توشيهيده ماساكاوا Toshihide Maskawa

توشيهيده ماساكاوا Toshihide Maskawa

وتوشيهايد ماسكاوا باليابانية: 益川敏英، ولد عام 1940 عالم ياباني فيزيائي

حاصل على جائزة نوبل في الفيزياء2008، لاكتشافه أصل الكسر التلقائي للتناسق الذي يفترض وجود ثلاث مجموعات على الأقل من جزيئات أساسية مشحونة في الطبيعة.

A native of Aichi Prefecture, Maskawa graduated from Nagoya University in 1962 and received a Ph.D in particle physics from the same university in 1967. At Kyoto University in the early 1970s, he collaborated with Makoto Kobayashi on explaining broken symmetry (the CP violation) within the Standard Model of particle physics.maskawa and Kobayashi's theory required that there be at least three families of quarks, a prediction that was confirmed experimentally four years later by the discovery of the bottom quark.

Maskawa and Kobayashi's 1973 article, "CP Violation in the Renormalizable Theory of Weak Interaction" is the fourth most cited high energy physics paper of all time as of 2009.

The Cabibbo–Kobayashi–Maskawa matrix, which defines the mixing parameters between quarks was the result of this work. Kobayashi and Maskawa were jointly awarded half of the 2008 Nobel Prize in Physics for this work, with the other half going to Yoichiro Nambu. Maskawa was Director of the Yukawa Institute for Theoretical Physics from 1997 to 2003.He is now professor emeritus of Kyoto University and professor of Kyoto Sangyo University.

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