1、Systematic study of fusion reactions leading to super-heavy nucleiNing WangGuangxi Normal Universitywww.ImQMD.com/wangning/BLTP/JINR-KLFTP/CAS Joint Workshop on Nuclear Physics, Aug. 2-6, 2012, Dubna1. Introduction2. capture cross sections3. Survival probablity Wsur4. Fusion probabilty PCN5. Conclus
2、ionI. Capture cross sections with the Skyrme energy-density functionalDensity distributions of the reaction partnersEntrance-channel fusion barrierFusion cross sectionsSkyrme energy-density functionalBarrier penetration & empirical fusion barrier distribution D(B)M. Liu, N. Wang, Z. Li, X. Wu and E.
3、 Zhao, Nucl. Phys. A 768 (2006) 80Ning Wang, et al., Phys. Rev. C 74 (2006) 044604Woods-Saxon form for densitiesSearch for the minimum of energy by varying densities (R0p, R0n, ap, an)according to Hohenberg-Kohn theorem1. Determination of density distributionsE1 E2Sudden approximation for densityRV.
4、Yu. Denisov and W. Noerenberg,Eur. Phys. J. A15, 375 (2002).2. Entrance-channel fusion barrier3. Fusion (capture) cross sectionwithD(B) considers the coupling between the relative motion and other degrees of freedom such as dyn. deform. etc.16O+208Pb, E=80MeV, ImQMDfor reactions with nuclei near the beta-stability line but the neutron-shell is not closedThe fusion excitation functions for a series of reactions with 16O bombarding on medium mass targets.Wang et al. Sci China G 52, 1554 (2009)
