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arXiv 0906.0957hep-phastro-ph.COhep-ex
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超对称破缺中介模型的选择

Selecting a Model of Supersymmetry Breaking Mediation

S. S. AbdusSalam, B. C. Allanach, M. J. Dolan, F. Feroz, M. P. Hobson

摘要:

本文研究了最小超对称标准模型中超对称破缺机制的选择问题。我们评估了四个超对称破缺场景的贝叶斯证据:mSUGRA,mGMSB,mAMSB和模量调解。结果显示出强烈的依赖于暗物质假设。使用推断的宇宙学遗迹密度作为上限,最小的异常调解至少是中等青睐CMSSM。我们的拟合还表明,mu参数的正符号的证据充其量是中等的。我们目前的异常和规范介导的参数空间和一些以前未探索的方面的暗物质现象学的模量调解方案的限制。我们使用sparticle搜索,间接观测值和暗物质观测值在全球拟合和量化的鲁棒性方面的先验选择。我们量化了每个约束中包含的信息量。

英文摘要:

We study the problem of selecting between different mechanisms of supersymmetry breaking in the Minimal Supersymmetric Standard Model using current data. We evaluate the Bayesian evidence of four supersymmetry breaking scenarios: mSUGRA, mGMSB, mAMSB and moduli mediation. The results show a strong dependence on the dark matter assumption. Using the inferred cosmological relic density as an upper bound, minimal anomaly mediation is at least moderately favoured over the CMSSM. Our fits also indicate that evidence for a positive sign of the mu parameter is moderate at best. We present constraints on the anomaly and gauge mediated parameter spaces and some previously unexplored aspects of the dark matter phenomenology of the moduli mediation scenario. We use sparticle searches, indirect observables and dark matter observables in the global fit and quantify robustness with respect to prior choice. We quantify how much information is contained within each constraint.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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