A research team from the Innovation Academy for Precision Measurement Science and Technology (APM) of the Chinese Academy of ...

Measuring up: an electron scattering experiment yields a small proton radius. (Courtesy: Jefferson Lab) For nearly a decade the size of the particle that makes up the bulk of the universe’s visible ...

The constant — the ratio of the mass of a proton to the mass of an electron — has changed by only one hundred thousandth of a percent or less over the past 7 billion years, the observations show. The ...

Deep in the heart of the matter, some numbers don't add up. For example, while protons and neutrons are made of quarks, ...

Proton-coupled electron transfer (PCET) reactions play a vital role in a wide range of chemical and biological processes. Recent advances in the theory of PCET will be presented. The quantum ...

Chemists reveal method for differentiating PCET mechanisms – a key step for steering fundamental energy conversion and redox catalysis processes. Redox reactions form the basis of many fundamental ...

image: Enzyme-Photo-coupled Catalytic System (EPCS) is an emerging platform technology for green biomanufacturing that uses photocatalysts to capture solar energy and subsequently drives the enzyme ...

The proton can contain pairs of elementary particles known as strange quarks. The contribution of these particles to the proton's electric-charge distribution and magnetic moment has been determined.