Explore: Baryon Number

In particle physics, the baryon number (B) is an additive quantum number of a system. It is defined as B = 1 3 ( n q − n q ¯ ) , {\displaystyle B={\frac

In particle physics, a baryon is a type of composite subatomic particle that contains an odd number of valence quarks, conventionally three. Protons and

antimatter? More unsolved problems in physics In physical cosmology, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter–antimatter

According to the Standard Model, the proton, a type of baryon, is stable because baryon number (quark number) is conserved (under normal circumstances; see Chiral

Omega baryons (often called simply omega particles) are a family of subatomic hadrons which are represented by the symbol Ω and are either charge neutral

of baryons is: S = n U {\displaystyle \mathbf {S} =n\mathbf {U} } where n is the number density of baryons in the local rest frame of the baryon fluid

isospin (T3) baryon number (B) lepton number (L) In some theories, such as the Grand Unified Theory, the individual baryon and lepton number conservation

number minus lepton number is also always conserved.      n → p + e− + ν e Hence neutron decay conserves baryon number B and lepton number L separately, so

quark–antiquark pair (thus have a baryon number of 0), while baryons are made of three quarks (thus have a baryon number of 1). This article discusses the

may be insufficient to explain the total baryon number of the observed universe if the initial baryon number of the universe at the time of the Big Bang