Name: The 18th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG18)
Start: 2026-10-20T09:00:00+09:00
End: 2026-10-23T17:30:00+09:00
Location: RIKEN

The 18th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG18)

from Tuesday, October 20, 2026 (9:00 AM) to Friday, October 23, 2026 (5:30 PM)

Monday, October 19, 2026
Tuesday, October 20, 2026

9:00 AM Registration
Registration
9:00 AM - 9:50 AM
Room: Headquarters Building 2F
9:50 AM Scientific Session: Session 1
Session 1
9:50 AM - 11:20 AM
Room: Headquarters Building 2F
Contributions

9:50 AM Opening - Shunji NISHIMURA (RIKEN)

10:00 AM Nuclear Physics of Accreting Neutron Stars - Hendrik Schatz (Michigan State University)

10:25 AM Astrophysical searches for X-ray/gamma-rays from r-process nuclei of Galactic Neutron-Star Merger Remnants in Globular Clusters - Yukikatsu Terada (Saitama Univ. / JAXA)

10:45 AM Constraining the Astrophysical Role of the 14O(α,p)17F Reaction in Type I X-ray Bursts - Chaeyeon Park (IRIS/IBS)

11:05 AM New clocked burster Cir X-1 as a probe of explosive hydrogen burning - Nonoka Ishii (Department of physics, Kyoto University)
11:20 AM Coffee Break
Coffee Break
11:20 AM - 11:45 AM
Room: Headquarters Building 2F
11:45 AM Scientific Session: Session 2
Session 2
11:45 AM - 12:40 PM
Room: Headquarters Building 2F
Contributions

11:45 AM Fine structure and hindrance in the 12C+12C fusion - Kouichi Hagino (Department of Physics, Kyoto University)

12:10 PM From Heavy Elements to Actinides: Constraining the Role of the i-Process at Low Metallicities - Muhammed Riyas A (University of Calicut, Kerala, India)

12:25 PM Probing the N=126 Region: Decay Properties of Relevance to the r-Process - Tik Tsun Yeung (The University of Tokyo)
12:40 PM Lunch and Coffee
Lunch and Coffee
12:40 PM - 2:00 PM
Room: Hirosawa Club 2F
2:00 PM Scientific Session: Session 3
Session 3
2:00 PM - 3:50 PM
Room: Headquarters Building 2F
Contributions

2:00 PM COLLECTIVE NEUTRINO OSCILLATIONS IN NUCLEAR ASTROPHYSICS - Baha Balantekin (University of Wisconsin, Madison)

2:25 PM A new Big Bang Nucleosynthesis measurement of the D+D reactions at CRYRING@FAIR - Jordan Marsh (The University of Edinburgh)

2:50 PM Big Bang Nucleosynthesis, Cosmic Entropy, Gravity, and the Cosmological Lithium Problem - Grant Mathews (University of Notre Dame)

3:10 PM Ending the second cosmological Li problem - Ella Wang (Stockholm University)

3:30 PM The $^7$Be($n,p_1$)$^7$Li$^*$ reaction relevant to the cosmological lithium problem studied with the $^9$Be($^3$He,$\alpha$)$^8$Be($p$)$^7$Li and $^7$Li($^3$He,$d$)$^8$Be($p$)$^7$Li reactions - Naohito IWASA (Department of Physics, Tohoku University)
3:50 PM Coffee Break
Coffee Break
3:50 PM - 4:20 PM
Room: Headquarters Building 2F
4:20 PM Scientific Session: Sessin 4
Sessin 4
4:20 PM - 6:10 PM
Room: Headquarters Building 2F
Contributions

4:20 PM Direct detection of interstellar radionuclides – messengers of heavy element nucleosynthesis and recent nearby cosmic explosions - Anton Wallner (FWIR-HZDR)

4:45 PM Direct Reaction and Resonance Studies for Nuclear Astrophysics at CENS - Sunghoon (Tony) Ahn (Institute for Basic Science)

5:10 PM First mass measurements of short-lived nuclei at HIAF-SRing - Chaoyi FU (Institute of Modern Physics, Chinese Academy of Sciences)

5:30 PM Nuclear spectroscopy at KISS/KISS-1.5 to explore the origin of heavy elements synthesized by r-process - Yoshikazu HIRAYAMA (IPNS, KEK)

5:50 PM Direct mass measurements for nuclear astrophysics and prospects toward the $N = 126$ r-process region - Shun Iimura
Wednesday, October 21, 2026

9:00 AM Morning Coffee
Morning Coffee
9:00 AM - 9:30 AM
Room: Headquarters Building 2F
9:30 AM Scientific Session: Session 5
Session 5
9:30 AM - 11:15 AM
Room: Headquarters Building 2F
Contributions

9:30 AM Modeling and nucleosynthesis of novae and X-ray bursts - Jordi Jose (UPC Barcelona)

9:55 AM The 2025 evaluation of experimental thermonuclear reaction rates (ETR25) - Christian Iliadis

10:20 AM New s-process nucleosynthesis predictions for low-mass AGB stars and implications for meteoric data - Balázs Szányi (Konkoly Observatory)

10:40 AM Indirect measurements with stable beams to improve reaction rate calculations for explosive nucleosynthesis - Johann Wiggert Brummer (iThemba LABS)

11:00 AM The Impact of the New 59Fe Decay Rates on 60Fe and 26Al Nucleosynthesis in Massive Stars - Bingyang Tan (National Astronomical Observatories, Chinese Academy of Sciences)
11:15 AM Coffee Break
Coffee Break
11:15 AM - 11:40 AM
Room: Headquarters Building 2F
11:40 AM Scientific Session: Session 6
Session 6
11:40 AM - 12:40 PM
Room: Headquarters Building 2F
Contributions

11:40 AM Extra-galactic archaeology - elemental abundances of high-z galaxies - Chiaki Kobayashi (University of Hertfordshire)

12:05 PM Potassium abundances in extremely metal-poor stars as a probe of the final phases of massive star evolution - Miho Ishigaki (National Astronomical Observatory of Japan)

12:25 PM Unveiling the Origins of Newly Discovered Super Li-Rich Stars - Bakuh Danang Setyo Budi (SOKENDAI/NAOJ)
12:40 PM Lunch and Coffee
Lunch and Coffee
12:40 PM - 1:55 PM
Room: Hirosawa Club 2F
1:55 PM Scientific Session: Session 7
Session 7
1:55 PM - 3:45 PM
Room: Headquarters Building 2F
Contributions

1:55 PM Underground nuclear astrophysics JUNA experiments - Weiping Liu (China Institute of Atomic Energy)

2:20 PM Experimental Challenges in Underground Nuclear Astrophysics Laboratories: Status and Future Perspectives Toward the LUNANOVA Project - Alba Formicola (INFN Roma)

2:45 PM The 19F(p,g)20Ne measurement at LUNA - Denise Piatti (INFN, Division of Padova)

3:05 PM Indirect Measurement of the 16O(12C,α)24Mg Reaction at Stellar Energies - Aurora Tumino (Dipartimento di Ingegneria e Architettura, Universita degli Studi di Enna “Kore”, Italy & INFN–LNS, Laboratori Nazionali del Sud, Catania, Italy)

3:25 PM Neutron induced reactions for BBN: the ^3He +n case - rosario pizzone (infn lns)
3:45 PM Coffee Break
Coffee Break
3:45 PM - 4:15 PM
Room: Headquarters Building 2F
4:15 PM Scientific Session: Session 8
Session 8
4:15 PM - 5:40 PM
Room: Headquarters Building 2F
Contributions

4:15 PM Chemical and isotopic analysis of samples returned by the Hayabusa2 mission from the asteroid Ryugu - Tetsuya Yokoyama (Department of Earth and Planetary Sciences, Institute of Science Tokyo)

4:40 PM Meteoritic isotopic anomalies as precision tests of stellar nucleosynthesis - Nan Liu (Boston University)

5:05 PM The evidence of the supernova neutrino-process recorded in the oldest solids in the solar system - Takehito Hayakawa (National Institutes for Quantum Science and Technology)

5:25 PM Tracing Circumstellar Dust Formation and Evolution with Presolar Silicates in DOM 08006 - Hiroyuki Hashizume (Department of Earth and Planetary Science, The University of Tokyo)
6:00 PM Poster Session: Poster Session
Poster Session
6:00 PM - 9:00 PM
Room: Headquarters Building 2F
Contributions

6:00 PM Comparison of low-energy 12C+ 12C and 12C+ 13C fusion reaction through compound-nucleus spectra - Kosei Nagao (Kyoto University)

6:00 PM A Near-Infrared Spectroscopic Search for Multiple-Population Signatures in NGC 1978 - Jaehyun Kim (Chungnam National University)

6:00 PM When AI is wrong: Apply non-artificial intelligence. How to determine model errors and fission-barriers - Peter Moller (Lund University)

6:00 PM Gemini/GMOS Spectroscopy of Bright CEMP Candidates from LAMOST - Chang Mok Do (Chungnam National University)

6:00 PM Study of feasibility of the $^{84}$Kr(n,$\gamma$) $^{85}$Kr reaction measurement via the Asymptotic Normalization Coefficient method for for Astrophysical s-process - Rosario Gianluca Pizzone (Università di Catania & INFN-LNS)

6:00 PM Josephson-Induced HQV-SQV Binding at the $^1S_0$-$^3P_2$ Interface and Its Implications for the Vortex Network Model of Pulsar Glitches - Tatsuhiro Hattori (Institute of Science Tokyo)

6:00 PM Effects of the 2SC+$<dd>$ phase on the cooling of compact objects - Tsuneo NODA (Kurume Institute of Technology)

6:00 PM Galactic chemical Evolution with short lived radioactive isotopes - Benjamin Wehmeyer (University of Wrocław)

6:00 PM Effects of extra neutrino emissivities in kaon condensation on thermal evolution of neutron stars - Takumi Muto (Chiba Institute of Technology)

6:00 PM Chiral Microscopic Optical Potentials for νp Process Nucleosynthesis in the Ge Ga Region - Tong Zhang (Institute of Modern Physics, Chinese Academy of Sciences)

6:00 PM Stellar 191Ir(n, g) cross section: calculations and astrophysical s-process nucleosynthesis implications - Kawchar Patwary (Comilla University)

6:00 PM 7Be + n Destruction Channels and the Cosmological Lithium Problem - Sayan Samanta (Bose Institute, Kolkata, India)

6:00 PM Nuclear Masses and Isomers in X-ray Burst Nucleosynthesis - Yudong Luo

6:00 PM Weak rates of nuclear Urca pairs in $sd$- and $pf$-shell nuclei relevant to Urca processes in the neutron star ocean - Toshio Suzuki (Nihon University)

6:00 PM Constraints on New Physics Based on Supernova Explodability - Kanji Mori (Fukuoka University)

6:00 PM Data-driven exploration of the neutron ${}^3$P${}_2$ pairing gap using Cassiopeia A neutron star observational data - Kazuyuki Sekizawa (Institute of Science Tokyo)

6:00 PM Best Reaction Target To Determine Proton Distribution Radii of Atomic Nuclei - Jun-yao Xu (Beihang University)

6:00 PM Formation, evolution, and nucleosynthesis of the dwarf satellites of the Milky Way - Grant Mathews (University of Notre Dame)

6:00 PM Identifying Mono-Enriched Candidates among Extremely Metal-Poor Stars through Chemical Signatures - Ryo Ishikawa (Tohoku University)

6:00 PM A Na-rich Actinide-boost r-II Candidate: The Chemo-kinematic Origin of LAMOST J015857.38+382834.7 - Dayoung Byun (Chungnam National University)

6:00 PM Non-LTE Spectral Constraints on Nucleosynthesis Conditions in Neutron Star Mergers - Koya Chiba (Tohoku University)

6:00 PM Exploring the Origin of Elemental Abundances in Cassiopeia A - Ryota Hatami (SOKENDAI/NAOJ)

6:00 PM Impacts of recent nuclear reactions  on the rp-proccess in X-ray bursts - Nobuya Nishimura (Kogakuin University)

6:00 PM Study of Low-Lying Negative-Parity T=5 States in 48Ca with ANASEN and a Reaccelerated 47K Beam - Gyoungmo Gu (Sungkyunkwan University,Center for Exotic Nuclear Studies, Institute for Basic Science)

6:00 PM Effects of Multineutron States on Nuclear Composition in Supernova Matter - Tatsuya Matsuki (The University of Tokyo)

6:00 PM Characterizing the Chemical Enrichment Histories of the Milky Way’s Accreted Substructures Using Metal-Poor Stars - Young Sun Lee (Chungnam National University)

6:00 PM The challenging direct determination of the cross section of the 12C+12C reaction at LUNA - Riccardo Maria Gesuè (Gran Sasso Science Institute (GSSI), INFN LNGS)

6:00 PM Secondary i- and s-Processes Following the r-Process in Collapsar Jets - Zhenyu He (China Institutu of Atomic Energy)

6:00 PM Effects of $\Lambda NN$ and $\Lambda\Lambda N$ Three-Body Interactions on Hyperonic Neutron Star Equations of State - Taeho Lee (Institute of Science Tokyo)

6:00 PM Impact of Proximity Potential Models on the 12C+ 12C Fusion Reaction - AZNI ABDUL AZIZ (INTERNATIONAL ISLAMIC UNIVERSITY MALAYSIA)

6:00 PM A Hybrid Treatment of Baryon Degeneracy in Neutrino Transport for Core-Collapse Supernovae - Myung-Ki CHEOUN (Soongsil University)

6:00 PM $^{24}Mg(p,\gamma)^{25}Al$ at LUNA - David Rapagnani (University of Naples "Federico II")

6:00 PM Probing proton upscattering of the $^{12}$C Hoyle State with the AToM-X active-target TPC - Jung Woo Lee (Center for Exotic Nuclear Studies, Institutes for Basic Science)

6:00 PM Neutron Capture Rate Uncertainties and Their Impact on r-Process Nucleosynthesis - Yu An (TU Darmstadt, HFHF)

6:00 PM Ti isotopic analysis of presolar SiC using laser post-ionization SNMS - Kei Sato (The University of Osaka)

6:00 PM An Observational Discrepancy in the Fuel Budget of Superbursts - Amira Aoyama (Tokyo University of Science / RIKEN)

6:00 PM A Stellar Thermometer $^{176}$Lu/$^{176}$Hf of the Main $s$-Process in AGB Stars - Xinxu Wang (Beihang University) Yudong Luo

6:00 PM Toward a Comprehensive Understanding of Big Bang Nucleosynthesis - Azusa Inoue

6:00 PM An Actinide-boost r-I Star as a Fossil Record of Early r-process Enrichment: Gemini/GHOST Abundance Analysis of LAMOST J122216.86−063345.26 - Miji Jeong (Korea Astronomy and Space science Institute (KASI))

6:00 PM Nucleosynthesis in Supernova Remnant Cassiopeia A: Probing Origins of Light Odd-Z Elements and Progenitor Stellar Processes - Kai Matsunaga (Kyoto University)

6:00 PM Validity test of 20Ne as a Trojan Horse nucleus toward the measurement of the 16O+16O fusion cross section - marco la cognata (infn-lns)

6:00 PM Galactic chemical Evolution of r-process elements - Benjamin Wehmeyer (University of Wrocław)

6:00 PM Nuclear $\gamma$-ray and Internal-conversion X-ray Emission from Neutron-rich Ejecta Associated with Magnetar Giant Flares - Shin-ichiro Fujimoto (Kumamoto national college of technology)

6:00 PM Fast Neutrino Flavor Conversion and Its Possible Impact on Core-Collapse Supernova Nucleosynthesis - Liu Jiabao (Waseda University)

6:00 PM Dynamics of core-collapse supernovae with quark-matter cores - Grant Mathews (University of Notre Dame)

6:00 PM Photoneutron cross sections for 45Sc: Insights into the origin of 45Sc - Xuan Pang (Beihang University)

6:00 PM Impact of experimental mass of $^{70}$Kr on the $^{68}$Se waiting-point in the $rp$-process - MIN ZHANG (Institute of Modern Physics, Chinese Academy of Sciences)

6:00 PM ASFIN collaboration studies of γ-induced reactions at the HIγS facility - Giuseppe Gabriele Rapisarda (DFA-UniCT & LNS-INFN)

6:00 PM Relativistic Quantum Description of Synchrotron Radiation from Ultra-High-Energy Protons in Strong Magnetic Fields - Tomoyuki Maruyama (College of Bioresource Sciences, Nihon University)

6:00 PM Exclusive Indirect Measurement at the ISAC-II Facility of the 22Ne(α,γ)26Mg Reaction for s-process Nucleosynthesis - Thomas Chillery (University of Naples)

6:00 PM Estimation of the slope parameter L using magnetar asteroseismology - Hajime SOTANI (Kochi University)

6:00 PM Direct measurement of astrophysically important (a,p) reactions using AToM-X active target TPC - Soomi Cha (Center for Exotic Nuclear Studies, Institute for Basic Science)

6:00 PM Understanding the actinide production through the Th/Eu abundance ratio - Ainun-Nahdhia Azhari

6:00 PM The Impact of Residual Heating on Type-I Bursts - Akira Dohi (RIKEN)

6:00 PM Effective Binary Star Yields for stable and Radioactive Nuclides in Galactic Chemical Evolution - Tejpreet Kaur (Indian Institute of Technology Kanpur, India)

6:00 PM Nucleosynthesis in Neutron Star Merger Accretion Disks: Hydrodynamical Heating and Observational Constraints - Pranav Nalamwar (University of Notre Dame)

6:00 PM Recoil-enabled neutrino heating in core-collapse supernovae - Tatsushi Shima (Research Center for Nuclear Physics, Osaka University)

6:00 PM Origin of the [Na/Mg] Scatter in Metal-poor Stars - Shota Wajima (Kyoto University)

6:00 PM Waiting for T CrB: A Once-in-a-Lifetime Opportunity to Catch Nova Neutrinos - Prantik Sarmah (Institute of High Energy Physics, Beijing)

6:00 PM Rotation-induced Relaxation of Supernova Constraints on Axionlike Particles - Tsurugi Takata (Fukuoka University)

6:00 PM Can a Varying Higgs VEV Solve the Cosmic Lithium Problem? - Hongrui Feng (Beihang University) Yudong Luo

6:00 PM Revealing α-Element's Past with Subaru/IRD: Oxygen Abundance of 35 Very Metal-Poor Stars from Near-IR OH lines - Bakuh Danang Setyo Budi (SOKENDAI/NAOJ)

6:00 PM Anomalous Bursting Regime in the Clocked Burster GS 1826−238 - Tomoshi Takeda (Kyoto University)

6:00 PM Mass measurements of neutron-rich lanthanide isotopes via MRTOF mass spectrograph - Yuki Yamanouchi (Kyushu University)

6:00 PM Theoretical study of momentum coverage and energy normalization in the $^{13}\mathrm{C}$ neutron-spectator THM approach to $^{12}\mathrm{C}+^{12}\mathrm{C}$ fusion - Zifeng Luo (Institute for Basic Science)
Thursday, October 22, 2026

9:00 AM Morning Coffee
Morning Coffee
9:00 AM - 9:30 AM
Room: Headquarters Building 2F
9:30 AM Scientific Session: Session 9
Session 9
9:30 AM - 10:50 AM
Room: Headquarters Building 2F
Contributions

9:30 AM Nuclear theory for neutron-star matter and pairing - Alex Gezerlis (University of Guelph)

9:55 AM Mass Measurement of New Neutron-Rich Americium Isotopes - Sota KIMURA (KEK)

10:15 AM Systematics of fission-fragment mass distributions and pre- and prompt-neutron emission in neutron-rich U isotopes - Nobuya Nishimura (Kogakuin University)

10:35 AM High-precision mass measurements for improving the r-process simulations - Miikka Winter (University of Jyväskylä)
10:50 AM Coffee Break
Coffee Break
10:50 AM - 11:15 AM
Room: Headquarters Building 2F
11:15 AM Scientific Session: Session 10
Session 10
11:15 AM - 12:00 PM
Room: Headquarters Building 2F
Contributions

11:15 AM Gamma-ray line observations for nuclear astrophysics - Roland Diehl (Max Planck Institut für extraterrestrische Physik, D-‐85741 Garching, Germany)

11:40 AM First measurement of the $^{102}$Pd$(p,\gamma)^{103}$Ag reaction cross section in the Gamow window below $E_p = 2.5$\,MeV for the $p$-process nucleosynthesis - Fulong Liu (CNS,University of Tokyo)
12:00 PM Excursion
Excursion
12:00 PM - 5:30 PM

5:30 PM Banquet
Banquet
5:30 PM - 9:00 PM
Friday, October 23, 2026

9:00 AM Morning Coffee
Morning Coffee
9:00 AM - 9:30 AM
Room: Headquarters Building 2F
9:30 AM Scientific Session: Session 11
Session 11
9:30 AM - 11:00 AM
Room: Headquarters Building 2F
Contributions

9:30 AM Helium enrichment and r-process heating in kilonovae - Oliver Just (GSI Darmstadt)

9:55 AM r-process with a first-principles neutron star merger model - Shinya Wanajo (YITP)

10:20 AM Nuclear equation of state at finite temperature compatible with low-energy experiments on Earth - Hitoshi Nakada (Chiba University)

10:40 AM Structure of nuclear matter below saturation density - Nikolai Shchechilin (Institute of Science Tokyo)
11:00 AM Coffee Break
Coffee Break
11:00 AM - 11:25 AM
Room: Headquarters Building 2F
11:25 AM Scientific Session: Session 12
Session 12
11:25 AM - 12:25 PM
Room: Headquarters Building 2F
Contributions

11:25 AM r-process-enhanced metal-poor stars studied with LAMOST and Subaru: elemental abundances and kinematics - Wako Aoki (National Astronomical Observatory of Japan)

11:45 AM Phosphorus enrichment on the young side of the Milky Way: age-resolved constraints on Galactic chemical evolution - Mingjie Jian (Institute of Astronomy, University of Cambridge)

12:05 PM Multidimensional Dynamics and Multimessenger Signatures of Magnetorotational Supernovae - Shota Shibagaki (Wrocław University of Science and Technology)
12:25 PM Lunch and Coffee
Lunch and Coffee
12:25 PM - 1:40 PM
Room: Hirosawa Club 2F
1:40 PM Scientific Session: Session 13
Session 13
1:40 PM - 3:10 PM
Room: Headquarters Building 2F
Contributions

1:40 PM Beta decay and electron capture calculations related to astrophysical applications - Ante Ravlic (Facility for Rare Isotope Beams, Michigan State University)

2:05 PM Experimental studies of β-decay properties of very neutron-rich nuclei relevant to the r process - Vi Phong (Radioactive Isotope Physics Laboratory, RIKEN Nishina Center)

2:30 PM Collisional-Radiative Lanthanide & Actinide Data for non-LTE Kilonova Spectral Modelling - Andreas Flörs (GSI Helmholtz Centre For Heavy Ion Research)

2:50 PM The r-Process: A Complete Survey and the Impact of Ab Initio Masses - Jan Kuske (TU Darmstadt)
3:10 PM Coffee Break
Coffee Break
3:10 PM - 3:35 PM
Room: Headquarters Building 2F
3:35 PM Scientific Session: Session 14
Session 14
3:35 PM - 4:40 PM
Room: Headquarters Building 2F
Contributions

3:35 PM Recent Observations of Pulsar Wind Nebulae and Supernova Remnants - Samar Safi-Harb (University of Manitoba)

4:00 PM The experimental study on the compound neutron-capture rate of 130Sn via (d,p) surrogate reaction - Sunghan Bae (IRIS, IBS)

4:20 PM Poster Award and Closing - Shunji NISHIMURA (RIKEN)

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