Latest News----Institute of Modern Physics

First Book on Gamow Shell Model Published

The first book on the Gamow shell model has lately been published by Springer. The book introduces the theory of the Gamow Shell Model in nuclear structure and reaction, providing important guidance for graduate students and experienced researchers. The first book on the Gamow shell model has lately been published by Springer. The book introduces the theory of the Gamow Shell Model in nuclear structure and reaction, providing important guidanc...

| 07 06, 2021

Physicists Extract Proton Mass Radius From Experimental Data

Researchers have recently extracted the proton mass radius from the experimental data. The proton mass radius is determined to be 0.67 ± 0.03 femtometers, which is obviously smaller than the charge radius of the proton. Researchers have recently extracted the proton mass radius from the experimental data.
　　A research group at Institute of Modern Physics (IMP), Chinese Academy of Sciences (CAS) presented an anal...

| 12 05, 2021

Study Sheds Light on Stellar Origin of ⁶⁰Fe

Researchers at IMP and their collaborators have recently made great progress in the studies of the stellar beta-decay rate of 59Fe, which constitutes an important step towards understanding the 60Fe nucleosynthesis in massive stars. The results were published in Physical Review Letters on April 12.Fig. 1. 60Fe nucleosynthesis in massive stars. (Image by LI Yutian)
　　Researchers from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences and their collaborators have recent...

| 19 04, 2021

Scientists Report Remarkable Enhancement of α-particle Clustering in Uranium Isotopes

It is always exciting to find new isotopes with extreme neutron/proton numbers in nuclear physics research. Researchers at IMP has observed a new uranium (U) isotope, and has revealed for the first time the abnormal enhancement of α-particle clustering in uranium isotopes. Fig. 1. The illustration of the enhanced α-particle preformation in 214,216U deduced by the strong proton-neutron interaction. (Image by ZHANG Zhiyuan)
　　It is always exciting to find new isotop...

| 15 04, 2021

Researchers Obtain New Results on Solar Wind Ion Charge Exchange

Charge exchange is one of the important mechanisms of soft X-ray emission in many celestial environments. Soft X-rays caused by charge exchange are important basic data for diagnosing plasma evolution and celestial plasma modeling. The researchers at IMP and their collaborators have recently obtained new results on the solar wind ion charge exchange. The researchers at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) and their collaborators have recently obtained new results on the solar wind ion charge exchange. T...

| 14 04, 2021

Researchers Propose New Method to Improve Power Supply Control for High Intensity Heavy-ion Accelerator Facility

The project team of High Intensity Heavy-ion Accelerator Facility (HIAF) has recently achieved great results in research on power supply control with high power, high precision and fast cycle. The team has proposed a new analytical model with optimal control method and kinetic inductance fine-tuning method. The results were published in IEEE Transactions on Industrial Electronics. The project team of High Intensity Heavy-ion Accelerator Facility (HIAF) has recently achieved great results in research on power supply control with high power, high precision and fast cycle. The ...

| 14 04, 2021

Researchers Obtain New Analytical Solution to Quantum Chromodynamics Evolution Equation

A group led by Prof. CHEN Xurong at IMP has recently made new progress in the study of quantum chromodynamics (QCD) evolution equations and the gluon condensation. For the first time, researchers have successfully applied the "homogeneous balance method" to the QCD evolution equation and obtained an analytical solution of the Balitsky-Kovchegov (BK) evolution equation.A group led by Prof. CHEN Xurong at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) has recently made new progress in the study of quantum chromodynamics (QCD) evolut...

| 15 03, 2021

Researchers Report Convenient Approach of Preparing Sub-Nanoporous Polymer Membranes

In a recent study published in ACS Applied Materials & Interfaces, researchers at IMP reported a convenient approach to prepare sub-nanoporous polycarbonate membranes. The new approach of preparing sub-nanoporous membrane is simple and controllable, and the prepared membrane can exhibit excellent ionic sieving property.Ion-tracked membranes have been widely used in the fields of water treatment, medicine sieving, molecular detection and preparation of nanomaterials due to their features of uniformity of channel d...

| 11 03, 2021

Scientists Reveal Reaction Mechanism of ⁸B Nucleus

Scientists have lately made new progress in the study of the reaction mechanism of the proton drip-line nucleus 8B. The study will help understand the effect of exotic structures such as the proton halo on the reaction characteristics.Scientists from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) and their collaborators have lately made new progress in the study of the reaction mechanism of the pr...

| 09 02, 2021

Studies Reveal Irradiation Effect of MAX Phase

The behavior of materials in extreme environment is one of the problems which restricts the application and development of nuclear energy. Researchers from IMP have made important progress in a series of systematic studies on 312-MAX phase materials, including the irradiation performance evaluation, the mechanism of irradiation resistance, irradiation-induced phase transformation and its evolut...Fig. 1 Schematic diagram of Ti3AlC2 series of phase transformations induced by irradiation, each of phase components, and their structures from TEM images. (Image by SUN Jianrong)
　　The behavior ...