The U(1) and Strong CP Problem From the Loop Formulation Perspective

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We show how the gauge invariant formulation of QCD in terms of loops is free from a hidden $θ$ parameter and offers an alternative way to solve the $U(1)_A$ puzzle.
4 pages, revtex

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/55203

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9711174
 http://arxiv.org/abs/hep-th/9711174

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arXiv