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⇤ ← Revision 1 as of 2020-09-25 05:50:22 →
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Editor: TakaakiYokozawa
Comment:
← Revision 7 as of 2020-09-25 14:17:07 → ⇥
Size: 4907
Editor: tatsuki.washimi
Comment:
Deletions are marked like this. Additions are marked like this.
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 * 2020/09/11(Fri) 16:00-  * 2020/09/25(Fri) 17:00-
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==== After PEM meeting ====
 * Practice of Fujikawa-san presentation
 * Discussion about lock loss study
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 * JPS meeting
  * Online meeting [[https://www.jps.or.jp/activities/meetings/autumn/autumn_index.php|web]]
  * Yokozawa will present about the PEM activity (9/15 morning)
   * make presentation this weekend (Similar to F2F meeting)
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 * (Next JPS meeting is also online-meeting)　
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   * Continued to 30th Sep.
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   * The spectrum of the error signal of the ALS DARM was improved in higher frequency region
   * Now ASC control was implemented using TMS X/Y
    * Stable arm alignment
   * - 25th Sep.
  * Occasional day
   * 26th- Sep.
  * Preparation for O4 work		    * ALS DARM and Find IR resonance
   * PRCL, SRCL control

 * Preparation for O4 work
  * Toward opening the chamber
   * FFU on with temperature control
  * Help the VIS cleaning
   * Cleaning the PEMs
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  * Situation is unclear, I will explain in this meeting.
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 * Useful management tools
  * Easy communication : Slack
   * We want to start using the slack by communication. I will send the message to candidate
  * Task management : GitHub
  * Software management : GitHub
  * Papers : Overleaf
  * Street view : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11806|Holobuilder]]		  * KAKENHI proposal limit
  * Oct. 8 (NAOJ)
  * ? (ICRR)
  * Nov. 5 16:30 JST (JSPS final limit)
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  * PTEP (2) : noise budget(K.Yamamoto) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<<Analysis ON GOING>>'''   * PTEP (2) : noise budget(K.Yamamoto) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<<Analysis is ongoing>>'''
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        * We can discuss whether we use [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15103|the result of pre-O3 study]] for the noise budget paper.
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      * OMC leg vibration : 12th - 16th Sep. ?       * --(OMC leg vibration : 12th - 16th Sep. ?)--
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  * PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) '''<<Referee comments>>'''   * PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) '''<<Submitted>>'''
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   * Cleaning the center area
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   * Cooler ON, compressor ON, FFU ON, ...

  * PEM Rack arrange
   * There are discussion about DAQ of the KAGRA PEM channels. PEM channels may be assigned in the IX0 and IY0 racks.
    * Less effect from other models(less data loss)
    * Change the place of the IX0 and IY0 rack (next to MCF and BS chamber?)
    * plan : [[https://docs.google.com/spreadsheets/d/1OHBOrNFt_Fpre-T-oSCkupGevc976d8T2PI9TVS_6pI/edit?usp=sharing|GoogleSpreadsheet]]
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  * [[KAGRA/Subgroups/PEM/GNDmeeting|GND issue]]
     * We found new ground in the center area
     * We started the rack design with AEL people
    * cabling ([[https://github.com/gw-pem/kagra-pem/issues/204|github204]])
    * ondotori ([[https://github.com/gw-pem/kagra-pem/issues/205|github205]])
  * water fluid ([[https://github.com/gw-pem/kagra-pem/issues/207|github207]])
      * Discussion with Furuta-san & a company is started
    * read out of the lightning sensor ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]])
    * Infrasound monitor @ Atotsu, Mozumi, (+ Toyama?)
  * RF monitor
    * tiltmeter
  * RI detector
   * Rn : contact person -> Guillaume Pronostさん (ICRR, SK)
      * cosmic-ray : plastic scintillator?
   * gamma/neutron : 新学術地下宇宙
      * start from a geiger counter?
    * gravity gradient (Newtonian noise)
   * Superconducting Gravimeter
   * TOBA
  * PEM injection for O4
    * Large speaker @ End station
    * Magnetic injection by large coil 		   * [[KAGRA/Subgroups/PEM/GNDmeeting|GND issue]]
    * We measured the potential difference for SRM and PR2 rack
     * Need the investigation more
 * water fluid ([[https://github.com/gw-pem/kagra-pem/issues/207|github207]])
    * Discussion with Furuta-san & a company is started
     * When will company people come? -> Waiting a demonstration machine.
 * read out of the lightning sensor ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]])
   * Infrasound monitor @ Atotsu, Mozumi, (+ Toyama?)     * PEM injection for O4
     * Large speaker @ End station
     * Magnetic injection by large coil

 * After O4
* RF monitor
   * Tiltmeter
 * RI detector
    * Rn : contact person -> Guillaume Pronostさん (ICRR, SK)
    * cosmic-ray : plastic scintillator?
    * gamma/neutron : 新学術地下宇宙
    * start from a geiger counter?
   * Newtonian noise
    * Accelerometer for wall
    * Relative temperature monitor
    * Many seismometers
 * Superconducting Gravimeter
    * TOBA
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  * Washimi
  * Aacoustic injection paper [[https://www.overleaf.com/project/5f51878b1e41b00001893ac7|overleaf]]
     * Contact with Robert about LIGO PEM paper.
     * PRCL BPC lime subtraction : [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=14987|klog14987]]
   * Water fluid monitor [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11949|JGW-T2011949]]
     * Waiting a reply from the company.
   * Lightning sensor
   * Frequent lightning in Japan ([[https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/PEM/KamioKaminari/archives2020.html|KamioKaminari]])
     * read out of the lightning sensor ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]])		  * Yokozawa
  * Potential difference measurement at SRM and PR2 racks
* Washimi
  * Aacoustic injection paper [[https://www.overleaf.com/project/5f51878b1e41b00001893ac7|overleaf]]
   * suspended due to writing KAKENHI <- finished
  * Lightning sensor
 * Frequent lightning in Japan ([[https://www.icrr.u-tokyo.ac.jp/~washimi/KAGRA/PEM/KamioKaminari/archives2020.html|KamioKaminari]])
   * read out of the lightning sensor ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]])
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  * Fujikawa  * Fujikawa
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  * Kume  * Kume
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  * Omicron and hveto study(Someone)  * Omicron and hveto study(Someone)

Weekly PEM meeting

Agenda

Conference issue

  • KIW7
    • The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020 (F2F meeting on Dec. 17-18)
    • Yokozawa is supported by C2C program
    • If you have interested in, please contact to Yokozawa
  • (Next JPS meeting is also online-meeting)　

General issue

  • Interferometer status
    • RSE lock trial
      • Continued to 30th Sep.
      • New suspension damping (modal damping)
      • ALS DARM and Find IR resonance
      • PRCL, SRCL control
  • Preparation for O4 work
    • Toward opening the chamber
      • FFU on with temperature control
    • Help the VIS cleaning
      • Cleaning the PEMs
  • Working style (COVID-19 related)
    • Some collaborator came to Kamioka. Please contact to Yokozawa if you plan to go to Kamioka.
      • Fujikawa-san is staying in Kamioka now
  • KAKENHI proposal limit
    • Oct. 8 (NAOJ)
    • ? (ICRR)
    • Nov. 5 16:30 JST (JSPS final limit)

Jurnal paper issue

Details are here!

  • PTEP (2) : noise budget(K.Yamamoto) Check list, slack <<Analysis is ongoing>>

    • Environmental part
      • Acoustic noise : Refer our PEM injection paper.
      • Seismic noise : summarise the actual seismic nois during O3GK? (who?)

      • OMC leg vibration : 12th - 16th Sep. ?

      • AC power lines : Coherence analysis is done (http://klog.icrr.u-tokyo.ac.jp/osl/?r=14848, Washimi)

      • Magnetic noise : skipped in this paper?

      • Newtonian : seismic newtonian -> from PTEP1 (or Francisca?) / water fluid newtonian -> skipped / air density -> skipped

    • Line noise investigation
      • violin mode : Details of the RMS value will be not discuss in PTEP2.

  • PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<Submitted>>

  • Acoustic injection paper (Washimi) <<WRITING>>

  • ICA for E-run/O3GK (Kume, Yokoyama) <<Analysis ON GOING>>

  • Portable PEMs (Yokozawa+) <<Start investigation>>

Preparation for O4

  • PEM tasks for O4 will be discussed after this meeting with SEO
    • GND issue
    • Cabling issue
    • Cleaning the center area
  • Temperature control
    • Cooler ON, compressor ON, FFU ON, ...
  • PEM Rack arrange
    • There are discussion about DAQ of the KAGRA PEM channels. PEM channels may be assigned in the IX0 and IY0 racks.
      • Less effect from other models(less data loss)
      • Change the place of the IX0 and IY0 rack (next to MCF and BS chamber?)

      • plan : GoogleSpreadsheet

  • for O4 preparation

    • GND issue

      • We measured the potential difference for SRM and PR2 rack
        • Need the investigation more

    • water fluid (github207)

      • Discussion with Furuta-san & a company is started

        • When will company people come? -> Waiting a demonstration machine.

    • read out of the lightning sensor (github182)

    • Infrasound monitor @ Atotsu, Mozumi, (+ Toyama?)
    • PEM injection for O4
      • Large speaker @ End station
      • Magnetic injection by large coil
  • After O4
    • RF monitor
    • Tiltmeter
    • RI detector

      • Rn : contact person -> Guillaume Pronostさん (ICRR, SK)

      • cosmic-ray : plastic scintillator?
      • gamma/neutron : 新学術地下宇宙
      • start from a geiger counter?
    • Newtonian noise
      • Accelerometer for wall
      • Relative temperature monitor
      • Many seismometers
      • Superconducting Gravimeter
      • TOBA

Progress report

  • Yokozawa
    • Potential difference measurement at SRM and PR2 racks
  • Washimi

    • Aacoustic injection paper overleaf

      • suspended due to writing KAKENHI <- finished

    • Lightning sensor
  • Fujikawa
    • Lock loss study
  • Kume

    • ICA analysis -> suspended until JPS

  • Omicron and hveto study(Someone)

Place for memo

KAGRA/Subgroups/PEM/Meeting/200925/Agenda (last edited 2020-09-25 16:25:19 by tatsuki.washimi)