The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (mπ = 140 MeV/c²). Estimate the longest time a virtual π⁰ can exist, in accordance with the uncertainty principle . (1 eV = 1.6 × 10−¹⁹ J.) A) 2.4 × 10−²⁴ s B) 6.9 × 10−²⁷ s C) 3.3 × 10−¹⁸ s D) 2.4 × 10−²¹ s E) 1.6 × 10−¹⁹ s

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The Answer of The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (mπ = 140 MeV/c²). Estimate the longest time a virtual π⁰ can exist, in accordance with the uncertainty principle . (1 eV = 1.6 × 10−¹⁹ J.) A) 2.4 × 10−²⁴ s B) 6.9 × 10−²⁷ s C) 3.3 × 10−¹⁸ s D) 2.4 × 10−²¹ s E) 1.6 × 10−¹⁹ s

The Attractive Force Between Protons and Neutrons in the Nucleus