From 858b0d8875d70cf935dbfbb4dc3e34831ab98d8b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?BiaoZhang=20=28=E5=BC=A0=E5=BD=AA=29?= <52267892+zhangbiao-phy@users.noreply.github.com> Date: Wed, 2 Sep 2026 09:13:26 +0200 Subject: [PATCH 1/2] Change useUpcZdcTimeCut default to false --- PWGHF/Utils/utilsEvSelHf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/PWGHF/Utils/utilsEvSelHf.h b/PWGHF/Utils/utilsEvSelHf.h index dfd1d848306..95249908a90 100644 --- a/PWGHF/Utils/utilsEvSelHf.h +++ b/PWGHF/Utils/utilsEvSelHf.h @@ -211,7 +211,7 @@ struct HfEventSelection : o2::framework::ConfigurableGroup { o2::framework::Configurable rctCheckZDC{"rctCheckZDC", false, "RCT flag to check whether the ZDC is present or not"}; o2::framework::Configurable rctTreatLimitedAcceptanceAsBad{"rctTreatLimitedAcceptanceAsBad", false, "RCT flag to reject events with limited acceptance for selected detectors"}; o2::framework::Configurable irSource{"irSource", "", "Estimator of the interaction rate (Empty: automatically set. Otherwise recommended: pp --> T0VTX, Pb-Pb --> ZNC hadronic)"}; - o2::framework::Configurable useUpcZdcTimeCut{"useUpcZdcTimeCut", true, "Apply ZDC time selection for UPC neutron class"}; + o2::framework::Configurable useUpcZdcTimeCut{"useUpcZdcTimeCut", false, "Apply ZDC time selection for UPC neutron class"}; o2::framework::Configurable upcZdcTimeMin{"upcZdcTimeMin", -2.f, "Minimum ZDC time for UPC neutron class selection (ns)"}; o2::framework::Configurable upcZdcTimeMax{"upcZdcTimeMax", 2.f, "Maximum ZDC time for UPC neutron class selection (ns)"}; From 38d9da2a1d8dfd9dbfc2055f9004b6f3945eb529 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?BiaoZhang=20=28=E5=BC=A0=E5=BD=AA=29?= <52267892+zhangbiao-phy@users.noreply.github.com> Date: Wed, 2 Sep 2026 12:31:16 +0200 Subject: [PATCH 2/2] Clarify UPC ZDC time selection parameters Updated comments for ZDC time selection parameters to clarify relevance for UPC event selection. --- PWGHF/Utils/utilsEvSelHf.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/PWGHF/Utils/utilsEvSelHf.h b/PWGHF/Utils/utilsEvSelHf.h index 95249908a90..0a22959365c 100644 --- a/PWGHF/Utils/utilsEvSelHf.h +++ b/PWGHF/Utils/utilsEvSelHf.h @@ -211,9 +211,9 @@ struct HfEventSelection : o2::framework::ConfigurableGroup { o2::framework::Configurable rctCheckZDC{"rctCheckZDC", false, "RCT flag to check whether the ZDC is present or not"}; o2::framework::Configurable rctTreatLimitedAcceptanceAsBad{"rctTreatLimitedAcceptanceAsBad", false, "RCT flag to reject events with limited acceptance for selected detectors"}; o2::framework::Configurable irSource{"irSource", "", "Estimator of the interaction rate (Empty: automatically set. Otherwise recommended: pp --> T0VTX, Pb-Pb --> ZNC hadronic)"}; - o2::framework::Configurable useUpcZdcTimeCut{"useUpcZdcTimeCut", false, "Apply ZDC time selection for UPC neutron class"}; - o2::framework::Configurable upcZdcTimeMin{"upcZdcTimeMin", -2.f, "Minimum ZDC time for UPC neutron class selection (ns)"}; - o2::framework::Configurable upcZdcTimeMax{"upcZdcTimeMax", 2.f, "Maximum ZDC time for UPC neutron class selection (ns)"}; + o2::framework::Configurable useUpcZdcTimeCut{"useUpcZdcTimeCut", false, "Apply ZDC time selection for UPC neutron class (only relevant for UPC event selection)"}; + o2::framework::Configurable upcZdcTimeMin{"upcZdcTimeMin", -2.f, "Minimum ZDC time for UPC neutron class selection (ns) (only relevant for UPC event selection)"}; + o2::framework::Configurable upcZdcTimeMax{"upcZdcTimeMax", 2.f, "Maximum ZDC time for UPC neutron class selection (ns) (only relevant for UPC event selection)"}; // SG selector SGSelector sgSelector;