Abstract: THE YIELD MEASUREMENT OF THE NEAR-TARGET PRODUCTS FROM THE REACTION OF THE INTERMEDIATE ENERGY~(12)C IONS WITH ~(209)Bi THICK TARGETSLI ZONGWEI；ZHAO ZHIZHENG；YANG WEIFANG；SUN XIURONG；QIN ZHI；YANG YONGFENG；MO WANTONG；XIE XIUJUN；ZHANG LI；PAN QIANGYAN（Institute of Modern Physics,Academia Sinica,Lanzhou,730000）ABSTRACT Average cross-section of near-target products from the reaction of~(12)C＋~(209)Bi at intermediateenergy are measured．Their independent yields are obtained from their cumulative and partialycumulative yields according to the experimental data measured in this work and correction ofmother-daugter decay.The yield distribution curves of Pt， Au and Hg isotopes are constructedand it is found that for the peak positions A＝188．1，190．9 and 195．8，σ_Z＝3．08，2．80 and3. 74，respectively，Averagy production cross-sections are derived from the istopic yield distribu-tion curves for some near-target neutron-rich isotopes.Key words New isotope Intermediate energy nuclear reaction Isotopic distribution