Differences between revisions 24 and 65 (spanning 41 versions)
⇤ ← Revision 24 as of 2018-12-07 15:57:18 →
Size: 3678
Editor: Atsushi Nishizawa
Comment:
← Revision 65 as of 2019-01-14 08:20:27 → ⇥
Size: 7844
Editor: YutaMichimura
Comment:
Deletions are marked like this. Additions are marked like this.
Line 2: Line 2:

=== Overview ===
 * FPC is approved under [[KAGRA/KSC|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
 * Table of contents
  * [[#LVWP|LIGO-Virgo white papers]]
  * [[#DraftWP|Draft of white paper]]
  * [[#Meetings|Meetings]]
  * [[#Science|Scientific motivation]]
  * [[#Technologies|Survey of the current technologies]]
  * [[#CurrentFacility|Status of the current facility]]
  * [[#Schedule|Schedule for the white paper]]
  * [[#References|References]]
Line 8: Line 24:
<<Anchor(LVWP)>>
=== LIGO-Virgo white papers ===
 * LIGO Instrument science white paper (2017): [[https://dcc.ligo.org/public/0142/T1700231/003/T1700231-v3.pdf|LIGO-T1700231–v2]]
 * LIGO Instrument science white paper (2018): [[https://dcc.ligo.org/public/0151/T1800133/004/T1800133-instrument-science-white-v4.pdf|LIGO-T1800133–v3]]

 * 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


<<Anchor(DraftWP)>>
Line 9: Line 35:
 * Link to Dropbox (original file): https://www.dropbox.com/sh/ry8x2x5wco4xbxx/AAAy782OD9Mhbca7Cov0Ws5Oa?dl=0
 * Link to Dropbox (sync-ed to Overleaf): https://www.dropbox.com/sh/69648a7g14ijwo0/AABWL9aZYA7ROIsrsNFim35Oa?dl=0
Line 12: Line 36:
 * Link to Dropbox (backup): https://www.dropbox.com/sh/ry8x2x5wco4xbxx/AAAy782OD9Mhbca7Cov0Ws5Oa?dl=0

<<Anchor(Meetings)>>
=== Meetings ===
 * [[KAGRA/KSC/FPC/Meetings/190108|2019/01/08]]
Line 14: Line 43:
<<Anchor(Science)>>
Line 16: Line 46:
     * formation scenarios
     * population (parameter estimation)
     * stocastic background
     * host galaxy identification		      * formation scenarios [Kohei Inayoshi]
     * population (parameter estimation) [Chunglee Kim]
     * host galaxy identification (sky localization) [Chunglee Kim]
Line 21: Line 50:
     * formation scenarios
     * polulation (parameter estimation)
     * stocastic background		      * formation scenarios [Kohei Inayoshi]
     * polulation (parameter estimation) [Chunglee Kim]
     * intermediate mass-ratio binaries [Norichika Sago]
Line 25: Line 54:
     * binary evolution
     * population (parameter estimation)
     * NS EOS and tidal deformation
     * short gamma-ray burst
     * kilonova
     * stocastic background		      * 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]
Line 32: Line 61:
     * low-mass x-ray binaries      * low-mass x-ray binaries [Albert Kong]
Line 34: Line 63:
     * NS remnant
     * magnetar flare
     * stellar oscillation		      * pulsar ellipticity (continuous) [Yousuke Itoh]
     * pulsar glitches and magnetar flare [Yasufumi Kojima]
     * stellar oscillation [Hajime Sotani]
Line 38: Line 67:
     * explosion models
     * polarization		      * explosion models [Kei Kotake]
     * distinguishing explosion models (parameter estimation) [Kazuhiro Hayama]
     * polarization [Kazuhiro Hayama]
Line 41: Line 71:
     * bursts from kinks and cusps
     * stochastic background
   * Pulsar
     * pulsar ellipticity (continuous)
     * pulsar glitches (burst)
   * Cosmological stochastic background
     * inflation
     * phase transition		      * burst signal [Kipp Cannon]
     * stochastic background [Kipp Cannon]
     * parameter estimation [Kipp Cannon]
   * Stochastic background
     * inflation models [Sachiko Kuroyanagi]
     * phase transition [Mitsuru Kakizaki]
     * astrophysical background [??]
     * spectral shape (parameter estimation) [Sachiko Kuroyanagi]
Line 50: Line 80:
     * generation in strong field
     * propagation
     * polarization
     * BH no-hair theorem (ringdown)		      * 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]
Line 55: Line 86:
     * Hubble constant measurement      * Hubble constant measurement [Atsushi Nishizawa]
   * Multimessenger
     * fast radio burst [Kazumi Kashiyama]
     * long gamma-ray burst [Ryo Yamazaki]
Line 57: Line 91:
     * BH echo
     * fast radio burst		      * BH echo [Takahiro Tanaka]
<<Anchor(Technologies)>>
Line 62: Line 96:
  * Squeezing (squeezing level, losses) [Matteo?]
  * Filter cavity (losses) [Matteo?]		   * Squeezing (squeezing level, losses) [Matteo, Eleonora]
  * Filter cavity (losses) [Matteo, Eleonora]
Line 65: Line 99:
  * Suspending larger mirror [Okutomi?]   * Suspending larger mirror [Okutomi? Aso?]
Line 68: Line 102:
  * Extreme RSE (high SRM reflectivity possible?) [Michimura?]   * Extreme RSE (high SRM reflectivity possible?) [Enomoto?]
Line 71: Line 105:
  * QND, quantum locking [KNagano]
  * Silicon mass [Komori?]
  * 1550nm/2000nm laser [Li-Wei Wei?]
  * Suspension point interferometer [Aso?]
  * Vertical suspension point interferometer [Ando?]
  * Thermal compensation system (BS/PRMs)
  * Balanced homodyne detector
  * Low-loss output faraday isolator [Somiya?]
  * Suspension thermal noise cancellation using single loop wires
  * Khalili cavity [Somiya?]
  * EPR entanglement [Somiya?]
  * Phase camera
  * Double optical spring [Komori?]
  * Multi-carrier interferometer
  * Delay line
  * Local readout scheme
  * Intracavity squeezing
  * Intracavity signal amplifier
  * White light cavity
  * Speedmeter
  * Long SRC
  * Xylophone
Line 75: Line 131:
 * Study of new noise sources
  * Schumann resonance
  * Water gravity gradient noise
  * Acoustic gravity gradient noise
  * Thermal noise in non-equilibrium steady state
  * Gravity decoherence noise
<<Anchor(CurrentFacility)>>
 * Status of the current facility
  * TUN
  * FCL
  * VAC
  * CRY [Tomaru]
  * VIS [Takahashi, Aso]
  * MIR [Hirose]
  * LAS [Mio]
  * IOO [Kokeyama, Somiya]
  * AOS [Akutsu]
  * ...
Line 77: Line 151:
  * Filter cavity length [Matteo?]   * Filter cavity length [Matteo, Eleonora]
Line 86: Line 160:
<<Anchor(Schedule)>>
Line 90: Line 165:

<<Anchor(References)>>
==== References ====
 * [[LCGT/subgroup/ifo/BW|LCGT Observation Band study]]
 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7038|Latest estimated sensitivity of KAGRA (v201708) *APPROVED*]]
 * [[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://arxiv.org/abs/1804.09894|Particle swarm optimization of the sensitivity of a cryogenic gravitational wave detector]]
 * [[https://git.ligo.org/gwinc|gwinc]]

Future Planning Committee (FPC) working wiki

Overview

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

Meetings

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 [Kipp Cannon]
      • stochastic background [Kipp Cannon]
      • parameter estimation [Kipp Cannon]
    • Stochastic background
      • inflation models [Sachiko Kuroyanagi]
      • phase transition [Mitsuru Kakizaki]
      • 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? Aso?]
    • 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?) [Enomoto?]
    • Technological noises at low frequencies [Michimura?]
    • Newtonian noise cancellation [Nishizawa?]
    • QND, quantum locking [KNagano]
    • Silicon mass [Komori?]
    • 1550nm/2000nm laser [Li-Wei Wei?]
    • Suspension point interferometer [Aso?]
    • Vertical suspension point interferometer [Ando?]
    • Thermal compensation system (BS/PRMs)
    • Balanced homodyne detector
    • Low-loss output faraday isolator [Somiya?]
    • Suspension thermal noise cancellation using single loop wires
    • Khalili cavity [Somiya?]
    • EPR entanglement [Somiya?]
    • Phase camera
    • Double optical spring [Komori?]
    • Multi-carrier interferometer
    • Delay line
    • Local readout scheme
    • Intracavity squeezing
    • Intracavity signal amplifier
    • White light cavity
    • Speedmeter
    • Long SRC
    • Xylophone
    • 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
  • Study of new noise sources
    • Schumann resonance
    • Water gravity gradient noise
    • Acoustic gravity gradient noise
    • Thermal noise in non-equilibrium steady state
    • Gravity decoherence noise

  • 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

References

KAGRA/KSC/FPC (last edited 2022-11-01 22:48:21 by SadakazuHaino)