Model-independent bounds on a light Higgs

被引:230
|
作者
Azatov, Aleksandr [1 ]
Contino, Roberto
Galloway, Jamison
机构
[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 04期
基金
欧洲研究理事会;
关键词
Higgs Physics; Quark Masses and SM Parameters; Technicolor and Composite Models; COMPOSITE HIGGS; BREAKING;
D O I
10.1007/JHEP04(2012)127
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We present up-to-date constraints on a generic Higgs parameter space. An accurate assessment of these exclusions must take into account statistical, and potentially signal, fluctuations in the data currently taken at the LHC. For this, we have constructed a straightforward statistical method for making full use of the data that is publicly available. We show that, using the expected and observed exclusions which are quoted for each search channel, we can fully reconstruct likelihood profiles under very reasonable and simple assumptions. Even working with this somewhat limited information, we show that our method is sufficiently accurate to warrant its study and advocate its use over more naive prescriptions. Using this method, we can begin to narrow in on the remaining viable parameter space for a Higgs-like scalar state, and to ascertain the nature of any hints of new physics - Higgs or otherwise - appearing in the data.
引用
收藏
页数:26
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