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NSR database version of April 11, 2024.

Search: Author = R.Wada

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2023HU22      Phys.Rev. C 108, 054907 (2023)

Q.Hu, G.Y.Tian, R.Wada, X.Q.Liu, W.P.Lin, H.Zheng, Y.P.Zhang, Z.Q.Chen, R.Han, M.R.Huang

Semirelativistic antisymmetrized molecular dynamics for the production of energetic neutrons in intermediate-energy heavy-ion reactions

doi: 10.1103/PhysRevC.108.054907
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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
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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
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2023QU03      Chin.Phys.C 47, 054002 (2023)

G.Qu, Y.Huang, H.Zheng, X.Liu, R.Wada, W.Lin, M.Huang, J.Han, P.Ren, Z.Yang, X.Zhang, Q.Leng

Determining the nuclear temperature dependence on source neutron-proton asymmetry in heavy-ion reactions at intermediate energy

NUCLEAR REACTIONS 112Sn, 70Zn(64Zn, X), 112,124Sn, 58,64Ni, 197Au, 232Th(64Ni, X), E=40 MeV/nucleon; analyzed available data; deduced the dependence of nuclear temperature on emitting source neutron-proton N/Z asymmetry with light charged particles (LCPs) and intermediate mass fragments (IMFs) generated from intermediate-velocity sources in thirteen reaction systems with different N/Z asymmetries.

doi: 10.1088/1674-1137/acbd91
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2023TI02      Phys.Rev. C 107, 044602 (2023)

G.Tian, Z.Chen, R.Wada, X.Liu, W.Lin, M.Huang, H.Zheng, Q.Hu, R.Han, F.Shi, X.Zhang, B.Liu, H.Sun

Reaction dynamics and in-medium nucleon-nucleon cross section with 12C + 1H at 95 MeV/nucleon

NUCLEAR REACTIONS 1H(12C, X)1H/2H/3H/3He/4He/6Li/7Li/7Be/9Be/10Be/8B/10B/11B/10C/11C/12C, E=95 MeV/nucleon; calculated σ(θ, E), particle and cluster emission spectra, outgoing protons velocity distribution. 1H(n, n), (p, p), 1NN(n, n), E=1-155 MeV; calculated in-medium σ(E). Calculations using 3 antisymmetrized molecular dynamics (AMD) - AMD/noD, AMD/D and AMD/DCOALS. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.044602
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2022ZH09      Nucl.Instrum.Methods Phys.Res. B516, 48 (2022)

X.Zhang, Z.Chen, R.Wada, R.Han, G.Tian, B.Liu, F.Shi, H.Sun

Thick target neutron yields from Beryllium, Carbon, Tungsten, and Lead targets irradiated by 26.7 MeV/nucleon 4He ions

NUCLEAR REACTIONS 9Be, C, W, Pb(α, n), E=26.7 MeV/nucleon; measured reaction products, En, In, TOF; deduced yields. Comparison with GEANT4, PHITS, andFLUKA Monte Carlo simulations, the Radioactive Ion Beam Line (RIBLL) in Lanzhou at the Institute of Modern Physics, China.

doi: 10.1016/j.nimb.2022.01.009
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2022ZH15      Phys.Rev. C 105, 034611 (2022)

X.Zhang, X.Liu, Y.Huang, W.Lin, H.Zheng, R.Wada, A.Bonasera, Z.Chen, L.Chen, J.Han, R.Han, M.Huang, Q.Hu, Q.Leng, C.W.Ma, G.Qu, P.Ren, G.Tian, Z.Xu, Z.Yang, L.Zhang

Determining impact parameters of heavy-ion collisions at low-intermediate incident energies using deep learning with convolutional neural networks

NUCLEAR REACTIONS 124Sn(124Sn, X), E=50, 70, 100 MeV/nucleon; calculated absolute transverse and longitudinal momentum per nucleon of all possible charged particles in exit channel with constrained molecular dynamics (CoMD) model, impact parameter values by convolutional neural network (CNN). Events generated by CoMD are used as input for CNN training. Comparison to impact parameter values obtained using the conventional methods with the impact-parameter sensitive observables.

doi: 10.1103/PhysRevC.105.034611
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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
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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
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2021LI31      J.Phys.(London) G48, 085103 (2021)

W.Lin, P.Ren, X.Liu, H.Zheng, M.Huang, G.Qu, R.Wada

Investigation of the nuclear liquid-gas phase transition in the static AMD

NUCLEAR STRUCTURE 100Sn, 36Ar; calculated calorimetric curves, light particle multiplicities, nuclear liquid-gas phase transitions in the framework of static antisymmetrized molecular dynamics (static AMD) model under either a constant volume or a constant pressure.

doi: 10.1088/1361-6471/abe563
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2021QU02      Phys.Rev. C 103, 044607 (2021)

G.Qu, Y.Huang, D.Peng, Z.Xu, W.Lin, H.Zheng, G.Tian, R.Han, C.Ma, M.Huang, P.Ren, J.Han, Z.Yang, X.Liu, R.Wada

Abnormal flow of α-particles in heavy-ion collisions at intermediate energies

NUCLEAR REACTIONS 12C(12C, X), E=50 MeV/nucleon; calculated differential σ(θ, E(α)), average in-plane momentum per nucleon as a function of the scaled rapidity, flow as a function of atomic number (Z=1-6), time evolution of flow for Z=1-6 fragments. 40Ca(40Ca, X), E=35 MeV/nucleon; Ni(Ar, X), (Ni, X), E=32-95 MeV/nucleon; calculated flow for proton, α, Z=3-5 and Z≥6 fragments as function of incident energy. Improved antisymmetrized molecular dynamics model with Fermi motion (AMD-FM) and the statistical decay code Gemini in the nucleon-nucleon collision process. Comparison with experimental data from GANIL and Texas A and M facilities. Investigated experimentally observed abnormal α transverse flow behavior in heavy-ion collisions at intermediate energies.

doi: 10.1103/PhysRevC.103.044607
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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
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2020HA35      Phys.Rev. C 102, 064617 (2020)

R.Han, Z.Chen, R.Wada, A.Ono, G.Tian, F.Shi, X.Zhang, B.Liu, H.Sun

Effects of cluster correlations on fragment emission in 12C + 12C at 50 MeV/nucleon

NUCLEAR REACTIONS 12C(12C, X)1H/2H/3H/3He/4He/6Li/7Li/7Be/9Be/10Be/8B/10B/11B/10C/11C/12C, E=50 MeV/nucleon; calculated differential σ(θ), energy spectra, excitation energy distributions of intermediate mass fragments (IMFs). Antisymmetrized molecular dynamics (AMD) models: AMD/D, AMD/DCOALS, and AMD-cluster with/without the cluster correlations. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.064617
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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
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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
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2020MA01      Chin.Phys.C 44, 014104 (2020)

C.-W.Ma, D.Peng, H.-L.Wei, Z.-M.Niu, Y.-T.Wang, R.Wada

Isotopic cross-sections in proton induced spallation reactions based on the Bayesian neural network method

NUCLEAR REACTIONS 36,40Ar, 40Ca, 56Fe, 136Xe, 197Au, 208Pb, 238U(p, X), E=200-1500 MeV/nucleon; analyzed available data; deduced σ using the Bayesian neural network (BNN) method.

doi: 10.1088/1674-1137/44/1/014104
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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
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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
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2019LI25      Phys.Rev. C 99, 054616 (2019)

W.Lin, P.Ren, H.Zheng, X.Liu, M.Huang, K.Yang, G.Qu, R.Wada

Solidarity of signal of measures for the liquid-gas phase transition in the statistical multifragmentation model

NUCLEAR STRUCTURE 40Ar, 100Rh, 200Th; 100Zr, 100Rh, 100Sn; calculated caloric curve, multiplicity derivative, moment parameters, fluctuation of maximum fragment charge number, the Fisher exponent, Zipf's law parameter, and charge distributions of fragmenting sources at energy of 1-15 MeV/nucleon and temperature T=3-10 MeV. 36Ar, 100Sn; calculated caloric curves at an energy of 2-25 MeV/nucleon. Nuclear liquid-gas phase transition and the mechanism of phase transition treated in the framework of the statistical multifragmentation model (SMM).

doi: 10.1103/PhysRevC.99.054616
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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
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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
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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
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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
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2018LI03      Phys.Rev. C 97, 014613 (2018)

X.Liu, H.Zheng, W.Lin, M.Huang, Y.Y.Yang, J.S.Wang, R.Wada, A.Bonasera, J.B.Natowitz

Reexamination of a novel determination of density, temperature, and symmetry energy based on a modified Fisher model

NUCLEAR REACTIONS 1H(Xe, X), at p=80-350 GeV/c; calculated isotopic yields using the modified Fisher model (MFM) formulation of the Purdue group; deduced density, temperature, and symmetry energy parameters. 40Ca(40Ca, X), E=35-300 MeV/nucleon; calculated density and temperature using the self-consistent method with the original MFM.

doi: 10.1103/PhysRevC.97.014613
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2018LI21      Phys.Rev. C 97, 044603 (2018)

W.Lin, H.Zheng, P.Ren, X.Liu, M.Huang, R.Wada, Z.Chen, J.Wang, G.Q.Xiao, G.Qu

Statistical analysis of experimental multifragmentation events in 64Zn+112Sn at 40 MeV/nucleon

NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; calculated average and quasi temperatures with and without the symmetry entropy, and symmetry energy coefficients as function of fragment mass, Coulomb energy coefficients, mass and isotopic distributions, and yield ratio of isobars for intermediate mass fragments (IMF) by isobaric yield ratio (IYR) method. Statistical multifragmentation model (SMM) for observed multifragmentation events intermediate heavy-ion reactions. Comparison with antisymmetrized molecular dynamics model (AMD) calculations, and with experimental data.

doi: 10.1103/PhysRevC.97.044603
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2018LI26      Phys.Rev. C 97, 054615 (2018)

W.Lin, P.Ren, H.Zheng, X.Liu, M.Huang, R.Wada, G.Qu

Sensitivity study of experimental measures for the nuclear liquid-gas phase transition in the statistical multifragmentation model

doi: 10.1103/PhysRevC.97.054615
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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
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2018QU04      Chin.Phys.C 42, 074001 (2018)

W.-W.Qu, G.-L.Zhang, G.-Y.Tian, Z.-Q.Chen, S.-P.Xu, R.Wada

Angular distribution measurement for 12C fragmentation via 12C + 12C scattering at 100 MeV/u

NUCLEAR REACTIONS 12C(12C, X)9Be/10B/11B, E=100 MeV/nucleon; measured reaction products; deduced σ(θ). Comparison with theoretical calculations.

doi: 10.1088/1674-1137/42/7/074001
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2018TI03      Phys.Rev. C 97, 034610 (2018)

G.Tian, Z.Chen, R.Han, F.Shi, F.Luo, Q.Sun, L.Song, X.Zhang, G.Q.Xiao, R.Wada, A.Ono

Cluster correlation and fragment emission in 12C + 12C at 95 MeV/nucleon

NUCLEAR REACTIONS 12C(12C, X), E=95 MeV/nucleon; calculated angular distributions, energy spectra and double-differential cross sections for p, d, t, 3,4He, 6,7Li, 7,9,10Be, 8,10,11B, and 10,11,12C, angle-integrated cross sections using antisymmetrized molecular dynamics (AMD) model, combined with GEMINI to calculate the decay of primary fragments. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.034610
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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
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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
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2017QU02      Phys.Rev. C 95, 044616 (2017)

W.W.Qu, G.L.Zhang, S.Terashima, T.Furumoto, Y.Ayyad, Z.Q.Chen, C.L.Guo, A.Inoue, X.Y.Le, H.J.Ong, D.Y.Pang, H.Sakaguchi, Y.Sakuragi, B.H.Sun, A.Tamii, I.Tanihata, T.F.Wang, R.Wada, Y.Yamamoto

Repulsive three-body force and channel-coupling effects via 12C+12C scattering at 100A MeV

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=100 MeV/nucleon; measured scattered 12C using Grand Raiden high-resolution magnetic spectrometer, and 10B, 11C and other particles by the energy loss and time-of-flight (TOF) information, differential cross sections for the ground state, 4.44 MeV, 2+ state, and the sum of the 7.65 MeV, 0+ and the 9.64 MeV, 3- states in 12C using the Ring Cyclotron facility at RCNP-Osaka. Comparison with microscopic coupled-channel calculations, using the double folding method with three different complex G-matrix interactions, the ESC, CEG07b, and MPa.

doi: 10.1103/PhysRevC.95.044616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2546.


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
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2017TI03      Phys.Rev. C 95, 044613 (2017)

G.Tian, R.Wada, Z.Chen, R.Han, W.Lin, X.Liu, P.Ren, F.Shi, F.Luo, Q.Sun, L.Song, G.Q.Xiao

Nuclear stopping and light charged particle emission in 12C + 12C at 95 MeV/nucleon

NUCLEAR REACTIONS 12C(12C, X)1H/2H/3H/3He/4He/6Li/7Li/7Be/9Be/10Be/8B/10B/11B/10C/11C/12C, E=95 MeV/nucleon; analyzed angular distributions and energy spectra of all the ejectiles from 12C+12C reaction using antisymmetrized molecular dynamics (AMD), a modified version of AMD (AMD-FM), and constrained molecular dynamics (CoMD). Detailed comparison with experimental data.

doi: 10.1103/PhysRevC.95.044613
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2017WA31      Phys.Rev. C 96, 031601 (2017)

R.Wada

Three-nucleon interaction in heavy-ion collisions at intermediate energies

NUCLEAR REACTIONS 51V(40Ar, X), E=44, 100, 200, 300, 400 MeV/nucleon; 40Ca(40Ar, X), E=42, 92, 137 MeV/nucleon; analyzed experimental proton energy spectra from Bevalac and GANIL to investigate the effect of a three-nucleon (3N) interaction using antisymmetrized molecular dynamics (AMD) transport model; deduced possible relation between the 3N collision term and the short range and the tensor interactions.

doi: 10.1103/PhysRevC.96.031601
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2017ZH10      J.Phys.(London) G44, 035101 (2017)

S.Zhang, M.Huang, R.Wada, X.Liu, W.Lin, J.Wang

Shape analysis applied in heavy ion reactions near Fermi energy

NUCLEAR REACTIONS 112Sn(64Zn, X), E=40 MeV/nucleon; calculated sphericity (S) and the coplanarity (C) for intermediate-energy mass fragments.

doi: 10.1088/1361-6471/44/3/aa57d7
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2017ZH22      Chin.Phys.C 41, 044001 (2017)

S.Y.L.Y.Zhang, M.-R.Huang, R.Wada, X-Q.Liu, W.-P.Lin, J.-S.Wang

Symmetry energy and experimentally observed cold fragments in intermediate heavy-ion collisions

NUCLEAR REACTIONS 9Be(64Ni, X), E=140 MeV/nucleon; analyzed available data; deduced excitation energy of the reconstructed primary isotopes as a function of isotope mass, the symmetry energy at the time of primary fragment formation. The isobaric yield ratio method.

doi: 10.1088/1674-1137/41/4/044001
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2016LI52      Phys.Rev. C 94, 064609 (2016)

W.Lin, X.Liu, R.Wada, M.Huang, P.Ren, G.Tian, F.Luo, Q.Sun, Z.Chen, G.Q.Xiao, R.Han, F.Shi, J.Liu, B.Gou

High-energy proton emission and Fermi motion in intermediate-energy heavy-ion collisions

NUCLEAR REACTIONS 51V(40Ar, X), E=44 MeV/nucleon; 181Ta(36Ar, X), E=94 MeV/nucleon; calculated high energy proton spectra, differential σ(θ, Ep), angular distribution of protons in intermediate-energy heavy-ion collisions. Antisymmetrized molecular dynamics model (AMD-FM) with explicit treatment of Fermi motion. Comparison with experimental data.

doi: 10.1103/PhysRevC.94.064609
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2016TR10      Phys.Rev. C 94, 064604 (2016)

D.T.Tran, H.J.Ong, T.T.Nguyen, I.Tanihata, N.Aoi, Y.Ayyad, P.Y.Chan, M.Fukuda, T.Hashimoto, T.H.Hoang, E.Ideguchi, A.Inoue, T.Kawabata, L.H.Khiem, W.P.Lin, K.Matsuta, M.Mihara, S.Momota, D.Nagae, N.D.Nguyen, D.Nishimura, A.Ozawa, P.P.Ren, H.Sakaguchi, J.Tanaka, M.Takechi, S.Terashima, R.Wada, T.Yamamoto, for the RCNP-E372 Collaboration

Charge-changing cross-section measurements of 12-16C at around 45 A MeV and development of a Glauber model for incident energies 10 A-2100 A MeV

NUCLEAR REACTIONS 12C(12C, X), (13C, X), (14C, X), (15C, X), (16C, X), E=45 MeV/nucleon, [secondary carbon beams from 9Be(22Ne, X), E=80 MeV/nucleon primary reaction and EN fragment separator at RCNP-Osaka]; measured outgoing particles using multisampling ionization chamber (MUSIC); deduced charge-changing σ(CC) by transmission method, proton rms radii, reaction σ; developed finite-range Glauber model with a global parameter set within the optical-limit approximation; compiled and analyzed reaction σ(E) experimental data for E(12C)=30-100 MeV/nucleon. Comparison of experimental reaction σ for reactions of 12C on 9Be and 27Al targets with present Glauber model analysis.

doi: 10.1103/PhysRevC.94.064604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2526.


2015HA09      Nucl.Phys. A936, 17 (2015)

R.Han, R.Wada, Z.Chen, Y.Nie, X.Liu, S.Zhang, P.Ren, B.Jia, G.Tian, F.Luo, W.Lin, J.Liu, F.Shi, M.Huang, X.Ruan, J.Ren, Z.Zhou, H.Huang, J.Bao, K.Zhang, B.Hu

Fast neutron scattering on Gallium target at 14.8 MeV

NUCLEAR REACTIONS 69,71Ga(n, n), (n, n'), E≈14.8 MeV; measured En, In(θ); deduced σ, σ(θ). 69,71Ga(n, n), (n, n'), (n, 2n), (n, np), (n, nα), E=0-15 MeV; calculated σ, σ(θ), using TALYS and MCNP. Compared with experimental data and databases.

doi: 10.1016/j.nuclphysa.2015.01.004
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset32742.


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
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2015LI29      Phys.Rev. C 92, 014623 (2015)

X.Liu, W.Lin, M.Huang, R.Wada, J.Wang, Z.Chen, Q.Wang, P.Ren, Y.Yang, S.Jin, P.Ma, J.Ma, Z.Bai, Q.Hu

Freezeout concept and dynamical transport model in intermediate-energy heavy-ion reactions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=35, 50, 80, 100, 140, 300 MeV/nucleon; calculated density and temperature of intermediate mass fragments (IMFs), ratio of free energy to T0 for N=Z isotopes using a self-consistent method with the modified Fisher (antisymmetrized molecular dynamics) model and Gogny interaction for three different density dependencies of the symmetry energy. Discussed direct connection between the freezeout concept and transport model simulations.

doi: 10.1103/PhysRevC.92.014623
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2015QU02      Phys.Lett. B 751, 1 (2015)

W.W.Qu, G.L.Zhang, S.Terashima, T.Furumoto, Y.Ayyad, Z.Q.Chen, C.L.Guo, A.Inoue, X.Y.Le, H.J.Ong, D.Y.Pang, H.Sakaguchi, Y.Sakuragi, B.H.Sun, A.Tamii, I.Tanihata, T.F.Wang, R.Wada, Y.Yamamoto

Effects of repulsive three-body force in 12C + 12C scattering at 100A MeV

NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=100 MeV/nucleon; measured reaction products; deduced σ(θ). Three double-folding models with complex G-matrix interactions, the CEG07b, MPa, and ESC model calculations.

doi: 10.1016/j.physletb.2015.10.008
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2494.


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
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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
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2014LI34      Phys.Rev. C 90, 014605 (2014)

X.Liu, W.Lin, R.Wada, M.Huang, Z.Chen, G.Q.Xiao, S.Zhang, X.Jin, R.Han, J.Liu, F.Shi, H.Zheng, J.B.Natowitz, A.Bonasera

Primary isotope yields and characteristic properties of the fragmenting source in heavy-ion reactions near the Fermi energy

NUCLEAR REACTIONS 40Ca(40Ca, X), E=35 MeV/nucleon; calculated ratio of free energy to T0 for N=Z isotopes from antisymmetrized molecular dynamics (AMD) simulation, ratio of symmetry energy coefficient relative to temperature (asym/T), T0 values as a function of Z, temperature versus mass number, radial flow energy vs available energy. Modified Fisher model (MFM) applied to central collisions of AMD events. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.014605
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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
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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
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2014YA15      Phys.Rev. C 90, 014606 (2014), Erratum Phys.Rev. C 106, 015802 (2022)

Y.Y.Yang, J.S.Wang, Q.Wang, D.Y.Pang, J.B.Ma, M.R.Huang, P.Ma, S.L.Jin, J.L.Han, Z.Bai, L.Jin, J.B.Chen, Q.Hu, R.Wada, S.Mukherjee, Z.Y.Sun, R.F.Chen, X.Y.Zhang, Z.G.Hu, X.H.Yuan, S.W.Xu, S.Z.Chen, X.G.Lei, L.X.Liu, W.H.Ma, S.T.Wang, D.Yan, X.H.Zhang, M.H.Zhao, Y.Zhou, Y.J.Zhou, Z.Y.Guo, Y.H.Zhang, H.S.Xu, G.Q.Xiao

Quasi-elastic scattering of 10, 11C and 10B from a natPb target

NUCLEAR REACTIONS Pb(10C, 10C), (10C, 10C'), E=226, 256 MeV; Pb(11C, 11C), (11C, 11C'), E=222, 226 MeV; Pb(10B, 10B), (10B, 10B'), E=173 MeV; measured particle spectra, time-of-flight, differential σ(θ, E) at HIRFL-RIBLL facility; deduced reduced total reactions σ, negligible contributions from inelastic scattering from Coupled-channel calculations. Optical model analysis.

doi: 10.1103/PhysRevC.90.014606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0203.


2014ZH12      Phys.Rev. C 89, 037001 (2014)

M.H.Zhao, F.Fu, M.Huang, R.Wada, W.Lin, X.Liu, J.S.Wang, Y.Li, Y.Y.Yang, S.L.Jin, J.B.Ma, P.Ma, Q.Wang, Z.Chen

Investigation of equation of state and in-medium NN cross sections through nuclear stopping

NUCLEAR REACTIONS 129Xe(120Sn, X), E=10-100 MeV/nucleon; calculated nuclear stopping through various equations of state (EOS), and in-medium NN cross sections. Antisymmetrized molecular dynamics model (AMD). Comparison with experimental INDRA data.

doi: 10.1103/PhysRevC.89.037001
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2013HA40      Chin.Phys.Lett. 30, 122501 (2013)

R.Han, Z.-Q.Chen, R.wada, S.Y.L.T.Zhang, X.-Q.Liu, W.-P.Lin, Z.-X.Jin, B.-T.Hu

Effects of In-Medium Nucleon-Nucleon Cross Section and Nuclear Density Distribution on the Proton-Nucleus Total Reaction Cross Section

NUCLEAR REACTIONS 9Be, 12C, 16O, 27Al, 28Si, 40Ca, 112,116,120,124Sn, 208Pb(p, X), E<1000 MeV; calculated σ. Glauber model calculations, comparison with available data.

doi: 10.1088/0256-307X/30/12/122501
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2013MA56      Phys.Rev. C 88, 014609 (2013)

C.-W.Ma, X.-L.Zhao, J.Pu, S.-S.Wang, C.-Y.Qiao, X.Feng, R.Wada, Y.-G.Ma

Temperature determined by isobaric yield ratios in a grand-canonical ensemble theory

doi: 10.1103/PhysRevC.88.014609
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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
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2013YA06      Phys.Rev. C 87, 044613 (2013), Pub.Note Phys.Rev. C 88, 019901 (2013)

Y.Y.Yang, J.S.Wang, Q.Wang, D.Y.Pang, J.B.Ma, M.R.Huang, J.L.Han, P.Ma, S.L.Jin, Z.Bai, Q.Hu, L.Jin, J.B.Chen, N.Keeley, R.Rusek, R.Wada, S.Mukherjee, Z.Y.Sun, R.F.Chen, X.Y.Zhang, Z.G.Hu, X.H.Yuan, X.G.Cao, Z.G.Xu, S.W.Xu, C.Zhen, Z.Q.Chen, Z.Chen, S.Z.Chen, C.M.Du, L.M.Duan, F.Fu, B.X.Gou, J.Hu, J.J.He, X.G.Lei, S.L.Li, Y.Li, Q.Y.Lin, L.X.Liu, F.D.Shi, S.W.Tang, G.Xu, X.Xu, L.Y.Zhang, X.H.Zhang, W.Zhang, M.H.Zhao, Z.Y.Guo, Y.H.Zhang, H.S.Xu, G.Q.Xiao

Elastic scattering of the proton drip-line nucleus 8B off a natPb target at 170.3 MeV

NUCLEAR REACTIONS Pb(8B, 8B), E=170.3 MeV, [secondary 8B beam from 9Be(12C, X), E=54.2 MeV/nucleon primary reaction]; measured reaction products, energy loss, time of flight, magnetic rigidity, σ(θ) at RIBLL-HRIFL facility in Lanzhou. Analysis of σ(θ) data by optical model using a single-folding-type potential, and by continuum discretized coupled-channels (CDCC) method. Effect of breakup-channel couplings. Comparison with previous experimental σ(θ) data for Pb(7Be, 7Be), E=125 MeV, and 208Pb(6Li, 6Li), E=99 MeV.

doi: 10.1103/PhysRevC.87.044613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0085.


2013YA24      Nucl.Instrum.Methods Phys.Res. A 701, 1 (2013)

Y.Y.Yang, J.S.Wang, Q.Wang, J.B.Ma, M.R.Huang, J.L.Han, P.Ma, S.L.Jin, Z.Bai, Q.Hu, L.Jin, J.B.Chen, R.Wada, Z.Y.Sun, R.F.Chen, X.Y.Zhang, Z.G.Hu, X.H.Yuan, X.G.Cao, Z.G.Xu, S.W.Xu, C.Zhen, Z.Q.Chen, Z.Chen, S.Z.Chen, C.M.Du, L.M.Duan, F.Fu, B.X.Gou, J.Hu, J.J.He, X.G.Lei, S.L.Li, Y.Li, Q.Y.Lin, L.X.Liu, F.D.Shi, S.W.Tang, G.Xu, X.Xu, L.Y.Zhang, X.H.Zhang, W.Zhang, M.H.Zhao, Y.H.Zhang, H.S.Xu

A method for the measurement of elastic scattering angular distribution at HIRFL-RIBLL

NUCLEAR REACTIONS Pb(7Be, 7Be), E=125.3 MeV; measured products, Pb; deduced σ(θ). Data were imported from EXFOR entry S0076.

doi: 10.1016/j.nima.2012.10.088
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetS0076.


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
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2012LE15      Phys.Rev. C 86, 057602 (2012)

J.Lei, J.S.Wang, S.Mukherjee, Q.Wang, R.Wada, Y.Y.Yang, J.B.Chen, J.L.Hang, M.R.Huang, Z.Bai, P.Ma, S.L.Jin, J.B.Ma, Y.Li, M.H.Zhao

Quarter-point angle for light, weakly bound projectiles

NUCLEAR REACTIONS 208Pb(6He, 6He), E(cm)=19-40 MeV; 208Pb(7Li, 7Li), E(cm)=30-44 MeV; 208Pb(12C, 12C), E(cm)=60-200 MeV; 64Zn, 90Zr, 112,116Sn(6Li, 6Li), 58Ni(8B, 8B), 116Sn(7Li, 7Li), 209Bi(9Be, 9Be)181Ta, 208Pb(16O, 16O), E not given; calculated values of quarter-point angles; analyzed threshold anomaly. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.057602
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2012LE16      Phys.Rev. C 86, 057603 (2012)

J.Lei, J.S.Wang, S.Mukherjee, Q.Wang, R.Wada

Phenomenological formula of total reaction cross sections for low-energy systems

NUCLEAR REACTIONS 11B(12C, X), E=344.5 MeV; 12C(12C, X), E=180 MeV; 12C(12C, X), E=300 MeV; 12C(12C, X), E=360 MeV; 12C(16O, X), E=62 MeV; 16O(16O, X), E=75 MeV; 28Si(12C, X), E=65 MeV; 40Ca(12C, X), E=180 MeV; 28Si(13C, X), E=60 MeV; 28Si(16O, X), E=75 MeV; 58Ni(12C, X), E=344.5 MeV; 197Au(12C, X), E=344.5 MeV; 90Zr(12C, X), E=120 MeV; 58Ni(16O, X), E=40 MeV; 60Ni(16O, X), E=56 MeV; 62Ni(16O, X), E=70 MeV; 64Ni(16O, X), E=70 MeV; 208Pb(12C, X), E=96 MeV; 208Pb(16O, X), E=129.5 MeV; 27Al(6He, X), E=12 MeV; 58Ni(6He, X), E=9 MeV; 65Cu(6He, X), E=22.6 MeV; 27Al(6Li, X), E=10 MeV; 27Al(7Li, X), E=18 MeV; 27Al(9Be, X), E=32 MeV; 58Ni(6Li, X), E=14 MeV; 59Co(6Li, X), E=29.6 MeV; 64Zn(6Li, X), E=22 MeV; 58Ni(7Be, X), E=21.4 MeV; 64Zn(7Li, X), E=20 MeV; 120Sn(6He, X), E=17.4 MeV; 112Sn(6Li, X), E=25 MeV; 116Sn(6Li, X), E=26 MeV; 208Pb(6Li, X), E=35 MeV; 209Bi(6Li, X), E=36.9 MeV; 58Ni(8B, X), E=25.3 MeV; 197Au(6He, X), E=27 MeV; 208Pb(6He, X), E=27 MeV; analyzed total reaction cross sections. Presented phenomenological formula of total reaction cross sections. Wong formula.

doi: 10.1103/PhysRevC.86.057603
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2012MA52      Phys.Rev. C 86, 054611 (2012)

C.W.Ma, J.Pu, Y.G.Ma, R.Wada, S.S.Wang

Temperature determined by isobaric yield ratios in heavy-ion collisions

NUCLEAR REACTIONS 9Be(64Ni, X), E=140 MeV/nucleon; 208Pb(136Xe, X), E=1 GeV/nucleon; analyzed σ, temperature (T) of fragments, and ratio of difference between the chemical potential of neutron and proton and temperature in heavy ion collisions using isobaric yield ratio (IYR) method. Modified statistical abrasion-ablation (SAA) model.

doi: 10.1103/PhysRevC.86.054611
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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
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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
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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
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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
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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
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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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1798.


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
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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
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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
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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
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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
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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
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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
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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
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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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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
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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
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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
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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
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2006TS05      Eur.Phys.J. A 30, 129 (2006); Erratum Eur.Phys.J. A 32, 243 (2007)

M.B.Tsang, R.Bougault, R.Charity, D.Durand, W.A.Friedman, F.Gulminelli, A.Le Fevre, Al.H.Raduta, Ad.R.Raduta, S.Souza, W.Trautmann, R.Wada

Comparisons of statistical multifragmentation and evaporation models for heavy-ion collisions

doi: 10.1140/epja/i2006-10111-0
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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
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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
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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
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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
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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
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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
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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
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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
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2004WA13      Phys.Rev. C 69, 044610 (2004)

R.Wada, and the NIMROD Collaboration

Reaction dynamics and multifragmentation in Fermi energy heavy ion reactions

NUCLEAR REACTIONS 58Ni, 92Mo, 197Au(64Zn, X), E=26, 35, 47 MeV/nucleon; measured light charged particle spectra, multiplicities, fragment charge distributions; deduced reaction mechanism features. Antisymmetrized molecular dynamics model calculations.

doi: 10.1103/PhysRevC.69.044610
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2227.


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
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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
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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
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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
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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
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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
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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
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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
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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
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