PRECISION PREDICTIONS AT N3LO FOR THE HIGGS BOSON RAPIDITY - PowerPoint PPT Presentation

BERNHARD MISTLBERGER PRECISION PREDICTIONS AT N3LO FOR THE HIGGS BOSON RAPIDITY DISTRIBUTION with Falko Dulat and Andrea Pelloni

THE LHC THE LHC - AN INCREDIBLE SUCCESS Running since 2009 ▸ Experimental performance excellent and exceeding expectations! ▸ We are still at the 
 ▸ beginning of LHC physics! 300 fb^-1 until end of 2023 ▸ 3000 fb^-1 in HL - LHC ▸

HIGGS BOSON PHYSICS THE LHC - AN INCREDIBLE SUCCESS 4th of July 2012: The beginning of the precision physics age of Higgs boson ▸ phenomenology The SM of Particle Physics is now a complete / self-consistent theory! ▸ The vast amount of data allows us to study the Higgs physics in detail. ▸ ✴ Gain insight in the mechanism of electro-weak symmetry breaking ✴ Investigate the generation of fundamental masses ✴ Determine couplings / interactions with established matter ✴ Explore the limitations of the Standard Model of particle physics.

HIGGS BOSON PHYSICS THE LHC - AN INCREDIBLE SUCCESS 4th of July 2012: The beginning of the precision physics age of Higgs boson ▸ phenomenology ✴ Gain insight in the mechanism of electro-weak symmetry breaking ✴ Investigate the generation of fundamental masses ✴ Determine couplings / interactions with established matter ✴ Explore the limitations of the Standard Model of particle physics. The Method: Predict & Compare. Precision is key!

HIGGS BOSON PHYSICS CURRENT STATUS Physics at 10 % level

HIGGS BOSON PHYSICS THE FUTURE - 3000 FB^-1 Luminosity at 1 % ▸ Couplings better then 5% ▸ Differential Cross Sections get precise ▸

HIGGS BOSON PHYSICS THE FUTURE - 3000 FB^-1

HIGGS BOSON PHYSICS THE FUTURE - 3000 FB^-1 Theory uncertainties!!! OPTIMISTIC Scenario:

HIGGS BOSON PHYSICS THE WAY TO PRECISION HIGGS BOSON PREDICTIONS ▸ Interaction of proton constituents within one proton negligible compared to collision energy: Free Quarks! ▸ Description of proton scattering in terms of interaction of fundamental particles. Length-scale ~ 1 fm Long - range, universal interactions H ~ 10^-4 fm Short - range, 
 process specific hard interaction

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 cross sections. ▸ Partonic cross sections : From first principle QFT. ˆ σ O ( Λ ▸ Intrinsic limitation: = level of target precision. Q ) ∼ 1%