Planck mass

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Planck mass

[′pläŋk ‚mas]
(physics)
The mass √(hc /2π G), where h is Planck's constant, c is the speed of light, and G is the gravitational constant; equivalently, the mass of a particle whose reduced Compton wavelength equals the Planck length; it is equal to 21.764 micrograms or 1.2209 × 1019GeV/ c 2.
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References in periodicals archive ?
The unique property of the Plank mass is that its Schwarzschild radius and wavelength are equal; it is then pivotal and using (4.