Sounding the dark cosmos

Cosmos and Particles: a Different View of Dark Matter

Dark matter clustered in galaxies or clusters is usually interpreted as a new type of material substance subject only to gravitational force. Alternative explanations envisage deviations of the laws of gravity, of the equations of motion or of both from their commonly accepted form. The additional possibility is explored here that the true origin of the effects depicted as “dark matter” should ...

DARK MATTER IN THE COSMOS- Its Direct Detection and the role of Nuclear Physics.

Exotic dark matter together with dark energy or cosmological constant seem to dominate in the Universe. An even higher density of such matter seems to be gravitationally trapped in our Galaxy. The nature of dark matter can be unveiled only, if it is detected in the laboratory. Thus the accomplishment of this task is central to physics and cosmology. Current fashionable supersymmetric models pro...

Dark Matter in the Cosmos- Exploiting the Signatures of Its Interaction with Nuclei

We review various issues related to the direct detection of constituents of dark matter, which are assumed to be Weakly Interacting Massive Particles (WIMPs). We specifically consider heavy WIMPs such as: 1) The lightest supersymmetric particle LSP or neutralino. 2) The lightest Kaluza-Klein particles in theories of extra dimensions and 3) other extensions of the standard model. In order to get...

Random ? Is the Cosmos

Few of Albert Einstein’s sayings have been as widely quoted as his remark that God does not play dice with the universe. People have naturally taken his quip as proof that he was dogmatically opposed to quantum mechanics, which views randomness as a built-in feature of the physical world. When a radioactive nucleus decays, it does so spontaneously; no rule will tell you when or why. When a part...

The Evolution of Cosmos