CMS experiment observes new Xi_b beauty particle
Friday, April 27, 2012 - 05:00
in Physics & Chemistry
The CMS experiment has submitted a paper for publication describing the first observation of a new, excited beauty baryon known as the Ξ*b0, with a statistical significance of more than 5 standard deviations (5σ) above the expected background. The mass is measured to be 5945.0 ± 2.8 MeV.