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Glite Dictionary
baryon number

baryon number

9.9
The difference in number between matter particles and antimatter particles that stays the same when particles react
  • noun
  • /ˈbɛrɪɒn ˈnʌmbər/
  • Specialized
translation icon : número de bariones
  • In a particle collision, the total baryon number must remain constant throughout the interaction.

Examples

  • The principle of baryon number conservation helps physicists predict the outcomes of various particle reactions.

  • Scientists study the baryon number to understand the fundamental properties of matter.

  • OK, let's suppose for the moment that baryon number is like electric charge.

  • The violation of baryon number is the question mark.

Surface Forms

baryon number singular
baryon numbers plural

Morphology

baryon + number

The compound combines 'baryon' (a type of subatomic particle) with 'number' (a counting/measure concept), so a learner who knows both words would likely infer it refers to a numeric property or count related to baryons. However, the precise technical sense — specifically the difference between baryons and antibaryons and its status as a conserved quantity in particle interactions — is specialized and not fully predictable from the constituents, so the term is only partially transparent.

Etymology

The term baryon number comes from baryon, from an old Greek word for 'heavy', and number, which just means a count. It counts heavy particles like protons and neutrons minus their 'opposite particles', and this count usually 'does not change' in particle reactions, so the name reminds you it measures a count that stays the same.