论文标题
搜索Higgs Boson对腐烂到ww*ww*，ww*$ττ$和$ \ sqrt {s} $ = 13 tev
Search for Higgs boson pairs decaying to WW*WW*, WW*$ττ$, and $ττττ$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV
论文作者
论文摘要
在ww*ww*，ww*$ττ$和$ττττ$衰减模式中搜索Higgs Boson对（HH）生产的结果。该搜索使用CMS实验在LHC上记录的Proton-Proton碰撞数据的138 fb $^{ - 1} $在2016年至2018年的质量中心能量13 TEV上记录。分析的事件包含两个，三个，三个或四个重建的lept子，包括电子，穆斯，muons，muons和Hadronrrically decay deasay tau leptons。在数据中找不到信号的证据。上限设置在横截面上，以进行非谐振HH产生，以及共鸣的产生，其中新的重粒子腐烂了一对希格斯玻色子。对于非共振产生，在95％置信度（CL）下观察到的（预期）上限为21.3（19.4）倍标准模型（SM）预测。在95％的Cl中，三连higgs玻色子自耦合与其在SM中的价值的观察到（预期）比率（预期）被限制在间隔$ -6.9至11.1（$ 6.9至11.7）之内，并且使用有效的现场理论方法设置了各种新的物理模型的限制。在250-1000 GEV范围内，新的重颗粒质量在95％Cl下，共振HH产量的横截面上观察到的（预期）限制为0.18至0.90至0.90（0.08至1.06）Pb。
The results of a search for Higgs boson pair (HH) production in the WW*WW*, WW*$ττ$, and $ττττ$ decay modes are presented. The search uses 138 fb$^{-1}$ of proton-proton collision data recorded by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV from 2016 to 2018. Analyzed events contain two, three, or four reconstructed leptons, including electrons, muons, and hadronically decaying tau leptons. No evidence for a signal is found in the data. Upper limits are set on the cross section for nonresonant HH production, as well as resonant production in which a new heavy particle decays to a pair of Higgs bosons. For nonresonant production, the observed (expected) upper limit on the cross section at 95% confidence level (CL) is 21.3 (19.4) times the standard model (SM) prediction. The observed (expected) ratio of the trilinear Higgs boson self-coupling to its value in the SM is constrained to be within the interval $-$6.9 to 11.1 ($-$6.9 to 11.7) at 95% CL, and limits are set on a variety of new-physics models using an effective field theory approach. The observed (expected) limits on the cross section for resonant HH production range from 0.18 to 0.90 (0.08 to 1.06) pb at 95% CL for new heavy-particle masses in the range 250-1000 GeV.
