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Wilczek responds on absolute units

JUN 01, 2006
Frank Wilczek

In my essay “On Absolute Units, II: Challenges and Responses” (Physics Today, January 2006, page 10 ), in the first column, the ratio between the fundamental mass scales in strong and Planck units should read M strong / M Planck m p G 2 / c .

In the second column, the ratio between the fundamental mass scales in atomic and Planck units should read M atomic / M Planck m e G 2 / c .

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Frank Wilczek, Massachusetts Institute of Technology, Cambridge, US .

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This Content Appeared In
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Volume 59, Number 6

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