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Källén’s constant $M$
In his Handbook Article [1] G. Källén states the asymptotic condition in quantum electrodynamics where the arrow stands for the “weak” asymptotic limit a la LSZ and M is a finite computable constant expressible in terms of the Källén-Lehmann weight function Π(a) for the photon two point function. A...
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| Lenguaje: | eng |
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2014
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| Acceso en línea: | https://dx.doi.org/10.1007/978-3-319-00627-7_20 http://cds.cern.ch/record/1669527 |