Minutes of the Nov 1, 2002 Tev Dept Meeting 1. Vladimir on DoE review: we 've got A- to B marks as reviewers were impressed with luminosity progress. Recommendations for Tevatron include C0 aperture, more study time, injection dampers, study beam-beam on protons, decide on TEL-2, Tev reference magnets. 2. Dean on luminosity last week: 7 stores since 10/25, L around 30e30, two stores were really bad - SQA4 card had wrong table in #1924, we lost protons on A25 injection in #1929. After that store we realized that all the time we had crossed tunes early on ramp - and we fixed that. 3. Ron Moore presented Dave Johnson results on p-bunchlength blowup at 150 GeV: bunches #1,13,and 25 are consistently 20% longer than others. Bunchlength of P1-P13 grow by 20% when loading P13-24 : that effect is found to be due to longitudinal damper (J.Steimel addresses that to damper imperfection, the damper can be turned OFF during P13-36 injection). 4. XLZhang on orbit oscillation detector T:ORBITH(,V): it measures P2 position at A0, signal dominated by 15 Hz lines, amplitude about 100 micron p-p, varies a bit over a scale of 1-few days. 5. Alvin looked into the FBIANG calibration and, attaracting SBD data, found that we have 4% less pbars than we think. That greatly contradicts to the pbar only store data (mid-September). Plan: go after intensity information from SBD. 6. Paul: found no statistically significant dependence of proton lifetime at 150 on bunch #; sees clear signs of IBS at 980 - needs to get theoretical input from Valery. 7. Fritz DeJongh found that we might have BPM surprises even with uncolaeseced beam - e.g., if the Booster notcher is left ON (and nobody actually has ever controlled that in the past), then BPM readings are way off (1/2 mm?) and sensistive to timing. During following discussion we realized that some BPM cards were re-tuned withoput letting us know. So we asked S.Pordes to enforce the rule of informing Tevatron coordinator (now=Dean) +Vladimir+relevant Tev people of any significant changes in the Tev diagnostics BEFORE and not AFTER.