NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Zarrella Found 12 matches. 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
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
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
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
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
2017RO09 Phys.Rev. C 95, 044604 (2017) A.Rodriguez Manso, A.B.McIntosh, A.Jedele, K.Hagel, L.Heilborn, Z.Kohley, L.W.May, A.Zarrella, S.J.Yennello Detailed characterization of neutron-proton equilibration in dynamically deformed nuclear systems NUCLEAR REACTIONS 70Zn(70Zn, X), 64Zn(64Zn, X), (64Ni, X), 64Ni(64Ni, X), E=35 MeV/nucleon; measured heavy fragment (HF) and light fragment (LF) using the NIMROD detector system at the K-500 cyclotron facility of Texas A and M; deduced normalized yields as functions of velocity, angular in-plane and out-of-plane distributions, average compositions as function of the decay alignment, rate constants as function of the atomic number, time dependence of neutron-proton equilibration in dynamically deformed nuclear systems. Comparison to a statistical model, and GEMINI++ simulations.
doi: 10.1103/PhysRevC.95.044604
2017YO02 Nucl.Phys. A962, 61 (2017) M.Youngs, A.B.McIntosh, K.Hagel, L.Heilborn, M.Huang, A.Jedele, Z.Kohley, L.W.May, E.McCleskey, A.Zarrella, S.J.Yennello Observation of different isoscaling behavior between emitted fragments and residues NUCLEAR REACTIONS 70Zn(70Zn, x), E=35 MeV/nucleon;76Zn(76Zn, x), E=35 MeV/nucleon; measured reaction products; deduced yield ratios vs energy of emitted particles for Z=5-12 and separately for fixed N-Z, slopes of the fit lines, isoscaling parameters for light particles and projectile-like fragments.
doi: 10.1016/j.nuclphysa.2017.03.005
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
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
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
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
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