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arXiv 1102.0704hep-phhep-ex
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LHC上非标准希格斯玻色子的关联产生

Associated Production of Non-Standard Higgs Bosons at the LHC

David E. Kaplan, Matthew McEvoy

摘要:

我们讨论了在大型强子对撞机上通过一对(伪)标量看到一个衰变为四个部分子的希格斯玻色子的可行性。我们将我们的搜索限制在与W/Z玻色子在高横动量下结合产生的希格斯玻色子玻色子。我们认为,subjet分析技术是一个很好的判别这样的事件和W/Z加喷气机和顶-反顶生产。对于轻标量质量(低于30 GeV),我们发现证据表明,在100 fb^-1的数据下,对这种非标准的希格斯玻色子玻色子进行与味道无关的搜索是合理的,而希格斯玻色子衰变为更重标量的过程只有在标量衰变为b夸克占主导地位的模型中才有可能看到。

英文摘要:

We discuss the feasibility of seeing a Higgs boson which decays to four partons through a pair of (pseudo-)scalars at the LHC. We restrict our search to Higgs bosons produced in association with a W/Z boson at high transverse momentum. We argue that subjet analysis techniques are a good discriminant between such events and W/Z plus jets and top-antitop production. For light scalar masses (below 30 GeV), we find evidence that a flavor-independent search for such a non-standard Higgs boson is plausible with 100 fb^-1 of data, while a Higgs decaying to heavier scalars is only likely to be visible in models where scalar decays to b quarks dominate.

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