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- High Energy Accelerator Research OrganizationJP16 papers
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7 papers · 1 filter
susy23 v2.0: an Event Generator for Supersymmetric Processes at Colliders
J. Fujimoto, K. Hikasa, T. Ishikawa +11
\susy23 is a Monte-Carlo package for generating supersymmetric (SUSY) processes at colliders. Twenty-three types of SUSY processes with 2 or 3 final state particles at tre…
Higgs Particle Decays in Supersymmetry
A. Bartl, H. Eberl, K. Hidaka +3
We present a detailed study of the decays of the Higgs bosons , , and within the Minimal Supersymmetric Standard Model including SUSY--QCD corrections. We find that…
Thermodynamics of the 2D Hubbard model
F. Mancini, D. Villani, H. Matsumoto
A theoretical analysis of the thermodynamic response functions of the 2D single-band Hubbard model is realized by means of the composite operator method. It is shown that all the f…
Possible Excess in Charged Current Events with High-Q^2 at HERA from Stop and Sbottom Production
T. Kon, T. Matsushita, T. Kobayashi
We investigate a production process $e^+p \to \st X \to \sb W^+ X$ at HERA, where we consider a decay mode $\sb \to \barν_e d$ of the sbottom in the framework of an R-parity breaki…
The two-dimensional t-t'-U model as a minimal model for cuprate materials
Adolfo Avella, Ferdinando Mancini, Dario Villani +1
The addition to the Hubbard Hamiltonian of a t' diagonal hopping term, which is considered to be material dependent for high-Tc cuprate superconductors, is generally suggested to o…
Stops in R-parity Breaking Model for High- Events at HERA
T. Kon, T. Kobayashi
We investigate an event excess in the reaction with large and high observed at HERA and show that the events could naturally be interpreted as a signatur…