Measurement of the properties of the i (b) (au 0) baryon
文献类型：期刊论文
| 作者 | Aaij, R.40; Abellan Beteta, C.42; Adeva, B.39; Adinolfi, M.48; Ajaltouni, Z.5; Akar, S.6; Albrecht, J.10; Alessio, F.40; Alexander, M.53; Ali, S.43 |
| 刊名 | Journal of high energy physics
 |
| 出版日期 | 2016-05-27 |
| 期号 | 5页码:19 |
| ISSN号 | 1029-8479 |
| 关键词 | Spectroscopy B physics Particle and resonance production Hadron-hadron scattering (experiments) |
| DOI | 10.1007/jhep05(2016)161 |
| 通讯作者 | Charles, m.(matthew.charles@cern.ch) |
| 英文摘要 | We perform a search for near-threshold i (b) (0) resonances decaying to i (b) (-) pi (+) in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb(-1) collected by the lhcb experiment. we observe one resonant state, with the following properties: m(xi b*0) - m (xi b-) - m (pi+) = 15.727 +/- 0.068 (stat) +/- 0.023 (syst) mev/c2, gamma(xi b*0) = 0.90 +/- 0.16 (stat) +/- 0.08 (syst) mev. this confirms the previous observation by the cms collaboration. the state is consistent with the j (p) = 3/2(+)aeuro integral i (b) (au 0) resonance expected in the quark model. this is the most precise determination of the mass and the first measurement of the natural width of this state. we have also measured the ratio sigma(pp -> xi b*0 x)b(xi b*0 -> xi b-pi+)/sigma(pp -> xi b- x) = 0.28 +/- 0.03 (stat.) +/- 0.01 (syst). |
| WOS关键词 | DECAY ; SPECTROSCOPY |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Particles & Fields |
| 语种 | 英语 |
| 出版者 | SPRINGER |
| WOS记录号 | WOS:000376893000001 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2176508 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Charles, M. |
| 作者单位 | 1.Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil 2.Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil 3.Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China 4.Univ Savoie Mont Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France 5.Univ Clermont Ferrand, Clermont Univ, CNRS, IN2P3,LAL, Clermont Ferrand, France 6.Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France 7.Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France 8.Univ Paris 06, Univ Paris Diderot, LPNHE, CNRS,IN2P3, Paris, France 9.Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany 10.Tech Univ Dortmund, Fak Phys, D-44221 Dortmund, Germany |
| 推荐引用方式 GB/T 7714 | Aaij, R.,Abellan Beteta, C.,Adeva, B.,et al. Measurement of the properties of the i (b) (au 0) baryon[J]. Journal of high energy physics,2016(5):19. |
| APA | Aaij, R..,Abellan Beteta, C..,Adeva, B..,Adinolfi, M..,Ajaltouni, Z..,...&Zucchelli, S..(2016).Measurement of the properties of the i (b) (au 0) baryon.Journal of high energy physics(5),19. |
| MLA | Aaij, R.,et al."Measurement of the properties of the i (b) (au 0) baryon".Journal of high energy physics .5(2016):19. |
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来源：高能物理研究所
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