Jet.InputType: 9# EMTopo 1, PFlow: 9. PFlow is new recommended for everything beyond Winter.
Jet.UncertConfig: rel21/Summer2019/R4_CategoryReduction_SimpleJER.config# This is the uncertainty for analyses going to perform combinations. Otherwise rel21/Summer2019/R4_SR_Scenario1_SimpleJER.conf can be used if insensitive to JES. If you are wanting to do the fullJER (with PDSmear) please use : rel21/Summer2019/R4_CategoryReduction_FullJER.config and PDSmearing below set to true).
Jet.UncertConfig: rel21/Summer2019/R4_CategoryReduction_SimpleJER.config# This is the uncertainty for analyses going to perform combinations. Otherwise rel21/Summer2019/R4_SR_Scenario1_SimpleJER.conf can be used if insensitive to JES. If you are wanting to do the fullJER (with PDSmear) please use : rel21/Summer2019/R4_CategoryReduction_FullJER.config and PDSmearing below set to true). If your analysis is sensitive to small-R jet masses, please use rel21/Spring2021/R4_JMS_frozen.config, where XX is your JER and JES configuration. For example: rel21/Spring2021/R4_CategoryReduction_FullJER_JMS_frozen.config