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=== LIGO instrumental white paper === === LIGO-Virgo white papers ===
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 * The LSC-Virgo White Paper on Gravitational Wave Data Analysis and Astrophysics (July 2017 edition): [[https://dcc.ligo.org/public/0142/T1700214/004/WP17.pdf|LIGO–T1700214-v4]] VIR-0435D-17
 * The LSC-Virgo White Paper on Gravitational Wave Data Analysis and Astrophysics (Summer 2018 edition): [[https://dcc.ligo.org/public/0150/T1800058/002/WP18.pdf|LIGO–T1800058-v2]] VIR-0119B-18

Future Planning Committee (FPC) working wiki

Overview

  • FPC is approved under KSC in Dec/2018 with the following initial members:

    • Sadakazu Haino(Chair), Chunglee Kim, Kentaro Komori, Yuta Michimura, Matteo Leonardi, Atsushi Nishizawa, RDC chair
  • Any comments/questions/requests from anyone are much appreciated and can be sent to the dedicated Mailing List
    • ksc-fpc _at_ icrr.u-tokyo.ac.jp

Starting points

LIGO-Virgo white papers

  • Instrument science white paper (2017): LIGO-T1700231–v2

  • Instrument science white paper (2018): LIGO-T1800133–v3

  • The LSC-Virgo White Paper on Gravitational Wave Data Analysis and Astrophysics (July 2017 edition): LIGO–T1700214-v4 VIR-0435D-17

  • The LSC-Virgo White Paper on Gravitational Wave Data Analysis and Astrophysics (Summer 2018 edition): LIGO–T1800058-v2 VIR-0119B-18

Draft of white paper

White paper plan

  • Scientific motivation
    • Stellar-mass BBH
      • formation scenarios
      • population (parameter estimation)
      • stocastic background
      • host galaxy identification
    • Intermediate-mass BBH
      • formation scenarios
      • polulation (parameter estimation)
    • BNS and BHNS
      • binary evolution
      • population (parameter estimation)
      • NS EOS and tidal deformation
      • short gamma-ray burst
      • kilonova
      • stocastic background
    • Accereting binaries
      • low-mass x-ray binaries
    • Isolated NS
      • NS remnant
      • magnetar flare
      • stellar oscillation
    • Supernova
      • explosion models
      • polarization
    • Cosmic string
      • bursts from kinks and cusps
      • stochastic background
    • Pulsar
      • pulsar ellipticity (continuous)
      • pulsar glitches (burst)
    • Cosmological stochastic background
      • inflation
      • phase transition
    • Test of gravity
      • generation in strong field
      • propagation
      • polarization
      • BH no-hair theorem (ringdown)
    • Cosmology
      • Hubble constant measurement
    • Others
      • BH echo
      • fast radio burst
  • Survey of the current technologies (price and readiness)
    • High power laser (how much power? stability?) [Haino?]
    • Parametric instabilty vs power, mitigation schemes [Michimura? KYamamoto?]
    • Squeezing (squeezing level, losses) [Matteo?]
    • Filter cavity (losses) [Matteo?]
    • Mirror (mass, coating, absorption) [Hirose?]
    • Suspending larger mirror [Okutomi?]
    • Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) [Tomaru?]
    • Improving heat conductivity of sapphire fibers [Tomaru?]
    • Extreme RSE (high SRM reflectivity possible?) [Michimura?]
    • Technological noises at low frequencies [Michimura?]
    • Newtonian noise cancellation [Nishizawa?]
    • Technologies to accerelate commissioning work (e.g. machine learning for auto alignment)
    • Technologies to improve stability
    • Technologies to improve duty cycle
    • Technologies to reduce calibration error
  • Limits of the current facility
    • Mirror size in cryostat [KYamamoto?]
    • Filter cavity length [Matteo?]
    • Computing resources [Chunglee?]
  • Trade-off studies
  • Time scale of plans: near-term(more realistic) and longer-term(some dreams)
  • Back up plans
  • R&Ds to be done : input to the PRDC

  • Budget estimate
  • Project execution plan

Schedule for the white paper

  • Work in progress draft to be presented @ KIW in Feb 2019 : Feedbacks from Virgo
  • First draft to be circulated @ April 2019 F2F
  • Final version to be put for approval @ Aug 2019 F2F

KAGRA/KSC/FPC (last edited 2019-08-26 22:52:25 by SadakazuHaino)