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MUID Efficiency Study. MuID Structure. Muon Identifier 5 gaps per arm filled with planes of transversely oriented plastic proportional (Iarocci) tubes. 4 large panels and 2 small panels in one layer (gap)
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MuID Structure • Muon Identifier • 5 gaps per arm filled with planes of transversely oriented plastic proportional (Iarocci) tubes • 4 large panels and 2 small panels in one layer (gap) • In a panel, Iarocci tubes with 2.5~5.6m length and 8.4cm width run both horizontally and vertically • 6340 tubes ( 3170 channels ) / Arm MuID road Track North Arm MuID hits MuTr Cathode strip hits “J/ candidate” event
MUID Hit Rates (Run11 Ddata) From Hideyuki Oide’sPh.D Thesis
Run11 Data Driven Efficiency From Hideyuki Oide’sPh.D Thesis