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Experiments Performed At COSY Accelerator Confirm Exotic Particle
2014-06-09 03:31:37

Forschungszentrum Jülich For decades, physicists have searched in vain for exotic bound states comprising more than three quarks. Experiments performed at Jülich’s accelerator COSY have now shown that, in fact, such complex particles do exist in nature. This discovery by the WASA-at-COSY collaboration has been published in the journal Physical Review Letters. The measurements confirm results from 2011, when the more than 120 scientists from eight countries discovered for the first...

d3fde4a3ce5cb60d2f7afafe1e2d04311
2009-03-19 08:59:01

Scientists of the CDF experiment at the Department of Energy's Fermi National Accelerator Laboratory announced March 17 that they have found evidence of an unexpected particle whose curious characteristics may reveal new ways that quarks can combine to form matter. The CDF physicists have called the particle Y(4140), reflecting its measured mass of 4140 Mega-electron volts. Physicists did not predict its existence because Y(4140) appears to flout nature's known rules for fitting quarks and...

2005-07-06 17:35:34

Its name is Y(4260) and it is not a new humanoid of Stars Wars, but a particle identified for the first time by BaBar experiment: an international collaboration - formed by the large participation of the Italian physicists of the National Institute for Nuclear Physics (Infn) - that has its seat in Stanford (California). Y(4260) represents an interesting element with respect of particles' field and it will provide very useful signs about character of the strong force, that is the force that...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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