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1、Quest for chirality in 107Ag,He Chuangye,第十三届全国核结构研讨会 赤峰 2010.7.25-31,outline,Cs, La, Pr, Pm, Eu. Odd-odd nuclei More than 20 expmples in A130 mass region,Introduction,A110 mass region Odd-odd Tc,Rh,Ag 6 examples pgg/2nh11/2 Hole state: pg9/2,Introduction,2006Y, 106Ag 11B+100MoCIAE,Joshi P et al., P
2、RL, 2007, 98: 102501 Not good chiral bands,107Ag Intreasting case Good candidate of chirality?,Previous experimental results of 107Ag,Company Logo,Dan Jerrestam et al., 94Zr(17O,1p3n)107Ag, Nucl.Phys.A 577 (1994) 786-812, 80 MeV,100Mo(11B,4n)107AgCIAE, HI-13Tandem accelerator100Mo1.57mg/cm2，Au 8.03m
3、g/cm2,Experiment details of 107Ag,Beam energy :60 MeV,Company Logo,,Gamma Detection Array in CIAE: 10 HPGe-BGOs, 2 planar and 1 Clover detector,Experimental results-Total Projection,Company Logo,Total projection,Gate by 312keV,2108 - events,E-E and DCO ratio matrix,865,1062,1095,1307,312,107Ag,Exper
4、imental results -Intensity and DCO ratio,Total efficency,Efficency at 37,Efficency at 90,New level scheme of 107Ag,Discussion,Company Logo,PHYSICAL REVIEW C 76, 024307 (2007),105Ag,107Ag,Discussion- woods saxon nilsson diagram,Company Logo,Discussion,105Ag TAC: 20.19 24 A. Y. Deo et al., Phys.Rev.C
5、73, 034313 (2006),105Rh TRS J. A. Alcntara-Nez et al., Phys.Rev.C 69, 024317 (2004),Discussion,104Rh: PRL.92(2004),032501,Near degeneracy level energyS(I) smooth changing with spin；staggering in the B(M1)/B(E2)ratios,Identical or similar Alignment Moment of inertia,Discussion,Discussion,Near degnera
6、cy level energy,S(I) smooth changing with I,Staggering in B(M1)/B(E2),Band 3 and band 4 in 107Ag are suggested as chiral bands,Similar aligned angular momenta,Close in moment of inertia,Conclusion,A new level scheme of 107Ag are establishedBand 3 and band 4 are suggested as chiral bands,Happy New Year!,Thank You !,PHYSICAL REVIEW C 76, 024307 (2007),,PHYSICAL REVIEW C 76, 024307 (2007),105Ag,Company Logo,,T. Koike, K. Starosta, and I. Hamamoto, Phys. Rev. Lett. 93, 172502 (2004),
