17,433 research outputs found
Colour Confinement and Deformed Baryons in Quantum Chromodynamics
The confinement of coloured entities in Quantum Chromodynamics (QCD) is
traced to colour singletness of the observed entities. This is believed to
arise from colour singlet state of quark-antiquark for mesons and a fully
colour antisymmetric state for baryons. This demands a spherically symmetric
baryon in the ground state. However it is pointed out that a deformed baryon in
the ground state has been found to be extremely successful phenomenology. There
are convincing experimental supports for a deformed nucleon as well. This means
that something has been missed in the fundamental theory. In this paper this
problem is traced to a new colour singlet state for baryons which has been
missed hitherto and incorporation of which provides a consistent justification
of a deformed baryon in the ground state. Interestingly this new colour singlet
state is global in nature.Comment: 5 pages, 1 figur
Evidence for Compact Dark Matter in Galactic Halos
Clumped dark matter arises naturally within the framwork of generic
cosmological dark matter models. Invoking the existence of dark matter clumps
can also solve may unexplained mysteries in astrophysics and geology or
geophysics, eg. the galactic gamma-ray halo and the periodic terrestrial flood
basalt volcanic episodes. Clumped dark matter is dynamically stable to friction
and will not heat the disk. Such clumps may have already been discovered in the
form of dwarf spheroidals, and further searches are encouraged by the results
of this paper.Comment: Revised Version, includes new relevant references, Latex File, 16
pages, no figure
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