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The Compton wavelength is a quantum mechanical property of a particle. It was introduced by Arthur Compton in his explanation of the scattering of photons by electrons (a process known as Compton scattering). The Compton wavelength of a particle is equivalent to the wavelength of a photon whose energy is the same as the rest-mass energy of the particle. The standard Compton wavelength, ''λ'', of a particle is given by : where ''h'' is the Planck constant, ''m'' is the particle's rest mass, and ''c'' is the speed of light. The significance of this formula is shown in the derivation of the Compton shift formula. The CODATA 2010 value for the Compton wavelength of the electron is .〔CODATA 2010 value for (Compton wavelength ) for the electron from NIST〕 Other particles have different Compton wavelengths. == Reduced Compton wavelength== When the Compton wavelength is divided by , one obtains a smaller or “reduced” Compton wavelength : : 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Compton wavelength」の詳細全文を読む スポンサード リンク
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