Neutrino energy reconstruction from one muon and one proton events

We propose a new method of selection of high purity charge current quasielastic neutrino events with a good reconstruction of interacting neutrino energy. Performance of the method was verified with several tests using GENIE, NEUT and NuWro Monte Carlo events generators with carbon and argon targets. The method can be useful in neutrino oscillation studies with a few GeV energy beams.Comment: 8 pages, 5 figure

Gli2, hedgehog and TCR signalling

Editoria

A Note on W Production at HERA

We discuss W boson production at HERA including NLO QCD corrections.Comment: 2 pages, latex, 2 figures, Contribution to the 3rd UK Phenomenology Workshop on HERA Physics, Durham, 20-25 Sep. 199

Intense and Highly Energetic Atmospheric Pressure Plasma Jet Arrays

This thesis documents the efforts taken to produce highly ionized and concentrated atmospheric pressure plasma using an arrayed atmospheric pressure plasma jet (APPJ) system. The honeycomb-shaped array features seven plasma jets operating in close enough proximity to one another to exhibit jet-to-jet coupling behavior. Optimal gas flow rates for the system were determined and intense plasma plumes composed of argon and/or helium are generated. Optical emission spectroscopy was employed to observe the charged particles responsible for the emissions of each gas discharge and APPJ operation mode. Plasma etching of indium tin oxide glass was conducted to verify the highly energetic properties of a plasma generated using two dissimilar gases, in order to confirm the possibility of plasma coupling between them

Visualization of task execution in ABB 800xA

The 1131-tasks that execute within the 800xA controller have been visualized by implementing three components extending the functionality of the 800xA control and automation platform. The components named TaskVisualizerCommServer (TSCS) and TaskVisualizerCommClient (TSCC) have been added to the controller and control builder respectively and are responsible for data collection and networking. The third component named Visualizer is a stand alone component handling graphical presentation and associated data handlin

A QCD analysis of HERA and fixed target structure function data

The parton momentum densities in the proton are obtained from a NLO QCD analysis of structure functions measured by HERA and fixed target experiments. The uncertainties in these parton densities, the structure functions and related cross sections are estimated from the experimental errors, taking into account all correlations. Standard Model predictions for the charged current Born cross sections at large x and Q2 are calculated and compared with recent data from ZEUS.Comment: 4 pages LaTeX, 5 eps figures, uses npb.sty. Presented at DIS99, Zeuthen, Germany, April 19-23, 199

Notes from the Corners of Noon

Lisa Furmanski recently returned from several years of doing hospice care and working with antroretroviral care in Uganda. She is now a physician at Hitchcock Clinic at Dartmouth College

QCD Evolution Equations: Numerical Algorithms from the Laguerre Expansion

A complete numerical implementation, in both singlet and non-singlet sectors, of a very elegant method to solve the QCD Evolution equations, due to Furmanski and Petronzio, is presented. The algorithm is directly implemented in x-space by a Laguerre expansion of the parton distributions. All the leading-twist distributions are evolved: longitudinally polarized, transversely polarized and unpolarized, to NLO accuracy. The expansion is optimal at finite x, up to reasonably small x-values ($x\approx 10^{-3}$), below which the convergence of the expansion slows down. The polarized evolution is smoother, due to the less singular structure of the anomalous dimensions at small-x. In the region of fast convergence, which covers most of the usual perturbative applications, high numerical accuracy is achieved by expanding over a set of approximately 30 polynomials, with a very modest running time.Comment: 30 pages, 13 figure

Shh production and Gli signaling is activated in vivo in lung, enhancing the Th2 response during a murine model of allergic asthma

The pathophysiology of allergic asthma is driven by T-helper 2 (Th2) immune responses following aeroallergen inhalation. The mechanisms that initiate, potentiate and regulate airways allergy are incompletely characterized. We have previously shown that Hedgehog (Hh) signaling to T-cells, via downstream Gli transcription factors, enhances T-cell conversion to a Th2 phenotype. Here, we show for the first time that Gli-dependent transcription is activated in T-cells in vivo during murine allergic airways disease (AAD) a model for the immunopathology of asthma; and that genetic repression of Gli signaling in Tcells decreases the differentiation and/or recruitment of Th2 cells to the lung. We report that T-cells are not the only cells capable of expressing activated Gli during AAD. A substantial proportion of eosinophils and lung epithelial cells, both central mediators of the immunopathology of asthma, are also able to undergo Hh/Gli signaling. Finally, we show that Shh increases Il4 expression in eosinophils. We therefore propose that Hh signaling during AAD is complex, involving multiple cell types, signaling in an auto- or paracrine fashion. Improved understanding of the role of this major morphogenetic pathway in asthma may give rise to new drug targets for this chronic condition

Magnetic Exploration of the Crescent Formation, Washington: The search for a hidden fault near Dusk Point

The mafic rocks of the Olympic Peninsula, Washington, are part of an accreted terrane known as Siletzia which experienced transpressional stresses as far as 50 Ma ago in the early Eocene. The Peninsula has an accretion-thrust marine sedimentary interior and a mafic volcanic periphery juxtaposed along the Hurricane Ridge fault; a terrane-scale thrust fault. The mafic Crescent Formation (CF) can be subdivided into two units: The Lower Crescent member (LC) and the Upper Crescent member (UC) as defined by Tabor and Cady (1978). The LC consists of submarine basalt flows that have composition similar to mid-oceanic ridges with zircon fission-track age dates ranging from ≥53.2 Ma to ≤51.1 Ma while the lavas of the UC are mostly ocean island basalts; the youngest flows around 48.4 Ma (Clark, 2019) in age. New geochemical data and age dates collected by Ken Clark (2019) in the CF show that a section of mafic material is younger and chemically distinct from the material sitting above it. The third and newer section, called the Crescent thrust sheet (CT) is thrust beneath the LC and contains basaltic material composition closer to ocean island basalts. The Blue Mountain Unit (BMU) within the CT has been dated to around 47.8 Ma (Clark, 2019). This study seeks to provide magnetic data across the geochemical boundary to the west of Dusk Point in order to locate magnetic anomalies potentially relating to the Crescent thrust and to determine the extent of the boundary between the CT and LC by chemical analysis. Evidence for the Crescent thrust includes magnetic intensity anomalies and changes in rock composition near Dusk Point in the Olympic National Forest in Mason County. High intensity readings accompanied mafic intrusions in outcrops which were sampled along with other massive and sheared pillow flows. These samples were analyzed via ICP procedure as well as scanned for trace elements. Enriched Y/Nb ratios are found in the CT and UC while less enriched Y/Nb are found in the LC member. Magnetic transects taken across the chemical break show potential subsurface structures related to thrust faulting due to the similarities in magnetic profiles and anomalies in one transect reappearing along places where the geochemical break was proposed to extend to. Along Transects F101, F102, F103, and F202 are repeated depressions of 150-200nT (nanoTeslas) before and after a rise of 200-400nT. F202, having the most detailed data so far, shows a sharper drop in intensity than in other transects parallel to it and this is where I believe the fault lies due to a change in where the drop appears in other transects. We suggest that the differences in composition and magnetic anomalies in the Dusk Point area may be the result of a separate package of submarine basalt flows (the Crescent thrust sheet) being thrust beneath older flows, making a third member of the Crescent Formation. In addition, a previously unrecognized thrust fault, tentatively named the Dusk Point Fault, bounds the chemically and magnetically different units in the area. More chemical sampling is underway to better define the extent of this fault and the CA unit