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  • Aad, G.Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France. (author)

Measurement of the c-jet mistagging efficiency in t(t)over-bar events using pp collision data at root s=13 TeV collected with the ATLAS detector

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-01-31
  • Springer,2022
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-468110
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-468110URI
  • https://doi.org/10.1140/epjc/s10052-021-09843-wDOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-309078URI

Supplementary language notes

  • Language:English
  • Summary in:English

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Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • For complete list of authors see http://dx.doi.org/10.1140/epjc/s10052-021-09843-w
  • QC 20220222
  • A technique is presented to measure the efficiency with which c-jets are mistagged as b-jets (mistagging efficiency) using t (t) over bar events, where one of theW bosons decays into an electron or muon and a neutrino and the other decays into a quark-antiquark pair. The measurement utilises the relatively large and known W -> cs branching ratio, which allows ameasurement to be made in an inclusive c-jet sample. The data sample used was collected by the ATLAS detector at root s = 13 TeV and corresponds to an integrated luminosity of 139 fb(-1). Events are reconstructed using a kinematic likelihood technique which selects the mapping between jets and t (t) over bar decay products that yields the highest likelihood value. The distribution of the b-tagging discriminant for jets from the hadronic W decays in data is compared with that in simulation to extract the mistagging efficiency as a function of jet transverse momentum. The total uncertainties are in the range 3-17%. The measurements generally agree with those in simulation but there are some differences in the region corresponding to the most stringent b-jet tagging requirement.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Asimakopoulou, Eleni M.Uppsala universitet,Högenergifysik(Swepub:uu)eleas553 (author)
  • Bergeås Kuutmann, Elin,1980-Uppsala universitet,Högenergifysik(Swepub:uu)elibe340 (author)
  • Brenner, RichardUppsala universitet,Högenergifysik(Swepub:uu)richbren (author)
  • Ekelöf, TordUppsala universitet,FREIA(Swepub:uu)tordeke (author)
  • Ellajosyula, VenugopalUppsala universitet,Högenergifysik(Swepub:uu)venel845 (author)
  • Ellert, MattiasUppsala universitet,Högenergifysik(Swepub:uu)mel03009 (author)
  • Ferrari, Arnaud,1973-Uppsala universitet,Högenergifysik(Swepub:uu)arfer499 (author)
  • Gonzalez Suarez, RebecaUppsala universitet,Högenergifysik(Swepub:uu)rebgo209 (author)
  • Mathisen, ThomasUppsala universitet,Högenergifysik(Swepub:uu)thoma814 (author)
  • Ördek, SerhatUppsala universitet,Högenergifysik(Swepub:uu)seror924 (author)
  • Sunneborn Gudnadottir, OlgaUppsala universitet,Högenergifysik(Swepub:uu)olggu198 (author)
  • Zwalinski, L.CERN, Geneva, Switzerland. (author)
  • Leopold, AlexanderKTH,Fysik(Swepub:kth)u1wx33ov (author)
  • Lundberg, OlofKTH,Partikel- och astropartikelfysik(Swepub:kth)u142u9nh (author)
  • Lund-Jensen, BengtKTH,Partikel- och astropartikelfysik(Swepub:kth)u13bp6vd (author)
  • Ohm, ChristianKTH,Partikel- och astropartikelfysik(Swepub:kth)u128x0hb (author)
  • Ripellino, GiuliaKTH,Partikel- och astropartikelfysik(Swepub:kth)u13f31yo (author)
  • Shaheen, RabiaKTH,Partikel- och astropartikelfysik(Swepub:kth)u1uqh9ek (author)
  • Shope, David R.KTH,Partikel- och astropartikelfysik(Swepub:kth)u17s7aqp (author)
  • Strandberg, JonasKTH,Partikel- och astropartikelfysik(Swepub:kth)u1midk9y (author)
  • Aix Marseille Univ, CPPM, CNRS IN2P3, Marseille, France.Högenergifysik (creator_code:org_t)

Related titles

  • In:European Physical Journal C: Springer82:11434-60441434-6052

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