31,111 research outputs found
Prospects for natural SUSY
As we anticipate the first results of the 2016 run, we assess the discovery
potential of the LHC to `natural supersymmetry'. To begin with, we explore the
region of the model parameter space that can be excluded with various
centre-of-mass energies (13 TeV and 14 TeV) and different luminosities (20
fb, 100 fb, 300 fb and 3000 fb). We find that the
bounds at 95% CL on stops vary from GeV expected
this summer to GeV at the end of the high
luminosity run, while gluino bounds are expected to range from
GeV to GeV over the
same time period. However, more pessimistically we find that if no signal
begins to appear this summer, only a very small region of parameter space can
be discovered with 5- significance. For this conclusion to change, we
find that both theoretical and systematic uncertainties will need to be
significantly reduced.Comment: 19 pages, 13 figures, minor changes, Phys.Rev.D versio
CheckMATE 2: From the model to the limit
We present the latest developments to the CheckMATE program that allows
models of new physics to be easily tested against the recent LHC data. To
achieve this goal, the core of CheckMATE now contains over 60 LHC analyses of
which 12 are from the 13 TeV run. The main new feature is that CheckMATE 2 now
integrates the Monte Carlo event generation via Madgraph and Pythia 8. This
allows users to go directly from a SLHA file or UFO model to the result of
whether a model is allowed or not. In addition, the integration of the event
generation leads to a significant increase in the speed of the program. Many
other improvements have also been made, including the possibility to now
combine signal regions to give a total likelihood for a model.Comment: 53 pages, 6 figures; references updated, instructions slightly
change
Van der Waals bond lengths and electronic spectral shifts of the benzene---Kr and benzene---Xe complexes
Rotationally resolved UV-spectra are presented for the 610 bands of benzene---Kr and benzene---Xe complexes yielding precise rotational constants and van der Waals bond lengths for the ground and excited vibronic state, and electronic band shifts. These value complement the previously published data for the other rare gases and the various quantities have now been determined for all the benzene—rare gas complexes. Measured values of the bond length were used to calculate the band shifts from recent theoretical predictions. They are compared with the experimental values of this work
The secondary metabolite bioinformatics portal:Computational tools to facilitate synthetic biology of secondary metabolite production
AbstractNatural products are among the most important sources of lead molecules for drug discovery. With the development of affordable whole-genome sequencing technologies and other ‘omics tools, the field of natural products research is currently undergoing a shift in paradigms. While, for decades, mainly analytical and chemical methods gave access to this group of compounds, nowadays genomics-based methods offer complementary approaches to find, identify and characterize such molecules. This paradigm shift also resulted in a high demand for computational tools to assist researchers in their daily work. In this context, this review gives a summary of tools and databases that currently are available to mine, identify and characterize natural product biosynthesis pathways and their producers based on ‘omics data. A web portal called Secondary Metabolite Bioinformatics Portal (SMBP at http://www.secondarymetabolites.org) is introduced to provide a one-stop catalog and links to these bioinformatics resources. In addition, an outlook is presented how the existing tools and those to be developed will influence synthetic biology approaches in the natural products field
Edge effects in electrostatic calibrations for the measurement of the Casimir force
We have performed numerical simulations to evaluate the effect on the
capacitance of finite size boundaries realistically present in the parallel
plane, sphere-plane, and cylinder-plane geometries. The potential impact of
edge effects in assessing the accuracy of the parameters obtained in the
electrostatic calibrations of Casimir force experiments is then discussed
Thick films of YSZ electrolytes by dip-coating process
Yttria stabilized zirconia (YSZ, 8% Y2O3) thick films were coated on porous Ni-YSZ substrates using the dip-coating process and a suspension with a new formulation. The
suspension was obtained by addition of a polymeric matrix in a stable suspension of a commercial YSZ (Tosoh) powders dispersed in an azeotropic MEK-EtOH mixture. The green layers were densified after an optimization of the suspension composition. YSZ Tosoh particles encapsulated by a zirconium alkoxide sol and added with colloidal alkoxide
precursor are used to load the suspension. The in situ growth of these colloids increases significantly the layers density after an appropriated heat treatment. The obtained films are continuous, homogeneous and 20 μm thick. Different microstructures are obtained depending on the synthesis parameters of the suspension
Microscopic traffic models, accidents, and insurance losses
The paper develops a methodology to enable microscopic models of transportation systems to be accessible for a statistical study of traffic accidents. Our approach is intended to permit an understanding not only of historical losses but also of incidents that may occur in altered, potential future systems. Through such a counterfactual analysis, it is possible, from an insurance, but also from an engineering perspective, to assess the impact of changes in the design of vehicles and transport systems in terms of their impact on road safety and functionality. Structurally, we characterize the total loss distribution approximatively as a mean-variance mixture. This also yields valuation procedures that can be used instead of Monte Carlo simulation. Specifically, we construct an implementation based on the open-source traffic simulator SUMO and illustrate the potential of the approach in counterfactual case studies
Arc River: Geo-Referenced Representation of River Hydrodymnamics
Source: ICHE Conference Archive - https://mdi-de.baw.de/icheArchiv
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