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Subject: sPHENIX discussion of the superconducting solenoid

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2016/03 38 mails

<< < page 1 / 2 > >>

16/03/01
- [Sphenix-magnet-l] 227 K linear-pot. 4 read 0 (broke?), Yip, Kin
- Re: [Sphenix-magnet-l] 227 K linear-pot. 4 read 0 (broke?), Than, Yatming (Roberto)
- Re: [Sphenix-magnet-l] 227 K linear-pot. 4 read 0 (broke?), Yip, Kin
16/03/02
- [Sphenix-magnet-l] faster cool-down tomorrow morning ... omit 23 hours of strain ... contraction learnt, Yip, Kin
16/03/03
- [Sphenix-magnet-l] "faster mode" hasn't startedi, yet ... ~202 K, Yip, Kin
16/03/04
- [Sphenix-magnet-l] slowness resistance to helium flow in the coaxial line is greater than expected ... 190 K, Yip, Kin
16/03/05
- [Sphenix-magnet-l] 178 K ... switch to "plant" on Monday, Yip, Kin
16/03/06
- [Sphenix-magnet-l] daily report : ~164 K ... Slightly faster (Cryo Group has switched to use the Plant ? ), Yip, Kin
- Re: [Sphenix-magnet-l] daily report : ~164 K ... Slightly faster (Cryo Group has switched to use the Plant ? ), Than, Yatming (Roberto)
16/03/07
- [Sphenix-magnet-l] no. of turns of turn ... (as-built), Kin Yip
- [Sphenix-magnet-l] quench analysis ?, Kin Yip
- [Sphenix-magnet-l] plugged and warm gas flown since 11:30 am ... cool down again at ~6 pm, Yip, Kin
16/03/08
- [Sphenix-magnet-l] sPHENIX Magnet biweekly meeting on Mar. 9 at 1:30 pm ... Plug appeared again (arteriosclerosis !), Yip, Kin
16/03/09
- [Sphenix-magnet-l] Brief Summary of sPHENIX Magnet Biweekly meeting (Mar. 9, 2016), Kin Yip
16/03/10
- [Sphenix-magnet-l] force inversion just due to current change ... Opera shows different signs of forces at 459.6 A vs 4596 A, Kin Yip
- [Sphenix-magnet-l] cool-down restarted 149 K, Yip, Kin
16/03/11
- [Sphenix-magnet-l] ~141 K ... cooling down slowly ..., Yip, Kin
16/03/12
- [Sphenix-magnet-l] ~131 K, Yip, Kin
16/03/13
- [Sphenix-magnet-l] ~121 K, Yip, Kin
16/03/14
- Re: [Sphenix-magnet-l] ~121 K, Than, Yatming (Roberto)
- [Sphenix-magnet-l] below 97 K now (>1 K per hour), Yip, Kin
16/03/15
- [Sphenix-magnet-l] < 65 K ... Plan for the test, Yip, Kin
- [Sphenix-magnet-l] comparison of axial forces (BaBar, BaBar-shifted and sPHENIX) at various current using Opera, Yip, Kin
16/03/16
- [Sphenix-magnet-l] ~30 K ... 4.5 K may be imminent ??, Yip, Kin
16/03/17
- [Sphenix-magnet-l] all safety procedures completed ... the last 10 K does need more efforts ... low-field test this coming Monday, Yip, Kin
16/03/18
- [Sphenix-magnet-l] about there ... ~5-6-7 K, Yip, Kin
16/03/19
- [Sphenix-magnet-l] probably only 7 hours each time at 4.5 K, Yip, Kin
16/03/20
- [Sphenix-magnet-l] to avoid chaos due to RHIC warmup around setctor_10, 4.5 K again at 10 am on Tuesday .... hipot test etc. on Monday, Yip, Kin
16/03/21
- [Sphenix-magnet-l] thermal contraction, Than, Yatming (Roberto)
- [Sphenix-magnet-l] hipot test passed ... voltage taps good ... 10 am tomorrow for the low-field test, Yip, Kin

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