论文标题
在proton-proton碰撞中搜索h $^\ pm $ $ \ $ $ $ \ to $ \ sqrt {s} = $ 13 tev中的$ 13 tev
Search for a light charged Higgs boson in the H$^\pm$ $\to $ cs channel in proton-proton collisions at $\sqrt{s} =$ 13 TeV
论文作者
论文摘要
搜索了在顶级夸克腐烂中产生的低质量的希格斯玻色子，随后腐烂成魅力和奇怪的夸克。数据样本记录在$ \ sqrt {s} = $ 13 TEV的质子 - 普罗顿碰撞中，该cms实验在LHC处的CMS实验对应于35.9 fb $^{ - 1} $的集成光度。搜索是在顶级夸克对生产过程中执行的，其中一个顶级夸克腐烂到底部的夸克和带电的希格斯玻色子，另一个是底部的夸克和w boson。 W玻色子腐烂到带电的Lepton（电子或MUON）和中微子，最终状态包括一个孤立的Lepton，缺少横向动量和至少四个喷气机，其中两个标记为B Jets。为了增强搜索灵敏度，需要源自带电的希格斯玻色子的喷气机以满足魅力标记的选择。在DIJET不变质量分布中，没有发现超出标准模型预测的显着过量。范围内的1.68-0.25％的上限设置为最高夸克腐烂到带电的希格斯玻色子和底部夸克的分支部分，用于80至160 GEV之间的带电的Higgs玻色子质量。
A search is conducted for a low-mass charged Higgs boson produced in a top quark decay and subsequently decaying into a charm and a strange quark. The data sample was recorded in proton-proton collisions at $\sqrt{s} =$ 13 TeV by the CMS experiment at the LHC and corresponds to an integrated luminosity of 35.9 fb$^{-1}$. The search is performed in the process of top quark pair production, where one top quark decays to a bottom quark and a charged Higgs boson, and the other to a bottom quark and a W boson. With the W boson decaying to a charged lepton (electron or muon) and a neutrino, the final state comprises an isolated lepton, missing transverse momentum, and at least four jets, of which two are tagged as b jets. To enhance the search sensitivity, one of the jets originating from the charged Higgs boson is required to satisfy a charm tagging selection. No significant excess beyond standard model predictions is found in the dijet invariant mass distribution. An upper limit in the range 1.68-0.25% is set on the branching fraction of the top quark decay to the charged Higgs boson and bottom quark for a charged Higgs boson mass between 80 and 160 GeV.
