HiggsBounds:用LEP和Tevatron的排斥边界对抗任意希格斯扇区
HiggsBounds: Confronting Arbitrary Higgs Sectors with Exclusion Bounds from LEP and the Tevatron
摘要:
HiggsBounds是一个计算机代码,用于测试具有任意Higgs扇区的模型的理论预测与从LEP和Tevatron的Higgs搜索中获得的排除边界。纳入的实验信息包括95% C. L的排除界限。在拓扑截面上。为了确定哪种搜索拓扑具有最高的排除能力,该程序还包括,对于每个拓扑,来自预期的排除界限的实验的信息,这将在纯背景分布的情况下观察到。使用用户提供的所需模型的预测作为输入,HiggsBounds确定最敏感的通道,并测试所考虑的参数点是否在95% C. L.处被排除。HiggsBounds可作为Fortran 77和Fortran 90代码使用。该代码可以作为命令行版本、子例程版本和在线版本调用。与HiggsBounds得到的排斥界限的例子进行了讨论的标准模型,第四代夸克和轻子的模型和最小超对称标准模型与CP-违反。目前在HiggsBounds中实施的排除界限的实验信息将随着希格斯搜索的新结果而更新。
英文摘要:
HiggsBounds is a computer code that tests theoretical predictions of models with arbitrary Higgs sectors against the exclusion bounds obtained from the Higgs searches at LEP and the Tevatron. The included experimental information comprises exclusion bounds at 95% C.L. on topological cross sections. In order to determine which search topology has the highest exclusion power, the program also includes, for each topology, information from the experiments on the expected exclusion bound, which would have been observed in case of a pure background distribution. Using the predictions of the desired model provided by the user as input, HiggsBounds determines the most sensitive channel and tests whether the considered parameter point is excluded at the 95% C.L. HiggsBounds is available as a Fortran 77 and Fortran 90 code. The code can be invoked as a command line version, a subroutine version and an online version. Examples of exclusion bounds obtained with HiggsBounds are discussed for the Standard Model, for a model with a fourth generation of quarks and leptons and for the Minimal Supersymmetric Standard Model with and without CP-violation. The experimental information on the exclusion bounds currently implemented in HiggsBounds will be updated as new results from the Higgs searches become available.
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