critRHIC: The RHIC Low Energy Program

Recent experimental and theoretical developments have motivated interest in a more detailed exploration of heavy ion collisions in the range sqrt(sNN)=5-15 GeV. In contrast to interactions at the full RHIC energy of sqrt(sNN)=200 GeV, such collisions result in systems characterized by much higher baryon chemical potential, muB. Extensions of lattice QCD calculations to non-zero values of muB suggest that a critical point may exist in this region of the QCD phase diagram. Discovery of the critical point or, equivalently, determining the location where the phase transition from partonic to hadronic matter switches from a smooth crossover to 1st order would establish a major landmark in the phase diagram. Initial studies of Pb+Pb collisions in this energy range have revealed several unexpected features in the data. In response to these results, it has been suggested that the existing RHIC accelerator and experiments can be used to further the investigation of this important physics topic. This proceeding briefly summarizes the theoretical and experimental situation with particular emphasis on the conclusions from a RIKEN BNL workshop held in March of 2006.Comment: 8 pages, 2 figures, Conference Proceeding from Strangeness in Quark Matter 2006, accepted for publication in J. Phys. G; Added final journal reference and fixed typo in Ref

Low cost solar energy collection system

A fixed, linear, ground-based primary reflector having an extended, curved sawtooth contoured surface covered with a metallized polymeric reflecting material, reflected solar energy to a movably supported collector that was kept at the concentrated line focus of the reflector primary. Efficient utilization leading to high temperatures from the reflected solar energy was obtained by cylindrical shaped secondary reflectors that directed off-angle energy to the absorber pipe

Energy and centrality dependence of particle multiplicity in heavy ion collisions from sNN\sqrt{s_{_{NN}}} = 20 to 2760 GeV

The centrality dependence of midrapidity charged-particle multiplicities at a nucleon-nucleon center-of-mass energy of 2.76 TeV from CMS are compared to PHOBOS data at 200 and 19.6 GeV. The results are first fitted with a two-component model which parameterizes the separate contributions of nucleon participants and nucleon-nucleon collisions. A more direct comparison involves ratios of multiplicity densities per participant pair between the different collision energies. The results support and extend earlier indications that the influences of centrality and collision energy on midrapidity charged-particle multiplicities are to a large degree independent.Comment: 5 pages, 2 figures, 1 table, Replaced with published version, v3 has fixed typ

Closed circuit TV system automatically guides welding arc

Closed circuit television /CCTV/ system automatically guides a welding torch to position the welding arc accurately along weld seams. Digital counting and logic techniques incorporated in the control circuitry, ensure performance reliability

Centrality Dependence of Two-Particle Correlations in Heavy Ion Collisions

Data from the PHOBOS detector have been used to study two-particle correlations over a broad range of pseudorapidity. A simple cluster model parameterization has been applied to inclusive two-particle correlations over a range of centrality for both Cu+Cu and Au+Au collisions at sqrt(s_NN)=200GeV. Analysis of the data for Au+Au has recently been extended to more peripheral collisions showing that the previously-observed rise in cluster size with decreasing system size eventually reaches a maximum value. Model studies have been used to quantify the significant effect of limited detector acceptance on the extracted cluster parameters. In the case of Au+Au, correlations between a trigger particle with pT>2.5GeV and inclusive associated particles have also been studied. These reveal the presence of a `ridge' at small relative azimuthal angle which extends with roughly constant amplitude out to the largest relative pseudorapidity studied. The large phase-space coverage of the PHOBOS detector has enabled a quantitative understanding of the so-called `ZYAM' parameter used in the subtraction of the contribution of elliptic flow to these triggered correlations.Comment: 4 pages, 4 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee (version 2: No changes from version 1 other than removing line numbers, version 3: Added full author list and reformatted slightly to keep same number of pages

Spiritual formation training for pregnancy resource centers : measuring spiritual well-being and job satisfaction for pregnancy resource center staff

https://place.asburyseminary.edu/ecommonsatsdissertations/2411/thumbnail.jp

Christian unity in church mergers : the missing peace

https://place.asburyseminary.edu/ecommonsatsdissertations/2243/thumbnail.jp

The Facilitation of Students with Learning Disabilities to Postsecondary Education by Secondary Special Educators

This descriptive research was conducted to collect data concerning the attitudes and policies about transition to postsecondary education by secondary special educators in the State of Illinois. A survey was sent to 208 secondary special educators representing the independent high school districts in the state. The survey measured three variables in relation to size of school: special educators\u27 awareness of postsecondary educational opportunities, special educators\u27 expectations for students labeled learning disabled to pursue postsecondary education, and current practices for serving high school students labeled learning disabled. The findings showed that there were more likenesses than differences in the transition attitudes and practices of secondary special educators in large and small schools in the State of Illinois. Out of sixteen items analyzed a priori, only one item showed a significant difference. That difference was that a higher percentage of special educators from large schools were aware of postsecondary programs for students labeled learning disabled. In only one out of three variables, level of awareness, was there a significant difference based upon school size. There is a need in future research to focus on establishing criteria as to what levels schools are functioning at on these variables, so that intervention and staff-training can more readily and profitably be developed