Updated JECs for 2024, 2025, and 2026#228
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izisopou merged 1 commit intoJul 13, 2026
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This PR corresponds to the JERCProtolab MR #118.
Updates on 2024 JECs:
The
L2L3ResidualJECs are updated, with a major improvement being the derivation in bins of η instead of |η|. More information is provided in the PDF files included inPrompt24to26_V11MV5MV2M_arxiv.tar.gz, which is attached in this indico agenda. The newL2L3ResidualJECs are based on the internalV11Mversion of the Helsinki group.The new JEC tags are:
Summer24Prompt24_V4_MC,Summer24Prompt24_V4_DATAUpdates on 2025 JECs:
The
L2L3ResidualJECs are updated. More information is provided in the PDF files included inPrompt24to26_V11MV5MV2M_arxiv.tar.gz, which is attached in this indico agenda. The newL2L3ResidualJECs are based on the internalV5Mversion of the Helsinki group.The new JEC tags are
Winter25Prompt25_V4_MC,Winter25Prompt25_V4_DATA, which are kept here for book-keeping purposes.The main JEC tags recommended for analyzers are:
Summer24Prompt25_V2_MC,Summer24Prompt25_V2_DATA, which include:Summer24Prompt24_V4_MCto be applied to the Summer24 MCWinter25Prompt25_V4_DATAto be applied to the 2025 DATANew 2026 JECs:
New, Winter26-based MC-truth JECs presented in JERC, Mar. 17. The Residual JECs are derived on top of these JECs, comparing 2026 data with the Summer24 MC. More information about the residual JECs is provided in the PDF files included in
Prompt24to26_V11MV5MV2M_arxiv.tar.gz, which is attached in this indico agenda. TheL2L3ResidualJECs are based on the internalV2Mversion of the Helsinki group.The JEC tags are
Winter26Prompt26_V1_MC,Winter26Prompt26_V1_DATA, which are kept here for book-keeping purposes.The main JEC tags recommended for analyzers are:
Summer24Prompt26_V1_MC,Summer24Prompt26_V1_DATA, which include:Summer24Prompt24_V4_MCto be applied to the Summer24 MCWinter26Prompt26_V1_DATAto be applied to the 2026 DATAPlease note that due to the absence of a dedicated Jet Veto Map (JVM) for 2026, the 2025 JVM is recommended to be used for 2026 analyses, until further notice.
cc: @ravindkv , @anmalara , @nurfikri89