ScienceAugust 16, 2026
isobar
EYE-suh-bahr
Definition
In nuclear physics, referring to atomic nuclei that have the same mass number but different atomic numbers, used in this article to describe specific types of nuclear collisions performed as a comparative test.
Etymology
Derived from the Greek words 'isos' (meaning equal) and 'baros' (meaning weight), the term was coined to describe entities that share the same weight or mass.
In the news
The article mentions 'isobar nuclear collisions' as a key method researchers used at the RHIC facility to analyze how baryon number behaves during high-energy impacts.
Proton collisions hint that gluons, not quarks, carry baryon number
Read the full article ↗Interesting Engineering