Reggeon
/ˈrɛdʒeɪɒn/ /ˈrɛdʒɪɒn/Particle Physics
noun
A Regge pole or trajectory; a virtual particle exchanged in the type of scattering represented by these, characterized by a higher spin and greater mass than an otherwise similar conventional particle.
Origin
1960s; earliest use found in Physics Letters. From Regge + -on.