991 research outputs found

    SppC based energy frontier lepton-proton colliders: luminosity and physics

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    In this study, main parameters of Super proton-proton Collider (SppC) based lepton-proton colliders are estimated. For electron beam parameters, highest energy International Linear Collider (ILC) and Plasma Wake Field Accelerator-Linear Collider (PWFA-LC) options are taken into account. For muon beams, 1.5 TeV and 3 TeV center of mass energy Muon Collider parameters are used. In addition, ultimate μ\mup collider which assumes construction of additional 50 TeV muon ring in the SppC tunnel is considered as well. It is shown that LepL_{ep} ∼\sim 103210^{32} cm−2s−1cm^{-2}s^{-1} can be achieved with moderate upgrade of the SppC proton beam parameters. Physics search potential of proposed lepton-proton colliders is illustrated by considering small Bjorken x region as an example of SM physics and resonant production of color octet leptons as an example of BSM physics.Comment: 11 pages, 3 figures, 8 table

    Integration of Project Scheduling with BIM Visualization - 4D Modeling

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    The aim of this paper is to discuss and explain key concepts in new generation Project management software in the construction industry. Building information modeling "BIM" is considered to be one of the major technologies used by construction stakeholders today. New BIM software now adds the time dimension to the traditional three-dimensional modeling, and thus is called 4D BIM. The 4D BIM simulation process adapts each CAD object with its place in the projects schedule and is scalable to projects of almost any size or complexity. This paper surveys four leading 4D BIM programs namely Synchro, Domos/D-studio, Vico 4D Scheduling, and Innovaya 4D Visual Simulation; to see how they address the fundamental question asked by stakeholders in construction industry: "Can this project be built on time?

    Morphological characterization of the local potato (Solanum tuberosum L.) genotypes collected from the Eastern Black Sea region of Turkey

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    In this study, 58 villages were selected and a total of 146 samples were taken according to stratified sampling system. These genotypes were collected from production areas in high altitudes of the province of Artvin (41‹10f 54h. 40‹ 49f 09h N and 42‹ 21f 49h- 41‹ 32f 40h E) and Rize (41‹ 02f43h-40o 46f 50h N and 41o 00f 22h- 40o 33f 26h E) located in the Eastern Black Sea region of Turkey. The genotypes were grown under Samsun (41‹31ŒN, 35‹35ŒE) ecological condition in 2006. Some morphological and agronomical characteristics of the genotypes were described according to the criteria developed for potato by the  International Board for Plant Genetics Resources (IPBGR). Cluster analysis was performed to determine the relation among genotypes. Cluster analysis, based on 15 variables, identified 27 groups in the current study. The dendrogram was prepared to evaluate similarity between potato genotypes, and as such, all the obtained data showed that the collected material has a vast variation. These evaluations could assist breeders to select and identify genotypes with desirable characteristics for inclusions in variety breeding programs.Key words: Potato, genotype, characterization, cluster, tuber, Turkey

    Determination of natural radioactivity levels in soil and travertine of the region of Tokat and Sivas, Turkey

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    WOS: 000429070100015In this study, the environmental radioactivity measurements for Tokat and Sivas provinces in the northeast of Turkey were performed. Using gamma ray spectrometry, the activity concentrations of natural radionuclides in soil and travertine samples (Th-232, Ra-226, and K-40) were determined. The annual effective dose equivalent, the absorbed doses rate in air, the radium equivalent, and the external hazard index were obtained from these activities. The activity concentrations vary from 9.09 to 17.04 Bq kg(-1) for Th-232, from 36.53 to 76.95 Bq kg(-1) for Ra-226, and from 216.56 to 576.59 Bq kg(-1) for K-40 in soil samples. The activity concentrations in travertines vary from 15.99 to 21.01 Bq kg(-1) for Th-232, from 19.89 to 67.71 Bq kg(-1) for Ra-226, and from 179.89 to 314.43 Bq kg(-1) for K-40. The average dose rate in air for soil and travertine samples was 43.41 and 41.05 nGy h(-1) respectively. The obtained results are presented and compared with other studies, and the results of this study are lower than the international recommended value (55 nGy h(-1)) given by UNSCEAR (2000). The results show that the region has a background radiation level within the natural limits.Gaziosmanpasa University Scientific Research Projects Department (BAP)Gaziosmanpasa University [24/2013]This work is supported by Gaziosmanpasa University Scientific Research Projects Department (BAP) under project no. 24/2013
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