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NSR database version of April 11, 2024.

Search: Author = R.A.Lacey

Found 63 matches.

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2022MA22      Phys.Rev. C 105, 044901 (2022)

N.Magdy, P.Parfenov, A.Taranenko, I.Karpenko, R.A.Lacey

Model study of the energy dependence of the correlation between anisotropic flow and the mean transverse momentum in Au+Au collisions

doi: 10.1103/PhysRevC.105.044901
Citations: PlumX Metrics


2021LA02      Nucl.Phys. A1005, 122041 (2021)

R.A.Lacey, for the STAR Collaboration

Long-range collectivity in small collision-systems with two- and four-particle correlations at STAR

doi: 10.1016/j.nuclphysa.2020.122041
Citations: PlumX Metrics


2021MA45      Phys.Rev. C 104, 014907 (2021)

N.Magdy, R.A.Lacey

Model investigation of the longitudinal broadening of the transverse momentum two-particle correlator

doi: 10.1103/PhysRevC.104.014907
Citations: PlumX Metrics


2018LI42      Phys.Rev. C 98, 021902 (2018)

P.Liu, R.A.Lacey

Acoustic scaling of linear and mode-coupled anisotropic flow; implications for precision extraction of the specific shear viscosity

doi: 10.1103/PhysRevC.98.021902
Citations: PlumX Metrics


2018LI47      Phys.Rev. C 98, 031901 (2018)

P.Liu, R.A.Lacey

System-size dependence of the viscous attenuation of anisotropic flow in p + Pb and Pb + Pb collisions at energies available at the CERN Large Hadron Collider

doi: 10.1103/PhysRevC.98.031901
Citations: PlumX Metrics


2018MA33      Phys.Rev. C 97, 061901 (2018)

N.Magdy, S.Shi, J.Liao, N.Ajitanand, R.A.Lacey

New correlator to detect and characterize the chiral magnetic effect

doi: 10.1103/PhysRevC.97.061901
Citations: PlumX Metrics


2018MA69      Phys.Rev. C 98, 061902 (2018)

N.Magdy, S.Shi, J.Liao, P.Liu, R.A.Lacey

Examination of the observability of a chiral magnetically driven charge-separation difference in collisions of the 9644Ru + 9644Ru and 9640Zr + 9640Zr isobars at energies available at the BNL Relativistic Heavy Ion Collider

NUCLEAR REACTIONS 96Ru(96Ru, X), 96Zr(96Zr, X), E=200 GeV; calculated differential elliptic flow, centrality dependence of the peak magnetic fields, and charge sensitive correlator using anomalous viscous fluid dynamics (AVFD) model. Relevance to upcoming measurements at the Relativistic Heavy Ion Collider (RHIC-BNL).

doi: 10.1103/PhysRevC.98.061902
Citations: PlumX Metrics


2017GA06      Eur.Phys.J. A 53, 61 (2017)

L.-N.Gao, F.-H.Liu, Y.Sun, Z.Sun, R.A.Lacey

Excitation functions of parameters extracted from three-source (net-)proton rapidity distributions in Au-Au and Pb-Pb collisions over an energy range from AGS to RHIC

doi: 10.1140/epja/i2017-12252-3
Citations: PlumX Metrics


2017LA05      Eur.Phys.J. A 53, 44 (2017); Erratum Eur.Phys.J. A 53, 143 (2017)

H.-L.Lao, F.-H.Liu, R.A.Lacey

Extracting kinetic freeze-out temperature and radial flow velocity from an improved Tsallis distribution

doi: 10.1140/epja/i2017-12238-1
Citations: PlumX Metrics


2016GA18      Eur.Phys.J. A 52, 137 (2016)

L.-N.Gao, F.-H.Liu, R.A.Lacey

Excitation functions of parameters in Erlang distribution, Schwinger mechanism, and Tsallis statistics in RHIC BES program

doi: 10.1140/epja/i2016-16137-7
Citations: PlumX Metrics


2016LA18      Eur.Phys.J. A 52, 203 (2016)

H.-L.Lao, H.-R.Wei, F.-H.Liu, R.A.Lacey

Strangeness production in AA and pp collisions

doi: 10.1140/epja/i2016-16203-2
Citations: PlumX Metrics


2016LA21      Nucl.Phys. A956, 348 (2016)

R.A.Lacey

Indications for a critical point in the phase diagram for hot and dense nuclear matter

doi: 10.1016/j.nuclphysa.2016.01.032
Citations: PlumX Metrics


2016WE04      Eur.Phys.J. A 52, 102 (2016)

H.-R.Wei, F.-H.Liu, R.A.Lacey

Kinetic freeze-out temperature and flow velocity extracted from transverse momentum spectra of final-state light flavor particles produced in collisions at RHIC and LHC

doi: 10.1140/epja/i2016-16102-6
Citations: PlumX Metrics


2015LA07      Phys.Rev.Lett. 114, 142301 (2015)

R.A.Lacey

Indications for a Critical End Point in the Phase Diagram for Hot and Dense Nuclear Matter

doi: 10.1103/PhysRevLett.114.142301
Citations: PlumX Metrics


2015LI14      Eur.Phys.J. A 51, 43 (2015)

F.H.Liu, H.-R.Wei, R.A.Lacey

Transverse momentum and pseudorapidity distributions of final-state particles and spatial structure pictures of an interacting system in p-Pb collisions at √ SNN = 5.02 TeV

doi: 10.1140/epja/i2015-15043-x
Citations: PlumX Metrics


2014LA05      Phys.Rev.Lett. 112, 082302 (2014)

R.A.Lacey, A.Taranenko, J.Jia, D.Reynolds, N.N.Ajitanand, J.M.Alexander, Y.Gu, A.Mwai

Beam Energy Dependence of the Viscous Damping of Anisotropic Flow in Relativistic Heavy Ion Collisions

doi: 10.1103/PhysRevLett.112.082302
Citations: PlumX Metrics


2011AJ01      Phys.Rev. C 83, 011901 (2011)

N.N.Ajitanand, R.A.Lacey, A.Taranenko, J.M.Alexander

New method for the experimental study of topological effects in the quark-gluon plasma

doi: 10.1103/PhysRevC.83.011901
Citations: PlumX Metrics


2011LA03      Phys.Rev. C 83, 031901 (2011)

R.A.Lacey, A.Taranenko, N.N.Ajitanand, J.M.Alexander

Initial indications for the production of a strongly coupled plasma in Pb+Pb collisions at √ sNN=2.76 TeV

doi: 10.1103/PhysRevC.83.031901
Citations: PlumX Metrics


2011LA07      Phys.Rev. C 83, 044902 (2011)

R.A.Lacey, R.Wei, J.Jia, N.N.Ajitanand, J.M.Alexander, A.Taranenko

Initial eccentricity fluctuations and their relation to higher-order flow harmonics

doi: 10.1103/PhysRevC.83.044902
Citations: PlumX Metrics


2011LA12      Phys.Rev. C 84, 027901 (2011)

R.A.Lacey, R.Wei, N.N.Ajitanand, J.M.Alexander, J.Jia, A.Taranenko

Glauber-based evaluations of the odd moments of the initial eccentricity relative to the even order participant planes

doi: 10.1103/PhysRevC.84.027901
Citations: PlumX Metrics


2010LA03      Phys.Rev. C 81, 061901 (2010)

R.A.Lacey, R.Wei, N.N.Ajitanand, J.M.Alexander, X.Gong, J.Jia, A.Taranenko, R.Pak, H.Stocker

Constraints on models for the initial collision geometry in ultrarelativistic heavy ion collisions

doi: 10.1103/PhysRevC.81.061901
Citations: PlumX Metrics


2010LA13      Phys.Rev. C 82, 034910 (2010)

R.A.Lacey, A.Taranenko, R.Wei, N.N.Ajitanand, J.M.Alexander, J.Jia, R.Pak, D.H.Rischke, D.Teaney, K.Dusling

Azimuthal anisotropy: Transition from hydrodynamic flow to jet suppression

doi: 10.1103/PhysRevC.82.034910
Citations: PlumX Metrics


2009LA19      Phys.Rev.Lett. 103, 142302 (2009)

R.A.Lacey, R.Wei, N.N.Ajitanand, J.M.Alexander, X.Gong, J.Jia, A.Mawi, S.Mohapatra, D.Reynolds, S.Salnikov, A.Taranenko

Energy Loss for Heavy Quarks in Relation to Light Partons: Is Radiative Energy Loss for Heavy Quarks Anomalous?

doi: 10.1103/PhysRevLett.103.142302
Citations: PlumX Metrics


2009LA29      Phys.Rev. C 80, 051901 (2009)

R.A.Lacey, N.N.Ajitanand, J.M.Alexander, X.Gong, J.Jia, A.Taranenko, R.Wei

Scaling patterns of the suppression of π0 yields in Au+Au collisions at √ sNN = 200 GeV: Links to the transport properties of the QGP

doi: 10.1103/PhysRevC.80.051901
Citations: PlumX Metrics


2008CS02      Eur.Phys.J. A 38, 363 (2008)

M.Csanad, T.Csorgo, A.Ster, B.Lorstad, N.N.Ajitanand, J.M.Alexander, P.Chung, W.G.Holzmann, M.Issah, R.A.Lacey

Universal scaling of the elliptic flow data at RHIC

doi: 10.1140/epja/i2008-10681-7
Citations: PlumX Metrics


2007LA05      Phys.Rev.Lett. 98, 092301 (2007)

R.A.Lacey, N.N.Ajitanand, J.M.Alexander, P.Chung, W.G.Holzmann, M.Issah, A.Taranenko, P.Danielewicz, H.Stocker

Has the QCD Critical Point Been Signaled by Observations at the BNL Relativistic Heavy Ion Collider?

NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=200 GeV/nucleon; analyzed elliptic flow, related data; deduced shear viscosity to entropy ratio, possible QCD critical point.

doi: 10.1103/PhysRevLett.98.092301
Citations: PlumX Metrics


2007LA10      Nucl.Phys. A785, 122c (2007)

R.A.Lacey

Is there a Sonic Boom in the Little Bang at RHIC?

NUCLEAR REACTIONS 1H(p, X), 197Au(d, X), (197Au, X), E(cm)=200 GeV/nucleon; analyzed azimuthal correlations, elliptic flow, related data.

doi: 10.1016/j.nuclphysa.2006.11.141
Citations: PlumX Metrics


2006LA31      Nucl.Phys. A774, 199 (2006)

R.A.Lacey

The role of elliptic flow correlations in the discovery of the sQGP at RHIC

NUCLEAR REACTIONS Au(Au, X), E(cm)=0.1-200 GeV/nucleon; 209Bi(209Bi, X), E(cm)=0.4, 0.7, 1.0 GeV/nucleon; Cu(Cu, X), E(cm)=62.4, 200 GeV/nucleon; analyzed elliptic flow, related data. Hydrodynamic model.

doi: 10.1016/j.nuclphysa.2006.06.041
Citations: PlumX Metrics


2005AJ01      Phys.Rev. C 72, 011902 (2005)

N.N.Ajitanand, J.M.Alexander, P.Chung, W.G.Holzmann, M.Issah, R.A.Lacey, A.Shevel, A.Taranenko, P.Danielewicz

Decomposition of harmonic and jet contributions to particle-pair correlations at ultrarelativistic energies

doi: 10.1103/PhysRevC.72.011902
Citations: PlumX Metrics


2004PA22      Phys.Lett. B 595, 158 (2004)

S.Pal, C.M.Ko, J.M.Alexander, P.Chung, R.A.Lacey

Ξ production at AGS energies

NUCLEAR REACTIONS 197Au(197Au, X), E=2-11 GeV/nucleon; calculated Ξ particle yields, centrality dependence, related features. Relativistic transport model, strangeness-exchange reactions, comparison with data.

doi: 10.1016/j.physletb.2004.06.045
Citations: PlumX Metrics


2002LA05      Nucl.Phys. A698, 559c (2002)

R.A.Lacey, for the PHENIX Collaboration

Elliptic Flow Measurements with the PHENIX Detector

NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=130 GeV/nucleon; analyzed two-particle azimuthal correlation functions; deduced elliptic flow features.

doi: 10.1016/S0375-9474(01)01428-2
Citations: PlumX Metrics


2002PI05      Nucl.Phys. A698, 495c (2002)

C.Pinkenburg, N.N.Ajitanand, J.M.Alexander, M.Anderson, D.Best, F.P.Brady, T.Case, W.Caskey, D.Cebra, J.L.Chance, P.Chung, B.Cole, K.Crowe, A.C.Das, J.E.Draper, M.L.Gilkes, S.Gushue, M.Heffner, A.S.Hirsch, E.L.Hjort, L.Huo, M.Justice, M.Kaplan, D.Keane, J.C.Kintner, J.Klay, D.Krofcheck, R.A.Lacey, C.Law, J.Lauret, M.A.Lisa, H.Liu, Y.M.Liu, R.L.McGrath, Z.Milosevich, G.Odyniec, D.L.Olson, S.Panitkin, N.T.Porile, G.Rai, H.G.Ritter, J.L.Romero, R.Scharenberg, L.S.Schroeder, B.Srivastava, N.T.B.Stone, T.J.M.Symons, S.Wang, J.Whitfield, R.Witt, L.Wood, W.N.Zhang

Production and Collective Behavior of Strange Particles in Au + Au Collisions at 2-8A GeV

NUCLEAR REACTIONS 197Au(197Au, X), E=2-8 GeV/nucleon; measured hyperon and kaon yields, sideward flow.

doi: 10.1016/S0375-9474(01)01412-9
Citations: PlumX Metrics


2001CH09      J.Phys.(London) G27, 293 (2001)

P.Chung, J.M.Alexander, N.N.Ajitanand, M.Anderson, D.Best, E.P.Brady, T.Case, W.Caskey, D.Cebra, J.L.Chance, B.Cole, K.Crowe, A.C.Das, J.E.Draper, M.L.Gilkes, S.Gushue, M.Heffner, A.S.Hirsch, E.L.Hjort, L.Huo, M.Justice, M.Kaplan, D.Keane, J.C.Kintner, J.Klay, D.Krofcheck, R.A.Lacey, C.Law, J.Lauret, M.A.Lisa, H.Liu, Y.M.Liu, R.McGrath, Z.Milosevich, G.Odyniec, D.L.Olson, S.Panitkin, C.Pinkenburg, N.T.Porile, G.Rai, H.G.Ritter, J.L.Romero, R.Scharenberg, L.Schroeder, B.Srivastava, N.T.B.Stone, T.J.M.Symons, J.Whitfield, R.Witt, L.Wood, W.N.Zhang

Λ Flow and Λ-P Correlation in Au + Au Collisions at AGS Energies

NUCLEAR REACTIONS 197Au(197Au, X), E=2, 4, 6 GeV/nucleon; measured hyperon transverse and radial flow, hyperon-proton correlations. Comparison with model predictions.

doi: 10.1088/0954-3899/27/3/306
Citations: PlumX Metrics


2000CO20      Phys.Rev. C61, 067602 (2000)

E.Colin, R.Sun, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Nuclear Disassembly in Violent Central Collisions at Intermediate Energies: (65-115)A MeV 40Ar + Cu, Ag, Au

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=65-115 MeV/nucleon; measured fragments multiplicity, velocity, mass distributions; deduced rate of nuclear disassembly.

doi: 10.1103/PhysRevC.61.067602
Citations: PlumX Metrics


2000SU01      Phys.Rev.Lett. 84, 43 (2000)

R.Sun, E.Colin, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Balance of Mass, Momentum, and Energy in Splintering Central Collisions for 40Ar up to 115 MeV/Nucleon

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured fragments mass, charge, multiplicity, momentum, angular distributions. Comparison with statistical model.

doi: 10.1103/PhysRevLett.84.43
Citations: PlumX Metrics


2000SU12      Phys.Rev. C61, 061601 (2000)

R.Sun, E.Colin, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, K.L.Drake, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, L.B.Yang, J.Yee

Isotropic Emission Components in Splintering Central Collisions: (17-115)A MeV 40Ar + Cu, Ag, Au

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured fragments mass and charge distributions, multiplicities, kinetic energy spectra, angular distributions; deduced reaction mechanism features. Sequential evaporation model.

doi: 10.1103/PhysRevC.61.061601
Citations: PlumX Metrics


1999YA16      Phys.Rev. C60, 041602 (1999)

L.B.Yang, E.Norbeck, W.A.Friedman, O.Bjarki, F.D.Ingram, R.A.Lacey, D.J.Magestro, M.L.Miller, A.Nadasen, R.Pak, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, S.J.Yennello

Odd-Even Z Isospin Anomaly in Heavy-Ion Reactions

NUCLEAR REACTIONS 58Fe(58Fe, X), 58Ni(58Ni, X), E=45, 75, 105 MeV/nucleon; measured σ(E, θ), intermediate mass fragments charge, energy distributions; deduced odd-even Z effect in yields vs target and projectile N/Z ratio.

doi: 10.1103/PhysRevC.60.041602
Citations: PlumX Metrics


1998CO03      Phys.Rev. C57, R1032 (1998)

E.Colin, R.Sun, N.N.Ajitanand, J.M.Alexander, M.A.Barton, P.A.DeYoung, A.Elmaani, C.J.Gelderloos, E.E.Gualtieri, D.Guinet, S.Hannuschke, J.A.Jaasma, L.Kowalski, R.A.Lacey, J.Lauret, E.Norbeck, R.Pak, G.F.Peaslee, M.Stern, N.T.B.Stone, S.D.Sundbeck, A.M.Vander Molen, G.D.Westfall, J.Yee

Splintering Central Collisions: Systematics of momentum and energy deposition for (17-115)A MeV 40Ar

NUCLEAR REACTIONS Cu, Ag, 197Au(40Ar, X), E=17-115 MeV/nucleon; measured light, intermediate, heavy fragments velocity, mass, angle, charge distributions; deduced reaction mechanism.

doi: 10.1103/PhysRevC.57.R1032
Citations: PlumX Metrics


1998DA16      Phys.Rev.Lett. 81, 2438 (1998)

P.Danielewicz, R.A.Lacey, P.-B.Gossiaux, C.Pinkenburg, P.Chung, J.M.Alexander, R.L.McGrath

Disappearance of Elliptic Flow: A new probe for the nuclear equation of state

NUCLEAR REACTIONS 197Au(197Au, X), E=1-11 GeV/nucleon; calculated elliptic flow excitation functions; deduced equation of state dependence, possible quark-gluon plasma signal.

doi: 10.1103/PhysRevLett.81.2438
Citations: PlumX Metrics


1997PA12      Phys.Rev.Lett. 78, 1022 (1997)

R.Pak, W.Benenson, O.Bjarki, J.A.Brown, S.A.Hannuschke, R.A.Lacey, B.-A.Li, A.Nadasen, E.Norbeck, P.Pogodin, D.E.Russ, M.Steiner, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, L.B.Yang, S.J.Yennello

Isospin Dependence of Collective Transverse Flow in Nuclear Collisions

NUCLEAR REACTIONS 58Fe(58Mn, X), E=56.6 MeV/nucleon; 58Ni, 58Fe(58Ni, X), (58Fe, X), E=55 MeV/nucleon; measured collective transverse flow; deduced flow variables, nucleon-nucleon collisions elementary aspects models dependence. Transport models.

doi: 10.1103/PhysRevLett.78.1022
Citations: PlumX Metrics


1997PA13      Phys.Rev.Lett. 78, 1026 (1997)

R.Pak, B.-A.Li, W.Benenson, O.Bjarki, J.A.Brown, S.A.Hannuschke, R.A.Lacey, D.J.Magestro, A.Nadasen, E.Norbeck, D.E.Russ, M.Steiner, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, L.B.Yang, S.J.Yennello

Isospin Dependence of the Balance Energy

NUCLEAR REACTIONS 58Fe(58Fe, X), 58Ni(58Ni, X), E ≤ 105 MeV/nucleon; measured transverse flow vs E; deduced balance energy isospin dependence related features. Transport model.

doi: 10.1103/PhysRevLett.78.1026
Citations: PlumX Metrics


1996PA08      Phys.Rev. C53, R1469 (1996)

R.Pak, W.J.Llope, D.Craig, E.E.Gualtieri, S.A.Hannuschke, R.A.Lacey, J.Lauret, A.C.Mignerey, D.E.Russ, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.Yee

Impact Parameter Dependence of the Disappearance of Transverse Flow in Nuclear Collisions

NUCLEAR REACTIONS 45Sc(40Ar, X), E=35-115 MeV/nucleon; measured fragment transverse flow vs E in reaction plane, mean transverse momentum vs rapidity, other aspects; deduced impact parameter dependence features. Quantum molecular dynamics model.

doi: 10.1103/PhysRevC.53.R1469
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1996PA25      Phys.Rev. C54, 1681 (1996)

R.Pak, D.Craig, E.E.Gualtieri, S.A.Hannuschke, R.A.Lacey, J.Lauret, W.J.Llope, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.Yee

Radial Flow in 40Ar + 45Sc Reactions at E = 35-115 MeV/nucleon

NUCLEAR REACTIONS 45Sc(40Ar, X), E=35-115 MeV/nucleon; measured light fragments collective expansion radial flow. Comparison to BUU, WIX model.

doi: 10.1103/PhysRevC.54.1681
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1996PA35      Phys.Rev. C54, 2457 (1996)

R.Pak, O.Bjarki, S.A.Hannuschke, R.A.Lacey, J.Lauret, W.J.Llope, A.Nadasen, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall

Momentum Dependence of the Nuclear Mean Field from Peripheral Heavy-Ion Collisions

NUCLEAR REACTIONS 45Sc(40Ar, X), E=35-155 MeV/nucleon; measured balance energies. Transverse momentum analysis method, comparision to QMD, nuclear mean field.

doi: 10.1103/PhysRevC.54.2457
Citations: PlumX Metrics


1995GE10      Phys.Rev.Lett. 75, 3082 (1995)

C.J.Gelderloos, J.M.Alexander, N.N.Ajitanand, E.Bauge, A.Elmaani, T.Ethvignot, L.Kowalski, R.A.Lacey, M.E.Brandan, A.Giorni, D.Heuer, S.Kox, A.Lleres, A.Menchaca-Rocha, F.Merchez, D.Rebreyend, J.B.Viano, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Time Relationships between Direct Particle Emission and Fragmentation: A probe for nuclear expansion prior to fragment freeze-out

NUCLEAR REACTIONS Ag(40Ar, X), E=34 MeV/nucleon; measured intermediate mass fragment emission time relative to 2H, 3He; deduced prior fragment freeze-out expansion features.

doi: 10.1103/PhysRevLett.75.3082
Citations: PlumX Metrics


1995GE12      Phys.Rev. C52, R2834 (1995)

C.J.Gelderloos, R.Sun, N.N.Ajitanand, J.M.Alexander, E.Bauge, A.Elmaani, T.Ethvignot, R.A.Lacey, M.E.Brandan, A.Giorni, D.Heuer, S.Kox, A.Lleres, A.Menchaca-Rocha, F.Merchez, D.Rebreyend, J.B.Viano, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Emission Times for Energy Selected 1,2,3H Ejectiles from Central Collisions: 1360 MeV 40Ar + Ag

NUCLEAR REACTIONS Ag(40Ar, X), E=1.36 GeV; measured (fragment)(fragment) relative momentum, velocity difference correlations for 1,2,3H ejectiles; deduced emission times, mechanism.

doi: 10.1103/PhysRevC.52.R2834
Citations: PlumX Metrics


1995GU15      Phys.Lett. 357B, 7 (1995)

E.E.Gualtieri, J.Yee, D.Craig, S.Hannuschke, R.A.Lacey, T.Li, W.J.Llope, A.Nadasen, E.Norbeck, R.Pak, N.T.B.Stone, A.M.Vander Molen, J.S.Winfield, G.D.Westfall, S.J.Yennello

Absence of Saturation in Energy Deposition in 40Ar + 232Th Collisions at E = 15-115 A MeV

NUCLEAR REACTIONS 232Th(40Ar, X), (40Ar, F), E=15-115 MeV/nucleon; measured fission, intermediate mass (fragment)(fragment)(θ), light charged particle production; deduced saturation absence in central collisions energy depositions. 4π detector.

doi: 10.1016/0370-2693(95)00901-V
Citations: PlumX Metrics


1995LL01      Phys.Rev. C51, 1325 (1995)

W.J.Llope, J.A.Conrad, C.M.Mader, G.Peilert, W.Bauer, D.Craig, E.Gualtieri, S.Hannuschke, R.A.Lacey, J.Lauret, T.Li, A.Nadasen, E.Norbeck, R.Pak, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.Yee, S.J.Yennello

Autocorrelations and Intermediate-Mass-Fragment Multiplicities in Central Heavy-Ion Collisions

NUCLEAR REACTIONS 27Al(20Ne, X), 45Sc(40Ar, X), 93Nb(84Kr, X), 139La(129Xe, X), E=15-155 MeV/nucleon; measured intermediate mass fragment average multiplicities; deduced model validities, autocorrelating centrality variables.

doi: 10.1103/PhysRevC.51.1325
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1995LL02      Phys.Rev. C52, 1900 (1995)

W.J.Llope, W.Bauer, D.Craig, E.E.Gualtieri, S.Hannuschke, R.A.Lacey, J.Lauret, T.Li, C.M.Mader, A.Nadasen, E.Norbeck, R.Pak, G.Peilert, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.Yee, S.J.Yennello

The Sphericity of Central Heavy-Ion Reactions

NUCLEAR REACTIONS 12C(12C, X), E=155 MeV/nucleon; 27Al(20Ne, X), E=140 MeV/nucleon; 45Sc(40Ar, X), E=115 MeV/nucleon; 93Nb(84Kr, X), E=75 MeV/nucleon; 139La(129Xe, X), E=60 MeV/nucleon; analyzed sphericity data. Dynamic, hybrid models.

doi: 10.1103/PhysRevC.52.1900
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1995LL03      Phys.Rev. C52, 2004 (1995)

W.J.Llope, S.E.Pratt, N.Frazier, R.Pak, D.Craig, E.E.Gualtieri, S.A.Hannuschke, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.Yee, R.A.Lacey, J.Lauret, A.C.Mignerey, D.E.Russ

The Fragment Coalescence Model

NUCLEAR REACTIONS 45Sc(40Ar, X), E=55, 115 MeV/nucleon; measured particle multiplicities; deduced source radii versus the transverse velocity, temperature. Fragment coalescence model.

doi: 10.1103/PhysRevC.52.2004
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1995PA33      Nucl.Phys. A594, 1 (1995)

W.E.Parker, M.Kaplan, D.J.Moses, J.M.Alexander, R.A.Lacey, D.M.de Castro Rizzo, J.Boger, A.Narayanan, G.F.Peaslee, D.G.Popescu

Coincidence Correlations between Light Charged Particles in the Matched Reactions 905 and 1030 MeV 121Sb + 27Al and 550 and 750 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 27Al(121Sb, X), E=905, 1030 MeV; 63Cu(86Kr, X), E=550, 750 MeV; measured energy spectra, angular correlations of α/p in coincidence with α/p; deduced light particle production σ, mean emission chain lengths associated with evaporation residues. Characterized emitters. Comparisons made for matched reactions.

doi: 10.1016/0375-9474(95)00339-3
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1995YE03      Phys.Lett. 356B, 191 (1995)

J.Yee, E.E.Gualtieri, D.Craig, S.A.Hannuschke, T.Li, W.J.Llope, R.Pak, N.T.B.Stone, A.M.Vander Molen, G.D.Westfall, J.S.Winfield, S.J.Yennello, R.A.Lacey, A.Nadasen, E.Norbeck

Tracking Fission-Like Processes in Central Collisions of 40Ar + 232Th; E = 15-115 A MeV

NUCLEAR REACTIONS 232Th(40Ar, X), (40Ar, F), E=15-115 MeV/nucleon; measured fission fragment σ(θ), σ(φ), (fragment)(charged particle)-coin; deduced incomplete fusion followed by fission-like processes evidence.

doi: 10.1016/0370-2693(95)00805-U
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1994BO06      Phys.Rev. C49, 1576 (1994)

J.Boger, J.M.Alexander, G.Auger, A.Elmaani, S.Kox, R.A.Lacey, A.Narayanan, M.Kaplan, D.J.Moses, M.A.McMahan, P.A.DeYoung, C.J.Gelderloos, G.Gilfoyle

Light Charged Particle and Intermediate Mass Fragment Emission in the Reaction 640 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 63Cu(86Kr, X), E=640 MeV; measured inclusive σ(θ, Ep), σ(θ, Ed), σ(θ, Et), σ(θ, Eα), (fragment)(light charged particle)-coin; deduced p-, α-multiplicities, intermediate fragment masses, kinetic energies.

doi: 10.1103/PhysRevC.49.1576
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1994BO07      Phys.Rev. C49, 1587 (1994)

J.Boger, J.M.Alexander, R.A.Lacey, A.Narayanan

Tests for Equilibration of 149Tb(*) Composite Nuclei Produced in the Reactions 337 MeV 40Ar + (nat)Ag and 640 MeV 86Kr + 63Cu

NUCLEAR REACTIONS Ag(40Ar, X), E=337 MeV; 63Cu(86Kr, X), E=640 MeV; analyzed σ, σ(θ(X), E(X)), other data; deduced particle evaporation, fission relative time scale. 149Tb deduced equilibration features.

doi: 10.1103/PhysRevC.49.1587
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1994BO08      Phys.Rev. C49, 1597 (1994)

J.Boger, J.M.Alexander, A.Elmaani, S.Kox, R.A.Lacey, A.Narayanan, D.J.Moses, M.A.McMahan, P.A.DeYoung, C.J.Gelderloos

Intermediate Mass Fragments from the Reactions 486, 550, 640, and 730 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 63Cu(86Kr, X), E=486-730 MeV; measured inclusive σ(θ(X), E(X)); deduced intermediate fragment production mechanism. 149Tb deduced equilibrium occurs prior to fissionlike asymmetry binary breakup.

doi: 10.1103/PhysRevC.49.1597
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1994EL02      Phys.Rev. C49, 284 (1994)

A.Elmaani, J.M.Alexander, N.N.Ajitanand, R.A.Lacey, S.Fox, E.Liatard, F.Merchez, T.Motobayashi, B.Noren, C.Perrin, D.Rebreyend, T.U.Chan, G.Auger, S.Groult

Lifetimes of Well Characterized Hot Nuclei via Small-Angle Particle-Particle Correlations: 40Ar + Ag(E/A = 7.8 and 17 MeV)

NUCLEAR REACTIONS Ag(40Ar, X), E=7.8, 17 MeV/nucleon; measured (particle)(particle)(θ), light charged particle multiplicity; deduced emission source decay T1/2.

doi: 10.1103/PhysRevC.49.284
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1994LA14      Phys.Lett. 327B, 195 (1994)

J.Lauret, R.A.Lacey

Calculated Patterns for Multifragment Reduced Velocity Correlation Functions

NUCLEAR STRUCTURE 131Xe; calculated reduced velocity correlation functions; deduced multi-fragment disassembly probing signatures features. Microcanonical statistical multi-fragmentation model.

doi: 10.1016/0370-2693(94)90717-X
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1994LA29      Phys.Lett. 339B, 22 (1994)

J.Lauret, R.A.Lacey, A.Elmaani, A.Tsepetis, A.Moores, G.D.Westfall, D.Craig, E.Gualtieri, S.Hannuschke, T.Li, W.J.Llope, R.Pak, N.Stone, A.Vander Molen, J.Yee, A.Nadasen, R.S.Tickle, E.Norbeck

High-Order Azimuthal Correlation Functions: Powerful probes for collective motion in heavy ion reactions

NUCLEAR REACTIONS Sc(40Ar, X), E=35-115 MeV/nucleon; measured azimuthal correlation functions; deduced collective motion probing related features.

doi: 10.1016/0370-2693(94)91127-4
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1994PA04      Nucl.Phys. A568, 633 (1994)

W.E.Parker, M.Kaplan, D.J.Moses, J.M.Alexander, J.T.Boger, R.A.Lacey, D.M.de Castro Rizzo

Mechanisms of Light-Charged-Particle Emission in the Matched Reactions 905 and 1030 MeV 121Sb + 27Al and 550 and 750 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 27Al(121Sb, X), E=905, 1030 MeV; 63Cu(86Kr, X), E=550, 750 MeV; measured energy spectra, (αX)-, (pX)-coin; deduced evaporative light particle multiplicities for each emission source, characterized emitters. Matched reactions comparisons.

doi: 10.1016/0375-9474(94)90398-0
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1993BA19      Phys.Rev.Lett. 70, 3705 (1993)

E.Bauge, A.Elmaani, R.A.Lacey, J.Lauret, N.N.Ajitanand, D.Craig, M.Cronqvist, E.Gualtieri, S.Hannuschke, T.Li, B.Llope, T.Reposeur, A.Vander Molen, G.D.Westfall, J.S.Winfield, J.Yee, S.Yennello, A.Nadasen, R.S.Tickle, E.Norbeck

Observation of a Saturation in the Time Scale for Multifragment Emission in Symmetric Heavy-Ion Collisions

NUCLEAR REACTIONS 93Nb(84Kr, X), E=35-75 MeV/nucleon; measured (fragment)(fragment) reduced velocity correlation functions; deduced intermediate mass fragment emission T1/2, time scale saturation.

doi: 10.1103/PhysRevLett.70.3705
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1993EL04      Phys.Rev. C48, 2864 (1993)

A.Elmaani, J.M.Alexander, N.N.Ajitanand, R.A.Lacey, S.Kox, E.Liatard, F.Merchez, T.Motobayashi, B.Noren, C.Perrin, D.Rebreyend, T.U.Chan, G.Auger, S.Groult

Breakup of Intermediate-Mass Fragments, 8Be and 6Li, Formed in the Reaction 40Ar + Ag at 7.8 A and 17 A MeV

NUCLEAR REACTIONS Ag(40Ar, X), E=7.8, 17 MeV/nucleon; measured (light charged particle)(particle)(θ); deduced unstable 8Be, 6Li yields.

doi: 10.1103/PhysRevC.48.2864
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1993LA02      Phys.Rev.Lett. 70, 1224 (1993)

R.A.Lacey, A.Elmaani, J.Lauret, T.Li, W.Bauer, D.Craig, M.Cronqvist, E.Gualtieri, S.Hannuschke, T.Reposeur, A.Vander Molen, G.D.Westfall, W.K.Wilson, J.S.Winfield, J.Lee, S.Yennello, A.Nadasen, R.S.Tickle, E.Norbeck

Multifragment Azimuthal Correlation Functions: Probes from reaction dynamics in collisions of intermediate energy heavy ions

NUCLEAR REACTIONS 45Sc(40Ar, X), E=45 MeV/nucleon; measured (fragment)(fragment)(φ); deduced rotational collective motion, flow dominance, usefulness as reaction dynamics probe.

doi: 10.1103/PhysRevLett.70.1224
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1992ET02      Nucl.Phys. A545, 347c (1992)

T.Ethvignot, N.N.Ajitanand, C.J.Gelderloos, J.M.Alexander, E.Bauge, A.Elmaani, R.A.Lacey, P.Desesquelles, H.Elhage, A.Giorni, D.Heuer, S.Kox, A.Lleres, F.Merchez, C.Morand, D.Rebreyend, P.Stassi, J.B.Viano, F.Benrachi, B.Chambon, B.Cheynis, D.Drain, C.Pastor

Correlations between Pairs and Particles and Fragments from 40Ar Reactions of 7-34 A MeV

NUCLEAR REACTIONS Ag(40Ar, X), E=7-34 MeV/nucleon; measured αα-correlations; deduced composite nucleus formation, decay mechanisms. Recoil model analysis.

doi: 10.1016/0375-9474(92)90475-Y
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