Presentation on theme: "HF NOISE FILTERS PERFORMANCE"— Presentation transcript:
1 HF NOISE FILTERS PERFORMANCE Isa Dumanoglu, Samet Lezki ,Shuichi Kunori, Bayram Tali, Yalcin Guler, Emine Gurpinar
2 Types of Filters HFLongShort Filter HFPET Filter HFS8S1 Filter 𝑅= 𝐸 𝐿 − 𝐸 𝑆 𝐸 𝐿 + 𝐸 𝑆HFPET FilterLong fiber RecHits are flagged if R > RL AND EL > EPET,L(|iη|) = − 10.19||iη|| (|iη|)2 , RL is the R cut applied to the long fiber RecHitsShort fiber RecHits are flagged if R < RS AND ES > EPET,S(|iη|) = − 6.61||iη|| (|iη|)2 , RS is the R cut applied to the short fiber RecHitsHFS8S1 Filter𝑆9 𝑆1 𝐿 = 𝐸 𝑆 + 𝑖=1 4 𝐸 𝐿,𝑖 + 𝑖=1 4 𝐸 𝑆,𝑖 𝐸 𝐿HFDigiTimeHits observed in time earlier than 25 ns is eliminated.HFInTime WindowLong fiber RecHits are flagged if E > 40 GeV AND (t < −10 ns OR t > 10 ns)
22 CONCLUSİONS HFLongShort removes most events. The HF-In-Time-Window removes least events compared to others.But filters may also removes the real event. This need to be studied.More work need to be done with new (2015) data.I hope Samet will soon with new results.