A new approach to heavy-ion fusion

Giordano, R.; Sambataro, S.; Scalia, A.; Porto, F.; Figuera, P.; Pirrone, S.

doi:10.1007/bf02902619

Cited by 10 publications

(33 citation statements)

References 33 publications

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“…5 Regarding the 14 N+ 12 C system, we remind the reader that in their study of the fusion excitation function for 54 individual fusion reactions in the σ F vs. 1/Ec.m. representation Giordano et al [8] have achieved very satisfactory fit to all reactions over the whole available data set except for the portion of the 14 N+ 12 C [18,19] data with Ec.m./A > 1.8 MeV/nucleon (cf. in fig.…”

Section: Data Setmentioning

confidence: 96%

“…-Since mid-seventies of the last century it is consensual that heavy-ion fusion reaction as a function of the center-of-mass energy passes through three distinct regions, that of rising (I), stagnating (II), and falling (III) cross sections, respectively. At low energies, the regions I and II have been systematically studied by confronting models with a myriad of experimental data [1][2][3][4][5][6][7][8][9][10]. In the region III, the incomplete fusion (IF) reaction mechanism opens and increasingly competes with the complete fusion (CF).…”

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confidence: 99%

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Towards a unified description of evaporation-residue fusion cross-sections above the barrier

Eudes¹,

Basrak²,

Sébille³

et al. 2013

EPL

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PACS 25.70.Jj -Fusion and fusion-fission reactions PACS 25.70. -z -Low and intermediate energy heavy-ion reactionsAbstract -A meticulous study of nearly 300 fusion-evaporation cross section data reveals that, when properly scaled, fusion excitation function complies with a universal homographic law which is, within experimental errors, reaction system independent. From a such complete and summed complete and incomplete fusion excitation functions extracted are the limiting energy for the complete fusion and the main characteristics (onset, maximum and vanishing) of the incomplete fusion. The DYWAN microscopic transport model correctly predicts the incomplete fusion cross section for incident energies 15A MeV and suggests that the nuclear transparency is at the origin of fusion disappearance.

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Section: Data Setmentioning

confidence: 96%

mentioning

confidence: 99%

Towards a unified description of evaporation-residue fusion cross-sections above the barrier

Eudes¹,

Basrak²,

Sébille³

et al. 2013

EPL

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“…Finally, we note that in their study of the fusion excitation function for 54 individual fusion reactions in the σ fus vs 1/E c.m. representation Giordano et al [9] have achieved very satisfactory fit to all reactions over the whole available data set except for the portion of the 14 N + 12 C [25,26] data with E c.m. /A tot > 1.8 MeV/nucleon (cf.…”

Section: B Scaling Of Cross Sectionmentioning

confidence: 90%

“…Since the 1970s these data have been subjected to several systematics aimed at confronting specific theoretical models with the available data [1][2][3][4][5][6][7][8][9][10][11]. In these two regions only complete fusion (CF) takes place.…”

Section: Introductionmentioning

confidence: 99%

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Comprehensive analysis of fusion data well above the barrier

et al. 2014

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International audienceWe report on the comprehensive systematics of nearly 400 fusion-evaporation and/or fusion-fission cross-section data for a very large variety of systems over an energy range ∼3A to 155A MeV. Scaled by the reaction cross section and expressed as a function of the center-of-mass energy per nucleon, the fusion cross section displays a universal behavior. Within experimental errors, this behavior does not depend on system mass, mass asymmetry, or system isospin. The deduced homographic functional dependence for complete and summed complete and incomplete fusion excitation functions is derived from basic strong absorption model formulas for reaction cross sections and allows us to draw the main properties of these functions. The limiting energy for the complete fusion and the main characteristics (onset, maximum, and extinction) of the incomplete fusion excitation functions are determined. The complete fusion reaction process disappears around 6.5 MeV/nucleon and the incomplete one disappears at about 13 MeV/nucleon in the center-of-mass frame. The regularity in fusion data is particularly obvious for the evaporation-residue subset of the data ensemble. Adding the fusion-fission data component does not alter the general data trend but somewhat obscures it owing to the larger uncertainty and/or possible normalization problems

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