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Titolo:
Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+)) - art. no. 052001
Autore:
Bai, JZ; Ban, Y; Bian, JG; Blum, I; Chen, GP; Chen, HF; Chen, J; Chen, JC; Chen, Y; Chen, YB; Chen, YQ; Cheng, BS; Cui, XZ; Ding, HL; Dong, LY; Du, ZZ; Dunwoodie, W; Gao, CS; Gao, ML; Gao, SQ; Gratton, P; Gu, JH; Gu, SD; Gu, WX; Gu, YF; Guo, YN; Guo, ZJ; Han, SW; Han, Y; Harris, FA; He, J; He, JT; He, KL; He, M; Heng, YK; Hitlin, DG; Hu, GY; Hu, HM; Hu, JL; Hu, QH; Hu, T; Hu, XQ; Huang, YZ; Huang, GS; Izen, JM; Jiang, CH; Jin, Y; Jones, BD; Ju, X; Ke, ZJ; Kelsey, MH; Kim, BK; Kong, D; Lai, YF; Lang, PF; Lankford, A; Li, CG; Li, D; Li, HB; Li, J; Li, JC; Li, PQ; Li, RB; Li, W; Li, WG; Li, XH; Li, XN; Liu, HM; Liu, J; Liu, RG; Liu, Y; Lou, XC; Lowery, B; Lu, F; Lu, JG; Luo, XL; Ma, EC; Ma, JM; Malchow, R; Mandelkern, M; Mao, HS; Mao, ZP; Meng, XC; Nie, J; Olsen, SL; Oyang, J; Paluselli, D; Pan, LJ; Panetta, J; Porter, F; Qi, ND; Qi, XR; Qian, CD; Qiu, JF; Qu, YH; Que, YK; Rong, G; Schernau, M; Schmid, B; Schultz, J; Shao, YY; Shen, BW; Shen, DL; Shen, H; Shen, XY; Sheng, HY; Shi, HZ; Song, XF; Standifird, J; Stoker, D; Sun, F; Sun, HS; Sun, Y; Sun, YZ; Tang, SQ; Toki, W; Tong, GL; Varner, GS; Wang, F; Wang, LS; Wang, LZ; Wan, M; Wang, P; Wang, PL; Wang, SM; Wang, TJ; Wang, YY; Weaver, M; Wei, CL; Wu, N; Wu, YG; Xi, DM; Xia, XM; Xie, PP; Xie, Y; Xie, YH; Xu, GF; Xue, ST; Yan, J; Yan, WG; Yang, CM; Yang, CY; Yang, HX; Yang, J; Yang, W; Yang, XF; Ye, MH; Ye, SW; Ye, YX; Yu, CS; Yu, CX; Yu, GW; Yu, YH; Yu, ZQ; Yuan, CZ; Yuan, Y; Zhang, BY; Zhang, C; Zhang, CC; Zhang, DH; Zhang, DH; Zhang, HL; Zhang, J; Zhang, JW; Zhang, L; Zhang, LS; Zhang, P; Zhang, QJ; Zhang, SQ; Zhang, XY; Zhang, YY; Zhao, DX; Zhao, HW; Zhao, JW; Zhao, M; Zhao, WR; Zhao, ZG; Zheng, JP; Zheng, LS; Zheng, ZP; Zhou, BQ; Zhou, GP; Zhou, HS; Zhou, L; Zhu, KJ; Zhu, QM; Zhu, YC; Zhu, YS; Zhuang, BA;
Indirizzi:
Inst High Energy Phys, Beijing 100039, Peoples R China Inst High Energy Phys Beijing Peoples R China 100039 39, Peoples R China CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Colorado State Univ, Ft Collins, CO 80523 USA Colorado State Univ Ft Collins CO USA 80523 niv, Ft Collins, CO 80523 USA Hangzhou Univ, Hangzhou 310028, Peoples R China Hangzhou Univ Hangzhou Peoples R China 310028 ou 310028, Peoples R China Peking Univ, Beijing 100871, Peoples R China Peking Univ Beijing PeoplesR China 100871 ijing 100871, Peoples R China Shandong Univ, Jinan 250100, Peoples R China Shandong Univ Jinan PeoplesR China 250100 Jinan 250100, Peoples R China Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China Shanghai Jiao Tong Univ Shanghai Peoples R China 200030 Peoples R China Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA Stanford Linear Accelerator Ctr Stanford CA USA 94309 nford, CA 94309 USA Univ Hawaii, Honolulu, HI 96822 USA Univ Hawaii Honolulu HI USA 96822Univ Hawaii, Honolulu, HI 96822 USA Univ Calif Irvine, Irvine, CA 92717 USA Univ Calif Irvine Irvine CA USA 92717 Calif Irvine, Irvine, CA 92717 USA Univ Sci & Technol China, Hefei 230026, Peoples R China Univ Sci & TechnolChina Hefei Peoples R China 230026 6, Peoples R China Univ Texas, Richardson, TX 75083 USA Univ Texas Richardson TX USA 75083Univ Texas, Richardson, TX 75083 USA
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 5, volume: 6205, anno: 2000,
pagine: 2001 -
SICI:
0556-2821(20000901)6205:5<2001:DMOB-C>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Bai, JZ Inst High Energy Phys, Beijing 100039, Peoples R China Inst High Energy Phys Beijing Peoples R China 100039 les R China
Citazione:
J.Z. Bai et al., "Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+)) - art. no. 052001", PHYS REV D, 6205(5), 2000, pp. 2001

Abstract

The first measurement of B(D-0 --> phi X-0) and an upper limit for B(D+ --> phi X+) are determined from 22.3 pb(-1) of e(+)e(-) annihilation data at a c.m. energy of 4.03 GeV. The data were recorded by the Beijing Spectrometer (BES) at BEPC. A recoil charge method is applied to charm threshold datato determine the charge of the D meson in the recoil from 9054+/-309+/-416reconstructed D-0, D+ mesons. The branching fractions B(D0 --> phi X-0) = (1.71(-0.71)(+0.76) +/- 0.17)%, and B(D+ --> phi X+) < 1.8% are determined from 10 events with a reconstructed D and a recoiling phi. In addition, a 90% C.L. upper limit of B(D+ --> phi e(+)X(0)) < 1.6% is determined from a search for semileptonic decays of the D+.

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Documento generato il 29/09/20 alle ore 23:46:55