Enlace original:
https://repositorio.uc.cl/handle/11534/13098
Carquín López, Edson Leonardo.
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Díaz, Marco A.
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[Measurement of the production cross-section of psi(2S) -> J/psi(-> mu(+)mu(-))pi(+) pi(-) in pp collisions at root s=7 TeV at ATLAS]
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Measurement of the production cross-section of psi(2S) -> J/psi(-> mu(+)mu(-))pi(+) pi(-) in pp collisions at root s=7 TeV at ATLAS