Speaker
Marianna Testa
(Istituto Nazionale Fisica Nucleare Frascati (IT))
Description
With the Higgs boson discovery all particles expected from the
Standard Model of Particle Physics have been found. From now on the
main target of the field is to look for signatures of new physics.
The Higgs field potential sector is up to now unexplored and
predicts the presence of a self-interaction coupling among Higgs
bosons.
Being almost unconstrained from the present precision observables, it
is one of the best place to look for beyond standard model
contribution.
The Higgs self-coupling measurement is extremely challenging: even the High Luminosity -
LHC could be not enough to produce a good estimate of its magnitude.
It is therefore the main duty of future projects, like FCC, to
determine their potentiality to its measurement.
The Higgs self-coupling can be extracted from the
double Higgs production cross section measurement.
The two Higgs bosons can decay in a multitude of final
states, in this study we show the sensitivity to the Higgs
self-coupling measurement that can be reached at a future pp collider
at 100 TeV, using the hh -> W(->ln) W(->jj) + b bbar decay channel.
Efficient b-jets tagging and good jets and Missing Transverse Energy (MET) resolution are crucial
ingredients to discriminate the signal from the main background from
top pair production. In this study we will show the effect of
different detector parameters affecting jet and MET reconstruction at
different pile-up conditions, providing a preliminary detector
optimization.
Primary authors
Biagio Di Micco
(Univesita' di Roma 3)
Marianna Testa
(Istituto Nazionale Fisica Nucleare Frascati (IT))
