Store Summary Store Avg Init Lumi E 30

Store Summary Store Avg Init. Lumi (E 30) Avg Deliv’d Lumi (nb-1) Time (hr) How did it end? 6619 312 8207 17 Abort 6622 343* 7431 11. 8 Normal CDF lum. Problems. 6625 353. 3* 7910 12. 1 Normal CDF lum problmes. Cv lowered by 2 units at LBSEQ=14, 15. 6628 334. 2 6973 11. 9 Normal Problems with Recycler to MI transfer, less pbars in Tev. 6629 330. 4 8763 18. 4 Normal Poor horz orbits through squeeze. 6630 323. 8 8591 17. 8 Normal Moved D 0 IP x=-60 um y=+95 um 6631 273. 8 5624 13. 5 Normal Small stash. VA 47 came into alarm 6632 322. 5 7864 15. 4 Normal Tevatron Coordinator - FNAL Comments E 48 kicker jitter, pbars 13 and 29 blew up at inj. Bad B 2 safety coordinator aborted beam. 9/17/2020 3

Store Summary Store Avg Init. Lumi (E 30) Avg Deliv’d Lumi (nb-1) Time (hr) How did it end? Comments 6633 328. 5 8184 16. 8 Normal Proton emittance growth at collision, but normal Luminosity 6634 Tevatron Coordinator - FNAL Ongoing 9/17/2020 4

Global Losses in Squeeze

Problems • 6619: bad B 2 safety coordinator aborted store. • 6622: bad CDF lum monitor. • A 3 gas bottle for wet engine brake replaced. • 6625: bad CDF lum monitor. • A 3 wet engine repair. • B 0 Q 5 ground fault indication. • VC 39 fuse fault, HC 38 water leak. • T: VA 47 popping into alarm (orbit stabilization) • 6629: poor horz orbits through squeeze. (D 0 low betas moving) • 6631: B 0 BLMs reboot. • VA 47 (48 A) reaching 50 A limit during orbit stabilization. Tevatron Coordinator - FNAL 9/17/2020 6

CDF IP position and angle

D 0 IP position and angle

D 0 Quad Tilt meters

Studies/Work Completed • Low beta lattaice measurement. • St 6630: sep, coupling and alpha scan at D 0. No change. • St 6630: moved D 0 ip dx=+90 um, dy=-75 um w. r. t. detector • BOS study with high lum store (6625) with TEL to compensate end bunch (12, 24, 36) vert tunes. • BOS study with store 6631 • F 172 h collimator study. • St 6631: EOS crystal collimator study. Tevatron Coordinator - FNAL 9/17/2020 10

Study Requests • Bumper magnet abort gap clearing studies • Chromaticity Tracker