Speakers
Antoni Szczurek
(Institute of Nuclear Physics)
Piotr Lebiedowicz
(Institute of Nuclear Physics PAN)
Description
We present differential cross sections for production
of charged scalar, weakly interacting, particles
via photon-photon fusion in the $p p \to p p H^+ H^-$ reaction
with exact kinematics.
We give predictions for $\sqrt{s}$ = 14~TeV (LHC)
and at the Future Circular Collider (FCC) for
$\sqrt{s}$ = 100~TeV.
We present distributions in rapidities, transverse momenta and
correlations in azimuthal angles between the protons and between the
charged Higgs bosons.
The results are compared with those obtained within
equivalent-photon approximation.
We discuss the role of the Dirac and Pauli electromagnetic form factors
of the proton.
We discuss also first calculations of cross section for
exclusive diffractive pQCD mechanism
with estimated limits on the $g_{h H^+ H^-}$ coupling constant
within 2HDM based on the LHC experimental data.
The diffractive contribution is much smaller than
the $\gamma \gamma$ one.
Absorption corrections are calculated for the first time
differentially for various distributions.
In general, they lead to a damping of the cross section.
The damping depends on $M_{H^{+}H^{-}}$ invariant mass
and on four-momentum transfers squared in the proton line.
We discuss a possibility to measure the exclusive production of
two charged Higgs bosons with the help of so-called forward proton
detectors.
Literature:
P. Lebiedowicz and A. Szczurek, Phys. Rev. D91 (2015) 095008.
Author
Antoni Szczurek
(Institute of Nuclear Physics)
Co-author
Piotr Lebiedowicz
(Institute of Nuclear Physics PAN)
