20,471 research outputs found
Industrial policy for the medium to long-term
This report reviews the market failure and systems failure rationales for industrial
policy and assesses the evidence on part experience of industrial policy in the UK.
In the light of this, it reviews options for reshaping the design and delivery of
industrial policy towards UK manufacturing. These options are intended to
encourage a medium- to long-term perspective across government departments
and to integrate science, innovation and industrial policy
The initial singularity in solutions of the Einstein-Vlasov system of Bianchi type I
The dynamics of solutions of the Einstein-Vlasov system with Bianchi I
symmetry is discussed in the case of massive or massless particles. It is shown
that in the case of massive particles the solutions are asymptotic to isotropic
dust solutions at late times. The initial singularity is more difficult to
analyse. It is shown that the asymptotic behaviour there must be one of a small
set of possibilities but it is not clear whether all of these possibilities are
realized. One solution is exhibited in the case of massless particles which
behaves quite differently near the singularity from any Bianchi I solution with
perfect fluid as matter model. In particular the matter is not dynamically
negligeable near the singularity for this solution.Comment: 16 page
Exotic Quark Production in ep Collisions
We investigate the single production and decay of charge -1/3, weak
isosinglet vectorlike exotic quarks in string inspired theories at
future ep colliders; THERA with =1 TeV, L=40 and CERN Large
Hadron Electron Collider (LHeC) with =1.4 TeV, . We
found that an analysis of the decay modes of should probe the mass ranges
of 100-450 GeV and 100-1200 GeV at the center of mass energies, 1 and 1.4 TeV,
respectively.Comment: 13 pages,8 figure
Single and pair production of heavy leptons in model
We investigate the single and pair production of new heavy leptons via string
inspired model at future linear colliders. Signal and corresponding
backgrounds for these leptons are studied. We have found that single production
of heavy leptons is more relevant than that of pair production, as expected.
For a maximal mixing value of 0.1, the upper mass limits of 2750 GeV in the
single case and 1250 GeV in the pair production case are obtained at
TeV collider option.Comment: 14 pages, 10 figure
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