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Abstract
The production cross sections for the synthesis of superheavy elements 284–292Fl (Z = 114) using the fusion reactions 48Ca+236-244Pu were systematically calculated. Using Coulomb and proximity potentials as the interaction barrier, we calculated the capture cross section, probability of CN formation, survival probability of excited compound nuclei, fusion cross section, and evaporation residue (ER) cross section for these reactions at energies near and above the Coulomb barrier. Our calculated ER cross section values for the reactions 48Ca+240Pu→288Fl, 48Ca+242Pu→290Fl and 48Ca+244Pu→292Fl are in excellent agreement with available experimental values. The predicted maximum value of the ER cross section in 2n, 3n, 4n, and 5n channels for all the reactions 48Ca+236–244Pu→284–292Fl are listed. It was found that the reactions 48Ca +243Pu→291Fl and 48Ca +244Pu→292Fl were more favorable with a maximum ER cross section of 6.924 (3n) and 9.033 pb (4n), respectively. Our studies will be useful for future experiments to synthesize the isotopes of element Fl that have not been synthesized so far.
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