156 citations · 566 across the 16 of their papers we have counts for
9 papers · 1 filter
Determining the mass for an ultralight gravitino at LHC
K. Hamaguchi, S. Shirai, T. T. Yanagida
In supersymmetric (SUSY) models with the gravitino being the lightest SUSY particle (LSP), the SUSY breaking scale (i.e., the gravitino mass) could be determined by measuring the l…
A Problem of the QCD Axion in Supergravity
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
This paper has been withdrawn by the authors due to a crucial error in equation 12.
Composite Messenger Baryon as a Cold Dark Matter
K. Hamaguchi, S. Shirai, T. T. Yanagida
Among various supersymmetric (SUSY) models, gauge-mediated SUSY breaking models with an ultra-light gravitino of mass m_{3/2} \lesssim O(10) eV are very attractive, since they are…
Testing the Anomaly Mediation at the LHC
Shoji Asai, Takeo Moroi, Kazuyuki Nishihara +1
We consider a supersymmetric model in which gaugino masses are generated by the anomaly-mediation mechanism while scalar masses are from tree-level supergravity interaction. In suc…
Inflaton Decay in Supergravity
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
We discuss inflaton decay in supergravity, taking account of the gravitational effects. It is shown that, if the inflaton has a nonzero vacuum expectation value, it generically cou…
Determining the Mass for a Light Gravitino
K. Hamaguchi, S. Shirai, T. T. Yanagida
Gauge mediated supersymmetry breaking scenarios with an ultra-light gravitino of mass m_{3/2}=1-10 eV are very interesting, since there is no cosmological gravitino problem. We pro…