Evidence for b ->eta(')pi and improved measurements for b ->eta ' k
文献类型：期刊论文
| 作者 | Schumann, J.; Wang, C. H.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Arinstein, K.; Asano, Y.; Aushev, T.; Bakich, A. M. |
| 刊名 | Physical review letters
 |
| 出版日期 | 2006-08-11 |
| 卷号 | 97期号:6页码:6 |
| ISSN号 | 0031-9007 |
| DOI | 10.1103/physrevlett.97.061802 |
| 通讯作者 | Schumann, j.() |
| 英文摘要 | We report evidence for the exclusive two-body charmless hadronic b meson decay b ->eta(')pi, and improved measurements of b ->eta k-'. the results are obtained from a data sample of 386x10(6) b (b) over bar pairs collected at the upsilon(4s) resonance, with the belle detector at the kekb asymmetric-energy e(+)e(-) collider. we measure b(b+->eta(')pi(+))=[1.76(-0.62)(+0.67)(stat)(-0.14)(+0.15)(syst)]x10(-6) and b(b-0 ->eta(')pi(0))= [2.79(-0.96)(+1.02)(stat)(-0.34)(+0.25)(syst)]x10(-6). we also find the ratio of b(b+->eta k-'(+))/b(b-0 ->eta k-'(0))=1.17 +/- 0.08(stat)+/- 0.03(syst) and measure the direct cp asymmetries for the charged modes. |
| WOS关键词 | DECAYS ; BELLE ; QCD ; PHYSICS ; SEARCH ; ETA' |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 语种 | 英语 |
| 出版者 | AMERICAN PHYSICAL SOC |
| WOS记录号 | WOS:000239690900009 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2175809 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Schumann, J. |
| 作者单位 | 1.Budker Inst Nucl Phys, Novosibirsk 630090, Russia 2.Chiba Univ, Chiba, Japan 3.Chonnam Natl Univ, Kwangju, South Korea 4.Univ Cincinnati, Cincinnati, OH 45221 USA 5.Univ Frankfurt, D-6000 Frankfurt, Germany 6.Univ Hawaii, Honolulu, HI 96822 USA 7.High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan 8.Chinese Acad Sci, Inst High Energy Phys, Beijing 100864, Peoples R China 9.Inst High Energy Phys, Vienna, Austria 10.Inst High Energy Phys, Protvino, Russia |
| 推荐引用方式 GB/T 7714 | Schumann, J.,Wang, C. H.,Abe, K.,et al. Evidence for b ->eta(')pi and improved measurements for b ->eta ' k[J]. Physical review letters,2006,97(6):6. |
| APA | Schumann, J..,Wang, C. H..,Abe, K..,Adachi, I..,Aihara, H..,...&Zuercher, D..(2006).Evidence for b ->eta(')pi and improved measurements for b ->eta ' k.Physical review letters,97(6),6. |
| MLA | Schumann, J.,et al."Evidence for b ->eta(')pi and improved measurements for b ->eta ' k".Physical review letters 97.6(2006):6. |
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