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<<TableOfContents(3)>> === Overview === * FPC is approved under [[KAGRA/KSC|KSC]] in Dec/2018 with the following initial members: * Sadakazu Haino(Chair), Chunglee Kim, Kentaro Komori, Matteo Leonardi, Yuta Michimura, 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]] |
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| === White paper === * Scientific motivation * Survey of the current technologies (price and readiness) * High power laser (how much power? stability?) * Parametric instabilty vs power, mitigation schemes * Squeezing (squeezing level, losses) * Filter cavity (losses) * Mirror (mass, coating, absorption) * Suspending larger mirror * Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) * Improving heat conductivity of sapphire fibers * Extreme RSE (high SRM reflectivity possible?) * Newtonian noise cancellation * Limits of the current facility * Mirror size * Filter cavity length * 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 |
<<Anchor(DraftWP)>> === Draft of white paper === * Link to [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9590|JGWdoc]] * Link to [[https://www.overleaf.com/project/5c091fbd8795b4614778100c|Overleaf]] * Link to [[https://www.dropbox.com/sh/ry8x2x5wco4xbxx/AAAy782OD9Mhbca7Cov0Ws5Oa?dl=0|Dropbox (backup)]] |
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| <<Anchor(Meetings)>> === Meetings === * [[KAGRA/KSC/FPC/Meetings/190108|2019/01/08]] * Next around end/Jan-beg/Feb === White paper plan === <<Anchor(Science)>> * 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 effect [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] * GW lensing [Lijing Shao] * Multimessenger * fast radio burst [Kazumi Kashiyama] * long gamma-ray burst [Ryo Yamazaki] * Others * BH echo [Takahiro Tanaka] <<Anchor(Technologies)>> * 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?, KYamamoto] * Suspending larger mirror [Okutomi? Aso?] * Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) [KYamamoto, 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? Shimoda?] * 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 <<Anchor(CurrentFacility)>> * 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 <<Anchor(Schedule)>> |
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| * 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 |
* 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 <<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(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
Contents
Overview
FPC is approved under KSC in Dec/2018 with the following initial members:
- Sadakazu Haino(Chair), Chunglee Kim, Kentaro Komori, Matteo Leonardi, Yuta Michimura, 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
Starting points
Draft of white paper
Link to JGWdoc
Link to Overleaf
Link to Dropbox (backup)
Meetings
- Next around end/Jan-beg/Feb
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 effect [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]
- GW lensing [Lijing Shao]
- Multimessenger
- fast radio burst [Kazumi Kashiyama]
- long gamma-ray burst [Ryo Yamazaki]
- Others
- BH echo [Takahiro Tanaka]
- Stellar-mass BBH
- 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?, KYamamoto]
- Suspending larger mirror [Okutomi? Aso?]
- Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) [KYamamoto, 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? Shimoda?]
- 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
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