multiplicity. 209Bi deduced excitation energy distributions vs scattered Eα, GDR features.
doi: 10.1016/S0375-9474(99)00055-X
1999VI14 Pramana 53, 395 (1999) G.Viesti, M.Lunardon, D.Fabris, G.Nebbia, M.Cinausero, E.Fioretto, G.Prete, J.B.Natowitz, K.Hagel, R.Wada Experimental Investigations of the Nuclear Level Density by using Heavy Ion Reactions NUCLEAR REACTIONS 198Pt(11B, xnp), E=75 MeV; 198Pt(10B, xnp), E=60 MeV; measured Eγ, Iγ, proton spectra, pγ-coin, neutron multiplicities. 208Pb deduced level density parameters, related features. Gasp, Isis arrays.
doi: 10.1007/s12043-999-0004-0
1998FA08 Phys.Rev. C58, R624 (1998) D.Fabris, M.Lunardon, G.Nebbia, G.Viesti, M.Cinausero, E.Fioretto, D.R.Napoli, G.Prete, K.Hagel, J.B.Natowitz, R.Wada, P.Gonthier, Z.Majka, R.Alfarro, Y.Zhao, N.Mdeiwayeh, T.Ho Excitation Energy Deposition in 209Bi(α, α') Reactions at 240 MeV NUCLEAR REACTIONS 209Bi(α, α'X), E=240 MeV; measured α-spectra, neutron multiplicity; deduced target excitation vs Eα'.
doi: 10.1103/PhysRevC.58.R624
1998MA37 Phys.Rev. C58, 256 (1998) N.Marie, A.Chbihi, J.B.Natowitz, A.Le Fevre, S.Salou, J.P.Wieleczko, L.Gingras, M.Assenard, G.Auger, Ch.O.Bacri, F.Bocage, B.Borderie, R.Bougault, R.Brou, P.Buchet, J.L.Charvet, J.Cibor, J.Colin, D.Cussol, R.Dayras, A.Demeyer, D.Dore, D.Durand, P.Eudes, J.D.Frankland, E.Galichet, E.Genouin-Duhamel, E.Gerlic, M.Germain, D.Gourio, D.Guinet, K.Hagel, P.Lautesse, J.L.Laville, J.F.Lecolley, T.Lefort, R.Legrain, N.Le Neindre, O.Lopez, M.Louvel, Z.Majka, A.M.Maskay, L.Nalpas, A.D.Nguyen, M.Parlog, J.Peter, E.Plagnol, A.Rahmani, T.Reposeur, M.F.Rivet, E.Rosato, F.Saint-Laurent, J.C.Steckmeyer, M.Stern, G.Tabacaru, B.Tamain, O.Tirel, E.Vient, C.Volant, R.Wada Experimental Determination of Fragment Excitation Energies in Multifragmentation Events NUCLEAR REACTIONS Sn(129Xe, X), E=50 MeV/nucleon; measured light, intermediate fragments correlations, kinetic energy distributions, multiplicities; deduced multifragmentation mechanism features, primary fragment temperatures. Statistical model analysis.
doi: 10.1103/PhysRevC.58.256
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