Sensitivities of prospective future e + e - colliders to decoupled new physics
Abstract
We explore the indirect sensitivities to decoupled new physics of prospective precision electroweak measurements, triple-gauge-coupling measurements and Higgs physics at future e + e - colliders, with emphasis on the ILC250 and FCC-ee. The Standard Model effective field theory (SM EFT) is adopted as a model-independent approach for relating experimental precision projections to the scale of new physics, and we present prospective constraints on the Wilson coefficients of dimension-6 operators. We find that in a marginalised fit ILC250 EWPT measurements may be sensitive to new physics scales Λ = {O}(10) TeV, and FCC-ee EWPT measurements may be sensitive to Λ = {O}(30) TeV. The prospective sensitivities of Higgs and TGC measurements at the ILC250 (FCC-ee) are to Λ = {O}(1) TeV Λ = {O}(2) TeV).
- Publication:
-
Journal of High Energy Physics
- Pub Date:
- March 2016
- DOI:
- 10.1007/JHEP03(2016)089
- arXiv:
- arXiv:1510.04561
- Bibcode:
- 2016JHEP...03..089E
- Keywords:
-
- Beyond Standard Model;
- Higgs Physics;
- High Energy Physics - Phenomenology;
- High Energy Physics - Experiment
- E-Print:
- 19 pages