Diff for "KAGRA/KSC/FPC"

Differences between revisions 73 and 93 (spanning 20 versions)

Future Planning Committee (FPC) working wiki

Contents

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, 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

Starting points

Draft of white paper

Link to JGWdoc
Link to Overleaf
Link to Dropbox (backup)

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 effect [Tatsuya Narikawa]
  - NS remnant [??]
  - kilonova [Kyohei Kawaguchi]
  - 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]

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
- KAGRA Document and Drawing Tree
- 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

-  ⇤ ← Revision 73 as of 2019-01-29 16:28:08 → 
  Size: 8058
  Editor: KojiNagano
  Comment:
+   ← Revision 93 as of 2019-08-21 05:12:59 → ⇥
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  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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- * 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 33:
+Line 24:
- * [[KAGRA/KSC/FPC/Meetings/190108|2019/01/08]]
 * Next around end/Jan-beg/Feb
+ * [[KAGRA/KSC/FPC/Meetings/190108|2019/01/08 telecon]]
 * [[KAGRA/KSC/FPC/Meetings/190205|2019/02/05 telecon]]
 * [[https://indico.ego-gw.it/event/12/|2019/02/16 KIW5]]
 * [[KAGRA/KSC/FPC/Meetings/190308|2019/03/08 telecon]]
 * [[KAGRA/KSC/FPC/Meetings/190319-LVC|LVC meeting reports]]
 * [[KAGRA/KSC/FPC/Meetings/190410|2019/04/10 telecon]]
 * [[LCGT/Meeting/f2f/2019Apr/FuSat|2019/04/18 F2F Satellite meeting]]
 * [[KAGRA/KSC/FPC/Meetings/190520|2019/05/20 telecon]]
 * [[KAGRA/KSC/FPC/Meetings/190614|2019/06/14 telecon]]
 * [[http://kiw6.csp.escience.cn/|2019/06/21 KIW6]]
 * [[LCGT/Meeting/f2f/2019Aug/FuSat|2019/8/21 F2F Satellite meeting]]
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-     * NS EOS and tidal effect [Masaru Shibata]
     * NS remnant [Masaru Shibata]
     * kilonova [Masaru Shibata]
+     * NS EOS and tidal effect [Tatsuya Narikawa]
     * NS remnant [??]
     * kilonova [Kyohei Kawaguchi]
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+  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3997|KAGRA Document and Drawing Tree]]
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+Line 157:
-==== Schedule for the white paper ====
+=== Schedule for the white paper ===
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+Line 171:
-==== References ====
+=== References ===
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+Line 173:
+ * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/DocDB/ShowDocument?docid=876|KAGRA System Engineering Management Plan (SEMP)]]