中国高能物理学会第九届全国学术年会

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1、中国高能物理学会第九届全国学术年会NingBoChang(畅宁波)CCNUWeiTianDeng,XinNianWang.PRC89,034911(2014)Outline•ModifiedDGLAPequations•Threemodelsofinitialconditions•ApplicationinDIS•Conclusion2High-twistmDGLAPResummultiplescatteringandinducedgluonradiations.∂Dzh(,)µ221zzqh=αµs()dzγ

2、µ(,zz22)DDhh(,)hhµµ22+γµ(,)(,)2∫q→→qgqgqgq∂lnµπ2zzzzh∂Dzh(,)µ2212nfzzghαs()µdz22hhhh222=∫∑γµg→→qq(,)zzDq(,)µµ+γµggg(,)Dg(,)∂lnµπ2zzq=1zzh22γγ(,)zl=γ(z)+∆(,zl)a→→bcTa→bcabcTX.F.GuoandX.N.WangnumericallyPhys.Rev.Lett.85,3591(2000)h2h2B.W.Zhang

3、andX.N.WangDzQ(,)DzQ(,)3q0qNucl.Phys.A720,429(2003)Vacuuminitialcondition22DQ()()=DQ004Evolvedinitialcondition22HKNµ=0DQ()0parameterization222γγ(,)zl=∆(,zl),()αα=QTTss022222µ=QDQ()()=DQ+∆DQ()000022γγγ(,)zl=(z)+∆(,)zlTT2ααµ=()ss222µ=QDQ()W.T.DengandX.N.Wan

4、g5Phys.Rev.C81(2010)024902ConvolutedinitialconditionASWPRL.89.092303BDMPSJHEP09(2001)033GLVPLB.89,0923036WhyPossionconvolution7Convolutedinitialcondition:momentumconservation89Compareinitialconditionsin‘brick’E=20GeVqhat=0.1GeV2/fmL=4fm10ApplicationinDIS1112131

5、4χ2/...ofdofConvolutedh2R(z,E,Q)-zAEvolvedVacuum1516χ2/...ofdofConvolutedh2R(z,E,Q)-EAEvolvedVacuum172χ/...ofdofConvolutedh22R(z,E,Q)-QAEvolved1819CombinedConvoluted2χ/...dofEvolvedVacuum20Conclusion•WeproposeaconvolutedinitialconditionwhichcandescribetheHERMES

6、databetter.•Itwillbeemployedintheprocessofheavyioncollisions.21Conclusion•WeproposeaconvolutedinitialconditionwhichcandescribetheHERMESdatabetter.•Itwillbeemployedintheprocessofheavyioncollisions.Thanksforyourattention!22