Show that the combination of constants g 2 strong / (4?? 0 ?c), where g strong is

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Show that the combination of constants g2strong/ (4??0?c), where gstrong is defined in eq. (14.5)

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is dimensionless. It is taken as a dimensionless measure of the strength of an interaction. Compute this quantity for electromagnetism (g ? e), where it is known as the fine structure constant and denoted by ?.

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The Physics of Energy

ISBN: 978-1107016651

1st edition

Authors: Robert L. Jaffe, Washington Taylor

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