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Study of Double Parton Scattering Using Four-Jet Scenarios pp 163–172Cite as

Systematic Uncertainties

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Part of the book series: Springer Theses ((Springer Theses))

Abstract

For a physics analysis, it becomes crucial to study the uncertainties which affect the measurements, in order to extract meaningful conclusions.

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Notes

  1. 1.

    This large uncertainty reflects the fact that data-driven measurements of the tag and mistag performance are available only for 2011 data and the SF for 2010 data are just translated from those, with a higher uncertainty.

  2. 2.

    Note that for a large number of entries, a poissonian distribution is equivalent to a gaussian distribution, according to the central limit theorem.

  3. 3.

    Some of the observables in the 4j analysis are not included in the final paper [5], but only presented in a limited phase space as preliminary results [6]; the uncertainties quoted here are the ones, obtained when considering the full phase space for the four jets.

References

  1. Chatrchyan S et al (2011) Determination of jet energy calibration and transverse momentum resolution in CMS. JINST 6:P11002. doi:10.1088/1748-0221/6/11/P11002

    Article  ADS  Google Scholar 

  2. CMS Collaboration (2010a). https://twiki.cern.ch/twiki/bin/viewauth/CMS/JetResolution. Internal CMS twiki page for jet energy resolution correction

  3. Cowan D (1998) Statistical data analysis. Clarendon, Oxford

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  4. CMS Collaboration (2010b) Measurement of CMS luminosity. (CMS-PAS-EWK-10-004)

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  5. Chatrchyan S et al (2014) Measurement of four-jet production in proton-proton collisions at \(\sqrt{s}\) = 7 TeV. Phys Rev D 89:092010. doi:10.1103/PhysRevD.89.092010

  6. CMS Collaboration (2013) Measurement of the 4-jet production at the CMS experiment. (CMS-PAS-FSQ-12-013)

    Google Scholar 

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Author information

Authors and Affiliations

  1. DESY-CMS, Hamburg, Germany

    Paolo Gunnellini

Authors
  1. Paolo Gunnellini
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Correspondence to Paolo Gunnellini .

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© 2016 Springer International Publishing Switzerland

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Gunnellini, P. (2016). Systematic Uncertainties. In: Study of Double Parton Scattering Using Four-Jet Scenarios. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-22213-4_9

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