Michigan B184 Updates

Back to UM ATLAS web page

Jan04 Feb04 Mar04 Apr04 May04 Jun04 Jul04 Aug04 Sep04 Oct04 Nov04 Dec04
Jan05 Feb05 Mar05 Apr05 May05 Jun05 Jul05

Jan 16, 2004 Details

Unpacked boxes from Dec, 2003 chamber shipment. Set up B184.

January 23, 2004 Details

• Unpacked, sorted boxes from shipment.
• Got B184 built-in gas system working
• Worked on 2 gas testing carts and cosmic ray DAQ.
• EMS5A08: Applied epoxy to tubelets.

February 5, 2004 Details

• 2 rolling carts were assembled for EMS5 and EML3 chambers.
• EML3C01: Finished applying tubelet epoxy. Installed T sensors + cabling
• EMS5A08: Finished applying tubelet epoxy. Installed T sensors.
• EMS5C16: Want to re-certify gas system.

February 19, 2004 Details

• Italian group vacated B184.
• Assembled an EMS5 rolling cart.
• EML3C01: Installed B sensor mounts. Flushed with 4 gas volumes, and started CR testing.
• EMS5A08: Installed T sensors and alignment cabling + B sensor mounts.
• EMS5C16: Re-certified gas system. Testing dark current.

March 5, 2004 Details

• EMS5C16, EML3C01: CR tested. Crated and ready to go to B180.
• EML4A15: Has several hot channels; treated with -HV over weekend.
• EMS5A08: Chamber had failed longterm leak test. Now cracks found on endplugs.

March 12, 2004 Details

• EML4A15: Treated with -HV; had hot channels with 12.5+25ns spikes, re-crated
• EMS5A08: Cracks found in 10 endplugs, coated these with epoxy.
• EML3C03: Treated 3 high dark current tubes with -HV; also had un-explained HV trips.

March 19, 2004 Details

• EML4A15: Passed CR test and re-crated.
• EML3C03, EML4C09: Undergoing CR test.
• EMS5C12: Tubelets painted with epoxy; Survey & B sensors platforms glued, pressure tested; cabling installed.
• EMS5A02: Tubelets painted; Survey & B sensors platforms glued; cabling installed & tested.
• EML4A11: T sensors tested, being cabled.

March 26, 2004 Details

• EMS5A08,EMS5C12,EMS5A02 : Passed gas leak test. EMS5A08 had 11 cracked endplugs, and all endplugs were sealed with epoxy.
• Signal HH cards are successfully cleaned with acetone.

April 2, 2004 Details

• EML3C03, EMS5C12: Cosmic-ray tested, EML4A11 in progress.
• EML4A09, EML3C09 : Epoxied, cabling done, HH cards installed.
• EMS5A08: Careful leak scan with He. Seems OK
• EMS5A02: Leaks at 20 mbar/day and being leak scanned with He, but can't find leaks.

April 8, 2004 Details

• EML4A09, EML3C09: Cosmic-ray tested.
• EML4A03: Cabled, T sensors tested. Installed HV and SHH cards.
• EML3C13: Reglued crossbeam T sensors; started cabling.
• EMS5A08: Leak tested to 5 mbar/day.
• EMS5A02: Leaks at 15 mbar/day, applied epoxy at some tube ends, will retest for leaks.

April 16, 2004 Details

• EMS5A08: Cosmic-ray tested. Total CR Certified: 10
• EML4A03: Ready for CR test.
• EML3C13: Mezz cards installed, CR test next week.
• EML3A15: Applying tubelet epoxy.
• EMS5A02: Apply epoxy to all tube ends. (has leaky endplugs)

April 22, 2004 Details

• EML4A03, EML3C13: CR tested. Total CR Certified: 12
• EMS4C16: Started work. Needs to be leak certified.
• EML4A07: Applied epoxy, T sensor cabling
• EML3A15: Applied epoxy, glued B sensor platforms.
• EMS5A02: Finished epoxying endplugs.

April 29, 2004 Details

• EMS4C16: Epoxied, being leak tested.
• EMS5A02: Leak tested after epoxy, no improvement, continue integration
• EML3A07: Needs epoxy. Has survey mounts, but no targets.
• EML3A15: HH and cabling installed.
• EML3C07: HH and cabling installed.
• EML4A01: Fixed epoxy, leak tested, installed HH cards
• EML4A07: Started electronics testing

May 7, 2004 Details

• EMS5A02, EML4A07, EML4A01 passed CR test. Total=15
• EML3A15: CR testing.
• EML3C07: Ready for CR test.
• EMS4C16: Leak certified; install HH card, T sensor/cables.
• EML3A07: Leak testing. Will glue on survey targets.
• EMS5C08: Opened, and started epoxy

May 14, 2004 Details

• EML3C07: Passed CR test. Total passed=16
• EML3A15, EMS4C16, EML3A07: CR testing.
• EML4A05: Cracked tubelet found, leak testing, install T sensor/cables.
• EMS5C08: Epoxy done, doing T sensor tests/cabling.
• EML3A07: Leak testing. Will glue on survey targets.
• EMS4C10, EMS5C02: Epoxy half done

May 19, 2004 Details

• EML3A15, EMS4C16: Passed CR test. Total passed=18
• EML3A07, EML4A05: CR testing.
• EMS5C08: ready for CR test.
• EMS4C10, EMS5C02: Epoxied, leak testing, installed T sensor/cables.

May 28, 2004 Details

• EML3A07, EML4A05, EMS4C02, EMS5C08: Passed CR test. Total passed=22
• EMS4A12 Pressure testing, cables installed
• EML3C15: Pressure testing.
• EMS4C10: Pressure testing.

June 2, 2004 Details

• EML4C10, EMS4A12: Passed CR test. Total passed=24
• EML3C05: CR testing
• EML3C15: ready for CR test.
• EMS5A10: Survey and B sensor target installed, cabled.
• EMS4C06: Epoxied, platforms installed.

June 11, 2004 Details

• EML3C05, EML3C15: Passed CR test. Total passed=26
• EMS4C06: ready for CR test.
• EMS5C06: Epoxy done, T sensors and inplane system tested.
• EML3A13: Epoxy done, T sensors and inplane system tested.
• EML3A05: Epoxy half done.
• EML3A11: Epoxy done.

June 18, 2004 Details

• No chambers passed CR test this week. Total passed=26
• EMS4C06: Re-taking CR test.
• EML3A13: CR test done; redoing mezz scan.
• EML3A05: Epoxy done, T sensors and inplane system tested.
• EML3A11: Ready for CR test
• EMS5A10: Painted with epoxy and being leak-tested.
• EMS5C06, EMLA13: Have tubes with high DC. Treating with -HV.

June 25, 2004 Details

• EML3A13, EMS4C06, EMS5C06, EML3A05 passed CR test. Total passed=30
• EML3A11: Doing CR test
• EMS5A10: Leak rate halved after epoxy painting; doing DC test.
• EML3A13: DC testing (but CR tested?).
• EMS5A16: Cabling done, survey target and B sensor platform glued.
• EMS4C04: T sensor and inplane system tested, MECCA + DC test.

July 1, 2004 Details

• EML3A11, EMS5A10, EMS5A16 passed CR test. Total passed=33
• EMS4C04: installing FC for HV and SHH cards.
• EML3A09: epoxy tubelets finished, glued survey target stickers.
• EMS4A02: started epoxy to tubelet half jumper location (US brass tubelets).

July 9, 2004 Details

• EML4C03, EMS5C04 passed CR test. Total passed=35
• EML3A09, EMS4A02, EML4C13
• EMS4A14 installing mezz card
• EML3C11 testing dark current

July 16, 2004 Details

• EMS4A02, EML4C13, EML3A09 passed CR test. Total passed=38
• EMS4A14, EML4C03, EML4C11, EML4C07 : Doing CR test

July 23, 2004 Details

• EML3C11, EML4C11, EML4C07 passed CR test. Total passed=41
• EMS4A14 : Doing CR test
• EMS4C08 : Survey/B sensor platforms + T sensor/plane cabling done.
• EMS4C01 : Dark current testing
• EMS4C14 : Just opened

July 30, 2004 Details

• EMS4A14, EML4C01, EMS5C14 passed CR test. Total passed=44
• EMS4C08, EMS4C14 : Ready for CR test
• EMS4A16 : Dark current testing
• EMS5C10 : Dark current testing
• EMS5A04 : Failed long term gas leak tightness. Recertify with helium.

Aug 6, 2004 Details

• EMS4A16, EMS5C14 passed CR test. Total passed=46
• EMS5A04, EMS5A06 : Epoxied, cables, targets added. Measuring leak rates.
• EMS4A08 : Just opened.

Aug 13, 2004 Details

• EMS4A04, EMS5C10, EMS4C08 passed CR test. Total passed=49
• EMS4A08: Ready for CR test this afternoon
• EMS4A06: Epoxy done, survey target, B sensor platform glued. Next: leak test.
• EMS4A10: Just arrived

Aug 20, 2004 Details

• EMS4A06 passed CR test. Total passed=50
• EMS4A08: CR testing this afternoon
• EMS4A04: Ready for CR test.
• EMS4A10, EMS4C08 : Dark current testing.

Aug 27, 2004 Details

• EMS4A08, EMS4A06, EMS4A10 passed CR test. Total passed=53
• EMS4C12, EMS5A04: CR testing
• EMS5C02: Small leak detected; under testing.
• EMS4C04, EML3A01: Tubelets epoxied, installing electronics.

Sept 3, 2004 Details

• EMS5A04, EMS4C12 passed CR test. Total passed=55
• EMS4C04: Retake CR data
• EML4A13, EML3A01: Performing mezz card HV on scan.
• EML5A03: Dark current test

Sept 10, 2004 Details

• EML3A01, EML4A13, EMS4C04 passed CR test. Total passed=58
• EML5A03: CR taken, but long drift time; will flow more gas & re-do.
• EML4C15: Mezz card scan failed due to low correclation eff; redo.
• EMS5A14: Slightly high leak rate; test endplugs with He leak detector.
• EMS5C02: Epoxy applied to endplug ends; has high DC so cleaning endplugs.

Sept 17, 2004 Details

• EML5A03, EML5A05, EML4C15 passed CR test. Total passed=61
• EML5A01: ready for CR.
• EML4C05: Dealing with hot tubes and hi dark current.
• EMS5A14: Epoxy applied to endplug ends.

Sept 24, 2004 Details

• EML5A01, EML4C05, EMS5C02, EMS5A14 passed CR test. Total passed=65
• EML5A15: Ready for CR test
• EML5C01: Started mezz card scaning.
• EML3A03: Ready for dark current test

Oct 1, 2004 Details

• EML5A13, EMS5A14, EML3A03 passed CR test. Total passed=68
• EML5C01, EMS5A12: Ready for CR test
• EML5C09: Dark current test.

Oct 8, 2004 Details

• EML5C01, EML5C09, EML5C13, EMS5A12 passed CR test. Total passed=72
• EML5A09: CR test almost done.
• EML5C03: Dark current test.
• EMS5C07: Replaced ET's, recertified the chamber.

Oct 15, 2004 Details

• EML5A09, EML5C03, EML5C07, EML5C15, EML5C05 passed CR test. Total passed=77
• EML5A07: CR test done, but need to re-install the long FC
• EML5C11: Initial CR test done, but need to change two mezz cards.
• EML5A11: CR test data taking.
• EMS4C10: Re-work chamber - replace mezz cards, add DCS, change HV.

Oct 22, 2004 Details

• EML5A07, EML5A11, EML5C11 passed CR test. Total passed=80!!!
• Now we must redo some chambers, replacing mezz cards and redoing CR test
• Chambers redone: EMS4C10, EMS4C16, EMS4C02, EML3A07.

Oct 29, 2004 Details

• Chamber re-working 12 done, 30 to do.
• Chambers re-worked this week: EMS5A08, EMS5C16, EMS5C12, EML3A15, EML3C01, EML4A09, EML4C09, EML4A01

Nov 5, 2004 Details

• Chamber re-working 19 done, 30 to do.
• Chambers re-worked this week: EML3C03, EML3C09, EML3C07, EML3C13, EML4A11, EMS5A02, EMS5C08

Nov 12, 2004 Details

• Chamber re-working 26 done, out of 30.
• Chambers re-worked this week: EML3C05, EML4A03, EMLS5A10, EMS4C06, EML4A15, EML3C11, EML4C03

Nov 19, 2004 Details

• Chamber re-working 30 done, out of 34.
• Chambers re-worked this week: EML4A07, EML4C07, EML4A05, EMS4A02, EML3C15, EML3A05

Nov 26, 2004 Details

• UM Chamber re-working 34 done, out of 34.
• Chambers re-worked this week: EMS5C04, EMS4C12
• EML4A07 and EML4C07 were damaged in a crane accident.

Dec 3, 2004 Details

• UM fixing dropped chambers..
• UW Certified chambers EMS2A04, EMS2A12

Dec 10, 2004 Details

• UM: EML4C07 fixed, EML4A07 still being repaired.
• UW Certified chambers EML2C09, EMS3C16, EML1C07

Dec 17, 2004 Details