Minutes of the June 5, 2009 Tevatron Dept Meeting http://indico.fnal.gov/conferenceDisplay.py?confId=2610 * News (Ron) - The Tevatron has exceeded the delevered luminosity goal for FY09 - 1762 pb^-1 and climbing. Congratulations! Tevatron Dept. employees should start preparing their annual accomplishment reports before the long shutdown begins. Forms available at http://wdrs/elr/perform_rev.html * Weekly Operations Summary (Jerry Annala) - The Tevatron delivered ~50 pb^-1 to the experiments over the past 7 days. There have been 9 HEP stores with initial luminosities between 259 and 301 ub^-1/s. Three stores ended unintentionally: store 7091 aborted when a failed abort link repeater caused a spurious beam budget monitor abort, store 7097 ended in a quench when the B0QT3 trim power supply output started changing, store 7106 aborted when the A3 VCB opened up. Store 7108 was terminated intentionally, but prematurely, before beam valves closed when the A4 air compressor died. The source of the larger proton emittances at injection is still not understood. A couple of D0 orbit angle changes were implemented for the squeeze. Separator scans at CDF and D0 showed no problems. P1 line measurements showed no problems. TEL-2 end-of-store studies were used to veritfy timing. * P1 Line Matching to Tevatron (Alex Valishev) - Differential orbit measurements between the P1 line (proton injection) and the Tevatron agree with the model. There is no large dispersion mismatch - upper limit would be 1 pi mm-mrad emittance growth. Alex will work with Ming-Jen to get the Main Injector optics data to verify betatron matching. * Discussion on Proton Emittances (All, including MI folks in attendance) - There was a healthy discussion on the timeline of the proton emittance growth, what studies have already been done, and what needs to be done to understand this problem. It would be nice to solve it before the long shutdown begins next week. * Discussion on (Tev) Plans for Next Week (All) - Deliver luminosity - Lattice measurements for pre-shutdown documentation (Alex, proton-only) - Aperture scans for pre-shutdown documentation (proton-only) - Round trip (MI-Tev-MI) proton emittance measurements - Chromaticity tracker (Tan, proton-only) - Bumper as abort gap cleaner (proton-only) - Test pinger, make coupling measurements on ramp (proton-only)