An application of SSNTD to nuclear physics: Multiprong events in heavy ion reactions due to multiple sequential fission

Brandt, R.; Gottschalk, P.A.; Vater, P.

doi:10.1016/0029-554x(80)90574-1

Cited by 24 publications

(4 citation statements)

References 5 publications

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“…Comparing the final masses of our five-pronged event with the event found in [16] we obtained very similar results. This leads to the assumption of a selective asymmetric decay channel for the production of such high-multiplicity events.…”

Section: Simulation Of Experimental Uncertaintiessupporting

confidence: 86%

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Fragment correlations in the reaction 9.03 MeV/u238U+natU

et al. 1984

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Kinematically almost complete correlation studies on heavy fragments in the reaction 9.03 MeViu 238U + "atu were performed using metaphosphate-glass detectors in a 2~z-geometry technique. Absolute data for the total reaction cross-section and the partial cross-sections for the three-, four-, and five-body reaction channels were measured. The tracks of correlated particles were measured and converted into masses and energies. The reaction mechanism of each individual event was studied in terms of the separation velocities of correlated fragment pairs. Sequential fission following inelastic collision is found to account for all analysed events with more than two heavy nuclei in the exit channel. The masses, scattering angles, and energies of the first reaction step were reconstructed event by event.

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Section: Simulation Of Experimental Uncertaintiessupporting

confidence: 86%

“…are shown in Fig. 12 together with data of a similar five-pronged event which was found in the U + U reaction at 7.5 MeV/u by Brandt et al [16]. The asymmetry parameter has been calculated for the different reaction steps and has been plotted as a function of the mass of the intermediate system.…”

Section: Simulation Of Experimental Uncertaintiesmentioning

confidence: 98%

Fragment correlations in the reaction 9.03 MeV/u238U+natU

et al. 1984

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“…This quantity corresponds to the Coulomb repulsion The relative velocity of 2.4 cm/ns is the signature of the fission mechanism[14,22]. In the present study the values of v ij calculated…”

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confidence: 65%

True ternary fission in high energy proton reactions with 238U and 207Pb

Zamani

Debeauvais

2019

hnps

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A re-evaluation of ternary fission data collected in previous experiments of high energy proton reactions with 238U and 207Pb targets was made. The analysis of fragment mass distributions, fission fragment relative velocities and the kinetic energies of fragments permit to classify most of them as almost true ternary fission events. At the higher energies studied a percentage of 5% and about 2% for 238U and 207Pb respectively, present three equal masses and are events which belong to true ternary fission.

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“…-Two-pronged events corresponding to elastic (or quasi-elastic) scattering of uranium on the target nuclei (U, Pb, Au); -Threeand even four-, five-, and six-pronged events in correlation and corresponding to sequential fissions [2][3][4] of the scattered and/or recoil ions.…”

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confidence: 99%