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Search: Author = R.T.De Souza

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2024HU01      Phys.Rev. C 109, L011601 (2024)

S.Hudan, H.Desilets, R.Kumar, R.T.deSouza, C.Ciampi, A.Chbihi, K.W.Brown

Influence of additional neutrons on the fusion cross section beyond the N=8 shell

doi: 10.1103/PhysRevC.109.L011601
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2023HU12      Phys.Rev. C 107, 064612 (2023)

S.Hudan, J.E.Johnstone, R.Kumar, R.T.deSouza, J.Allen, D.W.Bardayan, D.Blankstein, C.Boomershine, S.Carmichael, A.Clark, S.Coil, S.L.Henderson, P.D.O'Malley, W.W.von Seeger

Quantifying resonance behavior in the fusion of 17O with 12C at above-barrier energies

NUCLEAR REACTIONS 12C(17O, X)29Si, E=47, 47.5, 48, 55 MeV; measured reaction products, evaporation residues, charged particles; deduced fusion excitation functions, fusion σ(E). Comparison to other experimental data including fusion data on 17F+12C system. Systematics of the fusion σ for 16,17,18,19+12C systems. Gas filled (CH4) active target MuSIC@Indiana at the University of Notre Dame Nuclear Science Laboratory.

doi: 10.1103/PhysRevC.107.064612
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2022JO04      Phys.Rev. C 106, L011603 (2022)

J.E.Johnstone, V.Singh, R.Giri, S.Hudan, J.Vadas, R.T.deSouza, D.Ackermann, A.Chbihi, Q.Hourdille, A.Abbott, C.Balhoff, A.Hannaman, A.B.McIntosh, M.Sorensen, Z.Tobin, A.Wakhle, S.J.Yennello, M.A.Famiano, K.W.Brown, C.Santamaria, J.Lubian, H.O.Soler, B.V.Carlson

Proton and neutron exchange as a prelude to fusion at near-barrier energies

NUCLEAR REACTIONS 39,41,45,47K(28Si, X), 36,44Ar(28Si, X), E(cm)=34-46 MeV; measured reaction products, evaporation residues; deduced fusion excitation functions, fusion σ(E), potential energy surfaces for binary fragments. Comparison to Dirac-Hartree-Bogoliubov (DHB) calculations for the ground state densities used in Sao Paulo fusion model. Radioactive beams of K and Ar ions were produced by the coupled cyclotron facility at MSU-NSCL and thermalized in a linear gas stopper before being reaccelerated by the ReA3 linac.

doi: 10.1103/PhysRevC.106.L011603
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2021DE06      Phys.Lett. B 814, 136115 (2021)

R.T.deSouza, V.Singh, S.Hudan, Z.Lin, C.J.Horowitz

Effect of increasing neutron-excess on the fusion cross-section in 12-15C + 12C at above-barrier energies

NUCLEAR REACTIONS 12C(12C, X), (13C, X), (14C, X), (15C, X), E(cm)<20 MeV; analyzed available data; deduced fusion σ using the FSUGOLD and NL3 interactions, TDHF model with a SLy4d interaction; deduced the stronger dependence on neutron-excess attributable to dynamics.

doi: 10.1016/j.physletb.2021.136115
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2021SI18      Phys.Rev. C 103, 064606 (2021)

V.Singh, J.Vadas, T.K.Steinbach, B.B.Wiggins, S.Hudan, R.T.deSouza

Assessing the impact of valence sd neutrons and protons on fusion

NUCLEAR REACTIONS 12C(16O, X), E(cm)=16.0, 14.3, 13.1, 12.0, 11.0, 10.1, 8.9, 8.3 MeV; 12C(17F, X), E(cm)=18.82, 17.03, 15.71, 14.53, 13.53, 12.55, 11.26, 10.65 MeV, [17F beam from 2H(16O, n), E≈4.5 MeV/nucleon from John D. Fox accelerator laboratory of Florida State University, followed by separation of fragments using RESOLUT magnetic spectrometer]; measured reaction products, identification and ΔE-TOF spectra of evaporation residues using two microchannel plate detectors together with compact ionization chamber (CID), fusion σ(E). 12C(16O, X), (18O, X), E(cm)=8-27 MeV; 12C(17F, X), (19F, X), (20Ne, X), E(cm)=10-30 MeV; 12C(19F, X), E(cm)=11-22 MeV; 12C(17O, X), E(cm)-VB=0-15.5 MeV; analyzed fusion σ(E) data from present and previous experiments, and compared with predictions of analytic fusion model, one-dimensional barrier-penetration model, time-dependent Hartree Fock (TDHF) model and Coupled-channels calculations using CCFULL code. Relevance to future high-quality measurements of fusion for neutron-rich light nuclei with new generation of radioactive ion-beam facilities.

doi: 10.1103/PhysRevC.103.064606
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2021SI29      Phys.Rev. C 104, L041601 (2021)

V.Singh, J.E.Johnstone, R.Giri, S.Hudan, J.Vadas, R.T.deSouza, D.Ackermann, A.Chbihi, Q.Hourdille, A.Abbott, C.Balhoff, A.Hannaman, A.B.McIntosh, M.Sorensen, Z.Tobin, A.Wakhle, S.J.Yennello, M.A.Famiano, K.W.Brown, C.Santamaria, J.Lubian, H.O.Soler, B.V.Carlson

Impact of shell structure on the fusion of neutron-rich mid-mass nuclei

NUCLEAR REACTIONS 16O(39K, X), (41K, X), (45K, X), (47K, X), (36Ar, X), (44Ar, X), E(cm)=23-33 MeV, [secondary radioactive 45,47K, 44Ar beams from 9Be(48Ca, X), E=140 MeV/nucleon, followed by separation of ions using A1900 at NSCL-MSU facility]; measured reaction products, fusion σ(E); deduced reduced fusion excitation functions; investigated influence of shell effects on fusion of mid-mass nuclei. Comparison of experimental fusion cross sections with Sao Paulo model using Dirac-Hartree-Bogoliubov (DHB) densities, and densities from systematics; deduced over prediction of fusion experimental σ for closed-shell nuclei using DHB densities. 39,41,45,47K, 36,44Ar; predicted DHB density distributions of protons and neutrons. Relevance to importance of understanding shell effects at the saddle point for accurate description of fusion process.

doi: 10.1103/PhysRevC.104.L041601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2698.


2020HU08      Phys.Rev. C 101, 061601 (2020)

S.Hudan, R.T.deSouza, A.S.Umar, Z.Lin, C.J.Horowitz

Enhanced dynamics in fusion of neutron-rich oxygen nuclei at above-barrier energies

NUCLEAR REACTIONS 12C(16O, X), (17O, X), (18O, X), (19O, X), E(cm)=7-20 MeV; calculated above-barrier fusion σ(E) using static and dynamical microscopic model. Comparison with experimental data, and with CCFULL, TDHF and FHF calculations.

doi: 10.1103/PhysRevC.101.061601
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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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Data from this article have been entered in the XUNDL database. For more information, click here.


2018VA03      Phys.Rev. C 97, 031601 (2018)

J.Vadas, V.Singh, B.B.Wiggins, J.Huston, S.Hudan, R.T.deSouza, Z.Lin, C.J.Horowitz, A.Chbihi, D.Ackermann, M.Famiano, K.W.Brown

Probing the fusion of neutron-rich nuclei with re-accelerated radioactive beams

NUCLEAR REACTIONS 28Si(39K, X), (47K, X), E=2-3 MeV/nucleon, [ions of 39K from a source, and 47K from a thermalized radioactive beam charge bred in an ion trap, injected into the ReA3 linac at NSCL-MSU facility]; measured reaction products, particles by ΔE-TOF, fusion σ(E); deduced impact of additional neutrons on fusion. Comparison with Wong parametrization, and with different models including coupled-channel calculations using CCFULL code.

doi: 10.1103/PhysRevC.97.031601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2290.


2017FA10      Phys.Rev. C 96, 045804 (2017)

X.Fang, W.P.Tan, M.Beard, R.J.deBoer, G.Gilardy, H.Jung, Q.Liu, S.Lyons, D.Robertson, K.Setoodehnia, C.Seymour, E.Stech, B.Vande Kolk, M.Wiescher, R.T.deSouza, S.Hudan, V.Singh, X.D.Tang, E.Uberseder

Experimental measurement of 12C + 16O fusion at stellar energies

NUCLEAR REACTIONS 12C(16O, p), (16O, n), (16O, α), E=8.5-11.7 MeV in steps of 100 or 200 keV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles, partial and total fusion σ(E) at the (ANA) accelerator laboratory (NSL) of University of Notre Dame; deduced S factors, astrophysical reaction rates, uncertainty range of the reaction rate within the temperature range of late stellar burning environments. Results analyzed using Statistical model calculations with SAPPHIRE code. 27Al, 24Mg, 27Si; deduced levels, relative γ strengths of the observed transitions with respect to the strength of the ground state transition of the first excited states.

doi: 10.1103/PhysRevC.96.045804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2812.


2017SI03      Phys.Lett. B 765, 99 (2017)

V.Singh, J.Vadas, T.K.Steinbach, B.B.Wiggins, S.Hudan, R.T.deSouza, Z.Lin, C.J.Horowitz, L.T.Baby, S.A.Kuvin, V.Tripathi, I.Wiedenhover, A.S.Umar

Fusion enhancement at near and sub-barrier energies in 19O + 12C

NUCLEAR REACTIONS 12C(18O, X), (19O, X), E(cm)<20 MeV; measured reaction products; deduced σ. comparison with a state-of-the-art microscopic model.

doi: 10.1016/j.physletb.2016.12.017
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2257.


2015VA21      Phys.Rev. C 92, 064610 (2015)

J.Vadas, T.K.Steinbach, J.Schmidt, V.Singh, C.Haycraft, S.Hudan, R.T.deSouza, L.T.Baby, S.A.Kuvin, I.Wiedenhover

Evidence for survival of the α cluster structure in light nuclei through the fusion process

NUCLEAR REACTIONS 12C(18O, X), E=16.25, 17.5, 18.8, 20, 22.5, 25, 27.5, 32, 36 MeV; measured energy versus time-of-flight spectrum of evaporation residues (ER), σ(θ, E) and yields of ERs, Eα, Iα, α(θ), average energy of α particles at Florida State Tandem accelerator facility. Comparison with statistical model calculations using EVPAOR and PACE4 codes, and with experimental data for 12,13C(16O, X), E(cm)=6-15 MeV.

doi: 10.1103/PhysRevC.92.064610
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2014HU04      Eur.Phys.J. A 50, 36 (2014)

S.Hudan, R.T.deSouza

Timescale for isospin equilibration in projectile breakup

doi: 10.1140/epja/i2014-14036-7
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2014ST06      Nucl.Instrum.Methods Phys.Res. A743, 5 (2014)

T.K.Steinbach, M.J.Rudolph, Z.Q.Gosser, K.Brown, B.Floyd, S.Hudan, R.T.deSouza, J.F.Liang, D.Shapira, M.Famiano

Measuring the fusion cross-section of light nuclei with low-intensity beams

NUCLEAR REACTIONS 12C(20O, X)32Si, E(cm)=7.05-11.96 MeV; measured reaction products; deduced fusion σ. Comparison with available data.

doi: 10.1016/j.nima.2013.12.045
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2092.


2014ST22      Phys.Rev. C 90, 041603 (2014)

T.K.Steinbach, J.Vadas, J.Schmidt, C.Haycraft, S.Hudan, R.T.deSouza, L.T.Baby, S.A.Kuvin, I.Wiedenhover, A.S.Umar, V.E.Oberacker

Sub-barrier enhancement of fusion as compared to a microscopic method in 18O + 12C

NUCLEAR REACTIONS 12C(18O, X), E=16.25, 36 MeV; measured fragment spectra, fusion σ(E) in sub-barrier domain, time-of-flight (TOF) technique at FSU tandem accelerator facility. Pulsed beam. Comparison with previous experimental results, and with density-constrained time-dependent Hartree-Fock (DC-TDHF) and coupled channel calculations.

doi: 10.1103/PhysRevC.90.041603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2142.


2014ST25      Phys.Rev. C 90, 061605 (2014)

K.Stiefel, Z.Kohley, R.T.deSouza, S.Hudan, K.Hammerton

Symmetry energy dependence of long-timescale isospin transport

NUCLEAR REACTIONS 64Zn(64Zn, X), E=45 MeV/nucleon; analyzed cos(α) distribution, yield of dinuclear breakup events as function of the time of breakup, correlation between the average breakup time of the dinuclear projectile-like fragments (PLF) and cos(α), average lifetimes extracted from the two-component fit, N/Z distributions. Constrained molecular dynamics (CoMD) model. Detailed comparisons with experimental data from FIRST charged particle array at the Cyclotron Institute of Texas A and M University.

doi: 10.1103/PhysRevC.90.061605
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2013BR05      Phys.Rev. C 87, 061601 (2013)

K.Brown, S.Hudan, R.T.deSouza, J.Gauthier, R.Roy, D.V.Shetty, G.A.Souliotis, S.J.Yennello

Timescale for equilibration of N/Z gradients in dinuclear systems

NUCLEAR REACTIONS 27Al, 64Zn, 209Bi(64Zn, X), E=45 MeV/nucleon; measured particle spectra, angular distributions of binary fragments at Texas AM facility;deduced average neutron to proton (N/Z) ratios for fragments as function of the decay angle, dependence of average neutron number on the parallel and transverse components of relative velocity, dependence of the average differential neutron number on time. Binary breakup of projectile-like fragment. Dinuclear complex.

doi: 10.1103/PhysRevC.87.061601
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2013DE23      Phys.Rev. C 88, 014602 (2013)

R.T.deSouza, S.Hudan, V.E.Oberacker, A.S.Umar

Confronting measured near- and sub-barrier fusion cross sections for 20O+12C with a microscopic method

NUCLEAR REACTIONS 12C(20O, X), E(cm)=6-16 MeV; calculated total fusion cross section, heavy-ion potentials, averaged fusion σ. Density-constrained time-dependent Hartree-Fock (DC-TDHF) microscopic method. Comparison with σ measurements for an experiment at SPIRAL-1, GANIL facility at E(20O)=1-2 MeV/nucleon. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.88.014602
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2012HE03      Phys.Rev. C 85, 014606 (2012)

V.Henzl, M.A.Kilburn, Z.Chajecki, D.Henzlova, W.G.Lynch, D.Brown, A.Chbihi, D.D.S.Coupland, P.Danielewicz, R.T.deSouza, M.Famiano, C.Herlitzius, S.Hudan, J.Lee, S.Lukyanov, A.M.Rogers, A.Sanetullaev, L.G.Sobotka, Z.Y.Sun, M.B.Tsang, A.Vander Molen, G.Verde, M.S.Wallace, M.Youngs

Angular dependence in proton-proton correlation functions in central 40Ca+40Ca and 48Ca+48Ca reactions

NUCLEAR REACTIONS 40Ca(40Ca, X), 48Ca(48Ca, X), E=80 MeV/nucleon; measured proton spectra, proton-proton angular correlation functions using HiRA and 4π arrays at the NSCL facility; deduced angular momentum dependence on reconstructed source distribution by imaging method, and Gaussian fitting procedure. Comparison with Boltzmann-Uehling-Uhlenbeck (BUU) transport model simulations.

doi: 10.1103/PhysRevC.85.014606
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2012HU05      Phys.Rev. C 86, 021603 (2012)

S.Hudan, A.B.McIntosh, R.T.de Souza, S.Bianchin, J.Black, A.Chbihi, M.Famiano, M.O.Fregeau, J.Gauthier, D.Mercier, J.Moisan, C.J.Metelko, R.Roy, C.Schwarz, W.Trautmann, R.Yanez

Tracking saddle-to-scission dynamics using N/Z in projectile breakup reactions

NUCLEAR REACTIONS 112,124Sn(124Xe, X), (136Xe, X), E=50 MeV/nucleon; analyzed angular distribution of binary splits, isotopic composition of Z=4-8 fragments as a function of their decay angle, relative fragment velocity, and on time.

doi: 10.1103/PhysRevC.86.021603
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2012LI37      Phys.Rev. C 86, 024605 (2012)

T.X.Liu, W.G.Lynch, R.H.Showalter, M.B.Tsang, X.D.Liu, W.P.Tan, M.J.van Goethem, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, M.A.Famiano, R.T.de Souza, V.E.Viola, R.J.Charity, L.G.Sobotka

Isospin observables from fragment energy spectra

NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X)1H/2H/3H/3He/4He/6He/6Li/7Li/8Li/9Li/7Be/9Be/10Be/11Be/10B/11B/12B/13B/11C/12C/13C/14C/15C/16C/14N/15N/16N/17N/18N/15O/16O/17O/18O/19O/20O, E=50 MeV/nucleon; measured energy spectra of light charged particles and intermediate mass fragments, fragment yields, σ(E) using LASSA, Miniball and Miniwall arrays at NSCL facility; deduced N/Z ratios.

doi: 10.1103/PhysRevC.86.024605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1946.


2012RU02      Phys.Rev. C 85, 024605 (2012)

M.J.Rudolph, Z.Q.Gosser, K.Brown, S.Hudan, R.T.de Souza, A.Chbihi, B.Jacquot, M.Famiano, J.F.Liang, D.Shapira, D.Mercier

Near- and sub-barrier fusion of 20O incident ions with 12C target nuclei

NUCLEAR REACTIONS 12C(20O, X), [20O secondary beam from C(22Ne, X), E=79 MeV/nucleon primary beam], E=19.8, 25.0, 41.0 MeV; measured particle spectra, time of flight, energy-TOF spectra, (particle)(particle)-coin, total fusion cross sections; deduced evaporation residue and light charged particle cross sections. 20O, 20F; measured energy spectrum. 12C(16O, X), E(cm)=8-17 MeV; measured particle spectra, total fusion cross sections. Comparison with statistical (EVAPOR) model predictions.

doi: 10.1103/PhysRevC.85.024605
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2011RO18      Phys.Rev.Lett. 106, 252503 (2011)

A.M.Rogers, M.A.Famiano, W.G.Lynch, M.S.Wallace, F.Amorini, D.Bazin, R.J.Charity, F.Delaunay, R.T.de Souza, J.Elson, A.Gade, D.Galaviz, M.-J.van Goethem, S.Hudan, J.Lee, S.Lobastov, S.Lukyanov, M.Matos, M.Mocko, H.Schatz, D.Shapira, L.G.Sobotka, M.B.Tsang, G.Verde

Ground-State Proton Decay of 69Br and Implications for the 68Se Astrophysical Rapid Proton-Capture Process Waiting Point

RADIOACTIVITY 69Br(p) [from Be(78Kr, X), E=140 MeV/nucleon]; measured reaction products, proton spectrum. 69Br, 68Se; deduced proton separation energy. Astrophysical implications, comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.106.252503
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011RO55      J.Phys.:Conf.Ser. 312, 042020 (2011)

A.M.Rogers, W.G.Lynch, M.A.Famiano, M.S.Wallace, F.Amorini, D.Bazin, R.J.Charity, F.Delaunay, R.T.de Souza, J.Elson, A.Gade, D.Galaviz, S.Hudan, J.Lee, S.Lobostov, S.Lukyanov, M.Matos, M.Mocko, M.B.Tsang, D.Shapira, L.G.Sobotka, G.Verde

Ground-state proton decay of 69Br and implications for the rp-process 68Se waiting-point

RADIOACTIVITY 69Br(p); measured in-flight Ep, Ip(θ), E(Se), I(Se), (Se)p-coin using HiRA telescopes; deduced p-spectra, proton separation energy, implications for 2p capture of rp process.

doi: 10.1088/1742-6596/312/4/042020
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2010GA02      Phys.Rev. C 81, 014604 (2010)

W.Gawlikowicz, D.K.Agnihotri, S.A.Baldwin, W.U.Schroder, J.Toke, R.J.Charity, D.G.Sarantites, L.G.Sobotka, R.T.deSouza, T.Barczyk, K.Grotowski, S.Micek, R.Planeta, Z.Sosin

Correlations between reaction product yields as a tool for probing heavy-ion reaction scenarios

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28, 40, 62 MeV/nucleon; analyzed reaction product yields for neutrons, light charged particles (LCP), projectile like (PLF) and intermediate-mass fragments (IMFs). Comparison with classical transport code CLAT, quantum molecular dynamics (QMD) code, sequential decay code GEMINI and statistical multifragmentation code SMM.

doi: 10.1103/PhysRevC.81.014604
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2010HE16      Nucl.Phys. A834, 552c (2010)

V.Henzl, D.Henzlova, M.Kilburn, G.Verde, D.Brown, A.Chbihi, D.Coupland, J.Elson, M.Famiano, C.Herlitzius, S.Hudan, J.Lee, S.Lukyanov, W.Lynch, A.Rogers, A.Sanetullaev, L.Sobotka, R.T.de Souza, Z.Y.Sun, B.Tsang, M.Wallace, K.Xu, M.Youngs

Isospin effects in 40, 48Ca+40, 48Ca collisions

NUCLEAR REACTIONS 40Ca(40Ca, 2p), 48Ca(48Ca, 2p), E=80 MeV/nucleon; measured Ep, Ip(θ), pp-coin, Z(particle), A(particle), particle multiplicity, total transverse energy; deduced pp correlation function, emitting source size.

doi: 10.1016/j.nuclphysa.2010.01.088
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2010MC03      Phys.Rev. C 81, 034603 (2010)

A.B.McIntosh, S.Hudan, J.Black, D.Mercier, C.J.Metelko, R.Yanez, R.T.de Souza, A.Chbihi, M.Famiano, M.O.Fregeau, J.Gauthier, J.Moisan, R.Roy, S.Bianchin, C.Schwarz, W.Trautmann

Short-lived binary splits of an excited projectile-like fragment induced by transient deformation

NUCLEAR REACTIONS 124Sn(124Xe, X), E=50 MeV/nucleon; measured isotopic yields, angular distributions, parallel velocity distribution of fragments, mass distributions in the binary breakup of an excited projectile-like fragment (PLF). Comparison with schematic one-dimensional Langevin model.

doi: 10.1103/PhysRevC.81.034603
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2009BA27      Phys.Rev.Lett. 102, 232501 (2009)

D.Bazin, R.J.Charity, R.T.de Souza, M.A.Famiano, A.Gade, V.Henzl, D.Henzlova, S.Hudan, J.Lee, S.Lukyanov, W.G.Lynch, S.McDaniel, M.Mocko, A.Obertelli, A.M.Rogers, L.G.Sobotka, J.R.Terry, J.A.Tostevin, M.B.Tsang, M.S.Wallace

Mechanisms in Knockout Reactions

doi: 10.1103/PhysRevLett.102.232501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1728.


2009HU16      Phys.Rev. C 80, 064611 (2009)

S.Hudan, A.B.McIntosh, J.Black, D.Mercier, C.J.Metelko, R.Yanez, R.T.de Souza, A.Chbihi, M.Famiano, M.O.Fregeau, J.Gauthier, J.Moisan, R.Roy, S.Bianchin, C.Schwarz, W.Trautmann, A.S.Botvina

Charge correlations and isotopic distributions of projectile fragmentation events in 124Xe+112Sn at E/A=50 MeV

NUCLEAR REACTIONS 112Sn(124Xe, X), E=50 MeV/nucleon; measured fission fragments; deduced correlation function between heavy-light, heavy-medium fragments, Dalitz diagrams, and isotopic distributions for Z=4-14 symmetric ternary events. Comparison of measured charge correlations in fragmentation reactions with calculations using GEMINI code and statistical multifragmentation model (SMM).

doi: 10.1103/PhysRevC.80.064611
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2008GI07      Phys.Rev. C 78, 034601 (2008)

D.S.Ginger, K.Kwiatkowski, G.Wang, W.-c.Hsi, S.Hudan, E.Cornell, R.T.de Souza, V.E.Viola, R.G.Korteling

Exclusive studies of 130 - 270 MeV 3He- and 200-MeV proton-induced reactions on 27Al, natAg, and 197Au

NUCLEAR REACTIONS 27Al, Ag, 197Au(3He, α), E=130, 270 MeV; 27Al, Ag, 197Au(p, α), E=200 MeV; measured α-spectra, σ, angular distributions, (particle)(particle)-coin, α-yields, multiplicity distributions, fragment charge distributions, linear momentum distributions of charged particles.

doi: 10.1103/PhysRevC.78.034601
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2007LI52      Phys.Rev. C 76, 034603 (2007)

T.X.Liu, W.G.Lynch, M.B.Tsang, X.D.Liu, R.Shomin, W.P.Tan, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, B.Davin, Y.Larochelle, R.T.de Souza, R.J.Charity, L.G.Sobotka

Isospin diffusion observables in heavy-ion reactions

doi: 10.1103/PhysRevC.76.034603
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2007MC06      Phys.Rev.Lett. 99, 132701 (2007)

A.B.McIntosh, S.Hudan, C.J.Metelko, R.T.de Souza, R.J.Charity, L.G.Sobotka, W.G.Lynch, M.B.Tsang

Tidal Effects and the Proximity Decay of Nuclei

RADIOACTIVITY 8Be(α) [ from 92Mo(114Cd, X), E=50 MeV/nucleon]; measured Eα, Iα, relative α energies as a function of decay angle. Deduced evidence for tidal effect. Compared results to model calculations.

doi: 10.1103/PhysRevLett.99.132701
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2007VE07      Phys.Lett. B 653, 12 (2007)

G.Verde, P.Danielewicz, W.G.Lynch, C.F.Chan, C.K.Gelbke, L.K.Kwong, T.X.Liu, X.D.Liu, D.Seymour, R.Shomin, W.P.Tan, M.B.Tsang, A.Wagner, H.S.Xu, D.A.Brown, B.Davin, Y.Larochelle, R.T.de Souza, R.Yanez, R.J.Charity, L.G.Sobotka

d-α correlation functions and collective motion in Xe+Au collisions at E/A=50 MeV

NUCLEAR REACTIONS 197Au(129Xe, X), E=50 MeV/nucleon; measured charged particle spectra, d-α correlation function. Comparison with model results with thermal and collective motion.

doi: 10.1016/j.physletb.2007.07.031
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2006DE39      Eur.Phys.J. A 30, 275 (2006)

R.T.de Souza, N.Le Neindre, A.Pagano, K.-H.Schmidt

Detection

doi: 10.1140/epja/i2006-10123-8
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2006HU06      Phys.Rev. C 73, 054602 (2006)

S.Hudan, R.T.de Souza, A.Ono

Short timescale behavior of colliding heavy nuclei at intermediate energies

NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; calculated fragment charge and velocity distributions, fragment excitation energy, dynamical features. Antisymmetrized molecular dynamics model.

doi: 10.1103/PhysRevC.73.054602
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2006LI21      Europhys.Lett. 74, 806 (2006)

T.X.Liu, W.G.Lynch, M.J.van Goethem, X.D.Liu, R.Shomin, W.P.Tan, M.B.Tsang, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, W.A.Friedman, S.R.Souza, R.Donangelo, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka

Cooling dynamics in multi-fragmentation processes

NUCLEAR REACTIONS 112Sn(112Sn, X), E not given; measured fragments isotopic yields, kinetic energy spectra; deduced pre-equilibrium effects.

doi: 10.1209/epl/i2006-10040-x
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2006TH11      Phys.Rev. C 74, 051602 (2006)

D.Theriault, J.Gauthier, F.Grenier, F.Moisan, C.St-Pierre, R.Roy, B.Davin, S.Hudan, T.Paduszynski, R.T.de Souza, E.Bell, J.Garey, J.Iglio, A.L.Keksis, S.Parketon, C.Richers, D.V.Shetty, S.N.Soisson, G.A.Souliotis, B.C.Stein, S.J.Yennello

Neutron-to-proton ratios of quasiprojectile and midrapidity emission in the 64Zn + 64Zn reaction at 45 MeV/nucleon

NUCLEAR REACTIONS 64Zn(64Zn, X), E=45 MeV/nucleon; measured charged particle and neutron spectra, σ(Eθ); deduced rapidity dependence of neutron-to-proton ratios, related features.

doi: 10.1103/PhysRevC.74.051602
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2006VI07      Phys.Rep. 434, 1 (2006)

V.E.Viola, K.Kwiatkowski, L.Beaulieu, D.S.Bracken, H.Breuer, J.Brzychczyk, R.T.de Souza, D.S.Ginger, W.-C.Hsi, R.G.Korteling, T.Lefort, W.G.Lynch, K.B.Morley, R.Legrain, L.Pienkowski, E.C.Pollacco, E.Renshaw, A.Ruangma, M.B.Tsang, C.Volant, G.Wang, S.J.Yennello, N.R.Yoder

Light ion-induced multifragmentation: The ISiS project

NUCLEAR REACTIONS 197Au(p, X), (p-bar, X), (π-, X), E at 5-15 GeV/c; Ag, 197Au(3He, X), E=2-5 GeV; measured fragment energies, yields, multiplicity, charge, and angular distributions; deduced phase transition features.

doi: 10.1016/j.physrep.2006.07.005
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2005HU11      Phys.Rev. C 71, 054604 (2005)

S.Hudan, R.Alfaro, B.Davin, Y.Larochelle, H.Xu, L.Beaulieu, T.Lefort, R.Yanez, R.T.de Souza, R.J.Charity, L.G.Sobotka, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi

Comparison of midvelocity fragment formation with projectilelike decay

NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured fragments charge distribution, isotopic yields, transverse velocity.

doi: 10.1103/PhysRevC.71.054604
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2005PA77      Nucl.Instrum.Methods Phys.Res. A547, 464 (2005)

T.Paduszynski, P.Sprunger, R.T.de Souza, S.Hudan, A.Alexander, B.Davin, G.Fleener, A.Mcintosh, C.Metelko, R.Moore, N.Peters, J.Poehlman, J.Gauthier, F.Grenier, R.Roy, D.Theriault, E.Bell, J.Garey, J.Iglio, A.L.Keksis, S.Parketon, C.Richers, D.V.Shetty, S.N.Soisson, G.A.Souliotis, B.Stein, S.J.Yennello

Resolving multiple particles in a highly segmented silicon array

NUCLEAR REACTIONS 64Zn(64Zn, X), E = 45 MeV/nucleon; measured charge particle multiplicity distributions.

doi: 10.1016/j.nima.2005.04.011
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2005WI18      J.Res.Natl.Inst.Stand.Technol. 110, 389 (2005)

W.S.Wilburn, J.D.Bowman, G.S.Mitchell, J.M.O'Donnell, S.I.Penttila, P.-N.Seo, J.R.Calarco, F.W.Hersmann, T.E.Chupp, T.V.Cianciolo, K.P.Rykaczewski, G.R.Young, R.T.De Souza, W.M.Snow, D.Desai, G.L.Greene, R.K.Grzywacz, E.Frlez, D.Pocanic, T.R.Gentile, V.Gudkov, G.L.Jones

Measurement of Neutron Decay Parameters-The abBA Experiment

doi: 10.6028/jres.110.058
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2004HU16      Phys.Rev. C 70, 031601 (2004)

S.Hudan, R.Alfaro, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, V.E.Viola, H.Xu, R.Yanez, R.T.de Souza, R.J.Charity, L.G.Sobotka, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi

Interplay of initial deformation and Coulomb proximity on nuclear decay

NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured Eα, angular distributions following projectile-like fragment decay; deduced deformation and orientation effects, related reaction mechanism features.

doi: 10.1103/PhysRevC.70.031601
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2004LI08      Phys.Rev. C 69, 014603 (2004)

T.X.Liu, M.J.van Goethem, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, M.Colonna, M.Di Toro, M.Zielinska-Pfabe, H.H.Wolter, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka

Isotope yields from central 112, 124Sn + 112, 124Sn collisions: Dynamical emission?

NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light fragment isotopic yields; deduced reaction mechanism features. Stochastic mean field calculations.

doi: 10.1103/PhysRevC.69.014603
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2004TA17      Phys.Rev. C 69, 061304 (2004)

W.P.Tan, W.G.Lynch, T.X.Liu, X.D.Liu, M.B.Tsang, G.Verde, A.Wagner, H.S.Xu, B.Davin, R.T.de Souza, Y.Larochelle, R.Yanez, R.J.Charity, L.G.Sobotka

Spin determination of particle unstable levels with particle correlations

NUCLEAR REACTIONS 197Au(129Xe, X), E=50 MeV/nucleon; measured charged particle spectra, correlations. 8Be, 8B; deduced excited states J, π. Equilibrium approach.

doi: 10.1103/PhysRevC.69.061304
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2004TS01      Phys.Rev.Lett. 92, 062701 (2004)

M.B.Tsang, T.X.Liu, L.Shi, P.Danielewicz, C.K.Gelbke, X.D.Liu, W.G.Lynch, W.P.Tan, G.Verde, A.Wagner, H.S.Xu, W.A.Friedman, L.Beaulieu, B.Davin, R.T.de Souza, Y.Larochelle, T.Lefort, R.Yanez, V.E.Viola, Jr., R.J.Charity, L.G.Sobotka

Isospin Diffusion and the Nuclear Symmetry Energy in Heavy Ion Reactions

NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured Z=1-8 fragments isotopic yields; deduced isospin diffusion effects. Transport model calculations.

doi: 10.1103/PhysRevLett.92.062701
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2003CH23      Phys.Rev. C 67, 044611 (2003)

R.J.Charity, L.G.Sobotka, J.F.Dempsey, M.Devlin, S.Komarov, D.G.Sarantites, A.L.Caraley, R.T.deSouza, W.Loveland, D.Peterson, B.B.Back, C.N.Davids, D.Seweryniak

Temperature and n-p asymmetry dependencies of the level-density parameter in Ni+Mo fusion reactions

NUCLEAR REACTIONS 92,100Mo(60Ni, X), E=5-9 MeV/nucleon; measured evaporation residue velocity and angular distributions, mass distributions, neutron and light charged particle spectra; deduced reaction mechanism features. Comparison with statistical model predictions.

doi: 10.1103/PhysRevC.67.044611
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2003YA06      Phys.Rev. C 68, 011602 (2003)

R.Yanez, S.Hudan, R.Alfaro, B.Davin, Y.Larochelle, H.Xu, L.Beaulieu, T.Lefort, V.E.Viola, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, R.J.Charity, L.G.Sobotka

Excitation and decay of projectilelike fragments formed in dissipative peripheral collisions at intermediate energies

NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured Ep, Eα, projectile-like fragments energy, angle, and charge distributions; deduced role of velocity dissipation, other reaction mechanism features.

doi: 10.1103/PhysRevC.68.011602
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2002BR36      Phys.Rev. C66, 014608 (2002)

T.A.Bredeweg, R.Yanez, B.P.Davin, K.Kwiatkowski, R.T.de Souza, R.Lemmon, R.Popescu, R.J.Charity, L.G.Sobotka, D.Hofman, N.Carjan

Near-Scission Emission of Intermediate Mass Fragments in 12C + 232Th at E/A = 16 and 22 MeV

NUCLEAR REACTIONS 232Th(12C, X), E=16, 22 MeV/nucleon; measured intermediate mass fragment yields, energy, angular distribution in coincidence with fission fragments following incomplete fusion; deduced statistical emission mechanism, other reaction mechanism features. Comparison with ternary fission data.

NUCLEAR STRUCTURE 216,236U; calculated saddle-to-scission shapes vs angular momentum. Dynamical model.

doi: 10.1103/PhysRevC.66.014608
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2002DA11      Phys.Rev. C65, 064614 (2002)

B.Davin, R.Alfaro, H.Xu, L.Beaulieu, Y.Larochelle, T.Lefort, R.Yanez, S.Hudan, A.L.Caraley, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, R.J.Charity, L.G.Sobotka

Fragment Production in Noncentral Collisions of Intermediate-Energy Heavy Ions

NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured fragment charge and angular correlations, relative velocities; deduced reaction mechanism features.

doi: 10.1103/PhysRevC.65.064614
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2002XU07      Phys.Rev. C65, 061602 (2002)

H.Xu, R.Alfaro, B.Davin, L.Beaulieu, Y.Larochelle, T.Lefort, R.Yanez, S.Hudan, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, R.J.Charity, L.G.Sobotka, A.S.Botvina

Fragment Isospin as a Probe of Heavy-Ion Collisions

NUCLEAR REACTIONS 98Mo(114Cd, X), E=50 MeV/nucleon; measured fragments isotopic yields, velocity distributions; deduced source features. Comparison with statistical model results.

doi: 10.1103/PhysRevC.65.061602
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2001VE02      Nucl.Phys. A681, 299c (2001)

G.Verde, H.S.Xu, T.X.Liu, X.D.Liu, W.G.Lynch, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.Viola, R.J.Charity, L.G.Sobotka

Isospin Fractionation in Nuclear Fragmentation

NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light and intermediate fragments isotopic yields; deduced phase transition features.

doi: 10.1016/S0375-9474(00)00531-5
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2000BE27      Phys.Rev.Lett. 84, 5971 (2000)

L.Beaulieu, T.Lefort, K.Kwiatkowski, R.T.de Souza, W.-C.Hsi, L.Pienkowski, B.Back, D.D.Bracken, H.Breuer, E.Cornell, F.Gimeno-Nogues, D.S.Ginger, S.Gushue, R.G.Korteling, R.Laforest, E.Martin, K.B.Morley, E.Ramakrishnan, L.P.Remsberg, D.Rowland, A.Ruangma, V.E.Viola, G.Wang, E.Winchester, S.J.Yennello

Signals for a Transition from Surface to Bulk Emission in Thermal Multifragmentation

NUCLEAR REACTIONS 197Au(π-, X), E at 8-9.2 GeV/c; 197Au(p, X), E at 10.2 GeV/c; measured intermediate mass fragments correlation functions vs excitation energy; deduced transition between surface and bulk emission of fragments.

doi: 10.1103/PhysRevLett.84.5971
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2000XU05      Phys.Rev.Lett. 85, 716 (2000)

H.S.Xu, M.B.Tsang, T.X.Liu, X.D.Liu, W.G.Lynch, W.P.Tan, A.Vander Molen, G.Verde, A.Wagner, H.F.Xi, C.K.Gelbke, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka

Isospin Fractionation in Nuclear Multifragmentation

NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light and intermediate fragments isotopic distributions, relative yields; deduced gass phase isotopic distribution, related reaction mechanism features.

doi: 10.1103/PhysRevLett.85.716
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1999YA05      Phys.Rev.Lett. 82, 3585 (1999); Comment Phys.Rev.Lett. 85, 2645 (2000)

R.Yanez, T.A.Bredeweg, E.Cornell, B.Davin, K.Kwiatkowski, V.E.Viola, R.T.de Souza, R.Lemmon, R.Popescu

Experimental Evidence for Dynamical Decay of Finite Nuclear Matter

NUCLEAR REACTIONS 232Th(12C, F), E=22 MeV/nucleon; measured intermediate mass fragments energy, charge distributions, correlations with heavy fragments following ternary fission; deduced dynamical decay features.

doi: 10.1103/PhysRevLett.82.3585
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1998PR01      Phys.Rev. C57, 1305 (1998)

D.Prindle, A.Elmaani, C.Hyde-Wright, W.Jiang, A.A.Sonzogni, R.Vandenbosch, D.Bowman, G.Cron, P.Danielewicz, J.Dinius, W.Hsi, W.G.Lynch, C.Montoya, G.Peaslee, C.Schwarz, M.B.Tsang, C.Williams, R.T.de Souza, D.Fox, T.Moore

Impact Parameter Dependence of Light Charged Particle Production in 25A MeV 16O on Tb, Ta, and Au and 35A MeV 14N on Sm and Ta

NUCLEAR REACTIONS 159Tb, 181Ta, 197Au(16O, X), E=25 MeV/nucleon; 154Sm, 181Ta(14N, X), E=35 MeV/nucleon; measured p-, d-, t-, α-spectra, multiplicities, σ(θ) vs impact parameter; deduced reaction mechanism features. Transport model calculations.

doi: 10.1103/PhysRevC.57.1305
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1998SH04      Phys.Rev. C57, 1508 (1998)

W.Q.Shen, M.B.Tsang, N.Carlin, R.J.Charity, J.Feng, C.K.Gelbke, W.C.Hsi, M.J.Huang, G.J.Kunde, M.-C.Lemaire, M.A.Lisa, W.G.Lynch, U.Lynen, Y.G.Ma, G.F.Peaslee, L.Phair, J.Pochodzalla, H.Sann, C.Schwarz, L.G.Sobotka, R.T.de Souza, S.R.Souza, W.Trautmann, C.Williams

Disappearance of Rotational Flow and Reaction Plane Dispersions in Kr + Au Collisions

NUCLEAR REACTIONS 197Au(84Kr, X), E=35, 55, 70, 100 MeV/nucleon; measured light charged particle σ(θ), dd(θ), tt(θ), αα(θ); deduced rotational flow energy dependence. 4π phoswich detector array.

doi: 10.1103/PhysRevC.57.1508
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1997TS02      Phys.Rev. C55, R557 (1997)

M.B.Tsang, C.Williams, M.J.Huang, W.G.Lynch, L.Phair, D.R.Bowman, J.Dinius, C.K.Gelbke, D.O.Handzy, W.C.Hsi, G.J.Kunde, M.A.Lisa, G.F.Peaslee, A.Botvina, M.-C.Lemaire, S.R.Souza, G.Van Buren, R.J.Charity, L.G.Sobotka, C.Schwarz, U.Lynen, J.Pochodzalla, H.Sann, W.Trautmann, D.Fox, R.T.de Souza, N.Carlin

Fragment Multiplicity Dependent Charge Distributions in Heavy Ion Collisions

NUCLEAR REACTIONS 197Au(84Kr, X), E=35-400 MeV/nucleon; measured intermediate mass fragment element distributions dependence on the multiplicity of detected fragments.

doi: 10.1103/PhysRevC.55.R557
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1997WI06      Phys.Rev. C55, R2132 (1997); Comment Phys.Rev. C59, 550 (1999)

C.Williams, W.G.Lynch, C.Schwarz, M.B.Tsang, W.C.Hsi, M.J.Huang, D.R.Bowman, J.Dinius, C.K.Gelbke, D.O.Handzy, G.J.Kunde, M.A.Lisa, G.F.Peaslee, L.Phair, A.Botvina, M.-C.Lemaire, S.R.Souza, G.Van Buren, R.J.Charity, L.G.Sobotka, U.Lynen, J.Pochodzalla, H.Sann, W.Trautmann, D.Fox, R.T.de Souza, N.Carlin

Fragment Distributions for Highly Charged Systems

NUCLEAR REACTIONS 197Au(Kr, X), E=35, 55, 70, 100, 200, 400 MeV/nucleon; measured fragment charge distributions, mean transverse energy < E(t) >, rotational energy; deduced radial expansion velocities. Statistical model.

doi: 10.1103/PhysRevC.55.R2132
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1996CH35      Phys.Rev. C54, R2114 (1996)

S.L.Chen, R.T.de Souza, E.Cornell, B.Davin, T.M.Hamilton, D.Hulbert, K.Kwiatkowski, Y.Lou, V.E.Viola, R.G.Korteling, J.L.Wile

Emission of Intermediate Mass Fragments During Fission

NUCLEAR REACTIONS 232Th(α, F), E=200 MeV; measured intermediate mass fission fragments (Z=3-8) energy, σ(θ, E). Coulomb trajectory model.

doi: 10.1103/PhysRevC.54.R2114
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2512.


1996CO22      Phys.Rev.Lett. 77, 4508 (1996)

E.W.Cornell, T.M.Hamilton, D.Fox, Y.Lou, R.T.de Souza, M.J.Huang, W.C.Hsi, C.Schwarz, C.Williams, D.R.Bowman, J.Dinius, C.K.Gelbke, D.O.Handzy, M.A.Lisa, W.G.Lynch, G.F.Peaslee, L.Phair, M.B.Tsang, G.Van Buren, R.J.Charity, L.G.Sobotka, W.A.Friedman

Investigating the Evolution of Multifragmenting Systems with Fragment Emission Order

NUCLEAR REACTIONS 197Au(84Kr, X), E=70 MeV/nucleon; measured Be, C fragments correlated, uncorrelated yields vs difference velocity distribution; deduced thermally decaying source cooling evidence.

doi: 10.1103/PhysRevLett.77.4508
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1996FO11      Nucl.Instrum.Methods Phys.Res. A368, 709 (1996)

D.Fox, R.T.de Souza, S.L.Chen, B.Davin, T.M.Hamilton, Y.Lou, J.Dorsett, J.Ottarson

High Resolution Low Threshold Detector Telescopes for Multifragmentation Studies

NUCLEAR REACTIONS 197Au(14N, X), E=156 MeV/nucleon; measured oxygen fragment energy spectra. 197Au(p, p'), E=6-12 MeV; measured proton spectra; deduced detector characteristics. Compact ionization chamber-Si(IP)-CsI(Tl) telescopes.

RADIOACTIVITY 241Am(α); measured α-spectra; deduced detector characteristics. Compact ionization chamber-Si(IP)-CsI(Tl) telescopes.

doi: 10.1016/0168-9002(95)00803-9
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1996HA12      Phys.Rev. C53, 2273 (1996)

T.M.Hamilton, E.Cornell, D.Fox, Y.Lou, R.T.de Souza, M.J.Huang, W.C.Hsi, C.Schwarz, C.Williams, D.R.Bowman, J.Dinius, C.K.Gelbke, T.Glasmacher, D.O.Handzy, M.A.Lisa, W.G.Lynch, G.F.Peaslee, L.Phair, M.B.Tsang, G.Van Buren, R.J.Charity, L.G.Sobotka, A.A.Sonzogni, D.Prindle

Changing Source Characteristics During Multifragment Decay

NUCLEAR REACTIONS 197Au(84Kr, X), E=35, 55, 70 MeV/nucleon; measured charged particle multiplicities, (fragment)(fragment)-correlation, fragment velocities, σ (fragment E, theta); deduced spatial-temporal extent of the emitting source, dependence on fragment velocities.

doi: 10.1103/PhysRevC.53.2273
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1996HU10      Phys.Rev.Lett. 77, 3739 (1996)

M.J.Huang, R.C.Lemmon, F.Daffin, W.G.Lynch, C.Schwarz, M.B.Tsang, C.Williams, P.Danielewicz, K.Haglin, W.Bauer, N.Carlin, R.J.Charity, R.T.de Souza, C.K.Gelbke, W.C.Hsi, G.J.Kunde, M.-C.Lemaire, M.A.Lisa, U.Lynen, G.F.Peaslee, J.Pochodzalla, H.Sann, L.G.Sobotka, S.R.Souza, W.Trautmann

Mass Dependence of Directed Collective FLow

NUCLEAR REACTIONS 197Au(84Kr, X), E=200 MeV/nucleon; measured fragment collective sidewards flow per nucleon mass dependence; deduced momentum dependent nuclear mean field evidence. BUU model.

doi: 10.1103/PhysRevLett.77.3739
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1996LO06      Nucl.Phys. A604, 219 (1996)

Y.Lou, R.T.de Souza, S.L.Chen, E.W.Cornell, B.Davin, D.Fox, T.M.Hamilton, K.Mcdonald, M.B.Tsang, T.Glasmacher, J.Dinius, C.K.Gelbke, D.O.Handzy, W.C.Hsi, M.Huang, W.G.Lynch, C.Montoya, C.Schwarz, D.Prindle, A.A.Sonzogni, R.Vandenbosch, J.L.Wile, M.Parker, D.L.Coffing

Fragment Emission from Modestly Excited Nuclear Systems

NUCLEAR REACTIONS 197Au(14N, X), E=100-156 MeV/nucleon; measured (fragment)(fragment) correlations, emission patterns; deduced emission time scale. Statistical decay model.

doi: 10.1016/0375-9474(96)00106-6
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1996MO02      Phys.Rev.Lett. 76, 372 (1996)

L.G.Moretto, L.Phair, R.Ghetti, K.Tso, N.Colonna, W.Skulski, G.J.Wozniak, D.R.Bowman, N.Carlin, M.Chartier, C.K.Gelbke, W.G.Gong, W.C.Hsi, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, C.Schwarz, R.T.de Souza, M.B.Tsang, F.Zhu

Phase Coexistence in Multifragmentation ( Question )

NUCLEAR REACTIONS 197Au(36Ar, X), E=110 MeV/nucleon; analyzed charge distributions data; deduced multi-fragmentation phase coexistence related features.

doi: 10.1103/PhysRevLett.76.372
Citations: PlumX Metrics


1996MO18      Phys.Rev.Lett. 77, 2634 (1996)

L.G.Moretto, Th.Rubehn, L.Phair, N.Colonna, G.J.Wozniak, D.R.Bowman, G.F.Peaslee, N.Carlin, R.T.de Souza, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, C.Williams

Charge Correlations and Dynamical Instabilities in the Multifragment Emission Process

NUCLEAR REACTIONS Cu(Xe, X), E at 50 MeV/nucleon; measured multi-fragmentation associated higher order charge correlations; deduced no evidence for preferred breakup into equal-sized fragments.

doi: 10.1103/PhysRevLett.77.2634
Citations: PlumX Metrics


1996PH03      Phys.Rev.Lett. 77, 822 (1996)

L.Phair, L.G.Moretto, G.J.Wozniak, R.T.de Souza, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Reducibility and Thermal and Mass Scaling in Angular Correlations from Multifragmentation Reactions

NUCLEAR REACTIONS 197Au(36Ar, X), E=50 MeV/nucleon; analyzed light charged particle azimuthal correlations data; deduced reducibility, thermal, mass scaling related features.

doi: 10.1103/PhysRevLett.77.822
Citations: PlumX Metrics


1996TO07      Phys.Rev.Lett. 77, 3514 (1996)

J.Toke, D.K.Agnihotri, S.P.Baldwin, B.Djerroud, B.Lott, B.M.Quednau, W.Skulski, W.U.Schroder, L.G.Sobotka, R.J.Charity, D.G.Sarantites, R.T.de Souza

Dynamical Fragment Production as a Mode of Energy Dissipation in Heavy-Ion Reactions

NUCLEAR REACTIONS 128Xe(209Bi, X), E=28 MeV/nucleon; measured intermediate mass fragment multiplicity distribution; deduced fragment production mechanism.

doi: 10.1103/PhysRevLett.77.3514
Citations: PlumX Metrics


1996TS01      Phys.Rev. C53, R1057 (1996)

M.B.Tsang, F.Zhu, W.G.Lynch, A.Aranda, D.R.Bowman, R.T.de Souza, C.K.Gelbke, Y.D.Kim, L.Phair, S.Pratt, C.Williams, H.M.Xu, W.A.Friedman

Cross Comparisons of Nuclear Temperatures Determined from Excited State Populations and Isotope Yields

NUCLEAR REACTIONS 197Au(36Ar, X), E=35 MeV/nucleon; measured 7,8Li, 3,4He isotope yields, other aspects; deduced temperatures.

doi: 10.1103/PhysRevC.53.R1057
Citations: PlumX Metrics


1995BA18      Phys.Rev.Lett. 74, 1299 (1995)

S.P.Baldwin, B.Lott, B.M.Szabo, B.M.Quednau, W.U.Schroder, J.Toke, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Dissipative Orbiting in 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured charged product yields, (fragment)(light charged particle)-, (fragment)n-coin; deduced dissipative orbiting evidence.

doi: 10.1103/PhysRevLett.74.1299
Citations: PlumX Metrics


1995CO21      Phys.Rev.Lett. 75, 1475 (1995)

E.Cornell, T.M.Hamilton, D.Fox, Y.Lou, R.T.de Souza, M.J.Huang, W.C.Hsi, C.Schwarz, C.Williams, D.R.Bowman, J.Dinius, C.K.Gelbke, T.Glasmacher, D.O.Handzy, M.A.Lisa, W.G.Lynch, G.F.Peaslee, L.Phair, M.B.Tsang, G.Van Buren, R.J.Charity, L.G.Sobotka, W.A.Friedman

Assessing the Evolutionary Nature of Multifragment Decay

NUCLEAR REACTIONS 197Au(84Kr, X), E=35-70 MeV/nucleon; analyzed (fragment)(fragment) velocity correlation, velocity relationship; deduced source characteristics evolution as fragments are emitted. Statistical model.

doi: 10.1103/PhysRevLett.75.1475
Citations: PlumX Metrics


1995GL03      Phys.Rev. C51, 3489 (1995)

T.Glasmacher, L.Phair, D.R.Bowman, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, R.T.de Souza, M.B.Tsang, F.Zhu

Space-Time Ambiguity of Two- and Three-Fragment Reduced-Velocity Correlation Functions

NUCLEAR REACTIONS 197Au(36Ar, X), E=50 MeV/nucleon; measured intermediate mass fragment reduced velocity correlation functions; deduced source radius, source lifetime.

doi: 10.1103/PhysRevC.51.3489
Citations: PlumX Metrics


1995MO09      Phys.Rev.Lett. 74, 1530 (1995)

L.G.Moretto, L.Phair, K.Tso, K.Jing, G.J.Wozniak, R.T.de Souza, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Are Multifragment Emission Probabilities Reducible to an Elementary Binary Emission Probability

NUCLEAR REACTIONS 197Au(36Ar, X), E=80, 110 MeV/nucleon; measured intermediate mass fragment distribution multiplicity; deduced emission probability characteristics, consequences.

doi: 10.1103/PhysRevLett.74.1530
Citations: PlumX Metrics


1995PH03      Phys.Rev.Lett. 75, 213 (1995)

L.Phair, K.Tso, R.Ghetti, G.J.Wozniak, L.G.Moretto, R.T.de Souza, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Reducibility and Thermal Scaling of Charge Distributions in Multifragmentation

NUCLEAR REACTIONS 197Au(36Ar, X), E=110 MeV/nucleon; calculated multi-fragmentation charge distribution; deduced reducibility, thermal scaling.

doi: 10.1103/PhysRevLett.75.213
Citations: PlumX Metrics


1995TO02      Nucl.Phys. A583, 519c (1995)

J.Toke, B.Lott, S.P.Baldwin, B.M.Quednau, W.U.Schroder, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.De Souza

Dynamical Production of Intermediate-Mass Fragments in Peripheral 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured (fragment)(particle)-coin; deduced intermediate mass fragments statistical, fast dynamical emission evidence.

doi: 10.1016/0375-9474(94)00713-W
Citations: PlumX Metrics


1995TO10      Phys.Rev.Lett. 75, 2920 (1995)

J.Toke, B.Lott, S.P.Baldwin, B.M.Quednau, W.U.Schroder, L.G.Sobotka, J.Barreto, R.J.Charity, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Intermediate-Mass Fragment Decay of the Neck Zone Formed in Peripheral 209Bi + 136Xe Collisions at E(lab)/A = 28 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28 MeV/nucleon; measured (fragment)(fragment)-coin; deduced reaction partners neck zone dynamical fragmentation evidence.

doi: 10.1103/PhysRevLett.75.2920
Citations: PlumX Metrics


1995TS03      Phys.Lett. 361B, 25 (1995)

K.Tso, L.Phair, N.Colonna, W.Skulski, G.J.Wozniak, L.G.Moretto, D.R.Bowman, M.Chartier, C.K.Gelbke, W.G.Gong, W.C.Hsi, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, C.Schwarz, R.T.de Souza, M.B.Tsang, F.Zhu

Evidence for the Reducibility of Multifragment Emission to an Elementary Binary Emission in Xe-Induced Reactions

NUCLEAR REACTIONS Cu, 89Y, 165Ho, 197Au(129Xe, X), E=40-60 MeV/nucleon; measured intermediate mass fragment emission probability vs transversal energy.

doi: 10.1016/0370-2693(95)01137-F
Citations: PlumX Metrics


1995WI10      Phys.Rev. C51, 1693 (1995)

J.L.Wile, D.L.Coffing, E.T.Bauer, A.L.Michael, M.A.Doerner, S.P.Baldwin, B.M.Szabo, B.Lott, B.M.Quednau, J.Toke, W.U.Schroder, R.T.de Souza

Decay Patterns of Dysprosium Nuclei Produced in 32S + 118,124Sn Fusion Reactions

NUCLEAR REACTIONS 118,124Sn(32S, X), E=130-180 MeV; measured neutron multiplicity distributions, α-, proton spectra, average multiplicities. 150,156Dy deduced level density parameters, maximum effect of superdeformed trapping.

doi: 10.1103/PhysRevC.51.1693
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1995ZH17      Phys.Rev. C52, 784 (1995)

F.Zhu, W.G.Lynch, D.R.Bowman, R.T.de SOuza, C.K.Gelbke, Y.D.Kim, L.Phair, M.B.Tsang, C.Williams, H.M.Xu

Impact Parameter Selected Excited State Populations for 36Ar + 197Au Reactions at E/A = 35 MeV

NUCLEAR REACTIONS 197Au(36Ar, X), E=35 MeV/nucleon; measured σ(fragment θ, E) for X=4He, 6Li, 7Be, 10Be; deduced impact parameter selected excited states population related features.

doi: 10.1103/PhysRevC.52.784
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1994CH10      Phys.Lett. 323B, 113 (1994)

R.J.Charity, L.G.Sobotka, G.Van Buren, F.A.Tibbals, J.Barreto, D.R.Bowman, M.Chartier, J.Dinius, D.Fox, C.K.Gelbke, D.O.Handzy, W.C.Hsi, P.F.Hua, A.S.Kirov, M.A.Lisa, W.G.Lynch, G.F.Peaslee, L.Phair, D.G.Sarantites, C.Schwarz, R.T.de Souza, M.B.Tsang, C.Williams

Time Scale for Proton Emission from Highly Excited Projectiles

NUCLEAR REACTIONS 197Au(24Mg, X), E=60 MeV/nucleon; measured projectile breakup light charged particle velocity distribution centroids; deduced proton emission time scale.

doi: 10.1016/0370-2693(94)90278-X
Citations: PlumX Metrics


1994FO11      Phys.Rev. C50, 2424 (1994)

D.Fox, R.T.de Souza, T.Glasmacher, L.Phair, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Time Scale for Multifragmentation in Intermediate Energy Heavy-Ion Reactions

NUCLEAR REACTIONS 197Au(36Ar, X), E=35-110 MeV/nucleon; measured (fragment)(fragment) correlation vs Z1, Z2, σ(fragment E, θ), other aspects; deduced multi-fragmentation time scale features. Microcanonical model.

doi: 10.1103/PhysRevC.50.2424
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1994GL04      Phys.Rev. C50, 952 (1994)

T.Glasmacher, L.Phair, D.R.Bowman, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, R.T.de Souza, M.B.Tsang, F.Zhu

Two-Fragment Correlation Functions with Directional Cuts for Central 36Ar + 197Au Collisions at E/A = 50 MeV

NUCLEAR REACTIONS 197Au(36Ar, X), E=50 MeV/nucleon; measured (fragment)(fragment)-velocity correlation; deduced source lifetime, size. Many-body trajectory calculations.

doi: 10.1103/PhysRevC.50.952
Citations: PlumX Metrics


1994LI19      Phys.Rev. C49, 2788 (1994)

M.A.Lisa, W.G.Gong, C.K.Gelbke, N.Carlin, R.T.de Souza, Y.D.Kim, W.G.Lynch, T.Murakami, G.Poggi, M.B.Tsang, H.M.Xu, K.Kwiatkowski, V.E.Viola, Jr., S.J.Yennello

Proton Evaporation Time Scales from Longitudinal and Transverse Two-Proton Correlation Functions

NUCLEAR REACTIONS 27Al(129Xe, X), E=31 MeV/nucleon; analyzed pp-correlations data; deduced evidence for emission from long-lived composite system.

doi: 10.1103/PhysRevC.49.2788
Citations: PlumX Metrics


1994MO34      Phys.Rev.Lett. 73, 3070 (1994)

C.P.Montoya, W.G.Lynch, D.R.Bowman, G.F.Peaslee, N.Carlin, R.T.de Souza, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, L.Phair, M.B.Tsang, J.B.Webster, C.Williams, N.Colonna, K.Hanold, M.A.McMahan, G.J.Wozniak, L.G.Moretto

Fragmentation of Necklike Structures

NUCLEAR REACTIONS Cu(129Xe, X), E=49.8 MeV/nucleon; measured intermediate mass fragment yield vs velocity; deduced necklike structure role in emission.

doi: 10.1103/PhysRevLett.73.3070
Citations: PlumX Metrics


1994PE06      Phys.Rev. C49, R2271 (1994)

G.F.Peaslee, M.B.Tsang, C.Schwarz, M.J.Huang, W.S.Huang, W.C.Hsi, C.Williams, W.Bauer, D.R.Bowman, M.Chartier, J.Dinius, C.K.Gelbke, T.Glasmacher, D.O.Handzy, M.A.Lisa, W.G.Lynch, C.M.Mader, L.Phair, M.-C.Lemaire, S.R.Souza, G.Van Buren, R.J.Charity, L.G.Sobotka, G.J.Kunde, U.Lynen, J.Pochodzalla, H.Sann, W.Trautmann, D.Fox, R.T.de Souza, G.Peilert, W.A.Friedman, N.Carlin

Energy Dependence of Multifragmentation in 84Kr + 197Au Collisions

NUCLEAR REACTIONS 197Au(84Kr, X), E=35, 55, 70, 100, 200, 400 MeV/nucleon; measured intermediate mass fragment, total charged particle multiplicities; deduced multi-fragmentation energy dependence. QMD model.

doi: 10.1103/PhysRevC.49.R2271
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1994SC15      Phys.Rev. C49, 3316 (1994)

C.Schwarz, W.G.Gong, N.Carlin, C.K.Gelbke, Y.D.Kim, W.G.Lynch, T.Murakami, G.Poggi, R.T.de Souza, M.B.Tsang, H.M.Xu, K.Kwiatkowski, V.E.Viola, S.J.Yennello

Anomalous Populations of Particle-Unbound States in 10B

NUCLEAR REACTIONS 27Al, 197Au(14N, X), E=75 MeV/nucleon; 122Sn, 27Al(129Xe, X), E=31 MeV/nucleon; measured B fragments inclusive yields, (9Be)(p)-correlation functions. 10B deduced particle unstable states relative populations. Statistical calculations.

doi: 10.1103/PhysRevC.49.3316
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1993BA10      Nucl.Phys. A553, 749c (1993)

W.Bauer, D.R.Bowman, N.Carlin, N.Colonna, R.T.de Souza, C.K.Gelbke, W.G.Gong, K.Hanold, Y.D.Kim, M.A.Lisa, W.G.Lynch, M.A.McMahan, L.G.Moretto, G.F.Peaslee, L.Phair, M.B.Tsang, C.Williams, G.J.Wozniak, F.Zhu

Multifragment Emission in 36Ar + 197Au and 129Xe + 197Au Collisions

NUCLEAR REACTIONS 197Au(129Xe, X), E=50 MeV/nucleon; 197Au(36Ar, X), E=50-110 MeV/nucleon; measured intermediate mass fragments number, charged particle multiplicity. Model analysis.

doi: 10.1016/0375-9474(93)90692-Q
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1993BO16      Phys.Rev.Lett. 70, 3534 (1993)

D.R.Bowman, G.F.Peaslee, N.Carlin, R.T.de Souza, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, L.Phair, M.B.Tsang, C.Williams, N.Colonna, K.Hanold, M.A.McMahan, G.J.Wozniak, L.G.Moretto

Sources and Emission Time Scales in E/A = 50 MeV 129Xe + (nat)Cu Reactions

NUCLEAR REACTIONS Cu(129Xe, X), E=50 MeV/nucleon; measured (fragment)(fragment)(θ), velocity distributions; deduced source features, emission times.

doi: 10.1103/PhysRevLett.70.3534
Citations: PlumX Metrics


1993DE06      Phys.Lett. 300B, 29 (1993)

R.T.de Souza, D.Fox, W.A.Friedman, L.Phair, D.R.Bowman, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Expansion Effects in Intermediate Energy Heavy-Ion Reactions

NUCLEAR REACTIONS 197Au(36Ar, X), E=50-110 MeV/nucleon; measured charged particle multiplicity; deduced source expansion role during emission.

doi: 10.1016/0370-2693(93)90743-2
Citations: PlumX Metrics


1993FO01      Phys.Rev. C47, R421 (1993); Erratum Phys.Rev. C48, 3135 (1993)

D.Fox, R.T.de Souza, L.Phair, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, M.B.Tsang, F.Zhu

Extraction of the Multifragmentation Time Scale in Intermediate Energy Heavy-Ion Reactions

NUCLEAR REACTIONS 197Au(36Ar, X), E=50-110 MeV/nucleon; measured charged particle multiplicity, intermediate mass fragment correlation; deduced multi-fragmentation time scale.

doi: 10.1103/PhysRevC.47.R421
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1993GO01      Phys.Rev. C47, R429 (1993)

W.G.Gong, P.Danielewicz, C.K.Gelbke, N.Carlin, R.T.de Souza, Y.D.Kim, W.G.Lynch, T.Murakami, G.Poggi, M.B.Tsang, H.M.Xu, S.Pratt, K.Kwiatkowski, V.E.Viola, Jr., S.J.Yennello, J.C.Shillcock

Two-Deuteron Correlation Functions in 14N + 27Al Collisions at E/A = 75 MeV

NUCLEAR REACTIONS 27Al(14N, X), E=75 MeV/nucleon; measured dd-, pp-correlation functions; deduced ejectile time span differences. Microscopic transport model.

doi: 10.1103/PhysRevC.47.R429
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1993PH01      Nucl.Phys. A564, 453 (1993)

L.Phair, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, R.T.de Souza, M.B.Tsang, C.Williams, F.Zhu, N.Colonna, K.Hanold, M.A.McMahan, G.J.Wozniak

Azimuthal Correlations as a Test for Centrality in Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(36Ar, X), E=35-110 MeV/nucleon; 197Au(129Xe, X), E=50 MeV/nucleon; measured (particle)(particle)(φ); deduced central collisions selectivity features.

doi: 10.1016/0375-9474(93)90515-Y
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1993SC21      Phys.Rev. C48, 676 (1993)

C.Schwarz, W.G.Gong, N.Carlin, C.K.Gelbke, Y.D.Kim, W.G.Lynch, T.Murakami, G.Poggi, R.T.de Souza, M.B.Tsang, H.M.Xu, D.E.Fields, K.Kwiatkowski, V.E.Viola, Jr., S.J.Yennello

Emission Temperatures from Widely Separated States in 14N- and 129Xe-Induced Reactions

NUCLEAR REACTIONS 27Al, 197Au(14N, X), E=75 MeV/nucleon; 27Al, 122Sn(129Xe, X), E=31 MeV/nucleon; measured light charged particle relative momentum correlation functions, inclusive σ(fragment θ, E) for α, 6Li, 7Be; deduced nuclear temperatures of 4He, 5Li, and 8Be.

doi: 10.1103/PhysRevC.48.676
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1993TS01      Phys.Rev. C47, 2717 (1993)

M.B.Tsang, D.R.Bowman, N.Carlin, P.Danielewicz, C.K.Gelbke, W.G.Gong, Y.D.Kim, W.G.Lynch, L.Phair, R.T.de Souza, F.Zhu

Multiplicity Dependence of Azimuthal Distributions for 36Ar + 197Au Collisions at E/A = 35 MeV

NUCLEAR REACTIONS 197Au(36Ar, X), E=35 MeV/nucleon; measured charged particle azimuthal multiplicity, anisotropy; deduced scaling. Coalescence model, Boltzmann-Uehling-Uhlenbeck theory.

doi: 10.1103/PhysRevC.47.2717
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1993WI07      Phys.Rev. C47, 2135 (1993)

J.L.Wile, S.S.Datta, W.U.Schroder, J.Toke, D.Pade, S.P.Baldwin, J.R.Huizenga, B.M.Quednau, R.T.deSouza, B.M.Szabo

Thermal Characteristics of Composite Systems Formed in Fusion of 28Si with 118Sn and 124Sn Nuclei

NUCLEAR REACTIONS 118,124Sn(28Si, X), E=120-150 MeV; measured n(evaporation residue)-coin, neutron multiplicities. 146,152Gd deduced decay pattern differences. Statistical model effective level density parameters.

doi: 10.1103/PhysRevC.47.2135
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1992BO29      Phys.Rev. C46, 1834 (1992)

D.R.Bowman, C.M.Mader, G.F.Peaslee, W.Bauer, N.Carlin, R.T.de Souza, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, L.Phair, M.B.Tsang, C.Williams, N.Colonna, K.Hanold, M.A.McMahan, G.J.Wozniak, L.G.Moretto, W.A.Friedman

Intermediate Mass Fragment Emission as a Probe of Nuclear Dynamics

NUCLEAR REACTIONS 12C, 27Al, 51V, Cu, 89Y, 197Au(129Xe, X), E=50 MeV/nucleon; measured fragment muliplicity, charge distribution; deduced correlation with charged particle multiplicity, target independence. Hybrid model, dynamical emission aspects.

doi: 10.1103/PhysRevC.46.1834
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1992KI02      Phys.Rev. C45, 338 (1992)

Y.D.Kim, R.T.de Souza, D.R.Bowman, N.Carlin, C.K.Gelbke, W.G.Gong, W.G.Lynch, L.Phair, M.B.Tsang, F.Zhu

Intermediate Mass Fragment Emission in 36Ar + 197Au Collisions at E/A = 35 MeV

NUCLEAR REACTIONS 197Au(36Ar, X), E=35 MeV/nucleon; measured (fragment)(fragment)(θ), energy spectra, multiplicity distributions; deduced intermediate mass fragments time scales.

doi: 10.1103/PhysRevC.45.338
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1992LO04      Phys.Rev.Lett. 68, 3141 (1992)

B.Lott, S.P.Baldwin, B.M.Szabo, B.M.Quednau, W.U.Schroder, J.Toke, L.G.Sobotka, J.Barreto, R.J.Charity, L.Gallamore, D.G.Sarantites, D.W.Stracener, R.T.de Souza

Binary Character of Highly Dissipative 209Bi + 136Xe Collisions at E(lab)/A = 28.2 MeV

NUCLEAR REACTIONS 209Bi(136Xe, nX), E=28.2 MeV/nucleon; measured (particle)n-coin for X=p, d, different neutron multiplicities, charged particle velocity distributions; deduced highly dissipative collision binary nature. 4π detectors.

doi: 10.1103/PhysRevLett.68.3141
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1992PH02      Phys.Lett. 291B, 7 (1992)

L.Phair, M.A.Lisa, D.R.Bowman, C.K.Gelbke, W.G.Gong, Y.D.Kim, W.G.Lynch, G.F.Peaslee, H.Schulz, R.T.de Souza, M.B.Tsang, F.Zhu

Fluctuations in Multifragment Decays

NUCLEAR REACTIONS 197Au(36Ar, X), E=35-110 MeV/nucleon; analyzed charged particle distributions; deduced inconsistency with intermittency signals assumption.

doi: 10.1016/0370-2693(92)90111-G
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1992PH03      Nucl.Phys. A548, 489 (1992)

L.Phair, D.R.Bowman, C.K.Gelbke, W.G.Gong, Y.D.Kim, M.A.Lisa, W.G.Lynch, G.F.Peaslee, R.T.de Souza, M.B.Tsang, F.Zhu

Impact-Parameter Filters for 36Ar + 197Au Collisions at E/A = 50, 80 and 110 MeV

NUCLEAR REACTIONS 197Au(36Ar, X), E=50-110 MeV/nucleon; measured charged particle multiplicity, transverse energy, intermediate rapidity charge correlations, impact parameter distribution. Impact parameter filters. 4π phoswich array.

doi: 10.1016/0375-9474(92)90697-I
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter R.T.De Souza: R.T.DE SOUZA, R.T.DESOUZA