| Search for vector-like t quarks decaying to top quarks and higgs bosons in the all-hadronic channel using jet substructure | |
| Khachatryan, V.1,191; Sirunyan, A. M.1; Tumasyan, A.1; Adam, W.2; Bergauer, T.2; Dragicevic, M.2; Eroe, J.2; Friedl, M.2; Fruehwirth, R.2; Ghete, V. M.2 | |
| 刊名 | Journal of high energy physics
 |
| 2015-06-12 | |
| 期号 | 6页码:48 |
| 关键词 | Hadron-hadron scattering Beyond standard model Top physics |
| ISSN号 | 1029-8479 |
| DOI | 10.1007/jhep06(2015)080 |
| 英文摘要 | A search is performed for a vector-like heavy t quark that is produced in pairs and that decays to a top quark and a higgs boson. the data analysed correspond to an integrated luminosity of 19.7 fb(-1) collected with the cms detector in proton-proton collisions at root s = 8tev. for t quarks with large mass values the top quarks and higgs bosons can have significant lorentz boosts, so that their individual decay products often overlap and merge. methods are applied to resolve the substructure of such merged jets. upper limits on the production cross section of a t quark with mass between 500 and 1000 gev/c(2) are derived. if the t quark decays exclusively to th, the observed (expected) lower limit on the mass of the t quark is 745 (773) gev/c(2) at 95% confidence level. for the first time an algorithm is used for tagging boosted higgs bosons that is based on a combination of jet substructure information and b tagging. |
| 语种 | 英语 |
| 出版者 | SPRINGER |
| WOS记录号 | WOS:000356796700001 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/1639612 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Khachatryan, V. |
| 作者单位 | 1.Yerevan Phys Inst, Yerevan 375036, Armenia 2.Inst Hochenergiephys OeAW, Vienna, Austria 3.Natl Ctr Particle & High Energy Phys, Minsk, Byelarus 4.Univ Antwerp, Antwerp, Belgium 5.Vrije Univ Brussel, Brussels, Belgium 6.Univ Libre Bruxelles, Brussels, Belgium 7.Univ Ghent, B-9000 Ghent, Belgium 8.Catholic Univ Louvain, Louvain La Neuve, Belgium 9.Univ Mons, B-7000 Mons, Belgium 10.Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil |
| 推荐引用方式 GB/T 7714 | Khachatryan, V.,Sirunyan, A. M.,Tumasyan, A.,et al. Search for vector-like t quarks decaying to top quarks and higgs bosons in the all-hadronic channel using jet substructure[J]. Journal of high energy physics,2015(6):48. |
| APA | Khachatryan, V..,Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Bergauer, T..,...&Lanev, A..(2015).Search for vector-like t quarks decaying to top quarks and higgs bosons in the all-hadronic channel using jet substructure.Journal of high energy physics(6),48. |
| MLA | Khachatryan, V.,et al."Search for vector-like t quarks decaying to top quarks and higgs bosons in the all-hadronic channel using jet substructure".Journal of high energy physics .6(2015):48. |
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