Discovery potential for a charged Higgs boson decaying in the chargino-neutralino channel of the ATLAS detector at the LHC
Discovery potential for a charged Higgs boson decaying in the chargino-neutralino channel of the ATLAS detector at the LHC
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DOI：
10.1140/epjcd/s2005-03-005-9
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发表时间：
2005-04
期刊：
影响因子：
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通讯作者：
C. Hansen;N. Gollub;K. Assamagan;T. Ekelöf
中科院分区：
文献类型：
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作者：
C. Hansen;N. Gollub;K. Assamagan;T. Ekelöf
研究了通过胶子底夸克模式gb→产生带电希格斯玻色子，然后衰变为电荷伴子和中性伴子。计算是基于最小超对称标准模型（MSSM）的参数的特定选择的质量和耦合。信号的特征是三个硬轻子，大量丢失的横向能量由于衰变的中性伴子和电荷伴子和三个硬喷流从强子衰变的顶夸克。研究了在标准模型（SM）和非SM背景下检测信号的可能性。证明了在100 fb-1和300 fb-1的积分光度下发现的5-置信水平区域的存在，其也覆盖了中间区域410，在该区域中衰变为SM粒子不能用于发现。
Charged Higgs boson production via the gluon-bottom quark mode,gb→, followed by its decay into a chargino and a neutralino has been investigated. The calculations are based on masses and couplings given by the Minimal Supersymmetric Standard Model (MSSM) for a specific choice of MSSM parameters. The signature of the signal is characterized by three hard leptons, a substantial missing transverse energy due to the decay of the neutralino and the chargino and three hard jets from the hadronic decay of the top quark. The possibility of detecting the signal over the Standard Model (SM) and non-SM backgrounds was studied for a set ofandmA. The existence of 5-confidence level regions fordiscovery at integrated luminosities of 100 fb-1and 300 fb-1is demonstrated, which cover also the intermediate region 410 wheredecays to SM particles cannot be used fordiscovery.