The impact of the ATLAS zero-lepton, jets and missing momentum search on a CMSSM fit

The impact of the ATLAS zero-lepton, jets and missing momentum search on a CMSSM fit
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ATLAS 零轻子、喷流和缺失动量搜索对 CMSSM 拟合的影响

DOI:
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发表时间:
2011
期刊:
影响因子:
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通讯作者:
S. Williams
S. Williams
中科院分区:
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文献类型:
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作者:
B. Allanach;T. J. Khoo;C. Lester;S. Williams

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最近的ATLAS数据显着扩展了超对称粒子的排斥极限。我们研究了这些数据对约束最小超对称标准模型(CMSSM)与间接和宇宙学数据的全局拟合的影响。我们计算ATLAS搜索的似然图,考虑到信号和背景的系统误差。我们验证了我们的计算对ATLAS测定95%的置信水平(C.L.)排除轮廓。然后,通过似然图重新加权先前的CMSSM全局拟合,该似然图在全局拟合的高概率密度区域咬一口,将标量和Gaugino质量推高。
Recent ATLAS data significantly extend the exclusion limits for supersymmetric particles. We examine the impact of such data on global fits of the constrained minimal supersymmetric standard model (CMSSM) to indirect and cosmological data. We calculate the likelihood map of the ATLAS search, taking into account systematic errors on the signal and on the background. We validate our calculation against the ATLAS determinaton of 95% confidence level (C.L.) exclusion contours. A previous CMSSM global fit is then re-weighted by the likelihood map, which takes a bite at the high probability density region of the global fit, pushing scalar and gaugino masses up.
DOI: 10.1103/physrevlett.106.131802
发表时间: 2011-02
影响因子: 8.6
作者:
The Atlas Collaboration
通讯作者: The Atlas Collaboration
从 LHC 数据有效重建受限 MSSM 参数:案例研究
DOI: 10.1103/physrevd.82.055003
发表时间: 2010
期刊: Physical Review D
影响因子: 5
作者:
Roszkowski L
通讯作者: Roszkowski L