Press Release
2020-03-19
Merger between two stars led to iconic supernova -- Simulations suggest that two stars came together to form a blue supergiant, which subsequently exploded
A supernova in a nearby galaxy may have originated from an explosion of a blue supergiant formed by the merger of two stars, simulations by RIKEN astrophysicists suggest1. The asymmetric nature of thi...more
2020-03-05
New Hypernucleus "Xi-Tetrabaryon" -- Unravelling the behavior of Xi-particle by high-precision computations
理化学研究所（理研）仁科加速器科学研究センターストレンジネス核物理研究室の肥山詠美子室長（九州大学大学院理学研究院教授）、量子ハドロン物理学研究室の土井琢身専任研究員、理研数理創造プログラムの初田哲男プログラムディレクター、京都大学基礎物理学研究所の佐々木健志特任助教らの国際共同研究グループは、グザイ粒子1個と核子3個からなる新たなハイパー原子核（ハイパー核）「グザイ・テトラバリオン」の存在を理論...more
2020-02-19
Modeling the insides of a neutron star -- Improvements to a model for the inside of a neutron star make it applicable to neutron star mergers
RIKEN astrophysicists have developed an improved model for the interior structure of neutron stars that agrees well with observations. Unlike previous models, it can be extended to consider what happe...more
2019-09-04
Genomic analysis of 370 Japanese Thoroughbred horses: the genetic background of why Thoroughbreds can run fast
Humans have been trying to improve Thoroughbreds by selectively breeding horses that can run fast. Each generation, a small number of males are selected to breed so that only these “elite” males can p...more
2019-08-02
Is your Supercomputer Stumped? There May Be a Quantum Solution
The recent paper by Jason Chang* (iTHEMS/UCB/LBNL), Shigetoshi Sota* (R-CCS) and their collaborators in US, "Quantum annealing for systems of polynomial equations" (Nature Scientific Reports, 9 (2019)...more
2019-04-11
Observation of Quantized Heating Rate in Ultracold Topological Matter
An international collaboration of researchers from University of Hamburg, Université libre de Bruxelles, and RIKEN iTHEMS observed quantized heating rate, demonstrating a novel universal probe for top...more
2019-04-03
Researchers pinpoint origin of photons in mysterious gamma-ray bursts
Scientists from the RIKEN Cluster for Pioneering Research and collaborators have used simulations to show that the photons emitted by long gamma-ray bursts—one of the most energetic events to take pla...more
2019-02-21
Non-sinusoidal Waveform in Temperature-Compensated Circadian Oscillations
Shingo Gibo (Postdoctoral Researcher, iTHEMS) and Gen Kurosawa (Senior Research Scientist, iTHEMS) have published a press release.
2018-12-18
Mystery of coronae around supermassive black holes deepens
Researchers from RIKEN and JAXA have used observations from the ALMA radio observatory located in northern Chile and managed by an international consortium including the National Astronomical Observat...more
2018-10-16
The First Telescope of a New Observatory for High-Energy Gamma-Ray Astronomy Makes its Debut
Several iTHEMS members are actively involved in a brand-new, cutting edge astronomical project, called the Cherenkov Telescope Array (CTA). CTA will be the foremost global observatory for very high-en...more
2018-09-11
An unstable isotope Technetium-98 (98Tc) could be synthesized by neutrinos emitted from supernova explosions
A joint research group consisting of Masaomi Ono, a Research Scientist at RIKEN, and others has theoretically predicted that an unstable isotope Technetium-98 (98Tc) could be synthesized by neutrinos ...more
2018-07-26
Diffuse x-ray emission from the northern arc of loop I observed with suzaku
The research team, including Yoshiyuki Inoue (Senior Research Scientist, iTHEMS), have published a press release.
2018-07-20
Spatial Distribution of the Milky Way Hot Gaseous Halo Constrained by Suzaku X-Ray Observations
The research team, including Yoshiyuki Inoue (Senior Research Scientist, iTHEMS), have published a press release.
2018-06-22
Modeling the functions of condensin in chromosome shaping and segregation
Former iTHES fellow, Yuji Sakai (Univ. Tokyo) together with Atsushi Mochizuki (iTHEMS), Masashi Tachikawa (iTHEMS), Tetsuya Hirano (RIKEN) and Kazuhisa Kinoshita (RIKEN) have published a paper and a ...more
2018-06-05
Neutron Life from Supercomputer Simulations
Jason Chang (iTHEMS/LBNL) and his colleagues have enlisted powerful supercomputers to calculate a quantity known as the "nucleon axial coupling," – which is central to our understanding of a neutron’...more
2018-05-24
Using the K computer, scientists predict exotic “di-Omega” particle
Based on complex simulations of quantum chromodynamics performed using the K computer, one of the most powerful computers in the world, the HAL QCD Collaboration, made up of scientists from the RIKEN ...more