delta particle

noun Physics.
  1. any of a family of baryon resonances having strangeness 0, isotopic spin 3/2, and either a single or double positive electric charge, a single negative charge, or no charge. Symbol: Δ
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British Dictionary definitions for delta particle

delta particle

noun
  1. physics a very short-lived hyperon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012