In scenarios with extra dimensions and TeV-scale quantum gravity, black holes are expected to be produced copiously at center-of-mass energies above the fundamental Planck scale. The Large Hadronâ€¦ (More)

We have studied bounds on the neutrino mass using new data from the Sloan Digital Sky Survey measurement of the baryon acoustic peak. We find that even in models with a running spectral index whereâ€¦ (More)

In scenarios with extra dimensions and TeV-scale quantum gravity, black holes are expected to be produced in the collision of light particles at center-of-mass energies above the fundamental Planckâ€¦ (More)

Under the assumption that some part of the observed highest energy cosmic rays consists of protons originating from cosmological distances, we derive bounds on the associated flux of neutrinosâ€¦ (More)

Resonant photopion production with the cosmic microwave background predicts a suppression of extragalactic protons above the famous Greisenâ€“Zatsepinâ€“Kuzmin cutoff at about EGZK â‰ˆ 5Ã—10 10 GeV. Currentâ€¦ (More)

We propose a scenario in which a simple power-like primary spectrum for protons with sources at cosmological distances leads to a quantitative description of all the details of the observed cosmicâ€¦ (More)

We have studied bounds on the neutrino mass using new data from the WMAP 3 year data, the Sloan Digital Sky Survey measurement of the baryon acoustic peak, the Type Ia supernovae from SNLS, and theâ€¦ (More)

We show that all features of the ultrahigh energy cosmic ray spectrum from 10 17 eV to 10 21 eV can be described with a simple power-like injection spectrum of protons under the assumption that theâ€¦ (More)

We review the perhaps most exciting phenomenology of models with extra spatial dimensions and Planck scale near TeV: the production of mini black holes in ultrahigh energy particle collisions, andâ€¦ (More)

Physical review. E, Statistical, nonlinear, andâ€¦

2001

In this paper, a deterministic model, which considers the three Frank elastic constants, is introduced. It is based on a lattice model and a director is used to represent the orientation of theâ€¦ (More)