首页> 外文期刊>Physics Letters, B. Nuclear Physics and High Energy Physics >Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q(q)over-bar(('))b(b)over-bar final state in pp collisions at root s =13 TeV with the ATLAS detector
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Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q(q)over-bar(('))b(b)over-bar final state in pp collisions at root s =13 TeV with the ATLAS detector

机译:在Root S = 13 TEV的PP碰撞中,在Q(Q)上的Q(Q)上的Q(Q)上的Q(Q)上的Higgs玻色子(('))b(b)在Root S = 13 Tev的Q(Q)上的Q(('))B(b)中的Q(('))b(b) 探测器

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摘要

A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q(q)over-bar(('))b(b)over-bar final state is described. The search uses 36.1 fb(-1)of proton-proton collision data at root s = 13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with a local (global) significance of 3.3 (2.1) sigma. The results are presented in terms of constraints on a simplified model with a heavy vector triplet. Upper limits are set on the production cross-section times branching ratio for resonances decaying to a W (Z) boson and a Higgs boson, itself decaying to b(b)over-bar, in the mass range between 1.1 and 3.8 TeV at 95% confidence level; the limits range between 83 and 1.6 fb (77 and 1.1 fb) at 95% confidence level. (c) 2017 The Author. Published by Elsevier B.V.
机译:对Q(Q)在Q(Q)上的W或Z玻色子中的衰减和HIGGS玻色子进行Q(Q)过条(('))b(b)过条最终状态的搜索。 在2015年和2016年,由地图集探测器收集的Root S = 13 Tev的搜索使用36.1 FB(-1)质子 - 质子碰撞数据的= 13 TEV。数据与标准模型期望一致,数据符合标准模型预期 在3.0 TEV的共振质量下发现最大过量,具有3.3(2.1)Sigma的本地(全球)意义。 结果以具有重载三重态的简化模型的约束呈现。 上限是在生产横截面的分支比上,用于衰减到W(Z)玻色子的共振和Higgs玻色子,其本身衰减至B(b)覆盖杆,在95时在1.1和3.8 Tev之间的质量范围内 达到置信水平; 在95%的置信水平下,83到1.6 fb(77和1.1 fb)的限制范围为95%。 (c)2017年作者。 由elsevier b.v出版。

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