2023 Winter-II NRF-JSPS Workshop in particle physics, cosmology, and gravitation

6 - 9 February 2023Ewha Womans University, Seoul, Korea

Organizer

Jinn-Ouk Gong (Ewha, chair), Tomo Takahashi (Saga, chair)

Goal

Based on the NRF-JSPS bilateral program, Korean and Japanese researchers meet together to bring their idea and to discuss recent topics in particle physics, cosmology, and gravitation to promote future collaborations.

Participants

Ki-Young Choi (SKKU), Perseas Christodoulidis (Ewha, online), Jinn-Ouk Gong (Ewha), Sang Hui Im (IBS), Kwang Sik Jeong (Pusan Nat), Sunghoon Jung (Seoul Nat), Tae Hyun Jung (IBS), Suro Kim (KIAS), Maria Mylova (Ewha), Jong-Chul Park (Chungnam Nat)

Shin'ichi Hirano (Tokyo Tech), Siyao Li (Tokyo Tech), Michiru Niibo (Ochanomizu  U. / Tokyo Tech), Fumiya Sano (Tokyo Tech), Osamu Seto (Hokkaido), Tomo Takahashi (Saga), Masahide Yamaguchi (Tokyo Tech), Shuichiro Yokoyama (Nagoya), Chul-Moon Yoo (Nagoya), Jiale Zhang (Ochanomizu U./Tokyo Tech)

Program

Morning session (Chair: Jinn-Ouk Gong)

  10:30 - 11:30: Siyao Li (Tokyo Tech) "Interaction between several types of cosmic strings"

   Lunch and Discussion:  11:30 - 14:00

       Afternoon session 1 (Chair: Chul-Moon Yoo)

          14:00 - 15:00: Osamu Seto (Hokkaido) "The type-II seesaw mechanism in alternative gauged U(1)X and dark sector"

   15:00 - 16:00: Maria Mylova (Ewha) "Parity violating graviton non-Gaussianity in alpha-vacuum"

          16:00 - 17:00: Photo session / Tea break and Discussion

       Afternoon session 2 (Chair: Osamu Seto)

   17:00 - 18:00: Fumiya Sano (Tokyo Tech) "Fermionic Signals in Primordial Non-Gaussianities"          


Morning session (Chair: Masahide Yamaguchi)

  10:30 - 11:30: Shuichiro Yokoyama (Nagoya) "GWB anisotropies "

 Lunch and Discussion:  11:30 - 14:00

       Afternoon session 1 (Chair: Kwang Sik Jeong)

          14:00 - 15:00: Michiru Niibo (Ochanomizu U. / Tokyo Tech) "Future Constraints on Neutrino Lines from Dark Matter"

   15:00 - 16:00: Sang Hui Im (IBS) "Probing microscopic origins of axions by the chiral magnetic effect"  

 Tea break and Discussion: 16:00 - 17:00

       Afternoon session 2 (Chair: Jong-Chul Park)             

   17:00 - 18:00: Shin'ichi Hirano (Tokyo Tech) "Scalar Gauss-Bonnet and dynamical Chern-Simons black holes in EFT extension of GR"

                       

Morning session (Chair: Ki-Young Choi)

  10:30 - 11:30: Chulmoon Yoo (Nagoya) "Spacetime structure of type II PBH formation"

   Lunch and Discussion:  11:30 - 14:00

       Afternoon session 1 (Chair: Shuichiro Yokoyama)

          14:00 - 15:00: Suro Kim (KIAS) "Perturbative unitarity in inflation model with multiple massive fields"

   15:00 - 16:00: Tae Hyun Jung (IBS) "PBH formation in first-order phase transition"   

 Tea break and Discussion: 16:00 - 17:00

       Afternoon session 2 (Chair: Tomo Takahashi)

   17:00 - 18:00: Perseas Christodoulidis (Ewha) "Multi-field inflation: rapid turns and primordial black holes" (online)


Morning session (Chair: Chang Sub Shin)

   10:30 - 11:30: Tomo Takahashi (Saga) "Tensions in cosmology: implications for new physics"

Closing remarks, Lunch and Discussion:  11:30 - 16:00 

Practical details 

Here's how to get to the entrance of the Education Building B, assuming that you are coming from the subway line-2 station "Edae-yeok", which means "Ewha Womans University Station". [Not shown here -- it's located below (4)]