| Measurement of cp violation in b-0 -> d+d- decays | |
| Aaij, R.40; Adeva, B.39; Adinolfi, M.48; Ajaltouni, Z.5; Akar, S.6; Albrecht, J.10; Alessio, F.40; Alexander, M.53; Ali, S.43; Alkhazov, G.31 | |
| 刊名 | Physical review letters
 |
| 2016-12-23 | |
| 卷号 | 117期号:26页码:10 |
| ISSN号 | 0031-9007 |
| DOI | 10.1103/physrevlett.117.261801 |
| 通讯作者 | Aaij, r.() |
| 英文摘要 | The cp violation observables s and c in the decay channel b-0 -> d+d- are determined from a sample of proton-proton collisions at center-of-mass energies of 7 and 8 tev, collected by the lhcb experiment and corresponding to an integrated luminosity of 3 fb(-1). the observable s describes cp violation in the interference between mixing and the decay amplitude, and c parametrizes direct cp violation in the decay. the following values are obtained from a flavor-tagged, decay-time-dependent analysis: s = -0.54(-0.16)(+0.17) (stat) +/- 0.05(syst) ,c=0.26(-0.17)(+0.18) (stat) +/- 0.02(syst). these values provide evidence for cp violation at a significance level of 4.0 standard deviations. the phase shift due to higher-order standard model corrections is constrained to a small value of delta phi = -0.16(-0.21)(+0.19) rad. |
| WOS关键词 | TOOL |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000390301400002 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2176611 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Aaij, R. |
| 作者单位 | 1.CBPF, Rio De Janeiro, Brazil 2.Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil 3.Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China 4.Univ Savoie Mt Blanc, LAPP, CNRS IN2P3, Annecy Le Vieux, France 5.Univ Clermont Ferrand, Clermont Univ, CNRS IN2P3, LPC, Clermont Ferrand, France 6.Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France 7.Univ Paris 11, LAL, CNRS IN2P3, Orsay, France 8.Univ Paris Diderot, Univ Pierre & Marie Curie, LPNHE, CNRS IN2P3, Paris, France 9.Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany 10.Tech Univ Dortmund, Fak Phys, Dortmund, Germany |
| 推荐引用方式 GB/T 7714 | Aaij, R.,Adeva, B.,Adinolfi, M.,et al. Measurement of cp violation in b-0 -> d+d- decays[J]. Physical review letters,2016,117(26):10. |
| APA | Aaij, R..,Adeva, B..,Adinolfi, M..,Ajaltouni, Z..,Akar, S..,...&Zucchelli, S..(2016).Measurement of cp violation in b-0 -> d+d- decays.Physical review letters,117(26),10. |
| MLA | Aaij, R.,et al."Measurement of cp violation in b-0 -> d+d- decays".Physical review letters 117.26(2016):10. |
| 个性服务 |
| 查看访问统计 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论