Isoscaling and nuclear reaction dynamics

Hannaman, Andrew; McIntosh, Alan; Jedele, Andrea; Abbott, Austin; Gauthier, Jerome; Hagel, Kris; Harvey, Bryan; Kohley, Zach; Lui, Yiu-Wing; McIntosh, Lauren; Rodriguez Manso, Alis; Sorensen, Maxwell; Tobin, Zachary; Wada, Roy; Youngs, Michael; Yennello, Sherry

doi:10.1103/PhysRevC.101.034605

Title: Isoscaling and nuclear reaction dynamics

Journal Article · Mon Mar 09 00:00:00 EDT 2020 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.101.034605· OSTI ID:1603674

^[1]; McIntosh, Alan ^[1]; Jedele, Andrea ^[1]; Abbott, Austin ^[1]; Gauthier, Jerome ^[1]; Hagel, Kris ^[1]; Harvey, Bryan ^[1]; Kohley, Zach ^[1]; Lui, Yiu-Wing ^[1]; McIntosh, Lauren ^[1]; Rodriguez Manso, Alis ^[1]; Sorensen, Maxwell ^[1]; Tobin, Zachary ^[1]; Wada, Roy ^[1]; Youngs, Michael ^[1]; Yennello, Sherry ^[1]

Texas A & M Univ., College Station, TX (United States)

Isoscaling parameters α and β have been explored as a function of breakup angle in binary excited projectile-like fragment decays produced in collisions of ⁷⁰Zn+ ⁷⁰Zn and ⁶⁴Zn+ ⁶⁴Zn at 35 MeV per nucleon. In this analysis, focus was placed on isoscaling the second heaviest fragment with 4 ≤ Z_L ≤ 8 emitted from the excited projectile-like fragment in events that contained a heavy fragment with Z_H ≥ 12. The breakup orientation θ_prox was defined as the angle between the heavy and light fragments’ center-of-mass velocity and the fragment pairs’ relative velocity. Breakups between 0° < θ_prox ≤ 80° have been shown to be dominated by dynamical contributions, while break-up angles of θ_prox > 100° are predominantly statistical. Historically, isoscaling has often been understood and applied in a statistical context, assuming that the fragments are produced after statistical equilibrium is achieved. Finally, studying isoscaling parameters as a function of θ_prox reveals the sensitivity of α and β to the mechanism of fragment production.

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Research Organization:: Texas A & M Univ., College Station, TX (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-93ER40773

OSTI ID:: 1603674

Alternate ID(s):: OSTI ID: 1603813

Journal Information:: Physical Review C, Vol. 101, Issue 3; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 1 work

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References (33)

Isoscaling studies of fission: A sensitive probe into the dynamics of scission Veselsky, M.; Souliotis, G. A.; Jandel, M. Physical Review C, Vol. 69, Issue 4 https://doi.org/10.1103/PhysRevC.69.044607	journal	April 2004
Timescale for equilibration of $N / Z$ gradients in dinuclear systems Brown, K.; Hudan, S.; deSouza, R. T. Physical Review C, Vol. 87, Issue 6 https://doi.org/10.1103/PhysRevC.87.061601	journal	June 2013
Transverse collective flow and midrapidity emission of isotopically identified light charged particles Kohley, Z.; May, L. W.; Wuenschel, S. Physical Review C, Vol. 83, Issue 4 https://doi.org/10.1103/PhysRevC.83.044601	journal	April 2011
Interplay of neutron–proton equilibration and nuclear dynamics McIntosh, Alan B.; Yennello, Sherry J. Progress in Particle and Nuclear Physics, Vol. 108 https://doi.org/10.1016/j.ppnp.2019.06.001	journal	September 2019
Detailed characterization of neutron-proton equilibration in dynamically deformed nuclear systems Rodriguez Manso, A.; McIntosh, A. B.; Jedele, A. Physical Review C, Vol. 95, Issue 4 https://doi.org/10.1103/PhysRevC.95.044604	journal	April 2017
Clustered and neutron-rich low density “neck” region produced in heavy-ion collisions Sobotka, L. G.; Dempsey, J. F.; Charity, R. J. Physical Review C, Vol. 55, Issue 4 https://doi.org/10.1103/PhysRevC.55.2109	journal	April 1997
Dynamical aspects of isoscaling Dorso, C. O.; Escudero, C. R.; Ison, M. Physical Review C, Vol. 73, Issue 4 https://doi.org/10.1103/PhysRevC.73.044601	journal	April 2006
Isoscaling and the nuclear EoS Dorso, C. A.; Molinelli, P. A. Giménez; López, J. A. Journal of Physics G: Nuclear and Particle Physics, Vol. 38, Issue 11 https://doi.org/10.1088/0954-3899/38/11/115101	journal	September 2011
Observation of different isoscaling behavior between emitted fragments and residues Youngs, M.; McIntosh, A. B.; Hagel, K. Nuclear Physics A, Vol. 962 https://doi.org/10.1016/j.nuclphysa.2017.03.009	journal	June 2017
Characterizing Neutron-Proton Equilibration in Nuclear Reactions with Subzeptosecond Resolution Jedele, A.; McIntosh, A. B.; Hagel, K. Physical Review Letters, Vol. 118, Issue 6 https://doi.org/10.1103/PhysRevLett.118.062501	journal	February 2017
Symmetry energy dependence of long-timescale isospin transport Stiefel, K.; Kohley, Z.; deSouza, R. T. Physical Review C, Vol. 90, Issue 6 https://doi.org/10.1103/PhysRevC.90.061605	journal	December 2014
Novel determination of density, temperature, and symmetry energy for nuclear multifragmentation through primary fragment-yield reconstruction Lin, W.; Liu, X.; Rodrigues, M. R. D. Physical Review C, Vol. 89, Issue 2 https://doi.org/10.1103/PhysRevC.89.021601	journal	February 2014
Isotopic yields and isoscaling in fission Friedman, W. A. Physical Review C, Vol. 69, Issue 3 https://doi.org/10.1103/PhysRevC.69.031601	journal	March 2004
Probing the density dependence of the symmetry energy via multifragmentation at subsaturation densities Kumar, Sanjeev; Ma, Y. G.; Zhang, G. Q. Physical Review C, Vol. 84, Issue 4 https://doi.org/10.1103/PhysRevC.84.044620	journal	October 2011
Tracking saddle-to-scission dynamics using $N / Z$ in projectile breakup reactions Hudan, S.; McIntosh, A. B.; de Souza, R. T. Physical Review C, Vol. 86, Issue 2 https://doi.org/10.1103/PhysRevC.86.021603	journal	August 2012
Correlations with projectile-like fragments and emission order of light charged particles Kohley, Z.; Bonasera, A.; Galanopoulos, S. Physical Review C, Vol. 86, Issue 4 https://doi.org/10.1103/PhysRevC.86.044605	journal	October 2012
NeutronSTARS: A segmented neutron and charged particle detector for low-energy reaction studies Akindele, O. A.; Casperson, R. J.; Wang, B. S. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 872 https://doi.org/10.1016/j.nima.2017.07.069	journal	November 2017
A flexible 4π neutron detector for in-beam studies: the Texas A&M neutron ball Schmitt, R. P.; Cooke, L.; Derrig, G. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 354, Issue 2-3 https://doi.org/10.1016/0168-9002(94)01029-3	journal	January 1995
NIMROD–ISiS, a versatile tool for studying the isotopic degree of freedom in heavy ion collisions Wuenschel, S.; Hagel, K.; Wada, R. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 604, Issue 3 https://doi.org/10.1016/j.nima.2009.03.187	journal	June 2009
Reconstructed primary fragments and symmetry energy, temperature and density of the fragmenting source in ${}^{64}{Zn} + {}^{112}{Sn}$ at $40 MeV / nucleon$ Liu, X.; Lin, W.; Wada, R. Nuclear Physics A, Vol. 933 https://doi.org/10.1016/j.nuclphysa.2014.09.077	journal	January 2015
Isoscaling in light-ion induced reactions and its statistical interpretation Botvina, A. S.; Lozhkin, O. V.; Trautmann, W. Physical Review C, Vol. 65, Issue 4 https://doi.org/10.1103/PhysRevC.65.044610	journal	March 2002
Isotopic Scaling and the Symmetry Energy in Spectator Fragmentation Le Fèvre, A.; Auger, G.; Begemann-Blaich, M. L. Physical Review Letters, Vol. 94, Issue 16 https://doi.org/10.1103/PhysRevLett.94.162701	journal	April 2005
Fragment isotope distributions and the isospin dependent equation of state Tan, W. P.; Li, B. -A.; Donangelo, R. Physical Review C, Vol. 64, Issue 5 https://doi.org/10.1103/PhysRevC.64.051901	journal	September 2001
Isotopic scaling of heavy projectile residues from the collisions of $25 M e V / n u c l e o n^{86} Kr$ with $^{124} Sn,$ $^{112} Sn$ and $^{64} Ni,$ $^{58} Ni$ Souliotis, G. A.; Shetty, D. V.; Veselsky, M. Physical Review C, Vol. 68, Issue 2 https://doi.org/10.1103/PhysRevC.68.024605	journal	August 2003
Isotope yields from central ${}^{112, 124}{Sn} + {}^{112, 124}{Sn}$ collisions: Dynamical emission? Liu, T. X.; van Goethem, M. J.; Liu, X. D. Physical Review C, Vol. 69, Issue 1 https://doi.org/10.1103/PhysRevC.69.014603	journal	January 2004
Isotopic Scaling in Nuclear Reactions Tsang, M. B.; Friedman, W. A.; Gelbke, C. K. Physical Review Letters, Vol. 86, Issue 22 https://doi.org/10.1103/PhysRevLett.86.5023	journal	May 2001
Geometrical aspects of isoscaling Dávila, A.; Escudero, C. R.; López, J. A. Physica A: Statistical Mechanics and its Applications, Vol. 374, Issue 2 https://doi.org/10.1016/j.physa.2006.07.049	journal	February 2007
Probing the symmetry energy from the nuclear isoscaling Souza, S. R.; Tsang, M. B.; Donangelo, R. Physical Review C, Vol. 78, Issue 1 https://doi.org/10.1103/PhysRevC.78.014605	journal	July 2008
Isoscaling in central 124Sn+64Ni, 112Sn+58Ni collisions at 35 AMeV Geraci, E.; Bruno, M.; D'Agostino, M. Nuclear Physics A, Vol. 732 https://doi.org/10.1016/j.nuclphysa.2003.11.055	journal	February 2004
Isospin fractionation and isoscaling in dynamical simulations of nuclear collisions Ono, Akira; Danielewicz, P.; Friedman, W. A. Physical Review C, Vol. 68, Issue 5 https://doi.org/10.1103/PhysRevC.68.051601	journal	November 2003
Isospin Fractionation in Nuclear Multifragmentation Xu, H. S.; Tsang, M. B.; Liu, T. X. Physical Review Letters, Vol. 85, Issue 4 https://doi.org/10.1103/PhysRevLett.85.716	journal	July 2000
Timescale for isospin equilibration in projectile breakup Hudan, S.; deSouza, R. T. The European Physical Journal A, Vol. 50, Issue 2 https://doi.org/10.1140/epja/i2014-14036-7	journal	February 2014
Density dependence of the symmetry energy and the nuclear equation of state: A dynamical and statistical model perspective Shetty, D. V.; Yennello, S. J.; Souliotis, G. A. Physical Review C, Vol. 76, Issue 2 https://doi.org/10.1103/PhysRevC.76.024606	journal	August 2007

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