Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at root s=13 tev
文献类型：期刊论文
| 作者 | Sirunyan, A. M.1; Tumasyan, A.1; Adam, W.2; Asilar, E.2; Bergauer, T.2; Brandstetter, J.2; Brondolin, E.2; Dragicevic, M.2; Eroe, J.2; Flechl, M.2 |
| 刊名 | Journal of high energy physics
 |
| 出版日期 | 2017-07-26 |
| 期号 | 7页码:35 |
| 关键词 | Beyond standard model Hadron-hadron scattering (experiments) |
| ISSN号 | 1029-8479 |
| DOI | 10.1007/jhep07(2017)121 |
| 英文摘要 | A search is performed for third-generation scalar leptoquarks and heavy right-handed neutrinos in events containing one electron or muon, one hadronically decaying tau lepton, and at least two jets, using a root s = 13 tev pp collision data sample corresponding to an integrated luminosity of 12: 9 fb(-1) collected with the cms detector at the lhc in 2016. the number of observed events is found to be in agreement with the standard model prediction. a limit is set at 95% confidence level on the product of the leptoquark pair production cross section and beta(2), where beta is the branching fraction of leptoquark decay to a tau lepton and a bottom quark. assuming beta = 1, third-generation leptoquarks with masses below 850 gev are excluded at 95% confidence level. an additional search based on the same event topology involves heavy right-handed neutrinos, n-r, and right-handed w bosons, w-r, arising in a left-right symmetric extension of the standard model. in this search, w-r bosons are assumed to decay to a tau lepton and n-r followed by the decay of the n-r to a tau lepton and an off-shell w-r boson. assuming the mass of the right-handed neutrino to be half of the mass of the right-handed w boson, w-r boson masses below 2.9 tev are excluded at 95% confidence level. these results improve on the limits from previous searches for third-generation leptoquarks and heavy right-handed neutrinos with tau leptons in the final state. |
| WOS关键词 | COLLIDERS |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Particles & Fields |
| 语种 | 英语 |
| WOS记录号 | WOS:000406883700001 |
| 出版者 | SPRINGER |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2176985 |
| 专题 | 高能物理研究所 |
| 作者单位 | 1.Yerevan Phys Inst, Yerevan, Armenia 2.Inst Hochenergiephys, Vienna, Austria 3.Inst Nucl Problems, Minsk, Byelarus 4.Natl Ctr Particle & High Energy Phys, Minsk, Byelarus 5.Univ Antwerp, Antwerp, Belgium 6.Vrije Univ Brussel, Brussels, Belgium 7.Univ Libre Bruxelles, Brussels, Belgium 8.Univ Ghent, Ghent, Belgium 9.Catholic Univ Louvain, Louvain La Neuve, Belgium 10.Univ Mons, Mons, Belgium |
| 推荐引用方式 GB/T 7714 | Sirunyan, A. M.,Tumasyan, A.,Adam, W.,et al. Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at root s=13 tev[J]. Journal of high energy physics,2017(7):35. |
| APA | Sirunyan, A. M..,Tumasyan, A..,Adam, W..,Asilar, E..,Bergauer, T..,...&Saddique, A..(2017).Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at root s=13 tev.Journal of high energy physics(7),35. |
| MLA | Sirunyan, A. M.,et al."Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at root s=13 tev".Journal of high energy physics .7(2017):35. |
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