Meson

• First trace of differences between matter and 'ordinary' antimatter (17 Sep 2017)
  
• LHCb unveils new particles (10 Jul 2016)
  
• After a half century, the exotic pentaquark particle is found (31 May 2016)
  
• Syracuse physicists confirm existence of rare pentaquarks discovery (12 May 2016)
  
• LHCb claims discovery of two pentaquarks – Physics World (12 May 2016)