• KAGRA
• Subgroups
• PEM
• Reports
• JurnalPaperIssue

Jurnal Paper Issue

KAGRA summary paper(Yokozawa)

• <<Submitted to CPC>>

  • Part of the KAGRA overview paper

  • PTEP (Overview of KAGRA : (3) Calibration, detector characterization, physical environment, and geophysics interferometer)klog11664

    • Installation
    • Technical issue

PTEP (2) noise budget

• Start investigation (?)

Acoustic injection paper (Washimi)

• <<ON GOING>>

  • Target journal : Classical and Quantum Gravity
  • Request 3+8 hours data taking to commissioning

Portable PEMs (Yokozawa+)

• <<Start investigation>>

  • Target journal->to be discussed later (PTEP?)

  • Study of the new environmental noise investigation technique using the portable monitors and Chromebook(仮)
  • section
    1. Introduction
    2. Environmental noise
    3. Portable PEM2 : Chromebook type
       • 4.1 USB type PEMs 4.2 Combination with Chromebook and USB tpye PEMs 4.3 Recording system and offline analysis 4.4 Vibration injection
    4. Examples of noise investigation
       • 5.1 44Hz vibration noise 5.2 Sound and vibration from air conditioner and FFU 5.3 Oshino-san, Shimode-san magnetic field with circuit 5.4 Noise investigation at OMC chamber
    5. Conclusion

Acoustic reverberation paper (Washimi+Virgo)

• <<Planning>>

  • KAGRA data & Virgo data

  • need more analysis (March data in Virgo)

Magnetic field paper (Washimi+)

• <<Planning>>

  • Target journal->to be discussed later

  • section
    1. Introduction
    2. 1-year Geomagnetism in underground
    3. 1-year Schumann resonance in underground
    4. Mag. field in EXC chamber
    5. Coherence between PRFPMI and MAGs
    6. Lightning effect on PRFPMI (3/22 event)
    7. Conclusion

Ground motion paper (Yokozawa+)

• <<Planning>>

  • Technical note
  • Just for memo(忘備録)
  • If we can summary for special issue, we will start the discussion for journal paper
    • Lock loss study by earthquake
    • Micro-seismic motion
    • Seasonal ground motion
    • Newtonian noise
    • Baseline compensation
    • Human activity and its effect
    • etc.

PEM summary note (Yokozawa+)

• <<Planning>>

  • Just for memo, technical note
  • What we did toward the observation
  • If we can summary for special issue, we will start the discussion for journal paper
    • PEM map
    • Lock loss study
    • Scattered light
    • etc.

Other topic

• If you have interested in, please contact to Yokozawa and Washimi first
• We took many environmental data
  • Six Seismometer(Miyo+)
  • Many microphones and accelerometers(Yokozawa+)
  • Weather vs environment
  • Temperature vs suspension
  • Earthquake vs magnetic-field

    • e.g. https://ci.nii.ac.jp/naid/110003828999

  • Non linearity noise study
  • Line noise investigation(Yokozawa+)
  • ICA analysis for E-run/O3GK (Kume, Yokoyama)