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2013•CNR Solar (Scientific Open-access Literature Archive and Repository) (Consiglio Nazionale delle Ricerche)Open access

Searches for the standard model Higgs boson at CMS

Emanuele Di Marco

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Abstract

We searched for the standard model Higgs boson using approximately 5 fb−1 of 7TeV pp collisions data collected with the CMS detector at LHC. We exclude at 95% confidence level a standard model Higgs boson with mass between 127.5 and 600 GeV. The expected 95% confidence level exclusion if the Higgs boson is not present is from 114.5 and 543GeV. The most significant excess is observed at 125 GeV with a local significance of 2.8σ. The excess is consistent both \nwith background fluctuation and a standard model Higgs boson with mass of about 125 GeV.

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We searched for the standard model Higgs boson using approximately 5 fb−1 of 7TeV pp collisions data collected with the CMS detector at LHC. We exclude at 95% confidence level a standard model Higgs boson with mass between 127.5 and 600 GeV. The expected 95% confidence level exclusion if the Higgs boson is not present is from 114.5 and 543GeV. The most significant excess is observed at 125 GeV with a local significance of 2.8σ. The excess is consistent both \nwith background fluctuation and a standard model Higgs boson with mass of about 125 GeV.

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Available abstract

We searched for the standard model Higgs boson using approximately 5 fb−1 of 7TeV pp collisions data collected with the CMS detector at LHC. We exclude at 95% confidence level a standard model Higgs boson with mass between 127.5 and 600 GeV. The expected 95% confidence level exclusion if the Higgs boson is not present is from 114.5 and 543GeV. The most significant excess is observed at 125 GeV with a local significance of 2.8σ. The excess is consistent both \nwith background fluctuation and a standard model Higgs boson with mass of about 125 GeV.

Key concepts: Higgs boson, Particle physics, Physics, Standard Model (mathematical formulation), Minimal Supersymmetric Standard Model, Physics beyond the Standard Model, Nuclear physics, History

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