Definitions

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  • noun Plural form of femtobarn.

Etymologies

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Examples

  • CMS indicates its analysis used anywhere between one and 1.7 inverse femtobarns, a measure that corresponds to the total number of collisions analyzed.

    Ars Technica John Timmer 2011

  • It may take as much as 10 inverse femtobarns at the LHC to see it at the golden five-sigma level.

    Breaking News: CBS News 2011

  • I helped lead a femtobarns of integrated luminosity, plus major upgrades to the experiments, to find the

    Breaking News: CBS News 2011

  • The bias is slight, but the Tevatron now has produced sufficient data 5.3 inverse femtobarns that over 1,200 events that appeared to involve two top quarks were identified.

    Ars Technica John Timmer 2011

  • More inverse femtobarns, fewer places for the Higgs to hide : A bit more data from the LHC has further narrowed the mass ranges where the Higgs might be hiding.

    Ars Technica Ars Staff 2011

  • There's much more data on the way, as the detectors have recorded 2.5 inverse femtobarns this year alone.

    Ars Technica John Timmer 2011

  • It does not make much sense, in fact, for the US Department of Energy to spend over 200 million dollars a year running a machine that is now outdated by the LHC startup: every additional year of running would add only 10% more reach for discoveries and measurements (2 femtobarns over 10 is 20% luminosity, or 10% statistical power).

    Scientific Blogging dorigo 2010

  • This translates in a bit less than 10 inverse femtobarns of collected collisions (the efficiency is never 100%, for several reasons which would get this post wildly off-topic).

    Scientific Blogging dorigo 2010

  • For instance, a 115-GeV Higgs boson might have already been excluded with 5 inverse femtobarns of CDF and D0 data, if backgrounds had fluctuated down by about 2.5 standard deviations!

    Scientific Blogging dorigo 2010

  • The DZero result is based on data collected over the last eight years by the DZero experiment: over 6 inverse femtobarns in total integrated luminosity, corresponding to hundreds of trillions of collisions between protons and antiprotons in the Tevatron collider.

    PhysOrg.com - latest science and technology news stories 2010

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