Changes between Version 14 and Version 15 of MA5LongLivedParticle


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Timestamp:
Oct 20, 2017, 3:57:01 PM (7 years ago)
Author:
Eric CONTE
Comment:

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  • MA5LongLivedParticle

    v14 v15  
    1616Delphes-LLP package is a special improvement of the Delphes package. Associated to !MadAnalysis 5 v1.6, it allows the user to perform phenomenological investigations with long-lived particles or to recast existed analysis devoted to this kind of signature.
    1717
    18 Current status: the package handles neutral LLPs which decay into leptons in the first layers of the CMS tracker (such as neutralino in the framework of RPV-SUSY).
     18Current status: the package handles neutral LLPs which decay into leptons in the first layers of the CMS tracker (such as neutralino in the framework of RPV-SUSY). Realistic efficiency is applied to the tracks and D0 parameter is accessible in !MadAnalysis 5.
    1919
    2020Package[update 2017/08/25]: [http://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/Korea00-AnalysisList/ma5track_v1.6.tgz ma5track_v1.6.tgz]
     
    4545  * Center of mass energy: 13 TeV
    4646  * Integrated luminosity: 2.6  fb^-1
    47   * A search for new long-lived particles decaying to electrons and muons is presented using data from proton-proton collisions produced in 2015 by the LHC. Events are selected with an electron and muon
    48     that both have transverse impact parameter values between 200 μm and 10 cm. Since no significant excess is observed, limits are set on the Displaced Supersymmetry model, with pair production of top
    49     squarks decaying into an e-μ final state via R-parity-violating interactions. The results are the most restrictive to date on this model.
     47  * Summary: A search for new long-lived particles decaying to electrons and muons is presented using data from proton-proton collisions produced in 2015 by the LHC. Events are selected with an
     48    electron and muon that both have transverse impact parameter values between 200 μm and 10 cm. Since no significant excess is observed, limits are set on the Displaced Supersymmetry model,
     49    with pair production of top squarks decaying into an e-μ final state via R-parity-violating interactions. The results are the most restrictive to date on this model.
    5050  * Link to the collaboration page: http://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/EXO-16-022/
    5151  * Link to CDS: https://cds.cern.ch/record/2205146?ln=fr
     
    5555== Ongoing development ==
    5656
     57* Next development: the package will handle charged LLPs which decay into leptons in the first layers of the CMS tracker (such as neutralino in the framework of RPV-SUSY). To reach this goal, the magnetic field of the detector must be applied to the charged LLP before decaying. This effect will be described by the MA5LLParticlePropagator module.
    5758
    58