Search for pair production of vector-like quarks in the bw(b)over-barw channel from proton-proton collisions at root s=13tev
文献类型：期刊论文
| 作者 | Sirunyan, A. M.1; Tumasyan, A.1; Adam, W.2; Ambrogi, F.2; Asilar, E.2; Bergauer, T.2; Brandstetter, J.2; Brondolin, E.2; Dragicevic, M.2; Ero, J.2 |
| 刊名 | Physics letters b
 |
| 出版日期 | 2018-04-10 |
| 卷号 | 779页码:82-106 |
| 关键词 | Cms Physics Vector-like quarks |
| ISSN号 | 0370-2693 |
| DOI | 10.1016/j.physletb.2018.01.077 |
| 通讯作者 | Sirunyan, a. m.() |
| 英文摘要 | A search is presented for the production of vector-like quark pairs, t (t) over bar or y (y) over bar, with electric charge of 2/3(t) or -4/3(y), in proton-proton collisions at root s= 13 tev. the data were collected by the cms experiment at the lhc in 2016 and correspond to an integrated luminosity of 35.8 fb(-1). the t and y quarks are assumed to decay exclusively to a w boson and a b quark. the search is based on events with a single isolated electron or muon, large missing transverse momentum, and at least four jets with large transverse momenta. in the search, a kinematic reconstruction of the final state observables is performed, which would permit a signal to be detected as a narrow mass peak (approximate to 7% resolution). the observed number of events is consistent with the standard model prediction. assuming strong pair production of the vector-like quarks and a 100% branching fraction to bw, a lower limit of 1295 gev at 95% confidence level is set on the t and y quark masses. (c) 2018 the author(s). published by elsevier b.v. |
| WOS关键词 | HIGGS THEORIES |
| WOS研究方向 | Astronomy & Astrophysics ; Physics |
| WOS类目 | Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields |
| 语种 | 英语 |
| WOS记录号 | WOS:000429098900011 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2178116 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Sirunyan, A. M. |
| 作者单位 | 1.Yerevan Phys Inst, Yerevan, Armenia 2.Inst Hochenergiephys, Vienna, Austria 3.Inst Nucl Problems, Minsk, Byelarus 4.Univ Antwerp, Antwerp, Belgium 5.Vrije Univ Brussel, Brussels, Belgium 6.Univ Libre Bruxelles, Brussels, Belgium 7.Univ Ghent, Ghent, Belgium 8.Catholic Univ Louvain, Louvain La Neuve, Belgium 9.Univ Mons, Mons, Belgium 10.Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil |
| 推荐引用方式 GB/T 7714 | Sirunyan, A. M.,Tumasyan, A.,Adam, W.,et al. Search for pair production of vector-like quarks in the bw(b)over-barw channel from proton-proton collisions at root s=13tev[J]. Physics letters b,2018,779:82-106. |
| APA | Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Ambrogi, F..,Asilar, E..,...&Oropeza Barrera, C..(2018).Search for pair production of vector-like quarks in the bw(b)over-barw channel from proton-proton collisions at root s=13tev.Physics letters b,779,82-106. |
| MLA | Sirunyan, A. M.,et al."Search for pair production of vector-like quarks in the bw(b)over-barw channel from proton-proton collisions at root s=13tev".Physics letters b 779(2018):82-106. |
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