A proton and antiproton each with total energy 300 GeV collide head-on.What is the total energy (particles + energy)released?
A)600 GeV
B)300 GeV
C)zero
D)450 GeV
E)150 GeV

Question

A proton and antiproton each with total energy 300 GeV collide head-on.What is the total energy (particles + energy)released?
A)600 GeV
B)300 GeV
C)zero
D)450 GeV
E)​150 GeV

Quizplus · Accepted Answer

When a proton and an antiproton collide, their mass energy (according to E=mc^2) plus their kinetic energy is converted into other forms of energy. Since each has a total energy of 300 GeV, the total energy released is 600 GeV.

A Proton and Antiproton Each with Total Energy 300 GeV