The Z boson is one of three elementary particles that mediate weak interactions. What is the maximum distance (the range of the weak interaction) this particle can travel given that its mass is 91.2 GeV/c2? (Enter your answer in units of m.)
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One of the mediators of the weak interaction is the $\mathrm{Z}^{0}$ boson, which has a mass of $91 \mathrm{GeV} / c^{2} .$ Use this information to find an approximate value for the range of the weak interaction.
An alpha particle (four times the mass of a proton with a charge of +2e) is moving at 3.0 x 105 m/s [E] very far away from a proton. The proton is moving directly towards the alpha particle at a velocity of 1.0 x 105 m/s [W]. Find the minimum possible distance between the two particles.
Timothy J.
The "carriets" of the weak intertiction are the $W^{\pm}$, whose mass is $82 \mathrm{GeV} / \mathrm{c}^{2}$, and the $Z^{0}$, whose mass is $93 \mathrm{GeV} / \mathrm{c}^{2}$. Use the method of Sec. $11.7$ to find an approximate figure for the range of the weak interaction.
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