Improvement to the D0 luminosity monitor constant
1996
Abstract
The D0 experiment has previously calculated its luminosity using the visible cross section (luminosity monitor constant) for its Level 0 trigger, {sigma}{sub L0} = 48.2 mb, based on the world average {ovr p}p inelastic cross sections at {radical}s = 1.8 TeV. The error on luminosity had been set at 12%. Recent studies using the MBR and DTUJET Monte Carlo event generators and unbiased D0 data samples have resulted in a more precise determination of the D0 luminosity monitor constant. The result, {sigma}{sub L0} = 46.7 {+-} 2.5 mb, lowers the central value by 3.1% and reduces the error to 5.4%. 12 refs., 7 figs., 9 tabs.
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