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Search for new physics in the τ lepton plus missing transverse momentum final state in proton-proton collisions at SQUARE ROOTs=13 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10471611" target="_blank" >RIV/00216208:11320/23:10471611 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=prfffRvs9T" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=prfffRvs9T</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/JHEP09(2023)051" target="_blank" >10.1007/JHEP09(2023)051</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Search for new physics in the τ lepton plus missing transverse momentum final state in proton-proton collisions at SQUARE ROOTs=13 TeV

  • Original language description

    A search for physics beyond the standard model (SM) in the final state with a hadronically decaying tau lepton and a neutrino is presented. This analysis is based on data recorded by the CMS experiment from proton-proton collisions at a center-of-mass energy of 13TeV at the LHC, corresponding to a total integrated luminosity of 138 fb(-1). The transverse mass spectrum is analyzed for the presence of new physics. No significant deviation from the SM prediction is observed. Limits are set on the production cross section of a W&apos; boson decaying into a tau lepton and a neutrino. Lower limits are set on the mass of the sequential SM-like heavy charged vector boson and the mass of a quantum black hole. Upper limits are placed on the couplings of a new boson to the SM fermions. Constraints are put on a nonuniversal gauge interaction model and an effective field theory model. For the first time, upper limits on the cross section of t-channel leptoquark (LQ) exchange are presented. These limits are translated into exclusion limits on the LQ mass and on its coupling in the t-channel. The sensitivity of this analysis extends into the parameter space of LQ models that attempt to explain the anomalies observed in B meson decays. The limits presented for the various interpretations are the most stringent to date. Additionally, a model-independent limit is provided.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10300 - Physical sciences

Result continuities

  • Project

    <a href="/en/project/LG14004" target="_blank" >LG14004: Cooperation of Czech Republic with JINR Dubna in the theoretical and nuclear physics and application of nuclear methods in other fields</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of High Energy Physics

  • ISSN

    1029-8479

  • e-ISSN

  • Volume of the periodical

    2023

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    52

  • Pages from-to

    051

  • UT code for WoS article

    001090971800001

  • EID of the result in the Scopus database

    2-s2.0-85182846237