NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = G.Qu Found 12 matches. 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
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
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
2021LE16 Ann.Nucl.Energy 164, 108604 (2021) M.Lei, W.Zeng, Q.Chen, G.Qu, Z.Li, B.Liu, Y.Deng, C.He, J.Wang Measurement of HFETR reactor power by improved 16N gamma spectrum analysis method NUCLEAR REACTIONS 16O(n, p)16N, E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies. High Flux Engineering Test Reactor (HFETR).
doi: 10.1016/j.anucene.2021.108604
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
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
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
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
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
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
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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