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10 papers · 2 filters
Unitarity-violation in Generalized Higgs Inflation Models
Rose N. Lerner, John McDonald
Unitarity-violation presents a challenge for non-minimally coupled models of inflation based on weak-scale particle physics. We examine the energy scale of tree-level unitarity-vio…
New Q-ball Solutions in Gauge-Mediation, Affleck-Dine Baryogenesis and Gravitino Dark Matter
Francesca Doddato, John McDonald
Affleck-Dine (AD) baryogenesis along a d=6 flat direction in gauge-mediated supersymmetry-breaking (GMSB) models can produce unstable Q-balls which naturally have field strength si…
Simultaneous Generation of WIMP Miracle-like Densities of Baryons and Dark Matter
John McDonald
The observed density of dark matter is of the magnitude expected for a thermal relic weakly-interacting massive particle (WIMP). In addition, the observed baryon density is within…
The curvaton scenario in the MSSM and predictions for non-Gaussianity
Anupam Mazumdar, Seshadri Nadathur
We provide a model in which both the inflaton and the curvaton are obtained from within the minimal supersymmetric Standard Model, with known gauge and Yukawa interactions. Since n…
Statistical Anisotropy and the Vector Curvaton Paradigm
Konstantinos Dimopoulos
The vector curvaton paradigm is reviewed. The mechanism allows a massive vector boson field to contribute to or even generate the curvature perturbation in the Universe. Contributi…
Quarkonium production in high energy proton-proton and proton-nucleus collisions
Z. Conesa del Valle, G. Corcella, F. Fleuret +13
We present a brief overview of the most relevant current issues related to quarkonium production in high energy proton-proton and proton-nucleus collisions along with some perspect…