Summary of NOT INSTALLED chambers.
Il numero di spare per tipo di camera al momento disponibile e' in rosso, grassetto
Il numero in blu grassetto fra parentesi indica le camere che possono essere ancora recuperate (da recuperare ad es. gas leak...)
Il numero in ciano, grassetto indica le camere che ancora devono essere testate e che al momento sono considerate GOOD!
25 M5R4: [6 Good, 19 Bad, Needed for Installation: 5] Spare: 1 (+10)
In piu' rispetto al conto a FI ci sono 2 camere sbudellate: recupero pannelli?
11 M5R3: [5 Good, 4 Spare, 2 Bad] Spare: 9 (+2)
11 M5R2: [1 Good, 2 Spare, 8 Bad] Spare: 3 (+3)
5 M4R3: [4 Good, 1 Bad, Needed for Installation: 3] Spare: 1 (4 TbT)
In più, rispetto al conto fatto sopra, ci sono 2 'bigap' nel container (capGS): possono essere usate per comporre una camera?
5 M4R2: [2 Good, 3 Bad] Spare: 2
34 M3R3: [29 Good, 5 Bad, Needed for installation: 24] Spare: 5 (+1) (6 TbT)
43 M2R3: [27 Good, 16 Bad, Needed for installation: 24] Spare: 3 (8 TbT)
For details, see below:
BAD Chambers not recoverable are in RED (bold)
Chambers that can be maybe recovered with some work are in BLUE (bold)
Status M5R4. [6G, 19B, Ins: -5] 25 tot. Spare: 1(+10)
6 good.
L34,L23 Roma1 (GOOD)
L33,L41,F57,F79 Roma2 (GOOD)
2 bad @ LNF camera pulita
L35,L66 -> in camera pulita. Gas leak problems.
4 bad @ FI
F123,F87: gas leak
F38,F100: to be opened. Probably can be used to make 1 good chamber.
4 bad @ LNF gapGS
F03: bad to be destroyed
F48,F60,F70,F132: high currents (loose guard wires??)
9 bad @ 156
F131: HV gap B short.
F124: Loose wires or bubble
F41: Loose wires or bubble
F06: Loose wires
L49: High dark current (80nA). Strange structure on TestC counting rate.
F05, F51, F52, F130: small discharges. Test C high counts Mario believes that there are
loose guard wires or (worse) loose wires inside the chamber.
Status M5R3. [5G, 4S, 2B] 11 tot. Spare: 9(+2)
5 good
4 chambers good @ 156
L37 Roma1 (GOOD)
4 spares @ 156 (minor problems)
L07,L20,L51 (bad gain uniformity)
L09 (high counting rate)
1 bad @ LNF camera pulita
L55 gas problem: inside clean room to be sealed. (marked as 57: is wrong!)
1 bad @ FI
L06 gas leak problem: To be sealed.
Status M5R2. [1G 8B 2S] 11 tot. Spare: 3(+3)
1 good
1 good chambers @ 156
3 bad @ FE
F17 (broken wire),
F22-F24 (piste tranciate)
2 bad @ LNF capGS
F01 high current @ 2.7kV
F18 chemical gold. Bad gain uniformity.
3 bad @ 156
F14: large dead zone
F26: broken wire
F33: gap A trips @ 500V
1 spare @ LNF capGS
F34: waiting to be dressed. Bad Gas Gain test
1 spare @ 156
F35: bad test C uniformity
Status M4R3. [4G, 1B, Ins: -3] 5 tot. Spare: 1 (4 TbT)
4 good chambers @ LNF capGS
F02,F21,F42,F47: waiting to be tested
1 bad @ LNF capGS
F39: serious gas, electronics / HV problems
Status M4R2. [2G, 3B] 5 tot. Spare: 2
2 good
F02 Roma2
F03 Roma1
1 bad @ 156
F06. High current @ 2.2kV
2 bad @ FE
F15,F26 : bad HV (bubble or loose wire)
Status M3R3. [29G, 5B, Ins: -24] 34 tot. Spare: 5(+1) (6 TbT)
29 good
28 @ 156 [21 ready for installation]
6 to be tested @ 156
L012 @ Roma1
5 bad @ LNF
L03: gas exploded [currently in ex tubificio]
L25: broken wire (@ CA?)
L44: [currently in ex tubificio]: Problem under investigation
L55: cut in 2 pieces in clean room
L56: broken wire [clean room]
Chambers 25 and 44 need to be looked at in more detail (where is 25? what is the problem of 44?)
Status M2R3. [26G , 17B, Ins: -24] 43 tot Spare: 2 (8 TbT)
26 good
18 @156 [18 chamber read for inst]
8 to be tested @ 156
2 bad @ 156
F51 (gap A unstable @ 2.6 kHv)
F20 (bubble)
1 bad @ capGS
F35: bubble. dead
14 bad @ FE
All dead |
|
Status Spare