New Measurement of Stellar Neutron Source Reaction Resolves Long-standing Discrepancies
The Jinping Underground Nuclear Astrophysics (JUNA) collaboration has reported a recent direct measurement of the cross section of a crucial stellar neutron source reaction. The study was published in Physical Review Letters on September 23.
Figure 1. Artistic representation of the underground measurement of the 13C(α,n)16O stellar neutron source reaction. (Image by IMP)
The Jinping Underground Nuclear Astrophysics (JUNA) col...
New Study Probes X-ray Bursts from Low-mass X-ray Binaries
An international research team has performed a new measurement of an important astrophysical reaction, providing essential experimental data for understanding the light curve of X-ray bursts and the astrophysical environment in low-mass X-ray binaries.
An international research team has performed a new measurement of an important astrophysical reaction, 22Mg(α, p)25Al, providing essential experimental data for understanding the light curve ...
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 i...
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 r...
Scientists Discover Spin Polarization Induced by Shear Flow
Chinese researchers recently discovered a new effect that can generate spin-polarization in fluid. The new effect, which is called "shear-induced polarization (SIP)", predicts that shear flow can induce polarization in the momentum space.
Figure 1. left: the polarization induced by the vortical flow; right: the polarization induced by the shear flow. Red and yellow arrows represent the spin and momentum directions respectively....