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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52982


    Title: Study of the K(+) pi(+) pi(-) final state in B(+) -> J/psi K(+) pi(+) pi(-) and B(+) -> psi ' K(+) pi(+) pi(-)
    Authors: Guler,H;Aihara,H;Arinstein,K;Aulchenko,V;Aushev,T;Bakich,AM;Balagura,V;Barberio,E;Belous,K;Bhardwaj,V;Bischofberger,M;Bozek,A;Bracko,M;Browder,TE;Chang,P;Chao,Y;Chen,A;Chen,P;Cheon,BG;Cho,K;Choi,SK;Choi,Y;Dalseno,J;Dolezal,Z;Drasal,Z;Drutskoy,A;Dungel,W;Eidelman,S;Esen,S;Ha,H;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hyun,HJ;Inami,K;Itoh,R;Iwabuchi,M;Joshi,NJ;Julius,T;Kang,JH;Katayama,N;Kawasaki,T;Kim,HJ;Kim,HO;Kim,JH;Kim,MJ;Kim,YJ;Kinoshita,K;Ko,BR;Kodys,P;Krokovny,P;Kumita,T;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lee,MJ;Lee,SH;Li,J;Liu,C;Liventsev,D;Louvot,R;MacNaughton,J;Marlow,D;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mizuk,R;Mohanty,GB;Mori,T;Nakao,M;Natkaniec,Z;Nishida,S;Nishimura,K;Nitoh,O;Ogawa,S;Okuno,S;Olsen,SL;Pakhlov,P;Park,CW;Park,H;Park,HK;Pestotnik,R;Petric,M;Piilonen,LE;Poluektov,A;Ryu,S;Sahoo,H;Sakai,Y;Schneider,O;Senyo,K;Sevior,ME;Shapkin,M;Shen,CP;Shiu,JG;Smerkol,P;Stanic,S;Staric,M;Sumisawa,K;Sumiyoshi,T;Teramoto,Y;Trabelsi,K;Uehara,S;Unno,Y;Uno,S;Varner,G;Wang,CH;Wang,MZ;Watanabe,M;Watanabe,Y;Williams,KM;Won,E;Yamashita,Y;Zhang,ZP;Zhilich,V;Zhou,P;Zhulanov,V;Zivko,T;Zupanc,A
    Contributors: 物理學系
    Keywords: MESONS;SPECTROSCOPY;QUARK
    Date: 2011
    Issue Date: 2012-06-11 10:52:56 (UTC+8)
    Publisher: 國立中央大學
    Abstract: Using 535 X 10(6) B-meson pairs collected by the Belle detector at the KEKB e(+)e(-) collider, we measure branching fractions of (7.16 +/- 0.10(stat) +/- 0.60(syst) X 10(-4) for B(+) -> J/psi K(+) pi(+) pi(-) and (4.31 +/- 0.20(stat) +/- 0.50(syst)) X 10(-4) for B(+) -> psi' K(+) pi(+) pi(-). We perform amplitude analyses to determine the resonant structure of the K(+) pi(+) pi(-) final state in B(+) -> J/psi K(+) pi(+) pi(-) and B(+) -> psi' K(+) pi(+) pi(-) and find that the K(1)(1270) is a prominent component of both decay modes. There is significant interference among the different intermediate states, which leads, in particular, to a striking distortion of the rho line shape due to the omega. Based on the results of the fit to the B(+) -> J/psi K(+) pi(+) pi(-) data, the relative decay fractions of the K(1)(1270) to K rho, K omega, and K*(892)pi are consistent with previous measurements, but the decay fraction to K(0)(*)(1430) is significantly smaller. Finally, by floating the mass and width of the K(1)(1270) in an additional fit of the B(+) -> J/psi K(+) pi(+) pi(-) data, we measure a mass of (1248.1 +/- 3.3(stat) +/- 1.4(syst)) MeV/c(2) and a width of (119.5 +/- 5.2(stat) +/- 6.7(syst)) MeV/c(2) for the K(1)(1270).
    Relation: PHYSICAL REVIEW D
    Appears in Collections:[物理學系] 期刊論文

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