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Antiprotons can be produced when a proton with sufficient energy hits a stationary proton. Even if there is enough energy, which of the following reactions will not happen?
p + p $\rightarrow$ p + $\bar{p}$
p + p $\rightarrow$ p + p + $\bar{p}$
p + p $\rightarrow$ p + p + p + $\bar{p}$
p + p $\rightarrow$ p + $\textrm{e}^+$ + $\textrm{e}^+$ + $\bar{p}$

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

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Giancoli 7th Edition, Chapter 32, Problem 23


Chapter 32, Problem 23 is solved.

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