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  1. Taking approximations seriously: The cases of the Chew and Nambu-Jona-Lasinio models.Pablo Ruiz de Olano, James D. Fraser, Rocco Gaudenzi & Alexander S. Blum - 2022 - Studies in History and Philosophy of Science Part A 93 (C):82-95.
    In this article, we offer a detailed study of two important episodes in the early history of high-energy physics, namely the development of the Chew and the Nambu-Jona-Lasinio models. Our study reveals that both models resulted from the combination of an old Hamiltonian, which had been introduced by earlier researchers, and two new approximation methods developed by Chew and by Nambu and Jona-Lasinio. These new approximation methods, furthermore, were the key component behind the models’ success. We take this historical investigation (...)
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