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13 papers · 2 filters
MSSM Constraints from Higgs Boson Searches
Andre Sopczak
The LEP era has brought immense progress in searches for Higgs bosons over the last 12 years which will guide searches at future colliders. The evolution of the Higgs boson mass li…
Complete LEP Data: Status of Higgs Boson Searches
Andre Sopczak
The LEP experiments completed data-taking in November 2000. New preliminary combined results of the four LEP experiments ALEPH, DELPHI, L3 and OPAL are presented for various Higgs…
Hubble-induced radiative corrections and Affleck-Dine Baryogenesis
Rouzbeh Allahverdi, Manuel Drees, Anupam Mazumdar
We examine the viability of the Affleck-Dine mechanism for baryogenesis under radiatively induced running of soft breaking of the flat directions stemming from non…
The failure of cosmological perturbation theory in the new ekpyrotic and cyclic ekpyrotic scenarios
D H Lyth
Cosmological perturbation theory fails in the new ekpyrotic and cyclic ekpyrotic scenarios, before the scale factor of the Universe reaches zero. As a result, a recently-proposed r…
Generating the curvature perturbation without an inflaton
David H. Lyth, David Wands
We present a mechanism for the origin of the large-scale curvature perturbation in our Universe by the late decay of a massive scalar field, the curvaton. The curvaton is light dur…
Late decaying axino as CDM and its lifetime bound
Hang-Bae Kim, Jihn E. Kim
The axino with mass in the GeV region can be cold dark matter(CDM) in the galactic halo. However, if R-parity is broken, for example by the bilinear terms , then axino($\tilde…