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Velocity fluctuations of fission fragments



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Llanes Estrada, Felipe José and Martínez Carmona, Belén and Muñoz Martínez, José L. (2016) Velocity fluctuations of fission fragments. International journal of modern physics E - Nuclear physics, 25 (2). ISSN 0218-3013

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Official URL: http://dx.doi.org/10.1142/S0218301316500099


We propose event by event velocity fluctuations of nuclear fission fragments as an additional interesting observable that gives access to the nuclear temperature in an independent way from spectral measurements and relates the diffusion and friction coefficients for the relative fragment coordinate in Kramer-like models (in which some aspects of fission can be understood as the diffusion of a collective variable through a potential barrier). We point out that neutron emission by the heavy fragments can be treated in effective theory if corrections to the velocity distribution are needed.

Item Type:Article
Additional Information:

The work of FJLE relied on the Spanish Excellence Network on Hadronic Physics FIS2014-57026-REDT, and grants UCM:910309, MINECO:FPA2014-53375-C2-1-P. He also thanks the Department of Energy’s Institute for Nuclear Theory at the University of Washington for its partial support and hospitality, particularly George Bertsch for advising on the manuscript.

Uncontrolled Keywords:Nuclear-fission; Diffusion; Energies; Field; GaS.
Subjects:Sciences > Physics > Physics-Mathematical models
ID Code:45091
Deposited On:22 Nov 2017 11:30
Last Modified:11 Dec 2017 11:42

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