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|Paper IPM / Particles / 15216||
We perform a search for beyond the standard model dimension-six operators
relevant to the Higgs boson at the Large Hadron Electron Collider (LHeC) and the Future Circular Hadron Electron Collider (FCC-he).
With a large amount of data (few ab−1) and collisions at TeV scale, both LHeC and FCC-he provide excellent opportunities
to search for the BSM effects.
The study is done through the process e−p → h j νe where the Higgs boson decays into a pair of b ―b
and we consider the main sources of background processes including a realistic simulation of detector effects.
For the FCC-he case, in some signal scenarios to obtain an efficient event reconstruction and to have a good background rejection,
jet substructure techniques are employed to reconstruct the boosted Higgs boson in the final state.
In order to assess the sensitivity to the dimension-six operators, a shape analysis on the differential cross sections is performed.
Stringent bounds are found on the Wilson coefficients
of dimension-six operators with the integrated luminosities of 1 ab−1 and 10 ab−1 which in some cases show improvements
with respect to the high-luminosity LHC results.
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