Tune the single photon energy resolution to 11%/sqrt(E [GeV]) \oplus …

…2% (#594) This PR changes the default energy resolution of pECal to 11%/sqrt(E [GeV]) \oplus 2% for single photon input. This is suggested by Oleg.
eic · Apr 20, 2023 · cf5af80 · cf5af80
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diff --git a/src/detectors/FEMC/RawCalorimeterHit_factory_EcalEndcapPInsertRawHits.h b/src/detectors/FEMC/RawCalorimeterHit_factory_EcalEndcapPInsertRawHits.h
@@ -36,7 +36,7 @@ class RawCalorimeterHit_factory_EcalEndcapPInsertRawHits : public eicrecon::JFac
 
         // Set default values for all config. parameters in CalorimeterHitDigi algorithm
         m_input_tag = "EcalEndcapPInsertHits";
-        u_eRes = {0.00316 * sqrt(dd4hep::GeV), 0.0015, 0.0 * dd4hep::GeV}; // (0.316% / sqrt(E)) \oplus 0.15%
+        u_eRes = {0.00340 * sqrt(dd4hep::GeV), 0.0009, 0.0 * dd4hep::GeV}; // (0.340% / sqrt(E)) \oplus 0.09%
         m_tRes = 0.0 * dd4hep::ns;
         m_capADC = 16384;
         m_dyRangeADC = 3 * dd4hep::GeV;

diff --git a/src/detectors/FEMC/RawCalorimeterHit_factory_EcalEndcapPRawHits.h b/src/detectors/FEMC/RawCalorimeterHit_factory_EcalEndcapPRawHits.h
@@ -36,7 +36,7 @@ class RawCalorimeterHit_factory_EcalEndcapPRawHits : public eicrecon::JFactoryPo
 
         // Set default values for all config. parameters in CalorimeterHitDigi algorithm
         m_input_tag = "EcalEndcapPHits";
-        u_eRes = {0.00316 * sqrt(dd4hep::GeV), 0.0015, 0.0 * dd4hep::GeV}; // (0.316% / sqrt(E)) \oplus 0.15%
+        u_eRes = {0.00340 * sqrt(dd4hep::GeV), 0.0009, 0.0 * dd4hep::GeV}; // (0.340% / sqrt(E)) \oplus 0.09%
         m_tRes = 0.0 ;
         m_capTime = 100 ; // given in ns, 4 samples in HGCROC
         m_capADC=65536;//2^16  (approximate HGCROC resolution) old 16384