19,690 research outputs found

    Adiabatic exchange approximation in electron scattering from multi-electron atoms

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    Adiabatic exchange equation in electron scattering from multi-electron atoms - elastic scattering cross sections for sodium and lithiu

    Casino revenue and the Illinois smoking ban

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    Smoking was banned in all Illinois casinos in January 2008. We explore the effects that the smoking ban has had on Illinois casino revenue and attendance. Our empirical methodology extends and enhances that of previous literature in that we observe a natural experiment in comparing the performance of Illinois casinos with out-of-state casinos (no smoking ban) that share a market with Illinois casinos. Estimates suggest that revenue and admissions at Illinois casinos declined by more than 20 percent (400million)and12percent,respectively.Calculationsrevealthatcasinotaxrevenuetostateandlocalgovernmentsdeclinedbyapproximately400 million) and 12 percent, respectively. Calculations reveal that casino tax revenue to state and local governments declined by approximately 200 million.Gambling industry ; Tobacco industry ; Illinois

    Near-field antenna testing using the Hewlett Packard 8510 automated network analyzer

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    Near-field antenna measurements were made using a Hewlett-Packard 8510 automated network analyzer. This system features measurement sensitivity better than -90 dBm, at measurement speeds of one data point per millisecond in the fast data acquisition mode. The system was configured using external, even harmonic mixers and a fiber optic distributed local oscillator signal. Additionally, the time domain capability of the HP8510, made it possible to generate far-field diagnostic results immediately after data acquisition without the use of an external computer

    Theoretical photodetachment cross section for the negative atomic oxygen ion

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    Theoretical photodetachment cross section for negative atomic oxygen io
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