76 research outputs found
tau-->eta(eta')2pi nu, 3pi nu and WZW anomaly
The effects of the anomalous contact terms are taken into account in tau to
eta(eta')2pi nu decay. tau to 3pi nu is computed. Theoretical result agrees
with data. It is the first time the anomalous vertex eta aa is tested. An a_{1}
resonance is predicted in the final state. The decay rate of tau to eta'3pi nu
is predicted.Comment: 15 pages, one latex file for the paper and one p-script file for the
figur
The deuteron: structure and form factors
A brief review of the history of the discovery of the deuteron in provided.
The current status of both experiment and theory for the elastic electron
scattering is then presented.Comment: 80 pages, 33 figures, submited to Advances in Nuclear Physic
Characterization of rat heart alkaline phosphatase isoenzymes and modulation of activity
Following the genes: a framework for animal modeling of psychiatric disorders
The number of individual cases of psychiatric disorders that can be ascribed to identified, rare, single mutations is increasing with great rapidity. Such mutations can be recapitulated in mice to generate animal models with direct etiological validity. Defining the underlying pathogenic mechanisms will require an experimental and theoretical framework to make the links from mutation to altered behavior in an animal or psychopathology in a human. Here, we discuss key elements of such a framework, including cell type-based phenotyping, developmental trajectories, linking circuit properties at micro and macro scales and definition of neurobiological phenotypes that are directly translatable to humans
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Design of the ECCE Detector for the Electron Ion Collider
Preprint submitted to Nuclear Instruments and Methods A. The file archived on this institutional repository has not been certified by peer review.32 pages, 29 figures, 9 tablesThe EIC Comprehensive Chromodynamics Experiment (ECCE) detector has been designed to address the full scope of the proposed Electron Ion Collider (EIC) physics program as presented by the National Academy of Science and provide a deeper understanding of the quark-gluon structure of matter. To accomplish this, the ECCE detector offers nearly acceptance and energy coverage along with excellent tracking and particle identification. The ECCE detector was designed to be built within the budget envelope set out by the EIC project while simultaneously managing cost and schedule risks. This detector concept has been selected to be the basis for the EIC project detector.Office of Science in the Department of Energy, the National Science Foundation, and the Los Alamos National
Laboratory Laboratory Directed Research and Development (LDRD) 20200022DR; This research used resources of the Compute and Data Environment for Science (CADES) at the Oak Ridge National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-
00OR22725. The work of AANL group are supported by the Science Committee of RA, in the frames of the research project # 21AG-1C028. And we gratefully acknowledge that support of Brookhaven National Lab and the Thomas Jefferson National Accelerator Facility which are operated under contracts DESC0012704 and DE-AC05-06OR23177 respectivel
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AI-assisted optimization of the ECCE tracking system at the Electron Ion Collider
arXiv preprint [v2] Fri, 20 May 2022 03:23:44 UTC (2,296 KB) made available under a Creative Commons (CC BY) Attribution Licence, now in press, published by Elsevier: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, available online 17 November 2022 at: https://doi.org/10.1016/j.nima.2022.167748The Electron-Ion Collider (EIC) is a cutting-edge accelerator facility that will study the nature of the "glue" that binds the building blocks of the visible matter in the universe. The proposed experiment will be realized at Brookhaven National Laboratory in approximately 10 years from now, with detector design and R&D currently ongoing. Notably, EIC is one of the first large-scale facilities to leverage Artificial Intelligence (AI) already starting from the design and R&D phases. The EIC Comprehensive Chromodynamics Experiment (ECCE) is a consortium that proposed a detector design based on a 1.5T solenoid. The EIC detector proposal review concluded that the ECCE design will serve as the reference design for an EIC detector. Herein we describe a comprehensive optimization of the ECCE tracker using AI. The work required a complex parametrization of the simulated detector system. Our approach dealt with an optimization problem in a multidimensional design space driven by multiple objectives that encode the detector performance, while satisfying several mechanical constraints. We describe our strategy and show results obtained for the ECCE tracking system. The AI-assisted design is agnostic to the simulation framework and can be extended to other sub-detectors or to a system of sub-detectors to further optimize the performance of the EIC detector.Office of Nuclear Physics in the Office of Science in the Department of Energy; National Science Foundation, and the Los Alamos National Laboratory Laboratory Directed Research and Development (LDRD) 20200022DR
Computer-Mediated Communication in the Workplace: Problems and Solutions
As workplace computer-mediated communication (CMC) rises, negative behaviors associated with toxic disinhibition effect (TDE) occur (Suler, 20014). Behaviors include bullying and flaming, which affect workplace productivity, and can lead to claims of hostile work environments. Laws shifting in favor of victims require managers and Human Resource staff to face these challenges. Potential solutions include policies designed to prevent the behaviors and CMC technologies such as videoconferencing and webcams to increase social presence and decrease dehumanization
Shorter contributions to Maine geology
Maine Geological Survey (Department of Economic Development), Bulletin 23. Papers on plant fossils of the Trout Valley Formation, Silurian fossils on Lawler Ridge, Limestone Hill in Somerset county, Fish River Lake Formation, Devonian slates in the northern Appalachians, Rb-Sr ages of Silurian-Devonian volcanics in eastern Maine, structure of Sawyer Mountain area, origin and development of the Wells Beach areahttps://digitalmaine.com/mgs_publications/1038/thumbnail.jp
Anomaly of the Work Hardening of Zn-Cu Single Crystals Oriented for Slip in Secondary Systems
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