TL;DR
This paper combines electroweak precision data with collider search results to estimate the Higgs boson mass, concluding it is around 125 GeV with high statistical significance, based on data up to 2012.
Contribution
It introduces a method to determine the Higgs mass by combining multiple data sources without requiring a look-elsewhere effect correction.
Findings
Estimated Higgs mass is 124.5 ± 0.8 GeV from 2011 data.
Updated Higgs mass estimate is 125.5 ± 0.5 GeV from 2012 data.
Observed a 6.8 sigma combined significance for the Higgs signal.
Abstract
Assuming the validity of the Standard Model, or more generally that possible physics beyond it would have only small effects on production cross sections, branching ratios and electroweak radiative corrections, I determine the mass of the Higgs boson to 124.5 +- 0.8 GeV at the 68% CL. This is arrived at by combining electroweak precision data with the results of Higgs boson searches at LEP 2, the Tevatron, and the LHC as of december of 2011. The statistical interpretation of the method does not require a look-elsewhere effect correction. The method is then applied to the data available at the time of the 2012 summer conferences. In this case, a remarkable bell-shaped M_H distribution is observed, and M_H = 125.5 +- 0.5 GeV is extracted. The significance of the bulk (signal) region of the distribution of neither experiment actually exceeds five standard deviations, but the combination…
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · Distributed and Parallel Computing Systems