GNU-IBS Workshop on Particle Physics and Cosmology

25 Sept 2025, 09:30 → 27 Sept 2025, 17:00 Asia/Seoul

124 (College of Education (Bldg 301), Multipurpose Hall (1st Floor), Gyeongsang National University (Gajwa Cam))

GNU–IBS Workshop on  
Particle Physics and Cosmology

25–27 September 2025 · Gyeongsang National University, Jinju, Korea

 

Overview

 The GNU–IBS Workshop on Particle Physics and Cosmology will take place in late September 2025 at Gyeongsang National University in Jinju, a city rich in history, culture, and scenic beauty - nestled by the Nam River, dotted with ancient fortresses, and surrounded by rolling hills. Jointly organized by the GNU-RINS and the IBS Center for Theoretical Physics of the Universe (PTC), the workshop brings together researchers across high-energy particle physics and cosmology to share recent results and build collaboration in an environment where science meets the beauty of nature and history.

 

Program

The finalized program is now available: [Timetable]   
 

Registration

Please complete your registration via the [Registration]. 
The registration deadline is 23 September, 6:00 PM (KST).  
 

Locations and Accommodation 

• Map information [HERE] 
• Accommodation (+Breakfast) for all participants is provided and has been reserved at Hotel Dong Bang.
   

Social Activities

On the 2nd day, we will enjoy an afternoon excursion that combines light hiking, cultural exploration, and a banquet dinner in Jinju:

View the Route on Maps

• Google Maps  |  Google Earth

1. Hiking [Seonhak Observation Deck]   
   When the weather is fine, participants can take part in a short hiking trip from the 'Modeok Sports Park' to the 'Seonhak Observation Deck', a 1.5 km route with an elevation gain of about 150 m. The hike takes approximately 1.5 hours and is accessible to all participants, offering a pleasant balance of light physical activity, conversation, and panoramic views of Jinju and Namgang (river).  
    
2. Visit to Jinjuseong Fortress    
   After the hike, we will move directly to Jinjuseong Fortress, including the historic Chokseongnu Pavilion. This visit provides a cultural complement to the scientific program, connecting the group with Jinju’s rich heritage while enjoying the riverside setting at sunset.   
    
3. Banquet   
   The excursion will conclude with a banquet dinner, where participants can continue discussions in a relaxed atmosphere.  
    
4. What-to-Prepare
   Umbrella (weather forecast), comfortable clothing, walking shoes, hat, light jacket, water/snacks, small backpack, camera / battery, ...
    

 

Organizers

• Kiwoon Choi
• Kang Young Lee       

Contacts

Logistics/support:  Jeonghyun Kim (IBS CTPU-PTC Admin) | Won Sang Cho (IBS CTPU-PTC) | Sung Hyun Kim (GNU) | Jong-Yoon Sohn (GNU)     
Local host: Kang Young Lee (GNU)

Poster  

Related Sites

• The Research Institute of Natural Science of GNU  |  Gyeongsang National University (GNU)
• IBS Center for Theretical Physics of the Universe (Particle Theory and Cosmology Group)  |  IBS
• 진주에나길  |  About Jinju

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Hosted by

Organized by

GNU–IBS Workshop poster_1.pdf

GNU–IBS Workshop poster_2.pdf

ibs_logo.jpg

IMG_1088.JPEG

jinjuseong_banner_triple_largecaption.png

Thursday, 25 September

14:00 → 17:10 Session 1

Convener: Prof. Kang Young Lee (GNU)

14:00 Opening

Speaker: Prof. Kiwoon Choi (IBS)

14:10 Physics of SHiP / SND@LHC

Speaker: Prof. Yeong Gyun Kim (Gwangju National University of Education)

Physics of SND@LHC_YGKim.pdf

14:55 Weakly model-independent determination of total expansion during inflation

Speaker: Prof. Jinn-Ouk Gong (Ewha Woman's University)

15:40 Coffee Break

15:50 Searches for Power-Law Warped Extra Dimensions

Speaker: Prof. Sang Hui Im (Center for Theoretical Physics of the Universe, Institute for Basic Science, Korea)

PowerED_GNU_SHIm.pdf

16:30 Toward Precision Antideuteron Spectra from Dark Matter: Percent-Level Uncertainty Control

The detection of cosmic antideuterons ($\overline{\rm D}$) at kinetic energies below a few GeV/n could provide a smoking gun signature for dark matter (DM). However, the theoretical uncertainties of coalescence models have represented so far one of the main limiting factors for precise predictions of the $\overline{\rm D}$ flux. In this talk, I will present a novel calculation of the $\overline{\rm D}$ source spectra, based on the Wigner formalism, for which the Argonne $v_{18}$ antideuteron wavefunction is implemented. The advantage of this approach is that this wave function does not have any free parameters related to the coalescence process. I show that the Argonne/Wigner model excellently reproduces the $\overline{\rm D}$ multiplicity measured by ALEPH at the $Z$-boson pole, which is usually adopted to tune the coalescence models based on different approaches. With this Monte Carlo approach, I show that the current theoretical uncertainty on the prediction of the $\overline{\rm D}$ source spectra to a few percent, for $\overline{\rm D}$ kinetic energies relevant to DM searches with GAPS and AMS, and for DM masses above a few tens of GeV. This result implies that the theoretical uncertainties due to the coalescence process are no longer the main limiting factor in the predictions.

Talk is based on:
https://arxiv.org/abs/2411.04815 (accepted for publication in PRL)
https://arxiv.org/abs/2312.01153
Discussion about QCD modeling is based on:
https://arxiv.org/abs/2303.11363
https://arxiv.org/abs/2202.11546
Dataset and code repo:
https://github.com/ajueid/CosmiXs.git

Speaker: Dr Adil Jueid (IBS-CTPU-PTC)

main_Adil Jueid.pdf

17:10 → 19:10 Reception

Friday, 26 September

09:20 → 12:30 Session 2

09:20 Testing Neutrino Mass Origins with Supernova Neutrinos

The origin of non-zero neutrino mass remains unknown. Currently, there are many possibilities for generating a neutrino mass. We divide them into two categories, the vacuum neutrino mass and the dark neutrino mass. Both the vacuum mass and the dark mass can fit the current oscillation data. For the vacuum mass, the value is only a constant. However, the dark mass is proportional to the DM number density and therefore varies on the galactic scale. This difference leads to different neutrino group velocities and the arrival time delay of core-collapse supernovae (SN) neutrinos. We find that this time delay can be used to distinguish the vacuum and dark neutrino masses.

Speaker: Dr Chiu-Fan Kong (IBS-CTPU-PTC)

KONG_IBS-GNU_Workshop.pdf

10:00 Neutrino experiments with Nuclear Emulsion

Speaker: Prof. Chun Sil Yoon (GNU)

GNU-IBS_yoon2.pdf

10:50 Coffee Break

11:10 Probing the 3+1 neutrino model in the SHiP experiment

Speaker: Mr Seong Moon Yoo (Sungkyunkwan Univsersity)

GNU_IBS_Workshop_SMY.pdf

11:50 A Review on Physics-Specific Foundation Models: from Particles to Cosmic Surveys

Foundation models - large, pretrained architectures adaptable across domains - are being explored in physics, from particle events to astrophysical data, though current evidence for their benefits and scope is mixed. This talk surveys emerging use cases, distinguishing what is empirically established from what remains speculative, with attention to embedding physical structure and constraints, and to open issues in uncertainty quantification, evaluation, and reproducibility. A particular focus is whether these models internalize world-model structure or rely primarily on task-specific heuristics and pattern matching.

Speaker: Dr Won Sang Cho (IBS-CTPU-PTC)

12:30 → 14:00 Lunch

14:00 → 17:40 Excursion: Jinju Ena-gil and/or Jinjuseong

17:40 → 20:00 Banquet

Saturday, 27 September

09:20 → 12:40 Session 3

09:20 Neutrino physics at forward experiments

Speaker: Prof. Yu Seon Jeong (Sungkyunkwan Univsersity)

GNU-IBS_Workshop_YSJ.pdf

10:05 Viability of Error Correction in Quantum Computer and Z(2) Lattice Gauge Theory

Speaker: Prof. Seyong Kim (Sejong University)

IBSGNU2025pdf.pdf

10:50 Coffee Break

11:10 Quantum Sensing Radiative Decays of Neutrinos and Dark Matter Particles

Speaker: Prof. Myeonghun Park (Seoul National University of Science and Technology)

11:55 Quantum advantage pursued by Hamiltonian simulation

Quantum advantage refers to a computational benefit that quantum processors can achieve, which is unattainable by their classical counterparts. While numerous quantum algorithms have been proposed to demonstrate such an advantage, whether it has truly been achieved remains a subject of ongoing debate. This talk will introduce a Hamiltonian simulation of (1+1)D abelian lattice gauge theory on quantum processors as an alternative yet promising approach toward the quantum advantage. In particular, focusing on two key examples—ground state preparation and excited state spectroscopy— this talk will highlight how challenging physical problems can be addressed through quantum algorithms implemented on quantum hardware.

Speaker: Dr Dongwook Ghim (IBS-CTPU-PTC)

2025.09.27.GNU-IBS_quantum_advantage.pptx