The '''Z particle''', also known as the Z boson, is one of two particles that transmit the [[weak force]], which is one of the four elementary physical forces. The Z particle is neutral in charge, and is roughly 90 times heavier than the [[proton]]. | The '''Z particle''', also known as the Z boson, is one of two particles that transmit the [[weak force]], which is one of the four elementary physical forces. The Z particle is neutral in charge, and is roughly 90 times heavier than the [[proton]]. |