E04-007: Threshold Pion Production Left HRS @ 12.5 - 50 Negative (Right Arm Not Required) Cryo-target 20 cm race track plus new 4 cm pancake target BigBite with Wirechamber Hadron Package (40 - 60 ) –two wire-chambers (one upgraded) –dE/E trigger scintillators –updated frame & cabling 4 He Bag System
E06-010 & 11: Transversity Left HRS @ 16 - 75 (S1, S2M, A1, RICH, Gas Cherenkov, Pion Rejector) BigBite @ 30 with Electron Package –three wirechambers (two chambers from Hadron package) –upgraded preshower & shower (scope pending funding) –new gas Cherenkov (critical for d2) –GEN timing scintillators Polarized 3He Target System –transverse field coils –large diameter exit beam pipe Fastbus for Chamber Readout
E06-014: d 2 n Left HRS @ 30 - 70 (S1, S2M, A1, Gas Cherenkov, Pion Rejector) BigBite @ 45 with Electron Package –detectors the same as Transverity Polarized 3 He Target System –change to in-plane polarization
E05-015: A y The Big Hop (Left HRS and BigBite Trade Places) Left HRS @12.5 - 20 with Negative Polarity Right HRS @12.5 - 20 with Negative Polarity BigBite with neutron detector for testing @ large angle Polarized 3 He Target System –nominal exit beam-line
E05-102: 3 He(e,ed) Left HRS @ 15 - X with Negative Polarity Right HRS @ 12.5 with Negative Polarity BigBite with Hadron Package & Hall A Neutron Detector @ 70 –system check during E05-015 Polarized 3 He Target System
Schedule and Milestones 2007-04 Group DAQ Layout Finished 2007-06 DAQ Completed and Tested 2007-07 Begin PreShower / Shower Upgrade –Scope of Upgrade Still Pending Funding –Project Defined By April 1 st 2007-07 Install Chambers In Hadron Package 2007-09 Complete Hadron Package Testing 2007-10 Submit FY08 Requisitions For Transversity & d2 –Local Construction Items –Cherenkov Gas 2007-12 Complete Electron Package Testing –Must Have Chambers Back In Hadron Package Before Christmas 2008-01 Install Threshold Pion Experiment 2008-03 Install Transversity & d 2 n Experiments 2008-04 Complete Neutron Detector Veto 2008-07 Install A y & 3 He(e,ed) Experiments (The Big Hop)
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