{
    "MCatNLO": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "POWHEG": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "PYTHIA6": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "TTJet": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "TTJets-matchingdown": {
             "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "TTJets-matchingup": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "TTJets-scaledown": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }, 
    "TTJets-scaleup": {
            "0-25": 0.811688312, 
            "100-inf": 1.160092807, 
            "25-45": 0.914913083, 
            "45-70": 1.071811361, 
            "70-100": 1.201923077
    }
}