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Exclusive production of heavy charged Higgs boson pairs in the $p p o p p H^+ H^-$ reaction at the LHC and FCC | | Piotr Lebiedowicz
; Antoni Szczurek
; | | Date: |
11 Feb 2015 | | Abstract: | We calculate differential cross sections for exclusive production of heavy
charged scalar, weakly interacting, particles (charged Higgs bosons, charged
technipions, etc.) via photon-photon fusion in the $p p o p p H^+ H^-$
reaction with exact $2 o 4$ kinematics. We present distributions in
rapidities, transverse momenta and correlations in azimuthal angles between the
protons and between the charged Higgs bosons. As an example, the integrated
cross section for $sqrt{s}$ = 14 TeV (LHC) is about 0.1 fb and about 0.9 fb at
the Future Circular Collider (FCC) for $sqrt{s}$ = 100 TeV when assuming
$m_{H^{pm}}$ = 150 GeV. The results are compared with results obtained within
standard equivalent-photon approximation (EPA) known from the literature. We
discuss the role of the Dirac and Pauli electromagnetic form factors of the
proton. 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 $t$
four-momentum transfers squared. In contrast to diffractive processes, the
larger the collision energy, the smaller the effect of absorption. We discuss a
possibility to measure the exclusive production of two charged Higgs bosons
with the help of so-called forward proton detectors at the LHC experiments. | | Source: | arXiv, 1502.3323 | | Services: | Forum | Review | PDF | Favorites | |
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