From Quarks to Neutron Stars: Insights from kHz gravitational waves

Apr 23, 2025, 9:00 AM → Apr 24, 2025, 6:00 PM Asia/Tokyo

Koshiba Hall, Hongo Campus, The University of Tokyo

Poster

• Chengpeng_Yu_FOE.pdf
• Hajime_SOTANI_Poster_Hajime_SOTANI.pdf
• Harry Ho Yin_Ng_finished_poster.pdf
• Hiroyuki_Tajima_poster_QuarkNeutronStar_20250424_Tajima.pdf
• Jiabao_Liu_PosterApril2025.pdf
• Koutarou_Kyutoku_poster_kyutoku.pdf
• Tomotada_Akutsu_kHz2025_akutsu_s.pdf
• Toru_Kojo_2025_0423_poster_NS.pdf
• Yuta_Hiranuma_khzgw2025_Poster02_Hiranuma.pdf
• Yuta_Michimura.pdf

Wed, April 23

9:30 AM Registration

9:50 AM Opening Remarks (Takaaki Kajita)

QUARKS AND NUCLEAR PHYSICS

Convener: Shuntaro Aoki

1 Lessons from hot QCD matter and neutron star unknows from the nuclear physics point of view

Speaker: Kenji Fukushima

Kenji_Fukushima_fukushima.pdf

2 Equation of state of QCD(-like) theory using Lattice Monte Carlo simulations

Speaker: Etsuko Itou

Etsuko_Itou_2025-04-Quark-NS-EItou.pdf

3 Study of asymmetric nuclear matter EoS from terrestrial nuclear experiments

Speaker: Tadaaki Isobe

Tadaaki_Isobe_GWEOS_Isobe_pub.pdf

11:40 AM Lunch Break

12:40 PM Coffee Break and Poster Session

NEUTRON STARS AND SUPERNOVAE

Convener: Hajime Sotani

4 Investigating ultra-high-density equations of state through gravitational waves from binary neutron stars mergers

Speaker: Luca Baiotti

5 Diversity in neutron star merger remnants and their electromagnetic signatures

Speaker: Kenta Hotokezaka

6 Testability of the quark-hadron transition using gravitational waves from merging binary neutron stars

Speaker: Reiko Harada

Reiko_Harada_slides.pdf

3:00 PM Workshop Photo

3:10 PM Coffee Break and Poster Session

NEUTRON STARS AND SUPERNOVAE

Convener: Hirotaka Ito

7 Gravitational-wave signatures from multi-dimensional core-collapse supernova modeling

Speaker: Kei Kotake

Kei_Kotake_hongo_2025_kotake.pdf

8 Oscillation and deformation on neutron stars leading to GW detection

Speaker: Yasufumi Kojima

Yasufumi_Kojima_YK25Apr23.pdf

9 Probing the Dense Matter Equation of State via Gravitational-Wave Asteroseismology

Speaker: Tianqi Zhao

Tianqi_Zhao_2025Tokyo_TianqiZhao.pdf

6:00 PM Banquet

https://www.matsumotoro.co.jp/shop_list/04todai.html

Thu, April 24

GRAVITATIONAL WAVES

Convener: Kentaro Somiya

10 Gravitational Wave Discoveries — Now and the Near Future

Speaker: Ling Sun

Ling_Sun_GW_science_Tokyo_workshop_SUN.pdf

11 Astrophysics and fundamental physics with NEMO -- a kHz gravitational-wave observatory

Speaker: Paul Lasky

Paul_Lasky_NEMO.pptx

10:40 AM Coffee Break and Poster Session

GRAVITATIONAL WAVES

Convener: Soichiro Morisaki

12 Possible High Frequency Upgrade of KAGRA

Speaker: Yoichi Aso

Yoichi_Aso_KAGRA-HF-kHz-GW-Workshop.pdf

13 Advanced techniques to further improve the kHz sensitivity

Speaker: Kentaro Somiya

Kentaro_Somiya_Somiya250424.pdf

12:10 PM Announcements (Takahiro S Yamamoto)

12:15 PM Lunch Break

1:15 PM Coffee Break and Poster Session

MULTIMESSENGER OBSERVATIONS

Convener: Takahiro S Yamamoto

14 Optical and infrared observations of kilonovae

Speaker: Masaomi Tanaka

Tanaka_Masaomi_tanaka_20250424.pdf

15 Optical followup observations of multi-messenger transient events

Speaker: Yuu Niino

3:00 PM Coffee Break and Poster Session

MULTIMESSENGER OBSERVATIONS

Convener: Akira Mizuta

16 The search for X-ray counterparts of gravitational wave events

Speaker: Motoko Serino

Motoko_Serino_202504_GW_xray.pdf

17 Multi-messenger astronomy with high energy neutrinos

Speaker: Nobuhiro Shimizu

Nobuhiro_Shimizu_gravitational_waves_IceCube_shimizu.pdf

18 Closing Remarks (Tesuo Hatsuda)

Tetsuo_Hatsuda_Hatsuda_kHz-GW.pdf