The Rest-Energy of the Z⁰ Boson Is 96 GeV $\Delta E \Delta t = \hbar / 2$

question 1

Multiple Choice

The rest-energy of the Z⁰ boson is 96 GeV.Using this information,find the maximum length of time a virtual Z⁰ can exist,in accordance with the uncertainty principle $\Delta E \Delta t = \hbar / 2$ .(1 eV = 1.6 *10^-19 J. )

• A)3.4 *10^-27 s
• B)7.5 *10^-30 s
• C)2.4 *10^-24 s
• D)1.9 *10^-21 s
• E)6.3 * 10^-5 s

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