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14 papers · 2 filters
Dark Matter from Late Invisible Decays to/of Gravitinos
Rouzbeh Allahverdi, Bhaskar Dutta, Farinaldo S. Queiroz +2
In this work, we sift a simple supersymmetric framework of late invisible decays to/of the gravitino. We investigate two cases where the gravitino is the lightest supersymmetric pa…
Third Generation in Cascade Decays
Bhaskar Dutta, Tianjun Li, James A. Maxin +3
In supersymmetric models with gluinos around 1000-2000 GeV, new physics searches based on cascade decay products of the gluino are viable at the next run of the LHC. We investigate…
Light Higgsino Decays as a Probe of the NMSSM
Bhaskar Dutta, Yu Gao, Bibhushan Shakya
In the Next-to Minimal Supersymmetric Standard Model (NMSSM), a sizable coupling between the singlet and Higgs fields can naturally accommodate the observed Higgs boson mass of…
Probing Compressed Sleptons at the LHC using Vector Boson Fusion Processes
Bhaskar Dutta, Tathagata Ghosh, Alfredo Gurrola +6
The vector boson fusion (VBF) topology at the Large Hadron Collider at 14 TeV provides an opportunity to search for new physics. A feasibility study for the search of sleptons in a…
Two-Field Analysis of No-Scale Supergravity Inflation
John Ellis, Marcos A. G. Garcia, Dimitri V. Nanopoulos +1
Since the building-blocks of supersymmetric models include chiral superfields containing pairs of effective scalar fields, a two-field approach is particularly appropriate for mode…
Confronting Electroweak Fine-tuning with No-Scale Supergravity
Tristan Leggett, Tianjun Li, James A. Maxin +2
Applying No-Scale Supergravity boundary conditions at a heavy unification scale to the Flipped grand unified theory with extra TeV-scale vector-like multiplets, No-S…