| ID |
Date |
Author |
Subject |
Text |
 |
|
179
|
Tue, 4.12.2012 17:45:25 |
A.Ivashkin | A-detector | A-detector at 800V works well, but the peaks
are close to pedestal. The voltages at both
PMTs are increased to 870 V.
|
|
|
178
|
Tue, 4.12.2012 13:50:29 |
Zoltan Fodor | measurements of the time of beam counters | I checked on the QA the counter histograms,
and realized the missing time information
for S11-S12 ans S11-S2.
|
|
|
177
|
Mon, 3.12.2012 18:14:48 |
D.Jokovic | TOF status at the start of Be run | https://na61db.cern.ch:8443/elog/TOF+logbook/12 |
|
|
176
|
Mon, 3.12.2012 17:19:43 |
A.Ivashkin | A-detector | A-detector is installed at ~11.00 a.m. The
preliminary HV was set at 800 V for both
PMTs. The further HV adjustment would be |
|
|
175
|
Mon, 3.12.2012 16:48:23 |
O.Petukhov | PSD | PSD platform moved to the run position (13cm
to Jura https://na61db.cern.ch:8443/elog/Experts+logbook/117).
Y-position at 0 cm. Z-position - at 71 cm |
|
|
174
|
Mon, 3.12.2012 10:54:38 |
S. Kowalski | Z Det | Quartz Z Det on beam position. HV for ZdetQ1
2000 V, ZdetQ2 1910
|
|
|
173
|
Fri, 30.11.2012 14:53:08 |
A.Laszlo | Pressure loss in VTPC chilled water circuit. | Due to the above reason the readout electronics
power supply tripped, |
|
|
172
|
Tue, 27.11.2012 12:54:35 |
A.Aduszkiewicz | TPC voltage ramping up status | amplification voltage/drift voltage
[TABLE border="0" cellspacing="10"]
| VTPC-1 | VTPC-2 | MTPC-L | |
|
|
171
|
Mon, 8.10.2012 08:19:05 |
A.Laszlo | TPC potential strips were off for the whole run | A,Aduszkiewicz found that all the potential
strips were off for the whole Autumn p+Pb
run. |
|
|
170
|
Mon, 8.10.2012 08:18:17 |
A.Aduszkiewicz | End of p+Pb run - TPC HV status | Drift voltage:
VTPCs: 13 kV
|
|
|
169
|
Wed, 3.10.2012 15:57:39 |
A.Aduszkiewicz | GAP TPC HV increased by another 10V | On Zoltan's request GAP TPC sense wire voltage
were increased to 1170V, since the measured
signals were still too low. |
|
|
168
|
Wed, 3.10.2012 15:35:26 |
Z. Fodor | MTPC hut temperature | At 13.30 we increased the incoming air temprature
by 1 C degree. I learned from the guy, they
modified
|
|
|
167
|
Tue, 2.10.2012 14:16:27 |
A.Aduszkiewicz | no helium between VT2 and MT | We realised that the aquarium ("sac") between
VTPC2 and MTPC hut was not filled with helium
before this (p+Pb) run. We decided to leave |
|
|
166
|
Mon, 1.10.2012 14:06:41 |
A.Aduszkiewicz | GAP TPC HV increased by 10V | GAP TPC chamber HV was increased by 10V to
1160V, because the signals were too low. |
|
|
165
|
Sat, 29.09.2012 17:14:38 |
Zoltan Fodor | Temperature in the MTPC hut | After increasing the chield water flow, the
temperature going too low and instable.
On the climat unit 16 degree was set, now |
|
|
164
|
Tue, 25.09.2012 21:01:58 |
Zoltan Fodor | TOF readout problem | The TOF read out crashed, could not initialize
the create No5.
Reconnected the VSBI bus in the old configuration. |
|
|
163
|
Fri, 21.09.2012 21:43:27 |
Zoltan Fodor | DAQ problem | The dt s11-s12 contact repaired
from the dt S11-s2 8ns taken out, to be in
the range the signals
|
|
|
162
|
Fri, 21.09.2012 18:52:50 |
A. Marcinek | Problems with BPD1 signals | see https://na61db.cern.ch:8443/elog/BPD+logbook/65 |
|
|
161
|
Fri, 21.09.2012 13:16:10 |
D.Jokovic | TOF HV status at the start of p+Pb run | On TOF-R, the distributors #1.1, #1.2 & #1.3
in the crate 1 didn't work. High voltage
for those PMTs supplied by new, custom made |
|
|
160
|
Thu, 20.09.2012 21:04:58 |
A.Laszlo | LMPD operational settings for p+Pb physics run | - Gas: BPS gas, Ar/CO2 (85%/15%) on both chambers.
We have a single input, then a splitting
for the two chambers. We have flow meter |
|
|
159
|
Thu, 20.09.2012 19:10:59 |
Zoltan Fodor | Magnet problem on VTX1 again | ZF: The VTX1 magnet is quenched !!!!!!! some
times around 6 o'clock
in the crio logbook 18:01 started the quench |
|
|
158
|
Thu, 20.09.2012 14:18:15 |
Zoltan Fodor | Magnet settings | Set the current on the magnets for 160 GeV/c
configuration
VTX1 set value: 5012.6A measured value: 5011.6A
|
|
|
157
|
Thu, 20.09.2012 00:20:20 |
A. Marcinek | BPD HV | 00:15 (AM) Set BPD HV to 1750V on all chambers |
|
|
156
|
Wed, 19.09.2012 15:36:53 |
A.Laszlo | He bag between MTPCL and R | He bag between MPTC-L and R was not connected.
Connected it and started inflating with 50l/h. |
|
|
155
|
Tue, 18.09.2012 17:51:56 |
A.Laszlo | Target alignment | LMPD target was installed and aligned to nominal
position +/-0.5mm, and measured.
BPD3 was put to nominal position by eye and |
|
|
154
|
Mon, 17.09.2012 14:05:42 |
A. Marcinek | BPD3 on beam and gas flow started in all BPDs | see https://na61db.cern.ch:8443/elog/BPD+logbook/62 |
|
|
153
|
Mon, 17.09.2012 10:19:40 |
A.Laszlo | VTX1 test | S4 was put in 160GeV/c position.
Magnet area was cleared.
Magnet power supply switched on.
|
|
|
152
|
Mon, 17.09.2012 10:18:38 |
A.Laszlo | Target holder change to LMPD | On 14 Septermber 2012 we removed VTX1 magnet
scaffolding. Small He leak is seen since
13 September, but leak rate is stable.
|
|
|
151
|
Fri, 24.08.2012 16:29:23 |
A.Laszlo | VTX1 magnet leak welded, box closed | VTX1 magnet joint was welded and brazed in
place.
Leak test with He detector performed.
|
|
|
150
|
Tue, 21.08.2012 14:40:29 |
A.Laszlo | VTX1 top insulator box closed | The VTX1 top insulator box (where current
leads connect to) has been closed.
The connector piece to replace the leaking |
|
|
149
|
Mon, 13.08.2012 16:00:06 |
Z.fodor | PSD movement | I moved the PSD to the parking position. move
down by 472mm and to Jura 340mmm
|
|
|
148
|
Wed, 8.08.2012 13:53:21 |
Z. Fodor | S5 position | The S5 counter was survey by the geometers
at the position -61.5, 7.9 |
|
|
147
|
Mon, 6.08.2012 13:24:11 |
Z. Fodor | Magnet heating | From NA49 VTX@ reparation we found: 60 heating
current at 20V is 215K.
62A |
|
|
146
|
Mon, 6.08.2012 10:25:15 |
A.Laszlo | Beam counters settings for 2012 VTX2-only run | |
|
|
145
|
Mon, 6.08.2012 08:43:42 |
A.Aduszkiewicz | TPC HV setting summer 2012 | Wire voltages in the attachment.
Drift voltages:
|
|
|
144
|
Thu, 2.08.2012 08:57:06 |
Z. Fodor | Problem with na61conv | During the MD the na61conv hanged up, was
no connections and the terminal also was
not working. I restarted with the reset button. |
|
|
143
|
Mon, 30.07.2012 13:52:55 |
Z. Fodor | Warning up VTX1 magnet | Starting from 26.07.2012 we measured the resistance
of the magnet using 10A generator, and the
the measured voltage drop on the coil it |
|
|
142
|
Thu, 26.07.2012 23:14:28 |
Oskar Wyszynski | Trigger settings for USA NA61 measurement | - voltage of S4 PMT increased to 2000v
- current of VTX-2 decreased to 3500A
- added amplifier to S4
|
|
|
141
|
Thu, 26.07.2012 15:44:04 |
Z, Fodor | Magnet warm up | With Yves Gaillard measured the resistance
of the coil on VTX1. Put 10 A current to
the coil. The measured voltage drop .720V |
|
|
140
|
Tue, 24.07.2012 17:46:26 |
A.Aduszkiewicz | VTPC and GTPC voltages increasing | [TABLE border="0" cellspacing="10"]
|VTPC-1 drift | VTPC-1 HV | VTPC-2 drift
| VTPC-2 HV |GAP TPC drift | GAP TPC HV|
|
|
|
139
|
Wed, 18.07.2012 11:23:25 |
AL, ZF | PSD readout check | AL,ZF: Took out some hanging cable on the
NIM crate, in the FAN IN/OUT used different
outputs for the lines /to have higher signals/ |
|
|
138
|
Mon, 16.07.2012 13:46:57 |
A.Laszlo | LMPD target change from Pb 0.5mm -> 1mm | Original settings:
https://na61db.cern.ch:8443/elog/Experts+logbook/120716_134706/id138-2012-07-16-134702.png
Drift voltage: 4kV.
|
|
|
137
|
Fri, 13.07.2012 13:58:23 |
Andras Laszlo | First production run for 158GeV/c p+Pb is 15852 | But from run 15926, it seems to be surely
of production quality. |
|
|
136
|
Fri, 13.07.2012 02:49:02 |
A. Wilczek | Beam alignment | FULL TRIGGER CONFIGURATION - it can't be used
as a direct measure of centrality of the
beam position at the target plane.
|
7x |
|
135
|
Tue, 10.07.2012 10:41:14 |
A.Laszlo | Magnet settings for 2012 158GeV/c p+Pb data taking | List of responsables in 2012:
- Magnet cryogenics: Laura Stuart - 160720
- Magnet power supply: Yves Gaillard - 160950, |
|
|
134
|
Tue, 10.07.2012 02:59:38 |
A. Wilczek | Beam alignmet - continuation | Files as in https://na61db.cern.ch:8443/elog/Experts+logbook/131 |
6x |
|
133
|
Thu, 5.07.2012 16:06:19 |
A.Laszlo | VTX1 magnet | Alexei Dudarev found some contact person who
seem to have docs: Fernando Cataneo
|
|
|
132
|
Tue, 3.07.2012 17:19:28 |
Zoltan Fodor | 30GeV Magnetic Field | Put s4 counter to 2.6 mm to Jura side /30
GeV Field and 160 GeV beam/ |
|
|
131
|
Tue, 3.07.2012 13:49:03 |
A.Sadovsky A.Wilczek | Beam alignmet on target study | We have selected runs (with T2 trigger) from
the past night.
Analyzed with help of online QA
|
|
|
130
|
Fri, 29.06.2012 16:39:58 |
A.Aduszkiewicz | GAP TPC HV full | After finishing GAP TPC calibration the amplification
voltage is set back to the nominal value:
1150V |
|
|
129
|
Fri, 29.06.2012 09:26:00 |
R.Planeta | position of S2 | position of S2 changed from 87.1 to 82.9 (4.2
mm down) |
|
|
128
|
Thu, 28.06.2012 16:36:30 |
A.Aduszkiewicz | GAP TPC voltage reduced for Kr source installation | Voltage was set to 1150V up to now.
For the Kr source installation it has been |
|
|
127
|
Wed, 27.06.2012 08:42:02 |
A.Laszlo | Kr calibration settings | Voltage settings for VTPC1 Kr calibration:
https://na61db.cern.ch:8443/elog/Experts+logbook/120627_084239/id127-2012-06-27-084234.png
Run range of useful runs with these settings |
|
|
126
|
Mon, 25.06.2012 17:45:38 |
A.Aduszkiewicz | VTPC-1 voltage reduction for Kr calibration | Nominal voltage: 1210/1180V
Reduced to: 1130/1120V
|
|
|
125
|
Sat, 23.06.2012 19:29:26 |
A.Aduszkiewicz | TPC HV full | The setting is:
VTPC-1 1210/1180V
VTPC-2 1060V
|
|
|
124
|
Sat, 23.06.2012 10:37:05 |
A. Marcinek | V1 | 2012.06.23 10:07:38 (AM) Switched off the
V1 HV, since according to TRIM scan, it didn't
give the signal. Maybe the cable is disconnected.
|
|
|
123
|
Thu, 21.06.2012 10:07:28 |
A.Laszlo | Automatic HV trip detection in central DAQ | Implemented automatic HV trip detection in
central DAQ. See:
https://na61db.cern.ch:8443/elog/DAQ+logbook/25 |
|
|
122
|
Wed, 20.06.2012 18:04:57 |
A. Marcinek | counter HV | Set HV of counters:
S4 1920V
V0 1920V
|
|
|
121
|
Tue, 19.06.2012 11:11:50 |
A.Aduszkiewicz | TPC HV ramping up | amplification voltage/drift voltage
[TABLE border="0" cellspacing="10"]
| VTPC-1 | VTPC-2 | MTPC-L | |
|
|
120
|
Wed, 7.12.2011 17:52:15 |
A.Laszlo | Saved setting of 2011 ion run | ...::: TPC HV :::...
VTPC-1 1210 V (sectors 1 and 4) / 1180 V
(rest)
|
13x |
|
119
|
Thu, 1.12.2011 14:52:08 |
| | |
|
|
118
|
Tue, 29.11.2011 17:42:32 |
Ivashkin A. | PSD trigger thresholds | PSD trigger thresholds for energies:
150 GeV - 520 mV
75 GeV - 270 mV
|
|
|
117
|
Tue, 29.11.2011 17:39:47 |
Ivashkin A. | PSD position at beam | PSD position (center of PSD) at beam for energy:
80 GeV, 150 GeV: Z=2200 cm from target, Y=0
cm, X=18 cm (to Jura side)
|
|
|
116
|
Thu, 24.11.2011 11:07:21 |
A. Ivashkin | PSD MAPD voltages | For the next Pb test runs the voltage at PSD
modules 6,7,10,11 increased.
Mod.6: U=65.5 V;Mod.7: U=65.5 V; Mod.10: |
|
|
115
|
Thu, 24.11.2011 09:41:36 |
A. Ivashkin | PSD voltages for Pb runs | For Pb test runs 15136-15141 the HV at MAPDs
for modules 6,7,10,11 was reduced for 1 Volts.
The current values: Mod.6: U=65.0 V ;Mod.7: |
|
|
114
|
Tue, 22.11.2011 17:14:18 |
S. Pulawski | HV Setings of counter for 75A Gev/c Be beam. | |
11x |
|
113
|
Sat, 19.11.2011 19:48:50 |
S. Pulawski | Signal cabel of Z get sum. | Connected back to ADC. Not reason to be unconnected
earlier. |
|
|
112
|
Thu, 17.11.2011 00:51:05 |
Z.Fodor | Added PSD summed analog signal to ADC | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/19 |
|
|
111
|
Thu, 17.11.2011 00:48:21 |
Z.Fodor | Deadtime after CAMAC fast clear changed | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/18 |
|
|
110
|
Wed, 16.11.2011 14:52:19 |
A. Aduszkiewicz | TPC HV | Today, testing with the beam on, the HV in
the GAP TPC has been increased to the nominal
value. It could be still too low, since the |
|
|
109
|
Tue, 15.11.2011 22:55:09 |
A.Laszlo, S.Pulawski | Oscillation observed on the pedestal line of VTPC2-Sector4,6 | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/17 |
|
|
108
|
Tue, 15.11.2011 04:29:21 |
S.Kowalski | Zdet delay | [sk] -. add delay to sum of Zdet signal, order
in ADC sum 19, pmt1, 20, pmt2 21, sum with
delay 22 |
|
|
107
|
Mon, 14.11.2011 11:43:26 |
A.Laszlo | Added Z-det signal to MTDC | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/16 |
|
|
106
|
Sat, 12.11.2011 19:57:26 |
Z.Fodor, A.Laszlo | T0 change | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/15 |
|
|
105
|
Sat, 12.11.2011 08:11:21 |
S, Kowalski | HV Quartz det | runs 14846-14851 HV q1 2000 q2 2025 |
|
|
104
|
Fri, 11.11.2011 02:43:25 |
A. Aduszkiewicz | TPC HV status | Chamber voltages are 30V below the nominal
value. I'm afraid to go higher, since I have
no tool to verify the results (DAQ crashes |
|
|
103
|
Fri, 11.11.2011 01:57:45 |
H.-J. Mathes | Beam counter settings | 01:50 (HJM) These are the settings for this
night (and may be the near future, too)
|
|
|
102
|
Thu, 10.11.2011 12:33:06 |
H.-J. Mathes | Beam counter switch on | 12:30 (HJM) Switched on the beam counters,
100V below the nominal values (set value
in the dialog)
|
|
|
101
|
Wed, 9.11.2011 21:25:37 |
Seweryn Kowalski | Z-det ADC Channels | Z-det: Crate 17-8, slot 9, channel 7 - gas,
8 - quartz1, 9 - quartz2
Checktestbeam: channels: 19,20,21 |
|
|
100
|
Wed, 9.11.2011 18:36:56 |
A. Aduszkiewicz | TPC HV | Chamber voltages are now 100V below the nominal
values. Currents are low. |
|
|
99
|
Wed, 9.11.2011 14:06:01 |
S, Kowalski | Z det | The quartz Z0det was installed on the position.
The 2 singals was send to the ACQ.
We finished the test with LED.
|
|
|
98
|
Tue, 8.11.2011 12:32:12 |
A.Aduszkiewicz | TPC HV drift and chambers | The drift voltage has been set to the nominal
value in all TPCs:
VTPC-1: 13000V
|
|
|
97
|
Mon, 7.11.2011 12:10:54 |
A. Aduszkiewicz | GAP TPC drift voltage | GAP TPC drift voltage set to 5kV. Found out
that the current indicator is faulty and
tends to show 0 at low voltage settings. |
|
|
96
|
Mon, 7.11.2011 11:39:35 |
A.Laszlo, S.Pulawski | TPC pedestal oscillation observed again, now in full VTPC2-Sector6 | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/11 |
|
|
95
|
Sat, 5.11.2011 18:45:41 |
A. Aduszkiewicz | TPC drift voltage 5kV | I increased TPC drift voltage to 5kV.
I realised that in the GAP TPC there is no |
|
|
94
|
Fri, 4.11.2011 17:04:52 |
A. Aduszkiewicz | TPC drift voltage 1kV | Set the TPC drift voltage to 1kV.
The reason for the problems with switching |
|
|
93
|
Wed, 2.11.2011 16:29:11 |
A.Aduszkiewicz | TPC drift voltage | The TPC drift voltage is set to 5kV in all
5 TPCs.
|
|
|
92
|
Sun, 18.09.2011 20:33:05 |
A.Laszlo | PSD sum signal to ADC1-10 | We connect the PSD sum signal (arriving on
S5 aircore cable) to ADC unit 1 (rack 17
crate 8 slot 8) channel 10. |
|
|
91
|
Fri, 16.09.2011 09:20:06 |
A.Laszlo | PSD trigger uses aircore cable of S5 temporarily | We unconnected S5 PMT from its aircore cable,
and used it for PSD trigger signal line to
shorten PSD delay. |
|
|
90
|
Mon, 5.09.2011 11:58:55 |
W. Dominik | VT-2 noise fighting - story continues | During the SPS break an attempt to cure the
noise (oscillations) in the sectors 1 and
6. Action:
|
|
|
89
|
Mon, 5.09.2011 10:05:26 |
W. Dominik | VTPC-2 noise oscillations understood! | From the beginning of the restart after the
long MD a noise (oscillations) in the VTPC-2
sector 3 were observed. The reason was not |
|
|
88
|
Tue, 23.08.2011 12:04:53 |
T. Matulewicz, P. Roznowski | MTPC L drift length change 2 | [URL=https://na61db.cern.ch:8443/elog/DCS+logbook/62]MTPC
L drift length change 2[/URL] |
|
|
87
|
Mon, 22.08.2011 09:53:28 |
T. Matulewicz, P. Roznowski | MTPC L drift length change | [URL=https://na61db.cern.ch:8443/elog/DCS+logbook/61]MTPC
L drift length change[/URL] |
|
|
86
|
Wed, 17.08.2011 14:46:09 |
S. Pulawski | Change in HV channels... | 14:44 (sp) 4 new HV cabels and 3 signal cabels
finded and changed to Z detectors.
Screens of old HV DCS monitor before change |
|
|
85
|
Tue, 16.08.2011 17:37:20 |
A.Laszlo | Changed S5 HV to -1930V | Raised HV on S5 to -1930V to plateau it. |
|
|
84
|
Wed, 10.08.2011 14:35:21 |
A.Laszlo | Changing HV of S5 | Changed the original S5 HV -1820V (see: https://na61db.cern.ch:8443/elog/Experts+logbook/110810_143543/id84-2011-08-10-143537.png.png?thumb=1)
to: -1870V (see: https://na61db.cern.ch:8443/elog/Experts+logbook/110810_184337/id84-2011-08-10-184333.png.png). |
|
|
83
|
Fri, 5.08.2011 11:35:02 |
A.Laszlo | MTPCL gating grid contact problem | MTPCL sectors 11-20 showed spike in the middle
of time range. Rainer's advice was to check
contacts of trigger LEMO cable to gating |
|
|
82
|
Thu, 4.08.2011 18:47:29 |
Z.Fodor, A.Laszlo | Modification of MTDC mapping | See: https://na61db.cern.ch:8443/elog/DAQ+logbook/5 |
|
|
81
|
Wed, 3.08.2011 20:03:59 |
Z.Fodor, A.Laszlo | Gating grid problem in VTPC2 repaired | Gating grid pulser ringing was detected in
VTPC2 sectors.
- Contacts were moved. This helped for all |
|
|
80
|
Mon, 1.08.2011 14:02:33 |
W. Dominik | Magnets V1 & V2 settings and callibration | 14:00 callibration:
V1 for I=5000A measured ==> should be 5000A
set
|
|