We present a comprehensive review of physics effects generated by leptoquarks (LQs), ie,
hypothetical particles that can turn quarks into leptons and vice versa, of either scalar or …

The aim of this review is to demonstrate that there exists a coherent picture of strong
interactions, based on instantons. Starting from the first principles of Quantum …

A bstract Heavy scalar and pseudoscalar resonance searches through the\(gg\to S\to
t\overline {t}\) process are challenging due to the peculiar behavior of the large interference …

A bstract We study the recently reported excess in the diphoton resonance search by ATLAS
and CMS. We investigate the available parameter space in the combined run-1 and run-2 …

We consider the possibility that the diphoton excess at 750 GeV is caused by a new scalar
resonance produced in photon fusion. This scenario is parametrized by only one relevant …

A bstract We consider interpretations of the recent∼ 3σ reports by the CMS and ATLAS
collaborations of a possible X (∼ 750 GeV) state decaying into γγ final states. We focus on …

We consider the possibility of an enlarged QCD color group, SU (3+ N′) spontaneously
broken to SU (3) c× SU (N′) with extra vectorlike quarks transforming in the fundamental …

We consider the phenomenology of a resonance that couples to photons but not gluons, and
estimate its production rate at the LHC from photon-photon fusion in elastic pp scattering …

A bstract In this paper we explore the possibility of a pseudoscalar resonance to account for
the 750 GeV diphoton excess observed both at ATLAS and at CMS. We analyze the …

A bstract We study the conditions for a new scalar resonance to be observed first in
diphotons at the LHC Run-2. We focus on scenarios where the scalar arises either from an …