暴涨宇宙学与暗能量中若干问.ppt

Correlationbetweenalpha-decayenergiesofsuperheavynucleiandeffectsofsymmetryenergyOutlineIntroductionandMotivationZ=107–112,cold-fusionreactions,GSI,Darmstadt
S.HofmannandG.Munzenberg,Rev.Mod.Phys.72,733(2000).
Z=113–118,hot-fusionevaporationreactions,JINR-FLNR,Dubna
Yu.Ts.Oganessianetal.,PRC69,021601(R)(2004);PRC70,064609(2004);PRC72,034611(2005);PRC74,044602(2006);PRC76,011601(R)(2007);PRL104,142502(2010).
Othernewsuperheavynuclides:Z=113,Z=114
L.Stavsetraetal.,PRL103,132502(2009)(LBNL,USA)
Ch.E.Dullmannetal.,PRL104,252701(2010).(GSIDarmstadt)
P.A.Ellisonetal.,PRL105,182701(2010).(LBNL,USA)
K.Moritaetal.,J.Phys.Soc.Jpn.73,2593(2004);J.Phys.Soc.Jpn.76,045001(2007)(RIKEN,Japan).

Alpha-decayiscloselyrelatedtonuclearstructureproperties,itmayprovideusefulinformationonnuclearpropertiessuchasgroundstateenergies,shelleffects,……
Alphadecayisthemostefficientapproachtoidentifynewnucleusviatheobservationofalpha-decaychain
Theoretically,oneofthemajorgoalsistopredictreliablythehalf-livesofSHNfortheexperimentaldesign.
ItisextremelyimportantandnecessarytoobtainanaccuratetheoreticalQαvalueforareliablehalf-lifepredictionTheclustermodel
B.Bucketal,PRL72(1994)1326;R.R.Xuetal,PLB72(2006)322
C.Xuetal,PRC73(2006)041301
Thedensity-dependentM3Yeffectiveinteraction
P.R.Chowdhuryetal,PRC77(2008)044603;G.Samantaetal,NPA789(2007)142
G.L.Zhangetal,NPA823(2009)16
Thegeneralizedliqiuddropmodel
G.Royeretal,NPA730(2004)355;J.M.Dongetal,NPA832(2010)198;
H.F.Zhangetal,PRC74(2006)017304;C77(2008)054318
Thecoupledchannelapproach
D.S.Delionetal,PRC73(2006)014315;S.Peltonenetal,PRC75(2007)054301Magicnumbersinsuperheavyregion
–––Modeldependent:Alpha-decayQvaluesofsuperheavynucleiThestandardandaveragedeviationsforthe154heavyandsuperheavynuclei:Onthewhole,theformulaprovidesgoodresultsforZ=117isotopechain.Inordertopredicttheα-decayenergiesofsuperheavynucleimoreaccuracely,anewschemeisproposedaccordingthecorrelationbetweentheα-decayenergiesofsuperheavynucleiCorrelationbetweenalpha-decayenergiesofneighboring③