Formation and distribution of fragments in the spontaneous fission of 240Pu

Sadhukhan, Jhilam; Zhang, Chunli; Nazarewicz, Witold; Schunck, Nicolas

doi:10.1103/PhysRevC.96.061301

Title: Formation and distribution of fragments in the spontaneous fission of $^{240} Pu$

Abstract

Fission is a fundamental decay mode of heavy atomic nuclei. The prevalent theoretical approach is based on mean-field theory and its extensions where fission is modeled as a large amplitude motion of a nucleus in a multidimensional collective space. Here, one of the important observables characterizing fission is the charge and mass distribution of fission fragments.

Authors:

Sadhukhan, Jhilam ^[1]; Zhang, Chunli ^[2]; Nazarewicz, Witold ^[3]; Schunck, Nicolas ^[4]

Variable Energy Cyclotron Centre, Kolkata (India). Physics Group; Homi Bhabha National Inst., Mumbai (India). BARC Training School Complex; Michigan State Univ., East Lansing, MI (United States). NSCL/FRIB Lab.
Michigan State Univ., East Lansing, MI (United States). NSCL/FRIB Lab.
Michigan State Univ., East Lansing, MI (United States). FRIB Lab., Dept. of Physics and Astronomy
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear and Chemical Science Division

Publication Date:: 2017-12-18

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Michigan State Univ., East Lansing, MI (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC); USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1435755

Alternate Identifier(s):: OSTI ID: 1413814; OSTI ID: 1438733

Report Number(s):: LLNL-JRNL-745894
Journal ID: ISSN 2469-9985; PRVCAN

Grant/Contract Number:: NA0002847; NA0002574; SC0008511; AC52-07NA27344

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 96; Journal Issue: 6; Journal ID: ISSN 2469-9985

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Sadhukhan, Jhilam, Zhang, Chunli, Nazarewicz, Witold, and Schunck, Nicolas. Formation and distribution of fragments in the spontaneous fission of 240Pu.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevC.96.061301.

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                    Sadhukhan, Jhilam, Zhang, Chunli, Nazarewicz, Witold, & Schunck, Nicolas. Formation and distribution of fragments in the spontaneous fission of 240Pu.  United States.  https://doi.org/10.1103/PhysRevC.96.061301

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                    Sadhukhan, Jhilam, Zhang, Chunli, Nazarewicz, Witold, and Schunck, Nicolas. Mon .  
"Formation and distribution of fragments in the spontaneous fission of 240Pu".  United States.  https://doi.org/10.1103/PhysRevC.96.061301.  https://www.osti.gov/servlets/purl/1435755.

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@article{osti_1435755,

  title        = {Formation and distribution of fragments in the spontaneous fission of 240Pu},

  author       = {Sadhukhan, Jhilam and Zhang, Chunli and Nazarewicz, Witold and Schunck, Nicolas},

  abstractNote = {Fission is a fundamental decay mode of heavy atomic nuclei. The prevalent theoretical approach is based on mean-field theory and its extensions where fission is modeled as a large amplitude motion of a nucleus in a multidimensional collective space. Here, one of the important observables characterizing fission is the charge and mass distribution of fission fragments.},

  doi          = {10.1103/PhysRevC.96.061301},

  journal      = {Physical Review C},

  number       = 6,

  volume       = 96,

  place        = {United States},

  year         = {2017},

  month        = {12}

}

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https://doi.org/10.1103/PhysRevC.96.061301

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Cited by: 7 works

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Figures / Tables:

FIG. 1: Top: the density of Langevin trajectories and the corresponding EFPs on the two-dimensional PES in the (Q₂₀;Q₃₀) plane. The outer turning-point line (OTL) and the scission line are shown by dashed and dash-dotted lines, respectively. Bottom: Eleven EFPs considered in this work.

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Title: Formation and distribution of fragments in the spontaneous fission of 240 Pu

Abstract

Citation Formats

Figures / Tables:

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Fission modes of mercury isotopes journal, August 2012

A Stochastic Mean-Field Approach For Nuclear Dynamics text, January 2007

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Spontaneous fission modes and lifetimes of super-heavy elements in the nuclear density functional theory text, January 2012

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Microscopic Theory of Nuclear Fission: A Review text, January 2015

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Evolution of the Reactor Antineutrino Flux and Spectrum at Daya Bay text, January 2017

Impact of pear-shaped fission fragments on mass-asymmetric fission in actinides journal, December 2018

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Title: Formation and distribution of fragments in the spontaneous fission of $^{240} Pu$

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Dynamical scission model
journal, July 2013

Calculated fission-fragment yield systematics in the region $74 \leq Z \leq 94$ and $90 \leq N \leq 150$
journal, April 2015

The double-humped fission barrier
journal, October 1980

Induced Fission of ${}^{240}{Pu}$ within a Real-Time Microscopic Framework
journal, March 2016

Super-heavy element research
journal, February 2015

Fission fragment distributions within dynamical approach
journal, April 2017

Microscopic calculation of ${}^{240}{Pu}$ scission with a finite-range effective force
journal, November 2009

Fission properties of the Barcelona-Catania-Paris-Madrid energy density functional
journal, November 2013

Localization in light nuclei
journal, March 2011

Formation and dynamics of fission fragments
journal, March 2014

Nuclear Scission and Quantum Localization
journal, September 2011

Dissipative diabatic dynamics: A shell-model approach to large-amplitude collective nuclear motion
journal, November 1983

Rupture of the neck in nuclear fission
journal, November 1977

A stochastic mean-field approach for nuclear dynamics
journal, January 2008

Dynamic versus static fission paths with realistic interactions
journal, November 2014

On stochastic approaches of nuclear dynamics
journal, October 1996

Spontaneous fission modes and lifetimes of superheavy elements in the nuclear density functional theory
journal, February 2013

The role of fission in the r-process
journal, July 2007

Langevin Approach to Nuclear Dissipative Dynamics
journal, August 1986

Nuclear scission
journal, December 1990

The role of neck degree of freedom in nuclear fission
journal, August 2008

Nucleon localization and fragment formation in nuclear fission
journal, December 2016

Fission modes of mercury isotopes
journal, August 2012

A Stochastic Mean-Field Approach For Nuclear Dynamics
text, January 2007

Localization in light nuclei
text, January 2010

Fission modes of mercury isotopes
text, January 2012

Spontaneous fission modes and lifetimes of super-heavy elements in the nuclear density functional theory
text, January 2012

Description of Induced Nuclear Fission with Skyrme Energy Functionals: I. Static Potential Energy Surfaces and Fission Fragment Properties
text, January 2013

New fission fragment distributions and r-process origin of the rare-earth elements
text, January 2013

Fission fragment mass yield deduced from density distribution in the pre-scission configuration
preprint, January 2015

Collective aspects deduced from time-dependent microscopic mean-field with pairing: application to the fission process
text, January 2015

Microscopic Theory of Nuclear Fission: A Review
text, January 2015

Nucleon localization and fragment formation in nuclear fission
text, January 2016

Evolution of the Reactor Antineutrino Flux and Spectrum at Daya Bay
text, January 2017

Impact of pear-shaped fission fragments on mass-asymmetric fission in actinides
journal, December 2018

r -process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos
journal, July 2019

Review on the progress in nuclear fission—experimental methods and theoretical descriptions
journal, September 2018

Unitary evolution with fluctuations and dissipation
journal, July 2019

Fission dynamics of ${}^{240}{Pu}$ from saddle to scission and beyond
journal, September 2019

Effect of shell structure on the fission of sub-lead nuclei
journal, October 2019

Scission dynamics with $K$ partitions
journal, June 2018

Scission Dynamics with K Partitions
text, January 2018