Observation of the phi(1680) and the Y(2175) in e(+)e(-) -> phi pi(+)pi(-)

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題名:	Observation of the phi(1680) and the Y(2175) in e(+)e(-) -> phi pi(+)pi(-)
作者:	Shen,CP;Yuan,CZ;Wang,P;Wang,XL;Adachi,I;Aihara,H;Arinstein,K;Aulchenko,V;Bakich,AM;Barberio,E;Belous,K;Bischofberger,M;Bondar,A;Bracko,M;Browder,TE;Chang,P;Chen,A;Cheon,BG;Chistov,R;Cho,IS;Choi,SK;Choi,Y;Crnkovic,J;Dalseno,J;Danilov,M;Dash,M;Dungel,W;Eidelman,S;Epifanov,D;Gabyshev,N;Garmash,A;Goldenzweig,P;Ha,H;Hayasaka,K;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hyun,HJ;Iijima,T;Inami,K;Ishikawa,A;Itoh,R;Iwasaki,M;Iwasaki,Y;Kang,JH;Kapusta,P;Kawai,H;Kawasaki,T;Kichimi,H;Kim,HO;Kim,JH;Kim,YI;Kim,YJ;Ko,BR;Korpar,S;Kreps,M;Krizan,P;Krokovny,P;Kuehn,W;Kumar,R;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,MJ;Lee,SH;Lesiak,T;Li,J;Limosani,A;Liu,C;Liventsev,D;Louvot,R;Mandl,F;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Nagasaka,Y;Nakano,E;Nakao,M;Nishida,S;Nishimura,K;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Olsen,SL;Ozaki,H;Pakhlov,P;Pakhlova,G;Park,CW;Park,H;Park,HK;Piilonen,LE;Poluektov,A;Sahoo,H;Sakai,K;Sakai,Y;Schneider,O;Schwanda,C;Senyo,K;Sevior,ME;Shebalin,V;Shiu,JG;Shwartz,B;Singh,JB;Sokolov,A;Stanic,S;Staric,M;Sumiyoshi,T;Taylor,GN;Teramoto,Y;Trabelsi,K;Uehara,S;Uglov,T;Unno,Y;Uno,S;Urquijo,P;Usov,Y;Varner,G;Vervink,K;Vinokurova,A;Wang,CH;Wang,MZ;Watanabe,Y;Wedd,R;Won,E;Yabsley,BD;Yamashita,Y;Zhang,CC;Zhang,ZP;Zhilich,V;Zhulanov,V;Zivko,T;Zupanc,A;Zyukova,O
貢獻者:	物理研究所
關鍵詞:	CROSS-SECTION;ANNIHILATION;HYBRID;ENERGY;STATE
日期:	2009
上傳時間:	2010-07-08 14:00:33 (UTC+8)
出版者:	中央大學
摘要:	The cross sections for e(+)e(-) -> phi pi(+)pi(-) and e(+)e(-) -> phi f(0)(980) are measured from threshold to root s = 3.0 GeV using initial-state radiation. The analysis is based on a data sample of 673 fb(-1) collected on and below the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. First measurements are reported for the resonance parameters of the phi(1680) in the phi pi(+)pi(-) mode: m = (1689 +/- 7 +/- 10) MeV/c(2) and Gamma = (211 +/- 14 +/- 19) MeV/c(2). A structure at root s = 2.1 GeV/c(2), corresponding to the so called Y(2175), is observed; its mass and width are determined to be (2079 +/- 13(-28)(+79)) MeV/c(2) and (192 +/- 23(-61)(+25)) MeV/c(2), respectively.
關聯:	PHYSICAL REVIEW D
顯示於類別:	[物理研究所] 期刊論文

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