Measurement of the t(t)over-bar gamma production cross section in proton-proton collisions at root s=8 tev with the atlas detector
文献类型：期刊论文
| 作者 | Aaboud, M.199,200; Aad, G.129,130; Abbott, B.161; Abdinov, O.15; Abeloos, B.165; Abidi, S. H.231; AbouZeid, O. S.203; Abraham, N. L.220; Abramowicz, H.224; Abreu, H.223 |
| 刊名 | Journal of high energy physics
 |
| 出版日期 | 2017-11-15 |
| 期号 | 11页码:43 |
| ISSN号 | 1029-8479 |
| 关键词 | Hadron-hadron scattering (experiments) Top physics |
| DOI | 10.1007/jhep11(2017)086 |
| 通讯作者 | Aaboud, m.() |
| 英文摘要 | The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of root s = 8 tev with 20.2 fb(-1) of data collected by the atlas detector at the large hadron collider in 2012. the measurement is performed by selecting events that contain a photon with transverse momentum p(t) > 15 gev, an isolated lepton with large transverse momentum, large missing transverse momentum, and at least four jets, where at least one is identified as originating from a b-quark. the production cross section is measured in a fiducial region close to the selection requirements. it is found to be 139 +/- 7 (stat.) +/- 17 (syst.) fb, in good agreement with the theoretical prediction at next-to-leading order of 151 +/- 24 fb. in addition, differential cross sections in the fiducial region are measured as a function of the transverse momentum and pseudorapidity of the photon. |
| WOS关键词 | HADRON COLLIDERS ; MONTE-CARLO ; PHOTOS |
| 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:000415660000002 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2178305 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Aaboud, M. |
| 作者单位 | 1.Univ Adelaide, Dept Phys, Adelaide, SA, Australia 2.SUNY Albany, Dept Phys, Albany, NY 12222 USA 3.Univ Alberta, Dept Phys, Edmonton, AB, Canada 4.Ankara Univ, Dept Phys, Ankara, Turkey 5.Istanbul Aydin Univ, Istanbul, Turkey 6.TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey 7.CNRS, IN2P3, LAPP, Annecy Le Vieux, France 8.Univ Savoie Mont Blanc, Annecy Le Vieux, France 9.Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA 10.Univ Arizona, Dept Phys, Tucson, AZ 85721 USA |
| 推荐引用方式 GB/T 7714 | Aaboud, M.,Aad, G.,Abbott, B.,et al. Measurement of the t(t)over-bar gamma production cross section in proton-proton collisions at root s=8 tev with the atlas detector[J]. Journal of high energy physics,2017(11):43. |
| APA | Aaboud, M..,Aad, G..,Abbott, B..,Abdinov, O..,Abeloos, B..,...&Hakobyan, H..(2017).Measurement of the t(t)over-bar gamma production cross section in proton-proton collisions at root s=8 tev with the atlas detector.Journal of high energy physics(11),43. |
| MLA | Aaboud, M.,et al."Measurement of the t(t)over-bar gamma production cross section in proton-proton collisions at root s=8 tev with the atlas detector".Journal of high energy physics .11(2017):43. |
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