Date Run# #events V_GEM(V)

V_FC(V)

[E(V/cm)]

Gas B(T) Comments
change trigger logic (logic diagram)
2008/06/06
185
9508
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
50μm GEM
2008/06/07
ped063
103
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
 
2008/06/07
186
9356
250

6580[200]

Ar-CF4-isoC4H10(95:3:2)
1
 
2008/06/08
187
7478
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/09
188
8360
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/10
189
6351
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/11
190
7900
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/12
191
8049
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/13
192
2849
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
1
FC resister box was changed. (140MΩ[E=200V/cm] -> 162MΩ[E=165V/cm])
2008/06/14
193
10050
250
5690[165]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/16
194
5422
250
5690[165]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/17
195
14216
250
5690[165]
Ar-CF4-isoC4H10(95:3:2)
1
FC resister box was changed. (162MΩ[E=165V/cm] -> 195.7MΩ[E=130V/cm])
2008/06/19
196
12199
250
4802[130]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/20
197
5966
250
4802[130]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/21
198
15501
250
4802[130]
Ar-CF4-isoC4H10(95:3:2)
1
2008/06/22
199
6529
250
4802[130]
Ar-CF4-isoC4H10(95:3:2)
1
TPC was moved out. (B=1T -> B=0T)
FC resister box was changed. (195.7MΩ[E=130V/cm] -> 140MΩ[E=200V/cm])
2008/06/23
200
50
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/06/23
ped064
100
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
 
2008/06/23
201
6500
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/06/24
202
10710
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/06/25
203
10264
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
Pipe line for Ar gas was broken. => replaced
2008/06/28
204
11300
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/06/29
205
6777
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/06/30
206
7532
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/07/01
207
17549
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
2008/07/03
208
11310
250
6580[200]
Ar-CF4-isoC4H10(95:3:2)
0
 
FC resister box was changed. (140MΩ[E=200V/cm] -> 195.7MΩ[E=130V/cm])
               
CF4 Test with GEM/MP-TPC by Cosmic-Ray at KEK-C.C.

Run Summary 3 (trigger with MPPC)

•rawdata file : /data2/cdc/data/mpitpc/2008/gem-cosm/cosm_run???.yyyymmdd.???.slcio @ jlclogin2.kek.jp

•trigger : VMPPC=70.0V, clock=1Hz @ pedstal run (trigger logic diagram)