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     * intermediate mass-ratio binaries [Norichika Sago?]      * intermediate mass-ratio binaries [Norichika Sago]
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==== References ====
 * [[LCGT/subgroup/ifo/BW|LCGT Observation Band study]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9314|Document Tree for KAGRA Upgrade]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9537|Example sensitivity curves for the KAGRA upgrade]]
 * [[https://git.ligo.org/gwinc|gwinc]]

Future Planning Committee (FPC) working wiki


  • 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, Kentaro Somiya(PRDC 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

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

  • LIGO 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 [Kohei Inayoshi]
      • population (parameter estimation) [Chunglee Kim]
      • host galaxy identification (sky localization) [Chunglee Kim]
    • Intermediate-mass BBH
      • formation scenarios [Kohei Inayoshi]
      • polulation (parameter estimation) [Chunglee Kim]
      • intermediate mass-ratio binaries [Norichika Sago]
    • BNS and BHNS
      • binary evolution [Chunglee Kim]
      • population (parameter estimation) [Chunglee Kim]
      • NS EOS and tidal deformation [Masaru Shibata]
      • NS remnant [Masaru Shibata]
      • kilonova [Masaru Shibata]
      • short gamma-ray burst [Kunihito Ioka]
    • Accereting binaries
      • low-mass x-ray binaries [Albert Kong]
    • Isolated NS
      • pulsar ellipticity (continuous) [Yousuke Itoh]
      • pulsar glitches and magnetar flare [Yasufumi Kojima]
      • stellar oscillation [Hajime Sotani]
    • Supernova
      • explosion models [Kei Kotake]
      • distinguishing explosion models (parameter estimation) [Kazuhiro Hayama]
      • polarization [Kazuhiro Hayama]
    • Cosmic string
      • burst signal [Sachiko Kuroyanagi]
      • stochastic background [Sachiko Kuroyanagi]
      • parameter estimation [Kipp Cannon?]
    • Stochastic background
      • inflation models [Jun'ichi Yokoyama?]
      • phase transition [Shinya Kanemura?]
      • astrophysical background [??]
      • spectral shape (parameter estimation) [Sachiko Kuroyanagi]
    • Test of gravity
      • test of consistency with GR [Tjonnie G. F. Li]
      • generation mechanism [Takahiro Tanaka]
      • propagation effect [Atsushi Nishizawa]
      • polarization [Hiroki Takeda]
      • BH no-hair theorem [Hiroyuki Nakano]
    • Cosmology
      • Hubble constant measurement [Atsushi Nishizawa]
    • Multimessenger
      • fast radio burst [Kazumi Kashiyama]
      • long gamma-ray burst [Ryo Yamazaki]
    • Others
      • BH echo [Takahiro Tanaka]
  • 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, Eleonora]
    • Filter cavity (losses) [Matteo, Eleonora]
    • 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?]
    • QND, quantum locking [KNagano]
    • 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
  • Status of the current facility
    • TUN
    • FCL
    • VAC
    • CRY [Tomaru]
    • VIS [Takahashi, Aso]
    • MIR [Hirose]
    • LAS [Mio]
    • IOO [Kokeyama, Somiya]
    • AOS [Akutsu]
    • ...
  • Limits of the current facility
    • Mirror size in cryostat [KYamamoto?]
    • Filter cavity length [Matteo, Eleonora]
    • 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 2022-11-01 22:48:21 by SadakazuHaino)