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Healthy Research Rewards
ResearchHub is incentivizing healthy research behavior. At this time, first authors of open access papers are eligible for rewards. Visit the publications tab to view your eligible publications.
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Andrea E. Martin
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Discrete Gauge Symmetry and Aharonov-Bohm Radiation in String Theory
Hesham Osman
et al.
Oct 15, 2013
We investigate cosmological constraints on phenomenological models withdiscrete gauge symmetries by discussing the radiation of standard modelparticles from Aharonov-Bohm strings. Using intersecting D-brane models in TypeIIA string theory, we demonstrate that Aharonov-Bohm radiation, when combinedwith cosmological observations, imposes constraints on the compactificationscales.
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Probing Light Higgsinos in Natural SUSY from Monojet Signals at the LHC
Hesham Osman
et al.
Oct 16, 2013
We investigate a strategy to search for light, nearly degenerate higgsinoswithin the natural MSSM at the LHC. We demonstrate that the higgsino mass range$\mu$ in $100-150$ GeV, which is preferred by the naturalness, can be probed at$2\sigma$ significance through the monojet search at 14 TeV HL-LHC with 3000fb$^{-1}$ luminosity. The proposed method can also probe certain region in theparameter space for the lightest neutralino with a high higgsino purity, thatcannot be reached by planned direct detection experiments at XENON-1T(2017).
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Indirect Probe of Electroweakly Interacting Particles at the High-Luminosity Large Hadron Collider
Hesham Osman
et al.
Nov 15, 2017
Many extensions of the standard model (SM) involve new massive particlescharged under the electroweak gauge symmetry. The electroweakly interacting newparticles affect various SM processes through radiative corrections. We discussthe possibility of detecting such new particles based on the precisemeasurement of the SM processes at high energy hadron colliders. It then turnsout that Drell-Yan processes receive radiative corrections from theelectroweakly interacting particles at the level of ${\cal O}$(0.1-10) %. It ishence possible to indirectly search for the Higgsino up to the mass of 400 GeVand the quintet (5-plet) Majorana fermion up to the mass of 1200 GeV at thehigh-luminosity running of the Large Hadron Collider, if the systematicuncertainty associated with the estimation of the SM background becomes lowerthan the statistical one.
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