6533b86ffe1ef96bd12cdb7e

RESEARCH PRODUCT

Attempts to Produce Superheavy Elements by Fusion ofCa48withCm248in the Bombarding Energy Range of 4.5-5.2 MeV/u

F. P. HessbergerD VermeulenP. ArmbrusterKenneth E. GregorichJ.-p. DufourC. FrinkAlbert GhiorsoY. K. AgarwalGünter HerrmannS. HofmannW.r. DanielsVon Gunten HrVon Gunten HrM. M. FowlerH DornhöferW. BrüchleJ. R. H. SchneiderMatthias SchädelN. GreulichM. BrüggerH. GäggelerP. A. WilmarthW. F. W. SchneiderK. SümmererDarleane C. HoffmanGlenn T. SeaborgW. ReisdorfRobert B. WelchK.-h. SchmidtS. YashitaM. E. LeinoN TrautmanN. HildebrandK PoppensiekerAg WirthJens Volker KratzDiana LeeG. MünzenbergP LemmertzU. HickmannK. J. Moody

subject

PhysicsNuclear reactionRange (particle radiation)010308 nuclear & particles physicsNuclear TheoryGeneral Physics and AstronomyOrder (ring theory)7. Clean energy01 natural sciencesIonNuclear physics0103 physical sciencesNuclear fusionProduction (computer science)Atomic physicsNuclear Experiment010306 general physicsExcitationEnergy (signal processing)

description

A search for superheavy elements was made in bombardments of $^{248}\mathrm{Cm}$ with $^{48}\mathrm{Ca}$ ions performed at projectile energies close to the interaction barrier in order to keep the excitation energy of the compound nucleus $Z=116$, $A=296$ as low as possible. No evidence for superheavy nuclei was obtained in a half-life region from 1 \ensuremath{\mu}s to 10 yr with a production cross section greater than ${10}^{\ensuremath{-}34}$ to ${10}^{\ensuremath{-}35}$ ${\mathrm{cm}}^{2}$.

https://doi.org/10.1103/physrevlett.54.406