March '00

Mar. 2

• Dark current 170 $\mu$A @ 2.4 MW.

Mar. 7

• Dark current 210 $\mu$A @ 2.4 MW.
• Removed cathode #23 from the gun (16:55).
• Cathode back to the gun (18:05).
• Dark current 235 $\mu$A @ 2.4 MW.
• Removed cathode for all the nigth.

Mar. 8

• Cathode moved back in the gun (9:15).
• Dark current 96.8 $\mu$A @ 2.4 MW (09:28).
• Dark current 90.2 $\mu$A @ 2.4 MW (10:57).
• Dark current 100 $\mu$A @ 2.4 MW (13:45).
• Beam jumps back (? 15:00).

Mar. 9

• Dark current 250 $\mu$A @ 2.4 MW (00:34).
• Cathode removed.
• Pumping over night.
• Cathode back (9:15).
• Dark current 115 $\mu$A @ 2.4 MW (9:40).
• Beam jumps back (around 14:00).
• Dark current 280 $\mu$A @ 2.4 MW (14:40).
• Dark current 300 $\mu$A @ 2.6 MW (22:00).
• Removed cathode #23 from the gun and prepared to insert #22.

Mar. 10

• Cathode #22 inserted (12:00).
• Dark current 100 $\mu$A @ 2.6 MW.
• Beam jumps (19:18).
• Dark current 460 $\mu$A @ 2.4 MW (19:39).

Mar. 11

• Dark current 660 $\mu$A @ 2.6 MW (00:20).
• Dark current 730 $\mu$A @ 2.6 MW (03:30).
• Dark current 770 $\mu$A @ 2.6 MW (06:55).
• Dark current 740 $\mu$A @ 2.6 MW (07:15).
• Beam jumps every 6 minutes.
• Dark current vs. gradient. Dark current 612 $\mu$A @ 2.2 MW.
• Dark current pictures.
• Cathode #22 out again (13:35).
• Cathode #21 inserted (17:30).
• Dark current vs. gradient. Dark current 152 $\mu$A @ 2.3 MW.

Mar. 12

• No beam jumps (03:35).
• Dark current 200 $\mu$A @ 2.6 MW (05:29).
• Kly 3 broken. No beam!!
• Dark current 40 $\mu$A @ 1.6 MW (21:30).

Mar. 13

• Dark current vs. gradient. Dark current 134 $\mu$A @ 2.3 MW.
• Dark current 205 $\mu$A @ 2.5 MW.
• Due to power cut in Halle 3, cathode removed (20:00).

Mar. 15

• Cathode back (11:00).
• Dark current vs. gradient. Dark current 29 $\mu$A @ 2.2 MW (14:55).
• Dark current 150 $\mu$A @ 2.5 MW (20:25).

Mar. 16

• Dark current 190 $\mu$A @ 2.5 MW (7:30).
• Dark current 170 $\mu$A @ 2.5 MW (9:00).

Mar. 17

• Dark current 141 $\mu$A @ 2.5 MW (9:30).
• Beam jumps observed.
• Dark current 143 $\mu$A @ 2.5 MW (12:45).
• Dark current 130 $\mu$A @ 2.5 MW (15:45).
• Dark current 147 $\mu$A @ 2.5 MW (21:08).
• Beam jump after 4 hours of stable beam.

Mar. 18

• Dark current 150 $\mu$A @ 2.5 MW (morning).
• Dark current 134 $\mu$A @ 2.5 MW (evening).

Mar. 19

• Dark current 152 $\mu$A @ 2.5 MW (morning).

Mar. 21

• Removed cathode.
• Gun vented, mirrors replaced, pumping.

Mar. 22

• Mo cathode inserted (14:45).
• Gun conditioning up to 40 MV/m (3.0 MW).

Mar. 23

• Fired TSPs.
• Cathode #21 in.
• Gun conditioning.
• Reached working point. Dark current 48 $\mu$A @ 2.5 MW (17:30).

Mar. 24

• Dark current 50 $\mu$A @ 2.3 MW (09:55).

Mar. 24

• Dark current 25 $\mu$A @ 2.3 MW (07:40).

Mar. 28

• Dark current 35 $\mu$A @ 2.4 MW (07:40).

Mar. 29

• Dark current 22 $\mu$A @ 2.4 MW (07:40).