12,699 research outputs found
Protecting Children in Conflict: An Unfinished Legal and Moral Agenda
Perhaps no individuals suffer more from the effects of war than our children. This contribution briefly reviews how children have suffered in the past, focusing on those who have been forced to flee their homes and often their families. It does this by describing the international law we have put in place to protect our children fleeing from war. It specifically describes the most important provisions of the corpora of international refugee law, international human rights law, and international humanitarian law. These corpora of law contain the law that has been created to mitigate the suffering of children fleeing armed conflicts. Having described the law, brief attention is given to some of the supplementary instruments that are used to interpret the legal obligations of states. And finally, attention is given to selected shortcomings of the law and the international community's efforts to adequately protect children from the scourge of war. The concluding suggestions emphasize the need to refocus our efforts. We need to make sure that the gaps in the law are closed by agreeing to international law that protects all children forced to flee their homes because of armed conflict. And we need to make sure that we address the causes of war by not losing track of the aspirational goal of ending war foreve
Study of dopants for radiation-resistant silicon Final report
Radiation effects on electrical properties of both aluminum and lithium doped bulk silico
Analysis of Narrow s-channel Resonances at Lepton Colliders
The procedures for studying a single narrow s-channel resonance or nearly
degenerate resonances at a lepton collider, especially a muon collider, are
discussed. In particular, we examine four methods for determining the
parameters of a narrow s-channel resonance: scanning the resonance, measuring
the convoluted cross section, measuring the Breit-Wigner area, and sitting on
the resonance while varying the beam energy resolution. This latter procedure
is new and appears to be potentially very powerful. Our focus is on computing
the errors in resonance parameters resulting from uncertainty in the beam
energy spread. Means for minimizing these errors are discussed. The discussion
is applied to the examples of a light SM-Higgs, of the lightest pseudogoldstone
boson of strong electroweak breaking, and of the two spin-1 resonances of the
Degenerate BESS model (assuming that the beam energy spread is less than their
mass splitting). We also examine the most effective procedures for nearly
degenerate resonances, and apply these to the case of Degenerate BESS
resonances with mass splitting of order the beam energy spread.Comment: 63 pages, 16 figure
A Strong Electroweak Sector at Future mu^+ mu^- Colliders
We discuss the prospects for detecting at a muon collider the massive new
vector resonances V and light pseudo-Nambu-Goldstone bosons P of a typical
strongly interacting electroweak sector (as represented by the BESS model).
Expected sensitivities to V's at a high energy collider are evaluated and the
excellent prospects for discovering P's via scanning at a low energy collider
are delineated.Comment: LaTeX, uses aipproc.cls, aipproc.sty, 10 pages, 6 figures, presented
at the Workshop on Physics at the First Muon Collider, Fermilab, November
1997, to appear in the Proceedings, some references added and minor changes
in the tex
Economies of Size for Conventional Tillage and No-till Wheat Production
Production costs and economies of size for both conventional tillage and no-till wheat production were determined. The reduction in the price of glyphosate after the patent expired improved the relative economics of no-till for continuous monoculture winter wheat. Production costs differ across farm size and by production system.Crop Production/Industries,
Modelling the Combustion of Explosives
When an explosive burns, gaseous products are formed as a result. The interaction of the burning solid and gas is
not well understood. More specifically, the process of the gaseous product heating the explosive is yet to be explored
in detail. The present work is aimed towards filling that gap using mathematical modelling: this aims to track the
temperature profile in the explosive and the gas’s response.
This work begins by modelling single step reactions using the simple Arrhenius model. An alternative asymptotic
approach is also employed. There is close agreement between the results for the full reaction-diffusion problem and
the asymptotic problem. The model is then extended to include three step reaction kinetics, where we again apply
asymptotic analysis in addition to direct computation. Further work outlined briefly at the end includes the motion
of gas being incorporated in the existing model with temperature and pressure distributions considered
Evidence for fast thermalization in the plane-wave matrix model
We perform a numerical simulation of the classical evolution of the
plane-wave matrix model with semiclassical initial conditions. Some of these
initial conditions thermalize and are dual to a black hole forming from the
collision of D-branes in the plane wave geometry. In particular, we consider a
large fuzzy sphere (a D2-brane) plus a single eigenvalue (a D0-particle) going
exactly through the center of the fuzzy sphere and aimed to intersect it.
Including quantum fluctuations of the off-diagonal modes in the initial
conditions, with sufficient kinetic energy the configuration collapses to a
small size. We also find evidence for fast thermalization: rapidly decaying
autocorrelation functions at late times with respect to the natural time scale
of the system.Comment: 5 pages, 5 figures, revtex4 format; v2: minor typos fixed; v3: 8
pages, 9 figures, minor changes, includes a supplement as appeared on PR
Nonperturbative Vertices in Supersymmetric Quantum Electrodynamics
We derive the complete set of supersymmetric Ward identities involving only
two- and three- point proper vertices in supersymmetric QED. We also present
the most general form of the proper vertices consistent with both the
supersymmetric and U(1) gauge Ward identities. These vertices are the
supersymmetric equivalent of the non supersymmetric Ball-Chiu vertices.Comment: seventeen pages late
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