Recent content by Jimtaff

When the heaviest elements such as element 118 (Oganesson) are created, the production is described as a a collision of an ion projectile (eg calcium-48) with a target atom (eg californium 249). Does this collision result in an atom of oganesson before the decay to 116 (Livermorium) or is it...

I understand that these exotic particles are termed X Y and Z, and that the Y(4140) was recently renamed X(4140) by the Particle Data Group . Can someone explain the difference between X Y and Z please?