期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2012)036
关键词
Higgs Physics; Beyond Standard Model
资金
- Belgian Federal Office for Scientific, Technical and Cultural Affairs [P6/11]
- ERC [204072]
- European Commission under the ERC [226371 MassTeV, PITN-GA-2009-237920 UNILHC]
- European Research Council (ERC) [204072] Funding Source: European Research Council (ERC)
Effective interactions involving both the top quark and the Higgs field are among the least constrained of all possible (gauge invariant) dimension-six operators in the Standard Model. Such a handful of operators, in particular the top quark chromomagnetic dipole moment, might encapsulate signs of the new physics responsible for electroweak symmetry breaking. In this work, we compute the contributions of these operators to inclusive Higgs and t (t) over barh productions. We argue that: i) rather strong constraints on the overall size of these operators can already be obtained from the current limits/evidence on Higgs production at the LHC; ii) t (t) over barh production will provide further key information that is complementary to t (t) over bar measurements, and the possibility of discriminating among different contributions by performing accurate measurements of total and differential rates.
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