Date: Fri, 29 Oct 2004 01:04:55 -0400 (EDT) From: Chang Kee Jung <alpinist@ale.physics.sunysb.edu> Subject: Re: Minutes of K2K Steering Meeting (Oct.28) Message-ID: <Pine.LNX.4.43.0410290103300.6292-100000@ale.physics.sunysb.edu> Dear Ishii-san, Could you tell us what the planned value of "-x" at the target is? Thanks, Chang Kee On Thu, 28 Oct 2004, Takanobu Ishii wrote: > ========================================================================= > *General Report* > ------------------------------------------------------------------------- > After a discussion, a one-week off-direction run in the week of Nov.8 > was accepted. In this run, all the detectors including SK should be > normally working. > > The off-direction run was proposed at the May '04 collaboration meeting > and it will be performed in this K2K run. The run period will be about > one month in total. A possible run scenario will be as follows. > > First, we will take one week of -x (viewed by MRD) run. > Next week will be switched back to a normal run, and during this week > the -x run should be analyzed. > According to this analyzed result, we will decide whether we take > an opposite-direction run or continue the -x run to increase the > statistics. > > > ========================================================================= > *Schedule* > ------------------------------------------------------------------------- > ===Beam=== > Nov.01(Mon) 9:00 Neutrino beam stops > 9:00 ; Dump-mode-change by Ishii > 9:00- Machine maintenance > 17:00- Machine study (8GeV) > Nov.02(Tue) 9:00 After beam channel tuning, neutrino beam starts > ~9:00 ; Dump-mode-change by Hayato > > > ===Detector=== > Somewhen between > Nov.01(Mon) 9:00- SCIFI cosmic-ray run > -Nov.02(Tue) 9:00 SK FADC test > > > ===Shift=== > Nu-H shifts of Nov.01-A,B,C should do a hardware check once and he is free. > NH-CR shifts of Nov.01-A,B,C are canceled. > > > Shift time at KEK (SK shift is a little different) > A-shift : 9:00-17:15 > B-shift : 17:00-25:15 > C-shift : 25:00-9:15(next day) > > > ========================================================================= > *Reports from each subcomponent* > ------------------------------------------------------------------------- > ===BEAM MONITOR=== (Sato) > Beam was on from Thursday evening to Saturday night at 25. > No damage from an earthquake on Friday. > Scheduled accelerator and beam studies on Sunday. > Neutrino beam restarted on Monday evening. > On Tuesday, after beam tuning, beam timing has shifted about > 100 nsec and corrected at 17. > Beam intensity was unstable at 20 due to instability of a computer > for injection. Beam was resumed at 21. > Today at 8, beam was off due to VME (control magnet) trouble, > which has recovered at 10. > > (Ishii) > A GPS check will be added to the regular NH-CR shift duty. > > There was a discussion about the noise problem. After the meeting, > Sato et al. made a test run to investigate the noise problem. > But the cause of the noise is not known yet. > > > ===MRD=== (Ishii) > The MRD has been working well without any problem this week. > We performed a regular gas-purifier regeneration on Oct.27. > > > ===1KT=== (Miura, reported by Ryan) > 1) Hardware trouble > > Oct.25: During neutrino run, we found one cable which > has low occupancy. We checked this cable during > weekly beam mentainance. We could not specify > the source but we confirmed it is not due to > PMT it self or HV (may be it was caused by ATM card or > buffer amp.). We will continue to find which is wrong > during next beam off. > > Trouble: We forgot to turn on 1 HV board when beam comes back. > We awared it by online display and change run with > turning on this board. So 1st run after beam came back > (Run6062) should be bad run for 1kt. > > Oct.26: A pressure gage of water filter broken during carrying RO filter > in water tent. RO elements is 3 m long and carried by two persons. > It hitted on the prresure gage when it was carried over water filter, > and small tube connecting the gage and finter was broken, and > water leak happened from there. We stopped water pump and > close some valves. There are two filters and they are parallelly > connected to water line. We consulted company and turned out > one filter has enough pressure endurance, and no problem to run > with only one filter. We decided to run Water System with one > filter configuration. we are now planing to fix when engineer > from UCI will come to Japan. > > 2) Remarks: We sometimes observe 9th bunch becomes verry small. > > (Ishii) > SCIBAR,SCIFI/VETO please check the 9th bunch with the same run. 6062,6064 > > > ===SCIFI=== (Iwashita/Ishida) > The SciFi has been working well without problem this week. > > > ===VETO=== (Nitta) > No problem. > > > ===SCIBAR=== (S.Yamamoto) > Thanks to shift report, we found the whole of EC pedestals changed by 2%. > They tend to go on increasing from the beginning of Oct. > Such a problem had never occurred before, and we'll continue monitoring. > We expect this has no influence on data quality, but still under investigation. > > > ===SK=== (Obayashi) > SK has been running without any problem last week. > > A test for FADC DAQ is planned during beam off next week. > > > ========================================================================= > SUMMARY of NORTH COUNTER HALL SHIFT (S.Nakayama) > ========================================================================= > -------------------------------------------- > This week: 89.69.% > Live : 6888 / Dead : 792 (acc: 792 / DAQetc. : 0) > 2004/10/28 25:00 > So far: (From Apr-3-2003) 86.03% > Live : 230803 / Dead : 37464 (acc: 25797 / DAQetc. : 11667) > -------------------------------------------- > > Oct 21 2004 A-shift M.Hasegawa > 08:30 call from Acc. group "Acc. will be ready around 10AM." > 11:30 call to SK "Power failure is already recovered. > start 'Normal Run soon' > 12:26 Call from Noumi-san > Ask "shisetsu-bu" to clean up "Dai1 dengen to" > It takes 2 hours. > 14:20 Cleaning work is finished. 1st dump mode. > CT ch4(Awabako) is lower compared with others. trans ~60% > --> Cable was changed (trans ~ 80%) > 15:44 Run 9259 started (Normal Run) > Timing check is finished. But Run made and Name are wrong. > 15:45 Run 9260 started (Normal Run) > > Oct 21 2004 B-shift Y.Takenaga > 17:02 Run 9261 started (shift change) > 21:35 beam sttoped > 21:36 beam recovered > 21:44 beam stopped > 21:45 beam recovered > > Oct 22 2004 C-shift T. Nakaya > 00:55 Run 9262 started (shift change) > 02:58 beam sttoped (booster RF down) > 03:01 beam back > 05:50 beam sttoped (Ion source trouble) > 06:03 beam back > 06:55 beam sttoped (LINAC down) > 06:58 beam back > 07:17 beam sttoped (LINAC down) > 07:21 beam back > > Oct 22 2004 A-shift Y.Takubo > 08:47 Run 9263 started (shift change) > > Oct 22 2004 B-shift Y.Takenaga > 16:49 Run 9264 started (shift change) > > Oct 23 2004 C-shift H.Sato > 00:46 Run 9265 started (shift change) > 01:19 Run 9266 started (Booster H-1 down) > 01:20 Run 9267 started (beam resumed) > > Oct 23 2004 A-shift M.Iinuma > 08:58 Run 9268 started (shift change) > > Oct 23 2004 B-shift Y.Takenaga > 16:59 Run 9269 started (shift change) > 17:42 beam stopped > 17:43 beam started > 17:57 an earthquake > acceleration has some problem -->soon recovered > 18:35 an earthquake > 22:19 beam stopped > 22:23 beam started > > Oct 25 2004 B-shift M.Miura > 17:05 Run 9272 started (shift changed, test run.) > 17:15 Run 9273 started (DAQ stacked. re-start DAQ, test run) > 17:17 Run 9274 started (test run, still no beam) > 20:57 Run 9275 started (Beam started, normal run) > 23:13 Linac down > 23:16 Beam recovered. > 00:37 Ion source down, > 00:38 Beam recovered. > > Oct 26 2004 C-shift H.Sato > 00:46 Run 9276 started (shift change) > > Oct 26 2004 A-shift M.Iinuma > 08:58 Run 9277 started (shift change) > > Oct 26 2004 B-shift M.Miura > 17:00 Beam stopped for test of fast kicker. > 17:17 Beam come back. Run 9278 started. > But Acc. control said they changed delay. > 17:37 Run9279 started. Test run for check timing. > 18:12 Check finished and Run 9280 started (normal run). > 20:20 Beam intensity become very low. > 20:28 Run 9281 started (test run). > 20:33 Dump mode. > 21:01 Run 9282 started (normal run). > 23:04 Booster down. > 23:06 Run 9283 started (normal run). > > Oct 27 2004 C-Shift Y.Moriguchi > 1:03 Run 9284 started (shift change) > 2:55 DAQ beep about 30 second > > Oct 27 2004 A-Shift S.Nakayama > 9:07 Run 9285 started (shift change) > 10:42 an earthquake > 15:27 beam stopped (booster H1 down) > 15:28 beam started > 15:34 Run 9286 started (normal run) > > Oct 27 2004 B-Shift J.Kubota > 16:47 Run 9287 started (shift change) > > Oct 28 2004 C-Shift Y.Moriguchi > 1:01 Run 9288 startex (shift change) > 5:56 Can't reload beam timing information > Call KT expert and ask about the problem > > 6:52 Call from KT expert > -nurock.kek.jp is freezing > -call hayato-san to reboot > 8:34 Beam off (booster mode) > Call from ACC > -VME(control magnet) trouble > -take 2 hours to recover > Call Nu-Hall to change run > > > ============================================================================== > SUMMARY OF NEUTRINO HALL SHIFT (Lisa Whitehead) > ============================================================================== > 10/21 - 10/28 > > run # 6055 ( 2004/10/21 15:50 - 2004/10/21 18:13 ) > Horn: H1 = 249.39 H2 = 248.71 , Main Ring: 5.30 , Target 4.86 > Shift : Pac.M.Y. > > comment(start): Neutrino beam come back > comment(stop) : Stop run to work on SciBar > run # 6056 ( 2004/10/21 18:15 - 2004/10/21 18:27 ) > Horn: H1 = 249.00 H2 = 248.00 , Main Ring: 5.31 , Target 4.80 > Shift : Kielczewska, Terri > > comment(start): test run to check Sci Bar > comment(stop) : SciBar problem resolved > run # 6057 ( 2004/10/21 18:32 - 2004/10/22 03:23 ) > Horn: H1 = 249.00 H2 = 248.00 , Main Ring: 5.21 , Target 4.60 > Shift : Kielczewska/Terri > > comment(start): Normal/all > comment(stop) : sorter@sukInk is dead > run # 6058 ( 2004/10/22 03:25 - 2004/10/22 15:25 ) > Horn: H1 = 249.10 H2 = 248.30 , Main Ring: 5.08 , Target 4.56 > Shift : M.Vlasov > > comment(start): Normal run > comment(stop) : 12 hours are passed > run # 6059 ( 2004/10/22 15:30 - 2004/10/23 03:30 ) > Horn: H1 = 249.09 H2 = 248.05 , Main Ring: 5.25 , Target 4.71 > Shift : Pac.M.Y. > > comment(start): Normal Run > comment(stop) : 12-hour rule > run # 6060 ( 2004/10/23 03:33 - 2004/10/23 15:13 ) > Horn: H1 = 249.20 H2 = 248.00 , Main Ring: 5.30 , Target 4.51 > Shift : M.Vlasov > > comment(start): Normal run > comment(stop) : 12 hours run > run # 6061 ( 2004/10/23 15:15 - 2004/10/24 01:20 ) > Horn: H1 = 249.37 H2 = 247.92 , Main Ring: 5.13 , Target 4.73 > Shift : Pac.M.Y. > > comment(start): Normal Run > comment(stop) : Neutrino beam stopped for acc. study > run # 6062 ( 2004/10/25 20:50 - 2004/10/26 00:58 ) > Horn: H1 = 249.10 H2 = 248.72 , Main Ring: 5.40 , Target 5.20 > Shift : Whitehead > > comment(start): normal > comment(stop) : HV 1kt problem > run # 6064 ( 2004/10/26 01:03 - 2004/10/26 13:08 ) > Horn: H1 = 249.00 H2 = 248.20 , Main Ring: 5.51 , Target 5.21 > Shift : M.Vlasov > > comment(start): Normal run > comment(stop) : 12 hour rule > run # 6065 ( 2004/10/26 13:11 - 2004/10/27 13:38 ) > Horn: H1 = 248.62 H2 = 247.99 , Main Ring: 5.40 , Target 5.20 > Shift : Whitehead > > comment(start): Normal run > comment(stop) : water system problem > run # 6066 ( 2004/10/26 17:20 - 2004/10/26 18:15 ) > Horn: H1 = 248.55 H2 = 248.05 , Main Ring: 5.50 , Target 5.49 > Shift : KK Joo > > comment(start): Normal run > comment(stop) : Miura san (NH-C) said timing is off in the beginning, > so this run will be test run > run # 6067 ( 2004/10/26 18:35 - 2004/10/26 19:16 ) > Horn: H1 = 248.55 H2 = 247.99 , Main Ring: 5.56 , Target 5.45 > Shift : KK Joo > > comment(start): Normal run > comment(stop) : Trigger time out, console keeps beeping > run # 6068 ( 2004/10/26 19:28 - 2004/10/26 20:20 ) > Horn: H1 = 248.69 H2 = 248.05 , Main Ring: 5.34 , Target 5.36 > Shift : KK Joo > > comment(start): Normal run > comment(stop) : Spill number mismatch occurred. Console keep beeping > run # 6069 ( 2004/10/26 20:23 - 2004/10/26 20:27 ) > Horn: H1 = 0.00 H2 = 0.00 , Main Ring: 0.00 , Target 0.00 > Shift : KK Joo > > comment(start): Normal run > comment(stop) : Still console keep beeping. spill number mismatch > occurred > **run # 6070 ( 2004/10/26 20:28 - 2004/10/26 20:30 ) > Horn: H1 = 0.00 H2 = 0.00 , Main Ring: 0.00 , Target 0.00 > Shift : KKJoo > > comment(start): Normal > comment(stop) : Beam intensity suddenly drops, so run stopped > **run # 0 ( - 2004/10/27 09:05 ) > Horn: H1 = 0.00 H2 = 0.00 , Main Ring: 0.00 , Target 0.00 > Shift : > comment(start): > comment(stop) : 12 hour rule > run # 6071 ( 2004/10/27 09:10 - 2004/10/27 21:10 ) > Horn: H1 = 248.82 H2 = 247.99 , Main Ring: 5.74 , Target 5.40 > Shift : Whitehead > > comment(start): Normal run > comment(stop) : 12 hour rule > run # 6072 ( 2004/10/27 21:13 - 2004/10/27 21:23 ) > Horn: H1 = 248.96 H2 = 248.05 , Main Ring: 5.26 , Target 5.21 > Shift : KKJoo > > comment(start): Normal run > comment(stop) : SciBar TA's not working well > run # 6073 ( 2004/10/27 21:25 - 2004/10/28 08:45 ) > Horn: H1 = 248.96 H2 = 248.05 , Main Ring: 5.53 , Target 5.03 > Shift : KK Joo > > comment(start): Normal run > comment(stop) : Beam off > > > **Note on run #6070: > There was some problem filling out the summary. From log book, > correct info is: > run #6070 2004/10/26 21:00 - 2004/10/27 09:05 > Horn: H1 = 248.688 H2 = 248.118, Main ring 5.78, Target 5.45 > Shift KK Joo > comment (start): normal run > comment (stop): 12 hour rule > > ========================================================================= >
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