---

• n  any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1

• To put it in the language of physics, there was conservation of baryon number.

• heavy particle

News & Articles

---

• New findings on makeup of universe may spawn research
  New areas of extragalactic study may emerge from research by astrophysicists using data from the Chandra Space Telescope to conclude that baryons making up all visible matter – once thought to be missing from clusters – are present in the expected ratios in large, luminous clusters.
  July 16, 2013 - Science Daily

Quotes

---

• Carlos Frenk in ScienceBlog.com (blog)
  If we can measure the baryon wiggles sufficiently well, says Prof Frenk, "then they will provide us with a standard measuring rod to characterise the geometry and expansion history of the universe and so to learn about the nature of the...